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jsonpArray.push.bind(jsonpArray);\n \tjsonpArray.push = webpackJsonpCallback;\n \tjsonpArray = jsonpArray.slice();\n \tfor(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);\n \tvar parentJsonpFunction = oldJsonpFunction;\n\n\n \t// run deferred modules from other chunks\n \tcheckDeferredModules();\n","import { request } from '@/utils/request';\n\n/**\n * @name 获取登陆企业信息\n * @api tuya.m.cl.combo.register\n * @version 1.0\n */\nexport const getRegisterInfo = () =>\n request({\n url: 'tuya.m.cl.combo.register',\n data: {}\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name 获取商户套餐详情\n * @api tuya.m.cl.combo.merchant.detail\n * @version 1.0\n */\nexport const getMerchantDetail = () =>\n request({\n url: 'tuya.m.cl.combo.merchant.detail',\n data: {}\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name 注册成功返回\n * @api tuya.m.cl.register.success\n * @version 1.0\n */\nexport const registerSuccess = () =>\n request({\n url: 'tuya.m.cl.register.success',\n data: {}\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name OEM商户登录显示审核或者已拒绝页面信息\n * @api tuya.m.cl.combo.register.getaudit\n * @version 1.0\n */\nexport const getAuditStatus = () =>\n request({\n url: 'tuya.m.cl.combo.register.getaudit',\n data: {}\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name 商户试用套餐\n * @api tuya.m.cl.combo.save\n * @version 1.0\n */\nexport const postUserCombo = (data) =>\n request({\n url: 'tuya.m.cl.combo.save',\n data\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name OEM商户登录拒绝页面-重新提交\n * @api tuya.m.cl.combo.register.submitaudit\n * @version 1.0\n */\nexport const submitAudit = () =>\n request({\n url: 'tuya.m.cl.combo.register.submitaudit'\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n\n/**\n * @name 查询套餐详细列表\n * @api tuya.m.cl.combo.list\n * @version 1.0\n */\nexport const getComboList = () =>\n request({\n url: 'tuya.m.cl.combo.list'\n }).then((rep) => {\n if (!rep.success) {\n return {};\n }\n return rep.result;\n });\n\n/**\n * @name 查询符合条件的项目列表\n * @api m.illume.merchant.vas.projects\n * @version 1.0\n */\nexport const getAddValueProjectList = (data) =>\n request({\n url: 'm.illume.merchant.vas.projects',\n data\n }).then((rep) => {\n if (!rep.success) {\n return [];\n }\n return rep.result;\n });\n\n/**\n * @name 增值应用详情列表\n * @api m.illume.merchant.vas.list\n * @version 1.0\n */\nexport const getVasList = (data) =>\n request({\n url: 'm.illume.merchant.vas.list',\n data\n }).then((rep) => {\n if (!rep.success) {\n return [];\n }\n return rep.result;\n });\n\n/**\n * @name 将选中的项目分配给指定增值应用\n * @api m.illume.merchant.vas.add\n * @version 1.0\n */\nexport const submitAddValueProject = (data) =>\n request({\n url: 'm.illume.merchant.vas.add',\n data\n }).then((rep) => {\n if (!rep.success) {\n return [];\n }\n return rep.result;\n });\n","export default {\n 'tuya.m.cl.combo.merchant.detail': {\n projectMaxNum: 100,\n projectCount: 40,\n isbrander: false,\n deviceCount: 219,\n remainingDeviceCount: 785,\n remainingProjectCount: 60,\n edition: 1,\n comboSingleDetailVO: {\n equityList: [\n {\n value: '1个',\n content: '项目数'\n },\n {\n value: '',\n content: '包含高级版所有功能'\n },\n {\n value: '',\n content: '空间热力图'\n },\n {\n value: '',\n content: '控制二维码分享'\n },\n {\n value: '',\n content: '设备同位替换'\n }\n ],\n version: 'profession',\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zy_logod.png',\n branderProjectNum: 10000000,\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=profession',\n duration: '咨询报价',\n trail: false,\n branderDeviceNum: 5000,\n price: '咨询报价',\n name: '专业版',\n contentList: [\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysggl@2x.png',\n content: '施工管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zycygl@2x.png',\n content: '成员管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zytqfw@2x.png',\n content: '天气服务',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zydzfw@2x.png',\n content: '地址服务',\n desc: ''\n }\n ],\n url: '',\n content: '项目管理'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zykjjggl@2x.png',\n content: '区域结构管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zypmtzdr@2x.png',\n content: '平面图导入',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyqyytgl@2x.png',\n content: '区域用途管理',\n desc: ''\n }\n ],\n url: '',\n content: '区域管理'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysbjk@2x.png',\n content: '运行状态',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysbota@2x.png',\n content: '设备OTA',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysbytgl@2x.png',\n content: '设备用途管理',\n desc: ''\n }\n ],\n url: '',\n content: '设备管理'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyqzgl@2x.png',\n content: '群组管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zycjgl@2x.png',\n content: '场景管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyrcgl@2x.png',\n content: '日程管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyldgl@2x.png',\n content: '联动管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyzdysj@2x.png',\n content: '自定义事件',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zycjmb@2x.png',\n content: '场景模板',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyanpz@2x.png',\n content: '按钮配置',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyybppz@2x.png',\n content: '仪表盘配置',\n desc: ''\n }\n ],\n url: '',\n content: '系统应用配置'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyczrz@2x.png',\n content: '操作日志',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zybjjl@2x.png',\n content: '报警记录',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyycjl@2x.png',\n content: '异常记录',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zydxtz@2x.png',\n content: '短信通知',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyyjtz@2x.png',\n content: '邮件通知',\n desc: ''\n }\n ],\n url: '',\n content: '日志管理'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysjdp@2x.png',\n content: '数据大盘',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zynhtj@2x.png',\n content: '能耗统计图',\n desc: ''\n }\n ],\n url: '',\n content: '数据中心'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zywxgdgl@2x.png',\n content: '维修工单管理',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zysbtwth@2x.png',\n content: '设备同位替换',\n desc: ''\n }\n ],\n url: '',\n content: '运维管理'\n },\n {\n subContent: [\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zykjrlt@2x.png',\n content: '空间热力图',\n desc: ''\n },\n {\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zykzewmfx@2x.png',\n content: '控制二维码分享',\n desc: ''\n }\n ],\n url: '',\n content: '专业照明控制'\n }\n ],\n desc: '适用于专业级商照项目,提供高级照明控制方案'\n },\n ismerchant: true,\n addValueList: [\n {\n projectList: [\n '沉香室内项目测试',\n '室内项目-1.5.1前端融合213123123',\n '能耗回归',\n '1.9.2优化界面测试',\n '照度测试项目',\n '商照能源三期1.9.0'\n ],\n name: '人员空间分布',\n appCode: 'alueAddedApp_space_heatmap',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyrenyuanrelifenbu@2x.png',\n id: 22,\n desc: '人员热力分布图是一款基于人员存在传感器数据进行空间占空分析的应用,可以体现空间各区域的实时、历史人员分布状况,为用户决策各空间自动化控制部署提供有效的数据支撑。'\n },\n {\n projectList: [\n '室内项目-1.5.1前端融合213123123',\n '沉香室内项目测试',\n '灵门测试项目2023.01.05'\n ],\n name: 'AI 感应灯控',\n appCode: 'valueAddedApp_space_ai',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyganyingzishiying@2x.png',\n id: 26,\n desc: 'AI 自适应感应是一款基于云端 AI 算法,自动调整传感器控制灯光保持时长的应用。通过对传感器所安装环境的感应历史数据计算,以一定的周期频率,自动调整传感器的延迟关灯时间,使传感器控制更贴近现场使用场景,提高用户体验。'\n },\n {\n projectList: ['室内项目-1.5.1前端融合213123123', '沉香室内项目测试'],\n name: '设备维修',\n appCode: 'valueAddedApp_opsdev_repair.detail',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyshebeiweixiu@2x.png',\n id: 30,\n desc: '设备维修是一款协助项目进行设备运维管理的应用。支持项目成员在APP 端与 SaaS 端一键进行设备故障报修,管理员在SaaS端进行维修任务分派与进度管理'\n },\n {\n projectList: [\n '室内项目-1.5.1前端融合213123123',\n '照度测试项目',\n '商照能源三期1.9.0',\n '沉香室内项目测试',\n '老数据回归'\n ],\n name: '设备替换',\n appCode: 'valueAddedApp_opsdev_replace',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyshebeitongwei@2x.png',\n id: 34,\n desc: '设备替换用于简化故障设备进行维修施工的流程。支持一键将原设备的配置信息,同步到替换后的新设备'\n },\n {\n projectList: [\n '室内项目-1.5.1前端融合213123123',\n '1.9.2',\n '商照能源三期1.9.0',\n '沉香室内项目测试',\n '老数据回归',\n '新建项目测试告警',\n '沉香12.16新建项目',\n '2.5.0户外项目本地定时',\n '风息测试室内项目',\n 'zoe验证',\n '虚拟设备项目'\n ],\n name: '空间分享',\n appCode: 'valueAddedApp_space_qrCode',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyerweima@2x.png',\n id: 38,\n desc: '设备二维码分享是一款可以进行设备临时分享的应用。适用于共享开放空间中,用户通过手机扫码的方式,进行临时的设备控制。'\n },\n {\n projectList: [\n '室内项目-1.5.1前端融合213123123',\n '1.9.2',\n '1.9.2优化界面测试',\n '1.9.4人因照明优化测试',\n '照度测试项目',\n '沉香室内项目测试',\n '沉香能耗通用测试',\n '技术1.1.0测试'\n ],\n name: '行业模板',\n appCode: 'industry_space_template',\n pic: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zyhymb@2x.png',\n id: 62,\n desc: '行业区域模板是一款以满足项目快速落地为目标的应用,通过标准的配置流程,结合行业使用场景完成预设模版的调用,快速完成核心使用功能的调试、配置工作'\n },\n {\n projectList: [\n '沉香室内项目测试',\n '能耗回归',\n '室内项目-1.5.1前端融合213123123',\n '照度测试项目',\n '1.9.2',\n '商照能源三期1.9.0',\n '老数据回归',\n '灵门测试项目2023.01.05',\n '技术1.1.0测试',\n '灵门能耗项目3月27日',\n '123'\n ],\n name: '节律照明',\n appCode: 'rhythm',\n pic: 'https://images.tuyacn.com/app/illumination/rhythm.png',\n id: 74,\n desc: '节律照明是一款以使用空间为对象、以时间周期为维度,围绕调光调色灯具展开综合调节,为空间营造出自动化、沉浸式的舒适环境体验。'\n },\n {\n projectList: [\n '沉香室内项目测试',\n '户外项目1.12.3',\n '技术1.1.0测试',\n '灵门测试项目2023.01.05',\n '沉香12.16新建项目',\n '沉香回归测试能耗',\n '沉香-虚拟能耗项目',\n '没开白名单新建户外项目',\n '没开白名单的新建室内项目',\n '风息测试室外项目',\n '123',\n '风息测试室内项目',\n '沉香北美认证虚拟能耗项目',\n '北美-虚拟能耗项目'\n ],\n name: '设备日志',\n appCode: 'system_device_log',\n pic: 'https://images.tuyacn.com/app/illumination/rhythm.png',\n id: 78,\n desc: '设备日志用于记录和查看项目内设备发生的状态变化。支持基于设备维度的日志信息查询,为用户掌握设备状态,快速定位问题提供数据支撑。'\n },\n {\n projectList: [\n '照度测试项目',\n '室内项目-1.5.1前端融合213123123',\n '沉香室内项目测试',\n '1.9.2',\n '1.9.4人因照明优化测试',\n '商照能源三期1.9.0',\n '灵门测试项目2023.01.05'\n ],\n name: 'KUMUX-人因照明控制策略',\n appCode: 'valueAddedApp_space_hcl',\n pic: 'https://images.tuyacn.com/smart/SAAS/light/hcl.png',\n id: 94,\n desc: '通过商照SaaS与Kumux算法模型的深入融合,围绕空间用途、项目经纬度等因素,时刻为用户提供良好的人因照明策略运行的体验'\n },\n {\n projectList: ['会议预约V1.14.0测试商照'],\n name: '会议预约',\n appCode: 'smart_meeting',\n pic: 'https://images.tuyacn.com/app/illumination/meeting.png',\n id: 110,\n desc: '通过对办公会议室的整体智能化管理,助力管理人员更好的维护、运营有限公共资源的同时也带给使用者更好的用户体验'\n },\n {\n projectList: ['沉香12.16新建项目', '沉香-虚拟能耗项目', '沉香回归测试能耗'],\n name: '虚拟能耗',\n appCode: 'virtual_energy',\n pic: 'https://images.tuyacn.com/content-platform/hestia/1672110920bb6c267a58f.png',\n id: 134,\n desc: '该应用可针对不具备电量统计条件的设备进行额定功率设置,系统将自动根据设备的运行时长,运行频率进行电量统计。'\n }\n ],\n merchantName: '沉香测试1241212oo88',\n deviceMaxNum: 1000,\n deviceNum: 219,\n showCombo: 0,\n oem: false,\n projectNum: 40,\n expireSec: 1950105599363\n },\n 'tuya.m.cl.combo.register': {\n comboList: [\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=ordinary',\n duration: '咨询报价',\n trail: true,\n price: '咨询报价',\n priceType: false,\n name: '基础版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '免费试用15天',\n version: 'ordinary',\n url: 'https://images.tuyacn.com/app/illumination/combo/ordinary/icon_jc_logox@2x.png',\n desc: '适用于控制需要简单的中小型商照项目'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=advanced',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '高级版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'advanced',\n url: 'https://images.tuyacn.com/app/illumination/combo/advanced/icon_gj_logox@2x.png',\n desc: '适用于控制需求、设备接入量较多的中大型商照项目'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=profession',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '专业版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'profession',\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zy_logox@2x.png',\n desc: '适用于专业级商照项目,提供高级照明控制方案'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=profession',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '专业版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'industry',\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zy_logox@2x.png',\n desc: '适用于专业级商照项目,提供高级照明控制方案'\n }\n ],\n companyName: '沉香测试1241212oo88',\n version: 'profession',\n account: 'illcx@yopmail.net'\n },\n 'tuya.m.cl.register.success': {\n comboList: [\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=ordinary',\n duration: '咨询报价',\n trail: true,\n price: '咨询报价',\n priceType: false,\n name: '基础版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '免费试用15天',\n version: 'ordinary',\n url: 'https://images.tuyacn.com/app/illumination/combo/ordinary/icon_jc_logox@2x.png',\n desc: '适用于控制需要简单的中小型商照项目'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=advanced',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '高级版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'advanced',\n url: 'https://images.tuyacn.com/app/illumination/combo/advanced/icon_gj_logox@2x.png',\n desc: '适用于控制需求、设备接入量较多的中大型商照项目'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=profession',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '专业版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'profession',\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zy_logox@2x.png',\n desc: '适用于专业级商照项目,提供高级照明控制方案'\n },\n {\n h5Url: 'https://lighting-h5.console.tuya.com/combo/chose?version=profession',\n duration: '咨询报价',\n trail: false,\n price: '咨询报价',\n priceType: false,\n name: '专业版',\n contactPerson: {\n phone: '4100-881-8611',\n name: '姚经理',\n email: 'lighting@tuya.com'\n },\n buttonWord: '咨询联系',\n version: 'industry',\n url: 'https://images.tuyacn.com/app/illumination/combo/profession/icon_zy_logox@2x.png',\n desc: '适用于专业级商照项目,提供高级照明控制方案'\n }\n ],\n companyName: '沉香测试1241212oo88',\n showType: 1\n }\n};\n","// extracted by mini-css-extract-plugin\nmodule.exports = {\"baseModal\":\"index-module__baseModal___DQKBE\",\"withoutContent\":\"index-module__withoutContent___FZH4R\",\"wrapper\":\"index-module__wrapper___oOZCT\",\"h5Wrapper\":\"index-module__h5Wrapper___YZ1US\"};","import i18n from '@/utils/i18n';\nimport BaseComponentProps from '@/common/types/BaseComponentProps';\nimport { View } from '@tarojs/components';\nimport React, { ReactElement } from 'react';\nimport { AtModal, AtModalAction, AtModalContent, AtModalHeader } from 'taro-ui';\nimport styles from './index.module.scss';\n\nexport interface BaseModalProps extends BaseComponentProps {\n isOpened: boolean;\n title: string;\n content?: string;\n customContent?: ReactElement;\n confirmText?: string;\n cancelText?: string;\n onConfirm: () => void;\n onCancel?: () => void;\n showCancel?: boolean;\n className?: any;\n}\nconst t = i18n();\n\nconst BaseModal: React.FC<BaseModalProps> = ({\n isOpened,\n title,\n content,\n customContent = undefined,\n onConfirm,\n showCancel = false,\n onCancel,\n confirmText = t('ok'),\n cancelText = t('cancel'),\n className\n}) => {\n const handleCancelClick = (e) => {\n e.stopPropagation();\n onCancel?.();\n };\n\n return (\n <View className={`${styles.wrapper} ${className}`}>\n {!customContent && (\n <AtModal\n className={`${styles.baseModal} ${styles.baseModalIndex} ${content ? '' : styles.withoutContent}`}\n isOpened={isOpened}\n title={title}\n confirmText={confirmText}\n cancelText={showCancel ? cancelText || t('cancel') : undefined}\n content={content}\n onConfirm={onConfirm}\n onCancel={handleCancelClick}\n closeOnClickOverlay={false}\n />\n )}\n {customContent && (\n <AtModal\n isOpened={isOpened}\n className={`${styles.baseModal} ${styles.baseModalIndex} ${className}`}\n onConfirm={onConfirm}\n onCancel={handleCancelClick}\n closeOnClickOverlay={false}\n >\n <AtModalHeader>{title}</AtModalHeader>\n <AtModalContent>{customContent}</AtModalContent>\n <AtModalAction>\n <View className={'at-modal-footer'}>\n {showCancel && (\n <View className={'at-modal-footer-cancel'} onClick={handleCancelClick}>\n {cancelText}\n </View>\n )}\n <View className={'at-modal-footer-confirm'} onClick={onConfirm}>\n {confirmText}\n </View>\n </View>\n </AtModalAction>\n </AtModal>\n )}\n </View>\n );\n};\n\nexport default BaseModal;\n","// extracted by mini-css-extract-plugin\nmodule.exports = {\"baseOperateFooter\":\"index-module__baseOperateFooter___MzwXs\",\"secondaryBtn\":\"index-module__secondaryBtn___Pmir2\",\"isIOSBaseOperateFooter\":\"index-module__isIOSBaseOperateFooter___VzStl\",\"isAndroidBaseOperateFooter\":\"index-module__isAndroidBaseOperateFooter___PGaVC\"};","import React from 'react';\nimport BaseComponentProps from '@/common/types/BaseComponentProps';\nimport { View } from '@tarojs/components';\nimport { AtButton } from 'taro-ui';\nimport styles from './index.module.scss';\nimport { isAndroid } from '@/utils/getSystemInfoSync';\n\nexport interface BaseOperateFooterProps extends BaseComponentProps {\n primaryButtonText: string;\n onPrimaryButtonClick: () => any;\n secondaryButtonText?: string;\n onSecondaryButtonClick?: () => any;\n primaryButtonLoading?: boolean;\n primaryButtonDisabled?: boolean;\n secondaryButtonLoading?: boolean;\n secondaryButtonDisabled?: boolean;\n}\nconst BaseOperateFooter: React.FC<BaseOperateFooterProps> = ({\n className,\n primaryButtonText,\n secondaryButtonText,\n onPrimaryButtonClick,\n onSecondaryButtonClick,\n primaryButtonLoading = false,\n primaryButtonDisabled = false,\n secondaryButtonLoading = false,\n secondaryButtonDisabled = false\n}) => (\n <View className={`${styles.baseOperateFooter} ${isAndroid ? styles.isAndroidBaseOperateFooter : styles.isIOSBaseOperateFooter} ${className}`}>\n {secondaryButtonText && (\n <AtButton\n className={styles.secondaryBtn}\n type='secondary'\n onClick={onSecondaryButtonClick}\n loading={secondaryButtonLoading}\n disabled={secondaryButtonDisabled}\n circle\n >\n {secondaryButtonText}\n </AtButton>\n )}\n <AtButton\n type='primary'\n circle\n onClick={onPrimaryButtonClick}\n className={secondaryButtonText ? '' : styles.large}\n loading={primaryButtonLoading}\n disabled={primaryButtonDisabled}\n >\n {primaryButtonText}\n </AtButton>\n </View>\n);\n\nexport default BaseOperateFooter;\n","// extracted by mini-css-extract-plugin\nmodule.exports = {\"basePage\":\"index-module__basePage___JJNQP\",\"footer\":\"index-module__footer___6wRoo\"};","import React from 'react';\nimport BaseComponentProps from '@/common/types/BaseComponentProps';\nimport { View } from '@tarojs/components';\nimport styles from './index.module.scss';\nimport BaseOperateFooter, { BaseOperateFooterProps } from '../BaseOperateFooter';\n\ninterface IBasePicker extends BaseComponentProps {\n footerConfig?: BaseOperateFooterProps\n}\n\nconst BasePage: React.FC<IBasePicker> = (props) => {\n const { children, className, style, footerConfig } = props\n const {\n className: footerClass,\n primaryButtonText = \"\",\n onPrimaryButtonClick = () => void 0,\n ...footer\n } = footerConfig || {}\n\n return <View className={`${styles.basePage} ${className}`} style={style}>\n {children}\n {footerConfig && <BaseOperateFooter\n className={`${styles.footer} ${footerClass}`}\n primaryButtonText={primaryButtonText}\n onPrimaryButtonClick={onPrimaryButtonClick}\n {...footer}\n />}\n </View>\n};\n\nexport default BasePage;\n","// extracted by mini-css-extract-plugin\nmodule.exports = {\"container\":\"index-module__container___nkg-l\"};","import React, { FC } from 'react'\nimport cls from 'classnames'\nimport styles from './index.module.scss'\nimport { View } from '@tarojs/components'\n\ninterface IProps {\n disableGutters?: boolean\n className?: string\n children?: any\n}\n\nconst Container: FC<IProps> = ({ disableGutters = false, children, className, ...props }) => {\n const cl = cls({ [styles.container]: !disableGutters }, className)\n\n return (\n <View className={cl} {...props}>\n {children}\n </View>\n )\n}\n\nexport default Container\n","export enum GLOBAL_KEY {\n /** 网络状态*/\n IS_ONLINE = 'IS_ONLINE',\n ADD_VALUE = 'ADD_VALUE',\n}\n\nlet MpGlobalData = {\n /** 网络状态*/\n [GLOBAL_KEY.IS_ONLINE]: true,\n [GLOBAL_KEY.ADD_VALUE]: {} as any\n};\n\nexport function setGlobalData<K extends keyof typeof MpGlobalData>(key: K, val) {\n if (!key) {\n console.error('key值不能为空');\n return;\n }\n MpGlobalData[key] = val;\n}\n\nexport function getGlobalData<K extends keyof typeof MpGlobalData>(key: K) {\n return MpGlobalData[key];\n}\n\nexport const clearGlobalData = () => {\n if (MpGlobalData) {\n MpGlobalData = {} as typeof MpGlobalData;\n }\n}\n","import common from './common.json';\n\nexport default {\n common\n};\n","import common from './common.json';\n\nexport default {\n common\n};\n","import common from './common.json';\n\nexport default {\n common\n};\n","import common from './common.json';\n\nexport default {\n common\n};\n","import common from './common.json';\n\nexport default {\n common\n};\n","import common from './common.json';\n\nexport default {\n common\n};\n","/** 获取当前环境的语言, 默认zh */\nexport const getLanguage = () => {\n const reg = /[-|_]/g;\n const infos = ty.getSystemInfoSync();\n const language = infos?.language?.split(reg)?.[0];\n console.log('language', infos?.language?.split(reg), language, infos);\n\n return ['zh', 'en', 'ja', 'es', 'de', 'fr'].includes(language) ? language : 'en';\n};\n\nexport const isChinaArea = () => {\n const reg = /[-|_]/g;\n const infos = ty.getSystemInfoSync();\n const language = infos?.language?.split(reg)?.[0];\n\n return language === 'zh';\n};\n","export const systemInfo = ty.getSystemInfoSync();\n\nexport const isAndroid = systemInfo?.platform === 'android'\n","import LanguageDetector from 'i18next-browser-languagedetector';\nimport i18n from 'i18next';\nimport { initReactI18next } from 'react-i18next';\nimport zh from '../locales/zh';\nimport en from '../locales/en';\nimport de from '../locales/de';\nimport fr from '../locales/fr';\nimport es from '../locales/es';\nimport ja from '../locales/ja';\nimport { getLanguage } from './getLanguage';\n\nconst language = getLanguage();\n\ni18n.use(LanguageDetector).use(initReactI18next).init({\n compatibilityJSON: 'v3',\n fallbackLng: 'zh',\n resources: {\n zh,\n en,\n de,\n fr,\n es,\n ja\n },\n lng: language\n});\n\nconsole.log('%c language', 'font-size:14px; background: blue; color:#fff;', language);\n\nconst i18ns =\n () =>\n (keys, options = {}) =>\n i18n.t(keys, {\n ...options,\n ns: ['common']\n });\n\nexport default i18ns;\n","import mockData from '@/api/mockData';\nimport { GLOBAL_KEY, getGlobalData } from '../../config/globalData/index';\nimport Taro from '@tarojs/taro';\n\nexport interface IResponse<T = any> {\n result: T;\n success: boolean;\n code: number;\n status: string;\n msg?: string;\n errorCode?: string;\n}\n\ntype Method = 'GET' | 'POST' | 'PUT' | 'DELETE';\n\ninterface SelectUrl {\n /**\n * @name atop接口(不走fast网关)\n */\n atopUrl?: string;\n\n /**\n * @name atop接口(走fast网关)\n */\n atopUrlByFast?: string;\n}\n\ninterface ExtraConfig {\n noBlockId?: boolean;\n noErrorToast?: boolean;\n noRedirect?: boolean;\n ignoreErrorCodes?: number[];\n noLogin?: boolean;\n}\nexport async function request<T = any>(reqConfig: {\n url: string;\n method?: Method;\n data?: Record<string, any>;\n extData?: { gid?: string };\n apiVersion?: string;\n extraConfig?: ExtraConfig;\n}): Promise<IResponse<T>> {\n const { url, data, apiVersion, extData } = reqConfig;\n const isOnline = getGlobalData(GLOBAL_KEY.IS_ONLINE);\n if (!isOnline) {\n Taro.hideLoading();\n Taro.showToast({ title: 'Network unavailable', duration: 2000, icon: 'none' });\n return Promise.reject({});\n }\n\n let res: any = { result: {}, success: false, code: 0 };\n\n const brand = 'devtools' // devtools\n\n const requestAtopDirectly = () =>\n new Promise((resolve) => {\n // IDE调试工具\n if (brand !== 'devtools') {\n resolve({\n data: {\n result: mockData?.[url] || {},\n success: true\n }\n });\n return;\n }\n\n ty.apiRequestByAtop({\n api: url,\n version: apiVersion || '1.0',\n postData: { ...data } || {},\n extData,\n success: (result) => {\n console.log('------------- result ↓ -------------------');\n console.log('url: ', url);\n console.log('params: ', data);\n console.log('result', result);\n console.log('--------------- ↑ ------------------------');\n resolve({\n data: {\n result,\n success: true\n }\n });\n },\n fail: (e) => {\n console.log('fail: ', e);\n resolve({\n data: Object.assign({}, e?.innerError, { code: +e?.innerError?.errorCode }),\n errorMsg: e?.errorMsg\n });\n },\n complete: () => {\n Taro.hideLoading();\n }\n });\n });\n\n res = await requestAtopDirectly();\n\n if (res?.data?.success) {\n const { data: resData } = res;\n const { result = {}, success, code, msg } = resData;\n res = { result, success, code, msg };\n\n console.log('res', resData);\n } else {\n console.log('---error----');\n console.log(res);\n setTimeout(() => {\n Taro.showToast({ title: res.data.errorMsg, duration: 2000, icon: 'none' });\n }, 200);\n }\n return res;\n}\n","function _arrayLikeToArray(arr, len) {\n if (len == null || len > arr.length) len = arr.length;\n for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];\n return arr2;\n}\nmodule.exports = _arrayLikeToArray, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var arrayLikeToArray = require(\"./arrayLikeToArray.js\");\nfunction _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) return arrayLikeToArray(arr);\n}\nmodule.exports = _arrayWithoutHoles, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n return self;\n}\nmodule.exports = _assertThisInitialized, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}\nmodule.exports = _classCallCheck, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var toPropertyKey = require(\"./toPropertyKey.js\");\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, toPropertyKey(descriptor.key), descriptor);\n }\n}\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n Object.defineProperty(Constructor, \"prototype\", {\n writable: false\n });\n return Constructor;\n}\nmodule.exports = _createClass, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var getPrototypeOf = require(\"./getPrototypeOf.js\");\nvar isNativeReflectConstruct = require(\"./isNativeReflectConstruct.js\");\nvar possibleConstructorReturn = require(\"./possibleConstructorReturn.js\");\nfunction _createSuper(Derived) {\n var hasNativeReflectConstruct = isNativeReflectConstruct();\n return function _createSuperInternal() {\n var Super = getPrototypeOf(Derived),\n result;\n if (hasNativeReflectConstruct) {\n var NewTarget = getPrototypeOf(this).constructor;\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n return possibleConstructorReturn(this, result);\n };\n}\nmodule.exports = _createSuper, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var toPropertyKey = require(\"./toPropertyKey.js\");\nfunction _defineProperty(obj, key, value) {\n key = toPropertyKey(key);\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n return obj;\n}\nmodule.exports = _defineProperty, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","export default function _arrayLikeToArray(arr, len) {\n if (len == null || len > arr.length) len = arr.length;\n for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];\n return arr2;\n}","export default function _arrayWithHoles(arr) {\n if (Array.isArray(arr)) return arr;\n}","import arrayLikeToArray from \"./arrayLikeToArray.js\";\nexport default function _arrayWithoutHoles(arr) {\n if (Array.isArray(arr)) return arrayLikeToArray(arr);\n}","export default function _assertThisInitialized(self) {\n if (self === void 0) {\n throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n }\n return self;\n}","function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {\n try {\n var info = gen[key](arg);\n var value = info.value;\n } catch (error) {\n reject(error);\n return;\n }\n if (info.done) {\n resolve(value);\n } else {\n Promise.resolve(value).then(_next, _throw);\n }\n}\nexport default function _asyncToGenerator(fn) {\n return function () {\n var self = this,\n args = arguments;\n return new Promise(function (resolve, reject) {\n var gen = fn.apply(self, args);\n function _next(value) {\n asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"next\", value);\n }\n function _throw(err) {\n asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"throw\", err);\n }\n _next(undefined);\n });\n };\n}","export default function _classCallCheck(instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n}","import setPrototypeOf from \"./setPrototypeOf.js\";\nimport isNativeReflectConstruct from \"./isNativeReflectConstruct.js\";\nexport default function _construct(Parent, args, Class) {\n if (isNativeReflectConstruct()) {\n _construct = Reflect.construct.bind();\n } else {\n _construct = function _construct(Parent, args, Class) {\n var a = [null];\n a.push.apply(a, args);\n var Constructor = Function.bind.apply(Parent, a);\n var instance = new Constructor();\n if (Class) setPrototypeOf(instance, Class.prototype);\n return instance;\n };\n }\n return _construct.apply(null, arguments);\n}","import toPropertyKey from \"./toPropertyKey.js\";\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, toPropertyKey(descriptor.key), descriptor);\n }\n}\nexport default function _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n Object.defineProperty(Constructor, \"prototype\", {\n writable: false\n });\n return Constructor;\n}","import getPrototypeOf from \"./getPrototypeOf.js\";\nimport isNativeReflectConstruct from \"./isNativeReflectConstruct.js\";\nimport possibleConstructorReturn from \"./possibleConstructorReturn.js\";\nexport default function _createSuper(Derived) {\n var hasNativeReflectConstruct = isNativeReflectConstruct();\n return function _createSuperInternal() {\n var Super = getPrototypeOf(Derived),\n result;\n if (hasNativeReflectConstruct) {\n var NewTarget = getPrototypeOf(this).constructor;\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n return possibleConstructorReturn(this, result);\n };\n}","import toPropertyKey from \"./toPropertyKey.js\";\nexport default function _defineProperty(obj, key, value) {\n key = toPropertyKey(key);\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n return obj;\n}","import superPropBase from \"./superPropBase.js\";\nexport default function _get() {\n if (typeof Reflect !== \"undefined\" && Reflect.get) {\n _get = Reflect.get.bind();\n } else {\n _get = function _get(target, property, receiver) {\n var base = superPropBase(target, property);\n if (!base) return;\n var desc = Object.getOwnPropertyDescriptor(base, property);\n if (desc.get) {\n return desc.get.call(arguments.length < 3 ? target : receiver);\n }\n return desc.value;\n };\n }\n return _get.apply(this, arguments);\n}","export default function _getPrototypeOf(o) {\n _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) {\n return o.__proto__ || Object.getPrototypeOf(o);\n };\n return _getPrototypeOf(o);\n}","import setPrototypeOf from \"./setPrototypeOf.js\";\nexport default function _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n Object.defineProperty(subClass, \"prototype\", {\n writable: false\n });\n if (superClass) setPrototypeOf(subClass, superClass);\n}","export default function _isNativeFunction(fn) {\n return Function.toString.call(fn).indexOf(\"[native code]\") !== -1;\n}","export default function _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n try {\n Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}","export default function _iterableToArray(iter) {\n if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n}","export default function _iterableToArrayLimit(r, l) {\n var t = null == r ? null : \"undefined\" != typeof Symbol && r[Symbol.iterator] || r[\"@@iterator\"];\n if (null != t) {\n var e,\n n,\n i,\n u,\n a = [],\n f = !0,\n o = !1;\n try {\n if (i = (t = t.call(r)).next, 0 === l) {\n if (Object(t) !== t) return;\n f = !1;\n } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0);\n } catch (r) {\n o = !0, n = r;\n } finally {\n try {\n if (!f && null != t[\"return\"] && (u = t[\"return\"](), Object(u) !== u)) return;\n } finally {\n if (o) throw n;\n }\n }\n return a;\n }\n}","export default function _nonIterableRest() {\n throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}","export default function _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}","import defineProperty from \"./defineProperty.js\";\nfunction ownKeys(e, r) {\n var t = Object.keys(e);\n if (Object.getOwnPropertySymbols) {\n var o = Object.getOwnPropertySymbols(e);\n r && (o = o.filter(function (r) {\n return Object.getOwnPropertyDescriptor(e, r).enumerable;\n })), t.push.apply(t, o);\n }\n return t;\n}\nexport default function _objectSpread2(e) {\n for (var r = 1; r < arguments.length; r++) {\n var t = null != arguments[r] ? arguments[r] : {};\n r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {\n defineProperty(e, r, t[r]);\n }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {\n Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));\n });\n }\n return e;\n}","import objectWithoutPropertiesLoose from \"./objectWithoutPropertiesLoose.js\";\nexport default function _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n var target = objectWithoutPropertiesLoose(source, excluded);\n var key, i;\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n return target;\n}","export default function _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n return target;\n}","import _typeof from \"./typeof.js\";\nimport assertThisInitialized from \"./assertThisInitialized.js\";\nexport default function _possibleConstructorReturn(self, call) {\n if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) {\n return call;\n } else if (call !== void 0) {\n throw new TypeError(\"Derived constructors may only return object or undefined\");\n }\n return assertThisInitialized(self);\n}","import _typeof from \"./typeof.js\";\nexport default function _regeneratorRuntime() {\n \"use strict\"; /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */\n _regeneratorRuntime = function _regeneratorRuntime() {\n return e;\n };\n var t,\n e = {},\n r = Object.prototype,\n n = r.hasOwnProperty,\n o = Object.defineProperty || function (t, e, r) {\n t[e] = r.value;\n },\n i = \"function\" == typeof Symbol ? Symbol : {},\n a = i.iterator || \"@@iterator\",\n c = i.asyncIterator || \"@@asyncIterator\",\n u = i.toStringTag || \"@@toStringTag\";\n function define(t, e, r) {\n return Object.defineProperty(t, e, {\n value: r,\n enumerable: !0,\n configurable: !0,\n writable: !0\n }), t[e];\n }\n try {\n define({}, \"\");\n } catch (t) {\n define = function define(t, e, r) {\n return t[e] = r;\n };\n }\n function wrap(t, e, r, n) {\n var i = e && e.prototype instanceof Generator ? e : Generator,\n a = Object.create(i.prototype),\n c = new Context(n || []);\n return o(a, \"_invoke\", {\n value: makeInvokeMethod(t, r, c)\n }), a;\n }\n function tryCatch(t, e, r) {\n try {\n return {\n type: \"normal\",\n arg: t.call(e, r)\n };\n } catch (t) {\n return {\n type: \"throw\",\n arg: t\n };\n }\n }\n e.wrap = wrap;\n var h = \"suspendedStart\",\n l = \"suspendedYield\",\n f = \"executing\",\n s = \"completed\",\n y = {};\n function Generator() {}\n function GeneratorFunction() {}\n function GeneratorFunctionPrototype() {}\n var p = {};\n define(p, a, function () {\n return this;\n });\n var d = Object.getPrototypeOf,\n v = d && d(d(values([])));\n v && v !== r && n.call(v, a) && (p = v);\n var g = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(p);\n function defineIteratorMethods(t) {\n [\"next\", \"throw\", \"return\"].forEach(function (e) {\n define(t, e, function (t) {\n return this._invoke(e, t);\n });\n });\n }\n function AsyncIterator(t, e) {\n function invoke(r, o, i, a) {\n var c = tryCatch(t[r], t, o);\n if (\"throw\" !== c.type) {\n var u = c.arg,\n h = u.value;\n return h && \"object\" == _typeof(h) && n.call(h, \"__await\") ? e.resolve(h.__await).then(function (t) {\n invoke(\"next\", t, i, a);\n }, function (t) {\n invoke(\"throw\", t, i, a);\n }) : e.resolve(h).then(function (t) {\n u.value = t, i(u);\n }, function (t) {\n return invoke(\"throw\", t, i, a);\n });\n }\n a(c.arg);\n }\n var r;\n o(this, \"_invoke\", {\n value: function value(t, n) {\n function callInvokeWithMethodAndArg() {\n return new e(function (e, r) {\n invoke(t, n, e, r);\n });\n }\n return r = r ? r.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();\n }\n });\n }\n function makeInvokeMethod(e, r, n) {\n var o = h;\n return function (i, a) {\n if (o === f) throw new Error(\"Generator is already running\");\n if (o === s) {\n if (\"throw\" === i) throw a;\n return {\n value: t,\n done: !0\n };\n }\n for (n.method = i, n.arg = a;;) {\n var c = n.delegate;\n if (c) {\n var u = maybeInvokeDelegate(c, n);\n if (u) {\n if (u === y) continue;\n return u;\n }\n }\n if (\"next\" === n.method) n.sent = n._sent = n.arg;else if (\"throw\" === n.method) {\n if (o === h) throw o = s, n.arg;\n n.dispatchException(n.arg);\n } else \"return\" === n.method && n.abrupt(\"return\", n.arg);\n o = f;\n var p = tryCatch(e, r, n);\n if (\"normal\" === p.type) {\n if (o = n.done ? s : l, p.arg === y) continue;\n return {\n value: p.arg,\n done: n.done\n };\n }\n \"throw\" === p.type && (o = s, n.method = \"throw\", n.arg = p.arg);\n }\n };\n }\n function maybeInvokeDelegate(e, r) {\n var n = r.method,\n o = e.iterator[n];\n if (o === t) return r.delegate = null, \"throw\" === n && e.iterator[\"return\"] && (r.method = \"return\", r.arg = t, maybeInvokeDelegate(e, r), \"throw\" === r.method) || \"return\" !== n && (r.method = \"throw\", r.arg = new TypeError(\"The iterator does not provide a '\" + n + \"' method\")), y;\n var i = tryCatch(o, e.iterator, r.arg);\n if (\"throw\" === i.type) return r.method = \"throw\", r.arg = i.arg, r.delegate = null, y;\n var a = i.arg;\n return a ? a.done ? (r[e.resultName] = a.value, r.next = e.nextLoc, \"return\" !== r.method && (r.method = \"next\", r.arg = t), r.delegate = null, y) : a : (r.method = \"throw\", r.arg = new TypeError(\"iterator result is not an object\"), r.delegate = null, y);\n }\n function pushTryEntry(t) {\n var e = {\n tryLoc: t[0]\n };\n 1 in t && (e.catchLoc = t[1]), 2 in t && (e.finallyLoc = t[2], e.afterLoc = t[3]), this.tryEntries.push(e);\n }\n function resetTryEntry(t) {\n var e = t.completion || {};\n e.type = \"normal\", delete e.arg, t.completion = e;\n }\n function Context(t) {\n this.tryEntries = [{\n tryLoc: \"root\"\n }], t.forEach(pushTryEntry, this), this.reset(!0);\n }\n function values(e) {\n if (e || \"\" === e) {\n var r = e[a];\n if (r) return r.call(e);\n if (\"function\" == typeof e.next) return e;\n if (!isNaN(e.length)) {\n var o = -1,\n i = function next() {\n for (; ++o < e.length;) if (n.call(e, o)) return next.value = e[o], next.done = !1, next;\n return next.value = t, next.done = !0, next;\n };\n return i.next = i;\n }\n }\n throw new TypeError(_typeof(e) + \" is not iterable\");\n }\n return GeneratorFunction.prototype = GeneratorFunctionPrototype, o(g, \"constructor\", {\n value: GeneratorFunctionPrototype,\n configurable: !0\n }), o(GeneratorFunctionPrototype, \"constructor\", {\n value: GeneratorFunction,\n configurable: !0\n }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, u, \"GeneratorFunction\"), e.isGeneratorFunction = function (t) {\n var e = \"function\" == typeof t && t.constructor;\n return !!e && (e === GeneratorFunction || \"GeneratorFunction\" === (e.displayName || e.name));\n }, e.mark = function (t) {\n return Object.setPrototypeOf ? Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, \"GeneratorFunction\")), t.prototype = Object.create(g), t;\n }, e.awrap = function (t) {\n return {\n __await: t\n };\n }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () {\n return this;\n }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) {\n void 0 === i && (i = Promise);\n var a = new AsyncIterator(wrap(t, r, n, o), i);\n return e.isGeneratorFunction(r) ? a : a.next().then(function (t) {\n return t.done ? t.value : a.next();\n });\n }, defineIteratorMethods(g), define(g, u, \"Generator\"), define(g, a, function () {\n return this;\n }), define(g, \"toString\", function () {\n return \"[object Generator]\";\n }), e.keys = function (t) {\n var e = Object(t),\n r = [];\n for (var n in e) r.push(n);\n return r.reverse(), function next() {\n for (; r.length;) {\n var t = r.pop();\n if (t in e) return next.value = t, next.done = !1, next;\n }\n return next.done = !0, next;\n };\n }, e.values = values, Context.prototype = {\n constructor: Context,\n reset: function reset(e) {\n if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = \"next\", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) \"t\" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t);\n },\n stop: function stop() {\n this.done = !0;\n var t = this.tryEntries[0].completion;\n if (\"throw\" === t.type) throw t.arg;\n return this.rval;\n },\n dispatchException: function dispatchException(e) {\n if (this.done) throw e;\n var r = this;\n function handle(n, o) {\n return a.type = \"throw\", a.arg = e, r.next = n, o && (r.method = \"next\", r.arg = t), !!o;\n }\n for (var o = this.tryEntries.length - 1; o >= 0; --o) {\n var i = this.tryEntries[o],\n a = i.completion;\n if (\"root\" === i.tryLoc) return handle(\"end\");\n if (i.tryLoc <= this.prev) {\n var c = n.call(i, \"catchLoc\"),\n u = n.call(i, \"finallyLoc\");\n if (c && u) {\n if (this.prev < i.catchLoc) return handle(i.catchLoc, !0);\n if (this.prev < i.finallyLoc) return handle(i.finallyLoc);\n } else if (c) {\n if (this.prev < i.catchLoc) return handle(i.catchLoc, !0);\n } else {\n if (!u) throw new Error(\"try statement without catch or finally\");\n if (this.prev < i.finallyLoc) return handle(i.finallyLoc);\n }\n }\n }\n },\n abrupt: function abrupt(t, e) {\n for (var r = this.tryEntries.length - 1; r >= 0; --r) {\n var o = this.tryEntries[r];\n if (o.tryLoc <= this.prev && n.call(o, \"finallyLoc\") && this.prev < o.finallyLoc) {\n var i = o;\n break;\n }\n }\n i && (\"break\" === t || \"continue\" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null);\n var a = i ? i.completion : {};\n return a.type = t, a.arg = e, i ? (this.method = \"next\", this.next = i.finallyLoc, y) : this.complete(a);\n },\n complete: function complete(t, e) {\n if (\"throw\" === t.type) throw t.arg;\n return \"break\" === t.type || \"continue\" === t.type ? this.next = t.arg : \"return\" === t.type ? (this.rval = this.arg = t.arg, this.method = \"return\", this.next = \"end\") : \"normal\" === t.type && e && (this.next = e), y;\n },\n finish: function finish(t) {\n for (var e = this.tryEntries.length - 1; e >= 0; --e) {\n var r = this.tryEntries[e];\n if (r.finallyLoc === t) return this.complete(r.completion, r.afterLoc), resetTryEntry(r), y;\n }\n },\n \"catch\": function _catch(t) {\n for (var e = this.tryEntries.length - 1; e >= 0; --e) {\n var r = this.tryEntries[e];\n if (r.tryLoc === t) {\n var n = r.completion;\n if (\"throw\" === n.type) {\n var o = n.arg;\n resetTryEntry(r);\n }\n return o;\n }\n }\n throw new Error(\"illegal catch attempt\");\n },\n delegateYield: function delegateYield(e, r, n) {\n return this.delegate = {\n iterator: values(e),\n resultName: r,\n nextLoc: n\n }, \"next\" === this.method && (this.arg = t), y;\n }\n }, e;\n}","import superPropBase from \"./superPropBase.js\";\nimport defineProperty from \"./defineProperty.js\";\nfunction set(target, property, value, receiver) {\n if (typeof Reflect !== \"undefined\" && Reflect.set) {\n set = Reflect.set;\n } else {\n set = function set(target, property, value, receiver) {\n var base = superPropBase(target, property);\n var desc;\n if (base) {\n desc = Object.getOwnPropertyDescriptor(base, property);\n if (desc.set) {\n desc.set.call(receiver, value);\n return true;\n } else if (!desc.writable) {\n return false;\n }\n }\n desc = Object.getOwnPropertyDescriptor(receiver, property);\n if (desc) {\n if (!desc.writable) {\n return false;\n }\n desc.value = value;\n Object.defineProperty(receiver, property, desc);\n } else {\n defineProperty(receiver, property, value);\n }\n return true;\n };\n }\n return set(target, property, value, receiver);\n}\nexport default function _set(target, property, value, receiver, isStrict) {\n var s = set(target, property, value, receiver || target);\n if (!s && isStrict) {\n throw new TypeError('failed to set property');\n }\n return value;\n}","export default function _setPrototypeOf(o, p) {\n _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {\n o.__proto__ = p;\n return o;\n };\n return _setPrototypeOf(o, p);\n}","import arrayWithHoles from \"./arrayWithHoles.js\";\nimport iterableToArrayLimit from \"./iterableToArrayLimit.js\";\nimport unsupportedIterableToArray from \"./unsupportedIterableToArray.js\";\nimport nonIterableRest from \"./nonIterableRest.js\";\nexport default function _slicedToArray(arr, i) {\n return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();\n}","import getPrototypeOf from \"./getPrototypeOf.js\";\nexport default function _superPropBase(object, property) {\n while (!Object.prototype.hasOwnProperty.call(object, property)) {\n object = getPrototypeOf(object);\n if (object === null) break;\n }\n return object;\n}","import arrayWithHoles from \"./arrayWithHoles.js\";\nimport iterableToArray from \"./iterableToArray.js\";\nimport unsupportedIterableToArray from \"./unsupportedIterableToArray.js\";\nimport nonIterableRest from \"./nonIterableRest.js\";\nexport default function _toArray(arr) {\n return arrayWithHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableRest();\n}","import arrayWithoutHoles from \"./arrayWithoutHoles.js\";\nimport iterableToArray from \"./iterableToArray.js\";\nimport unsupportedIterableToArray from \"./unsupportedIterableToArray.js\";\nimport nonIterableSpread from \"./nonIterableSpread.js\";\nexport default function _toConsumableArray(arr) {\n return arrayWithoutHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableSpread();\n}","import _typeof from \"./typeof.js\";\nexport default function _toPrimitive(input, hint) {\n if (_typeof(input) !== \"object\" || input === null) return input;\n var prim = input[Symbol.toPrimitive];\n if (prim !== undefined) {\n var res = prim.call(input, hint || \"default\");\n if (_typeof(res) !== \"object\") return res;\n throw new TypeError(\"@@toPrimitive must return a primitive value.\");\n }\n return (hint === \"string\" ? String : Number)(input);\n}","import _typeof from \"./typeof.js\";\nimport toPrimitive from \"./toPrimitive.js\";\nexport default function _toPropertyKey(arg) {\n var key = toPrimitive(arg, \"string\");\n return _typeof(key) === \"symbol\" ? key : String(key);\n}","export default function _typeof(o) {\n \"@babel/helpers - typeof\";\n\n return _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (o) {\n return typeof o;\n } : function (o) {\n return o && \"function\" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? \"symbol\" : typeof o;\n }, _typeof(o);\n}","import arrayLikeToArray from \"./arrayLikeToArray.js\";\nexport default function _unsupportedIterableToArray(o, minLen) {\n if (!o) return;\n if (typeof o === \"string\") return arrayLikeToArray(o, minLen);\n var n = Object.prototype.toString.call(o).slice(8, -1);\n if (n === \"Object\" && o.constructor) n = o.constructor.name;\n if (n === \"Map\" || n === \"Set\") return Array.from(o);\n if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen);\n}","import getPrototypeOf from \"./getPrototypeOf.js\";\nimport setPrototypeOf from \"./setPrototypeOf.js\";\nimport isNativeFunction from \"./isNativeFunction.js\";\nimport construct from \"./construct.js\";\nexport default function _wrapNativeSuper(Class) {\n var _cache = typeof Map === \"function\" ? new Map() : undefined;\n _wrapNativeSuper = function _wrapNativeSuper(Class) {\n if (Class === null || !isNativeFunction(Class)) return Class;\n if (typeof Class !== \"function\") {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n if (typeof _cache !== \"undefined\") {\n if (_cache.has(Class)) return _cache.get(Class);\n _cache.set(Class, Wrapper);\n }\n function Wrapper() {\n return construct(Class, arguments, getPrototypeOf(this).constructor);\n }\n Wrapper.prototype = Object.create(Class.prototype, {\n constructor: {\n value: Wrapper,\n enumerable: false,\n writable: true,\n configurable: true\n }\n });\n return setPrototypeOf(Wrapper, Class);\n };\n return _wrapNativeSuper(Class);\n}","function _extends() {\n module.exports = _extends = Object.assign ? Object.assign.bind() : function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n return target;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _extends.apply(this, arguments);\n}\nmodule.exports = _extends, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _getPrototypeOf(o) {\n module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) {\n return o.__proto__ || Object.getPrototypeOf(o);\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _getPrototypeOf(o);\n}\nmodule.exports = _getPrototypeOf, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var setPrototypeOf = require(\"./setPrototypeOf.js\");\nfunction _inherits(subClass, superClass) {\n if (typeof superClass !== \"function\" && superClass !== null) {\n throw new TypeError(\"Super expression must either be null or a function\");\n }\n subClass.prototype = Object.create(superClass && superClass.prototype, {\n constructor: {\n value: subClass,\n writable: true,\n configurable: true\n }\n });\n Object.defineProperty(subClass, \"prototype\", {\n writable: false\n });\n if (superClass) setPrototypeOf(subClass, superClass);\n}\nmodule.exports = _inherits, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n try {\n Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\nmodule.exports = _isNativeReflectConstruct, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _iterableToArray(iter) {\n if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter);\n}\nmodule.exports = _iterableToArray, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _nonIterableSpread() {\n throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\");\n}\nmodule.exports = _nonIterableSpread, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var defineProperty = require(\"./defineProperty.js\");\nfunction ownKeys(e, r) {\n var t = Object.keys(e);\n if (Object.getOwnPropertySymbols) {\n var o = Object.getOwnPropertySymbols(e);\n r && (o = o.filter(function (r) {\n return Object.getOwnPropertyDescriptor(e, r).enumerable;\n })), t.push.apply(t, o);\n }\n return t;\n}\nfunction _objectSpread2(e) {\n for (var r = 1; r < arguments.length; r++) {\n var t = null != arguments[r] ? arguments[r] : {};\n r % 2 ? ownKeys(Object(t), !0).forEach(function (r) {\n defineProperty(e, r, t[r]);\n }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) {\n Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));\n });\n }\n return e;\n}\nmodule.exports = _objectSpread2, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var _typeof = require(\"./typeof.js\")[\"default\"];\nvar assertThisInitialized = require(\"./assertThisInitialized.js\");\nfunction _possibleConstructorReturn(self, call) {\n if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) {\n return call;\n } else if (call !== void 0) {\n throw new TypeError(\"Derived constructors may only return object or undefined\");\n }\n return assertThisInitialized(self);\n}\nmodule.exports = _possibleConstructorReturn, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _setPrototypeOf(o, p) {\n module.exports = _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {\n o.__proto__ = p;\n return o;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;\n return _setPrototypeOf(o, p);\n}\nmodule.exports = _setPrototypeOf, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var arrayWithoutHoles = require(\"./arrayWithoutHoles.js\");\nvar iterableToArray = require(\"./iterableToArray.js\");\nvar unsupportedIterableToArray = require(\"./unsupportedIterableToArray.js\");\nvar nonIterableSpread = require(\"./nonIterableSpread.js\");\nfunction _toConsumableArray(arr) {\n return arrayWithoutHoles(arr) || iterableToArray(arr) || unsupportedIterableToArray(arr) || nonIterableSpread();\n}\nmodule.exports = _toConsumableArray, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var _typeof = require(\"./typeof.js\")[\"default\"];\nfunction _toPrimitive(input, hint) {\n if (_typeof(input) !== \"object\" || input === null) return input;\n var prim = input[Symbol.toPrimitive];\n if (prim !== undefined) {\n var res = prim.call(input, hint || \"default\");\n if (_typeof(res) !== \"object\") return res;\n throw new TypeError(\"@@toPrimitive must return a primitive value.\");\n }\n return (hint === \"string\" ? String : Number)(input);\n}\nmodule.exports = _toPrimitive, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var _typeof = require(\"./typeof.js\")[\"default\"];\nvar toPrimitive = require(\"./toPrimitive.js\");\nfunction _toPropertyKey(arg) {\n var key = toPrimitive(arg, \"string\");\n return _typeof(key) === \"symbol\" ? key : String(key);\n}\nmodule.exports = _toPropertyKey, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","function _typeof(o) {\n \"@babel/helpers - typeof\";\n\n return (module.exports = _typeof = \"function\" == typeof Symbol && \"symbol\" == typeof Symbol.iterator ? function (o) {\n return typeof o;\n } : function (o) {\n return o && \"function\" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? \"symbol\" : typeof o;\n }, module.exports.__esModule = true, module.exports[\"default\"] = module.exports), _typeof(o);\n}\nmodule.exports = _typeof, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","var arrayLikeToArray = require(\"./arrayLikeToArray.js\");\nfunction _unsupportedIterableToArray(o, minLen) {\n if (!o) return;\n if (typeof o === \"string\") return arrayLikeToArray(o, minLen);\n var n = Object.prototype.toString.call(o).slice(8, -1);\n if (n === \"Object\" && o.constructor) n = o.constructor.name;\n if (n === \"Map\" || n === \"Set\") return Array.from(o);\n if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen);\n}\nmodule.exports = _unsupportedIterableToArray, module.exports.__esModule = true, module.exports[\"default\"] = module.exports;","/*!\n\tCopyright (c) 2018 Jed Watson.\n\tLicensed under the MIT License (MIT), see\n\thttp://jedwatson.github.io/classnames\n*/\n/* global define */\n\n(function () {\n\t'use strict';\n\n\tvar hasOwn = {}.hasOwnProperty;\n\tvar nativeCodeString = '[native code]';\n\n\tfunction classNames() {\n\t\tvar classes = [];\n\n\t\tfor (var i = 0; i < arguments.length; i++) {\n\t\t\tvar arg = arguments[i];\n\t\t\tif (!arg) continue;\n\n\t\t\tvar argType = typeof arg;\n\n\t\t\tif (argType === 'string' || argType === 'number') {\n\t\t\t\tclasses.push(arg);\n\t\t\t} else if (Array.isArray(arg)) {\n\t\t\t\tif (arg.length) {\n\t\t\t\t\tvar inner = classNames.apply(null, arg);\n\t\t\t\t\tif (inner) {\n\t\t\t\t\t\tclasses.push(inner);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} else if (argType === 'object') {\n\t\t\t\tif (arg.toString !== Object.prototype.toString && !arg.toString.toString().includes('[native code]')) {\n\t\t\t\t\tclasses.push(arg.toString());\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\n\t\t\t\tfor (var key in arg) {\n\t\t\t\t\tif (hasOwn.call(arg, key) && arg[key]) {\n\t\t\t\t\t\tclasses.push(key);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn classes.join(' ');\n\t}\n\n\tif (typeof module !== 'undefined' && module.exports) {\n\t\tclassNames.default = classNames;\n\t\tmodule.exports = classNames;\n\t} else if (typeof define === 'function' && typeof define.amd === 'object' && define.amd) {\n\t\t// register as 'classnames', consistent with npm package name\n\t\tdefine('classnames', [], function () {\n\t\t\treturn classNames;\n\t\t});\n\t} else {\n\t\twindow.classNames = classNames;\n\t}\n}());\n","import e from\"void-elements\";var t=/\\s([^'\"/\\s><]+?)[\\s/>]|([^\\s=]+)=\\s?(\".*?\"|'.*?')/g;function n(n){var r={type:\"tag\",name:\"\",voidElement:!1,attrs:{},children:[]},i=n.match(/<\\/?([^\\s]+?)[/\\s>]/);if(i&&(r.name=i[1],(e[i[1]]||\"/\"===n.charAt(n.length-2))&&(r.voidElement=!0),r.name.startsWith(\"!--\"))){var s=n.indexOf(\"--\\x3e\");return{type:\"comment\",comment:-1!==s?n.slice(4,s):\"\"}}for(var a=new RegExp(t),c=null;null!==(c=a.exec(n));)if(c[0].trim())if(c[1]){var o=c[1].trim(),l=[o,\"\"];o.indexOf(\"=\")>-1&&(l=o.split(\"=\")),r.attrs[l[0]]=l[1],a.lastIndex--}else c[2]&&(r.attrs[c[2]]=c[3].trim().substring(1,c[3].length-1));return r}var r=/<[a-zA-Z0-9\\-\\!\\/](?:\"[^\"]*\"|'[^']*'|[^'\">])*>/g,i=/^\\s*$/,s=Object.create(null);function a(e,t){switch(t.type){case\"text\":return e+t.content;case\"tag\":return e+=\"<\"+t.name+(t.attrs?function(e){var t=[];for(var n in e)t.push(n+'=\"'+e[n]+'\"');return t.length?\" \"+t.join(\" \"):\"\"}(t.attrs):\"\")+(t.voidElement?\"/>\":\">\"),t.voidElement?e:e+t.children.reduce(a,\"\")+\"</\"+t.name+\">\";case\"comment\":return e+\"\\x3c!--\"+t.comment+\"--\\x3e\"}}var c={parse:function(e,t){t||(t={}),t.components||(t.components=s);var a,c=[],o=[],l=-1,m=!1;if(0!==e.indexOf(\"<\")){var u=e.indexOf(\"<\");c.push({type:\"text\",content:-1===u?e:e.substring(0,u)})}return e.replace(r,function(r,s){if(m){if(r!==\"</\"+a.name+\">\")return;m=!1}var u,f=\"/\"!==r.charAt(1),h=r.startsWith(\"\\x3c!--\"),p=s+r.length,d=e.charAt(p);if(h){var v=n(r);return l<0?(c.push(v),c):((u=o[l]).children.push(v),c)}if(f&&(l++,\"tag\"===(a=n(r)).type&&t.components[a.name]&&(a.type=\"component\",m=!0),a.voidElement||m||!d||\"<\"===d||a.children.push({type:\"text\",content:e.slice(p,e.indexOf(\"<\",p))}),0===l&&c.push(a),(u=o[l-1])&&u.children.push(a),o[l]=a),(!f||a.voidElement)&&(l>-1&&(a.voidElement||a.name===r.slice(2,-1))&&(l--,a=-1===l?c:o[l]),!m&&\"<\"!==d&&d)){u=-1===l?c:o[l].children;var x=e.indexOf(\"<\",p),g=e.slice(p,-1===x?void 0:x);i.test(g)&&(g=\" \"),(x>-1&&l+u.length>=0||\" \"!==g)&&u.push({type:\"text\",content:g})}}),c},stringify:function(e){return e.reduce(function(e,t){return e+a(\"\",t)},\"\")}};export default c;\n//# sourceMappingURL=html-parse-stringify.module.js.map\n","import _classCallCheck from '@babel/runtime/helpers/esm/classCallCheck';\nimport _createClass from '@babel/runtime/helpers/esm/createClass';\n\nvar arr = [];\nvar each = arr.forEach;\nvar slice = arr.slice;\nfunction defaults(obj) {\n each.call(slice.call(arguments, 1), function (source) {\n if (source) {\n for (var prop in source) {\n if (obj[prop] === undefined) obj[prop] = source[prop];\n }\n }\n });\n return obj;\n}\n\n// eslint-disable-next-line no-control-regex\nvar fieldContentRegExp = /^[\\u0009\\u0020-\\u007e\\u0080-\\u00ff]+$/;\nvar serializeCookie = function serializeCookie(name, val, options) {\n var opt = options || {};\n opt.path = opt.path || '/';\n var value = encodeURIComponent(val);\n var str = \"\".concat(name, \"=\").concat(value);\n if (opt.maxAge > 0) {\n var maxAge = opt.maxAge - 0;\n if (Number.isNaN(maxAge)) throw new Error('maxAge should be a Number');\n str += \"; Max-Age=\".concat(Math.floor(maxAge));\n }\n if (opt.domain) {\n if (!fieldContentRegExp.test(opt.domain)) {\n throw new TypeError('option domain is invalid');\n }\n str += \"; Domain=\".concat(opt.domain);\n }\n if (opt.path) {\n if (!fieldContentRegExp.test(opt.path)) {\n throw new TypeError('option path is invalid');\n }\n str += \"; Path=\".concat(opt.path);\n }\n if (opt.expires) {\n if (typeof opt.expires.toUTCString !== 'function') {\n throw new TypeError('option expires is invalid');\n }\n str += \"; Expires=\".concat(opt.expires.toUTCString());\n }\n if (opt.httpOnly) str += '; HttpOnly';\n if (opt.secure) str += '; Secure';\n if (opt.sameSite) {\n var sameSite = typeof opt.sameSite === 'string' ? opt.sameSite.toLowerCase() : opt.sameSite;\n switch (sameSite) {\n case true:\n str += '; SameSite=Strict';\n break;\n case 'lax':\n str += '; SameSite=Lax';\n break;\n case 'strict':\n str += '; SameSite=Strict';\n break;\n case 'none':\n str += '; SameSite=None';\n break;\n default:\n throw new TypeError('option sameSite is invalid');\n }\n }\n return str;\n};\nvar cookie = {\n create: function create(name, value, minutes, domain) {\n var cookieOptions = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {\n path: '/',\n sameSite: 'strict'\n };\n if (minutes) {\n cookieOptions.expires = new Date();\n cookieOptions.expires.setTime(cookieOptions.expires.getTime() + minutes * 60 * 1000);\n }\n if (domain) cookieOptions.domain = domain;\n document.cookie = serializeCookie(name, encodeURIComponent(value), cookieOptions);\n },\n read: function read(name) {\n var nameEQ = \"\".concat(name, \"=\");\n var ca = document.cookie.split(';');\n for (var i = 0; i < ca.length; i++) {\n var c = ca[i];\n while (c.charAt(0) === ' ') {\n c = c.substring(1, c.length);\n }\n if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);\n }\n return null;\n },\n remove: function remove(name) {\n this.create(name, '', -1);\n }\n};\nvar cookie$1 = {\n name: 'cookie',\n lookup: function lookup(options) {\n var found;\n if (options.lookupCookie && typeof document !== 'undefined') {\n var c = cookie.read(options.lookupCookie);\n if (c) found = c;\n }\n return found;\n },\n cacheUserLanguage: function cacheUserLanguage(lng, options) {\n if (options.lookupCookie && typeof document !== 'undefined') {\n cookie.create(options.lookupCookie, lng, options.cookieMinutes, options.cookieDomain, options.cookieOptions);\n }\n }\n};\n\nvar querystring = {\n name: 'querystring',\n lookup: function lookup(options) {\n var found;\n if (typeof window !== 'undefined') {\n var search = window.location.search;\n if (!window.location.search && window.location.hash && window.location.hash.indexOf('?') > -1) {\n search = window.location.hash.substring(window.location.hash.indexOf('?'));\n }\n var query = search.substring(1);\n var params = query.split('&');\n for (var i = 0; i < params.length; i++) {\n var pos = params[i].indexOf('=');\n if (pos > 0) {\n var key = params[i].substring(0, pos);\n if (key === options.lookupQuerystring) {\n found = params[i].substring(pos + 1);\n }\n }\n }\n }\n return found;\n }\n};\n\nvar hasLocalStorageSupport = null;\nvar localStorageAvailable = function localStorageAvailable() {\n if (hasLocalStorageSupport !== null) return hasLocalStorageSupport;\n try {\n hasLocalStorageSupport = window !== 'undefined' && window.localStorage !== null;\n var testKey = 'i18next.translate.boo';\n window.localStorage.setItem(testKey, 'foo');\n window.localStorage.removeItem(testKey);\n } catch (e) {\n hasLocalStorageSupport = false;\n }\n return hasLocalStorageSupport;\n};\nvar localStorage = {\n name: 'localStorage',\n lookup: function lookup(options) {\n var found;\n if (options.lookupLocalStorage && localStorageAvailable()) {\n var lng = window.localStorage.getItem(options.lookupLocalStorage);\n if (lng) found = lng;\n }\n return found;\n },\n cacheUserLanguage: function cacheUserLanguage(lng, options) {\n if (options.lookupLocalStorage && localStorageAvailable()) {\n window.localStorage.setItem(options.lookupLocalStorage, lng);\n }\n }\n};\n\nvar hasSessionStorageSupport = null;\nvar sessionStorageAvailable = function sessionStorageAvailable() {\n if (hasSessionStorageSupport !== null) return hasSessionStorageSupport;\n try {\n hasSessionStorageSupport = window !== 'undefined' && window.sessionStorage !== null;\n var testKey = 'i18next.translate.boo';\n window.sessionStorage.setItem(testKey, 'foo');\n window.sessionStorage.removeItem(testKey);\n } catch (e) {\n hasSessionStorageSupport = false;\n }\n return hasSessionStorageSupport;\n};\nvar sessionStorage = {\n name: 'sessionStorage',\n lookup: function lookup(options) {\n var found;\n if (options.lookupSessionStorage && sessionStorageAvailable()) {\n var lng = window.sessionStorage.getItem(options.lookupSessionStorage);\n if (lng) found = lng;\n }\n return found;\n },\n cacheUserLanguage: function cacheUserLanguage(lng, options) {\n if (options.lookupSessionStorage && sessionStorageAvailable()) {\n window.sessionStorage.setItem(options.lookupSessionStorage, lng);\n }\n }\n};\n\nvar navigator$1 = {\n name: 'navigator',\n lookup: function lookup(options) {\n var found = [];\n if (typeof navigator !== 'undefined') {\n if (navigator.languages) {\n // chrome only; not an array, so can't use .push.apply instead of iterating\n for (var i = 0; i < navigator.languages.length; i++) {\n found.push(navigator.languages[i]);\n }\n }\n if (navigator.userLanguage) {\n found.push(navigator.userLanguage);\n }\n if (navigator.language) {\n found.push(navigator.language);\n }\n }\n return found.length > 0 ? found : undefined;\n }\n};\n\nvar htmlTag = {\n name: 'htmlTag',\n lookup: function lookup(options) {\n var found;\n var htmlTag = options.htmlTag || (typeof document !== 'undefined' ? document.documentElement : null);\n if (htmlTag && typeof htmlTag.getAttribute === 'function') {\n found = htmlTag.getAttribute('lang');\n }\n return found;\n }\n};\n\nvar path = {\n name: 'path',\n lookup: function lookup(options) {\n var found;\n if (typeof window !== 'undefined') {\n var language = window.location.pathname.match(/\\/([a-zA-Z-]*)/g);\n if (language instanceof Array) {\n if (typeof options.lookupFromPathIndex === 'number') {\n if (typeof language[options.lookupFromPathIndex] !== 'string') {\n return undefined;\n }\n found = language[options.lookupFromPathIndex].replace('/', '');\n } else {\n found = language[0].replace('/', '');\n }\n }\n }\n return found;\n }\n};\n\nvar subdomain = {\n name: 'subdomain',\n lookup: function lookup(options) {\n // If given get the subdomain index else 1\n var lookupFromSubdomainIndex = typeof options.lookupFromSubdomainIndex === 'number' ? options.lookupFromSubdomainIndex + 1 : 1;\n // get all matches if window.location. is existing\n // first item of match is the match itself and the second is the first group macht which sould be the first subdomain match\n // is the hostname no public domain get the or option of localhost\n var language = typeof window !== 'undefined' && window.location && window.location.hostname && window.location.hostname.match(/^(\\w{2,5})\\.(([a-z0-9-]{1,63}\\.[a-z]{2,6})|localhost)/i);\n\n // if there is no match (null) return undefined\n if (!language) return undefined;\n // return the given group match\n return language[lookupFromSubdomainIndex];\n }\n};\n\nfunction getDefaults() {\n return {\n order: ['querystring', 'cookie', 'localStorage', 'sessionStorage', 'navigator', 'htmlTag'],\n lookupQuerystring: 'lng',\n lookupCookie: 'i18next',\n lookupLocalStorage: 'i18nextLng',\n lookupSessionStorage: 'i18nextLng',\n // cache user language\n caches: ['localStorage'],\n excludeCacheFor: ['cimode'],\n // cookieMinutes: 10,\n // cookieDomain: 'myDomain'\n\n convertDetectedLanguage: function convertDetectedLanguage(l) {\n return l;\n }\n };\n}\nvar Browser = /*#__PURE__*/function () {\n function Browser(services) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n _classCallCheck(this, Browser);\n this.type = 'languageDetector';\n this.detectors = {};\n this.init(services, options);\n }\n _createClass(Browser, [{\n key: \"init\",\n value: function init(services) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var i18nOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n this.services = services || {\n languageUtils: {}\n }; // this way the language detector can be used without i18next\n this.options = defaults(options, this.options || {}, getDefaults());\n if (typeof this.options.convertDetectedLanguage === 'string' && this.options.convertDetectedLanguage.indexOf('15897') > -1) {\n this.options.convertDetectedLanguage = function (l) {\n return l.replace('-', '_');\n };\n }\n\n // backwards compatibility\n if (this.options.lookupFromUrlIndex) this.options.lookupFromPathIndex = this.options.lookupFromUrlIndex;\n this.i18nOptions = i18nOptions;\n this.addDetector(cookie$1);\n this.addDetector(querystring);\n this.addDetector(localStorage);\n this.addDetector(sessionStorage);\n this.addDetector(navigator$1);\n this.addDetector(htmlTag);\n this.addDetector(path);\n this.addDetector(subdomain);\n }\n }, {\n key: \"addDetector\",\n value: function addDetector(detector) {\n this.detectors[detector.name] = detector;\n }\n }, {\n key: \"detect\",\n value: function detect(detectionOrder) {\n var _this = this;\n if (!detectionOrder) detectionOrder = this.options.order;\n var detected = [];\n detectionOrder.forEach(function (detectorName) {\n if (_this.detectors[detectorName]) {\n var lookup = _this.detectors[detectorName].lookup(_this.options);\n if (lookup && typeof lookup === 'string') lookup = [lookup];\n if (lookup) detected = detected.concat(lookup);\n }\n });\n detected = detected.map(function (d) {\n return _this.options.convertDetectedLanguage(d);\n });\n if (this.services.languageUtils.getBestMatchFromCodes) return detected; // new i18next v19.5.0\n return detected.length > 0 ? detected[0] : null; // a little backward compatibility\n }\n }, {\n key: \"cacheUserLanguage\",\n value: function cacheUserLanguage(lng, caches) {\n var _this2 = this;\n if (!caches) caches = this.options.caches;\n if (!caches) return;\n if (this.options.excludeCacheFor && this.options.excludeCacheFor.indexOf(lng) > -1) return;\n caches.forEach(function (cacheName) {\n if (_this2.detectors[cacheName]) _this2.detectors[cacheName].cacheUserLanguage(lng, _this2.options);\n });\n }\n }]);\n return Browser;\n}();\nBrowser.type = 'languageDetector';\n\nexport { Browser as default };\n","const consoleLogger = {\n type: 'logger',\n log(args) {\n this.output('log', args);\n },\n warn(args) {\n this.output('warn', args);\n },\n error(args) {\n this.output('error', args);\n },\n output(type, args) {\n if (console && console[type]) console[type].apply(console, args);\n }\n};\nclass Logger {\n constructor(concreteLogger) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n this.init(concreteLogger, options);\n }\n init(concreteLogger) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n this.prefix = options.prefix || 'i18next:';\n this.logger = concreteLogger || consoleLogger;\n this.options = options;\n this.debug = options.debug;\n }\n log() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n return this.forward(args, 'log', '', true);\n }\n warn() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n return this.forward(args, 'warn', '', true);\n }\n error() {\n for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n args[_key3] = arguments[_key3];\n }\n return this.forward(args, 'error', '');\n }\n deprecate() {\n for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n args[_key4] = arguments[_key4];\n }\n return this.forward(args, 'warn', 'WARNING DEPRECATED: ', true);\n }\n forward(args, lvl, prefix, debugOnly) {\n if (debugOnly && !this.debug) return null;\n if (typeof args[0] === 'string') args[0] = `${prefix}${this.prefix} ${args[0]}`;\n return this.logger[lvl](args);\n }\n create(moduleName) {\n return new Logger(this.logger, {\n ...{\n prefix: `${this.prefix}:${moduleName}:`\n },\n ...this.options\n });\n }\n clone(options) {\n options = options || this.options;\n options.prefix = options.prefix || this.prefix;\n return new Logger(this.logger, options);\n }\n}\nvar baseLogger = new Logger();\n\nclass EventEmitter {\n constructor() {\n this.observers = {};\n }\n on(events, listener) {\n events.split(' ').forEach(event => {\n this.observers[event] = this.observers[event] || [];\n this.observers[event].push(listener);\n });\n return this;\n }\n off(event, listener) {\n if (!this.observers[event]) return;\n if (!listener) {\n delete this.observers[event];\n return;\n }\n this.observers[event] = this.observers[event].filter(l => l !== listener);\n }\n emit(event) {\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n if (this.observers[event]) {\n const cloned = [].concat(this.observers[event]);\n cloned.forEach(observer => {\n observer(...args);\n });\n }\n if (this.observers['*']) {\n const cloned = [].concat(this.observers['*']);\n cloned.forEach(observer => {\n observer.apply(observer, [event, ...args]);\n });\n }\n }\n}\n\nfunction defer() {\n let res;\n let rej;\n const promise = new Promise((resolve, reject) => {\n res = resolve;\n rej = reject;\n });\n promise.resolve = res;\n promise.reject = rej;\n return promise;\n}\nfunction makeString(object) {\n if (object == null) return '';\n return '' + object;\n}\nfunction copy(a, s, t) {\n a.forEach(m => {\n if (s[m]) t[m] = s[m];\n });\n}\nfunction getLastOfPath(object, path, Empty) {\n function cleanKey(key) {\n return key && key.indexOf('###') > -1 ? key.replace(/###/g, '.') : key;\n }\n function canNotTraverseDeeper() {\n return !object || typeof object === 'string';\n }\n const stack = typeof path !== 'string' ? [].concat(path) : path.split('.');\n while (stack.length > 1) {\n if (canNotTraverseDeeper()) return {};\n const key = cleanKey(stack.shift());\n if (!object[key] && Empty) object[key] = new Empty();\n if (Object.prototype.hasOwnProperty.call(object, key)) {\n object = object[key];\n } else {\n object = {};\n }\n }\n if (canNotTraverseDeeper()) return {};\n return {\n obj: object,\n k: cleanKey(stack.shift())\n };\n}\nfunction setPath(object, path, newValue) {\n const {\n obj,\n k\n } = getLastOfPath(object, path, Object);\n obj[k] = newValue;\n}\nfunction pushPath(object, path, newValue, concat) {\n const {\n obj,\n k\n } = getLastOfPath(object, path, Object);\n obj[k] = obj[k] || [];\n if (concat) obj[k] = obj[k].concat(newValue);\n if (!concat) obj[k].push(newValue);\n}\nfunction getPath(object, path) {\n const {\n obj,\n k\n } = getLastOfPath(object, path);\n if (!obj) return undefined;\n return obj[k];\n}\nfunction getPathWithDefaults(data, defaultData, key) {\n const value = getPath(data, key);\n if (value !== undefined) {\n return value;\n }\n return getPath(defaultData, key);\n}\nfunction deepExtend(target, source, overwrite) {\n for (const prop in source) {\n if (prop !== '__proto__' && prop !== 'constructor') {\n if (prop in target) {\n if (typeof target[prop] === 'string' || target[prop] instanceof String || typeof source[prop] === 'string' || source[prop] instanceof String) {\n if (overwrite) target[prop] = source[prop];\n } else {\n deepExtend(target[prop], source[prop], overwrite);\n }\n } else {\n target[prop] = source[prop];\n }\n }\n }\n return target;\n}\nfunction regexEscape(str) {\n return str.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, '\\\\$&');\n}\nvar _entityMap = {\n '&': '&amp;',\n '<': '&lt;',\n '>': '&gt;',\n '\"': '&quot;',\n \"'\": '&#39;',\n '/': '&#x2F;'\n};\nfunction escape(data) {\n if (typeof data === 'string') {\n return data.replace(/[&<>\"'\\/]/g, s => _entityMap[s]);\n }\n return data;\n}\nconst chars = [' ', ',', '?', '!', ';'];\nfunction looksLikeObjectPath(key, nsSeparator, keySeparator) {\n nsSeparator = nsSeparator || '';\n keySeparator = keySeparator || '';\n const possibleChars = chars.filter(c => nsSeparator.indexOf(c) < 0 && keySeparator.indexOf(c) < 0);\n if (possibleChars.length === 0) return true;\n const r = new RegExp(`(${possibleChars.map(c => c === '?' ? '\\\\?' : c).join('|')})`);\n let matched = !r.test(key);\n if (!matched) {\n const ki = key.indexOf(keySeparator);\n if (ki > 0 && !r.test(key.substring(0, ki))) {\n matched = true;\n }\n }\n return matched;\n}\nfunction deepFind(obj, path) {\n let keySeparator = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '.';\n if (!obj) return undefined;\n if (obj[path]) return obj[path];\n const paths = path.split(keySeparator);\n let current = obj;\n for (let i = 0; i < paths.length; ++i) {\n if (!current) return undefined;\n if (typeof current[paths[i]] === 'string' && i + 1 < paths.length) {\n return undefined;\n }\n if (current[paths[i]] === undefined) {\n let j = 2;\n let p = paths.slice(i, i + j).join(keySeparator);\n let mix = current[p];\n while (mix === undefined && paths.length > i + j) {\n j++;\n p = paths.slice(i, i + j).join(keySeparator);\n mix = current[p];\n }\n if (mix === undefined) return undefined;\n if (mix === null) return null;\n if (path.endsWith(p)) {\n if (typeof mix === 'string') return mix;\n if (p && typeof mix[p] === 'string') return mix[p];\n }\n const joinedPath = paths.slice(i + j).join(keySeparator);\n if (joinedPath) return deepFind(mix, joinedPath, keySeparator);\n return undefined;\n }\n current = current[paths[i]];\n }\n return current;\n}\nfunction getCleanedCode(code) {\n if (code && code.indexOf('_') > 0) return code.replace('_', '-');\n return code;\n}\n\nclass ResourceStore extends EventEmitter {\n constructor(data) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n ns: ['translation'],\n defaultNS: 'translation'\n };\n super();\n this.data = data || {};\n this.options = options;\n if (this.options.keySeparator === undefined) {\n this.options.keySeparator = '.';\n }\n if (this.options.ignoreJSONStructure === undefined) {\n this.options.ignoreJSONStructure = true;\n }\n }\n addNamespaces(ns) {\n if (this.options.ns.indexOf(ns) < 0) {\n this.options.ns.push(ns);\n }\n }\n removeNamespaces(ns) {\n const index = this.options.ns.indexOf(ns);\n if (index > -1) {\n this.options.ns.splice(index, 1);\n }\n }\n getResource(lng, ns, key) {\n let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;\n const ignoreJSONStructure = options.ignoreJSONStructure !== undefined ? options.ignoreJSONStructure : this.options.ignoreJSONStructure;\n let path = [lng, ns];\n if (key && typeof key !== 'string') path = path.concat(key);\n if (key && typeof key === 'string') path = path.concat(keySeparator ? key.split(keySeparator) : key);\n if (lng.indexOf('.') > -1) {\n path = lng.split('.');\n }\n const result = getPath(this.data, path);\n if (result || !ignoreJSONStructure || typeof key !== 'string') return result;\n return deepFind(this.data && this.data[lng] && this.data[lng][ns], key, keySeparator);\n }\n addResource(lng, ns, key, value) {\n let options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {\n silent: false\n };\n const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;\n let path = [lng, ns];\n if (key) path = path.concat(keySeparator ? key.split(keySeparator) : key);\n if (lng.indexOf('.') > -1) {\n path = lng.split('.');\n value = ns;\n ns = path[1];\n }\n this.addNamespaces(ns);\n setPath(this.data, path, value);\n if (!options.silent) this.emit('added', lng, ns, key, value);\n }\n addResources(lng, ns, resources) {\n let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {\n silent: false\n };\n for (const m in resources) {\n if (typeof resources[m] === 'string' || Object.prototype.toString.apply(resources[m]) === '[object Array]') this.addResource(lng, ns, m, resources[m], {\n silent: true\n });\n }\n if (!options.silent) this.emit('added', lng, ns, resources);\n }\n addResourceBundle(lng, ns, resources, deep, overwrite) {\n let options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {\n silent: false\n };\n let path = [lng, ns];\n if (lng.indexOf('.') > -1) {\n path = lng.split('.');\n deep = resources;\n resources = ns;\n ns = path[1];\n }\n this.addNamespaces(ns);\n let pack = getPath(this.data, path) || {};\n if (deep) {\n deepExtend(pack, resources, overwrite);\n } else {\n pack = {\n ...pack,\n ...resources\n };\n }\n setPath(this.data, path, pack);\n if (!options.silent) this.emit('added', lng, ns, resources);\n }\n removeResourceBundle(lng, ns) {\n if (this.hasResourceBundle(lng, ns)) {\n delete this.data[lng][ns];\n }\n this.removeNamespaces(ns);\n this.emit('removed', lng, ns);\n }\n hasResourceBundle(lng, ns) {\n return this.getResource(lng, ns) !== undefined;\n }\n getResourceBundle(lng, ns) {\n if (!ns) ns = this.options.defaultNS;\n if (this.options.compatibilityAPI === 'v1') return {\n ...{},\n ...this.getResource(lng, ns)\n };\n return this.getResource(lng, ns);\n }\n getDataByLanguage(lng) {\n return this.data[lng];\n }\n hasLanguageSomeTranslations(lng) {\n const data = this.getDataByLanguage(lng);\n const n = data && Object.keys(data) || [];\n return !!n.find(v => data[v] && Object.keys(data[v]).length > 0);\n }\n toJSON() {\n return this.data;\n }\n}\n\nvar postProcessor = {\n processors: {},\n addPostProcessor(module) {\n this.processors[module.name] = module;\n },\n handle(processors, value, key, options, translator) {\n processors.forEach(processor => {\n if (this.processors[processor]) value = this.processors[processor].process(value, key, options, translator);\n });\n return value;\n }\n};\n\nconst checkedLoadedFor = {};\nclass Translator extends EventEmitter {\n constructor(services) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n super();\n copy(['resourceStore', 'languageUtils', 'pluralResolver', 'interpolator', 'backendConnector', 'i18nFormat', 'utils'], services, this);\n this.options = options;\n if (this.options.keySeparator === undefined) {\n this.options.keySeparator = '.';\n }\n this.logger = baseLogger.create('translator');\n }\n changeLanguage(lng) {\n if (lng) this.language = lng;\n }\n exists(key) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n interpolation: {}\n };\n if (key === undefined || key === null) {\n return false;\n }\n const resolved = this.resolve(key, options);\n return resolved && resolved.res !== undefined;\n }\n extractFromKey(key, options) {\n let nsSeparator = options.nsSeparator !== undefined ? options.nsSeparator : this.options.nsSeparator;\n if (nsSeparator === undefined) nsSeparator = ':';\n const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;\n let namespaces = options.ns || this.options.defaultNS || [];\n const wouldCheckForNsInKey = nsSeparator && key.indexOf(nsSeparator) > -1;\n const seemsNaturalLanguage = !this.options.userDefinedKeySeparator && !options.keySeparator && !this.options.userDefinedNsSeparator && !options.nsSeparator && !looksLikeObjectPath(key, nsSeparator, keySeparator);\n if (wouldCheckForNsInKey && !seemsNaturalLanguage) {\n const m = key.match(this.interpolator.nestingRegexp);\n if (m && m.length > 0) {\n return {\n key,\n namespaces\n };\n }\n const parts = key.split(nsSeparator);\n if (nsSeparator !== keySeparator || nsSeparator === keySeparator && this.options.ns.indexOf(parts[0]) > -1) namespaces = parts.shift();\n key = parts.join(keySeparator);\n }\n if (typeof namespaces === 'string') namespaces = [namespaces];\n return {\n key,\n namespaces\n };\n }\n translate(keys, options, lastKey) {\n if (typeof options !== 'object' && this.options.overloadTranslationOptionHandler) {\n options = this.options.overloadTranslationOptionHandler(arguments);\n }\n if (typeof options === 'object') options = {\n ...options\n };\n if (!options) options = {};\n if (keys === undefined || keys === null) return '';\n if (!Array.isArray(keys)) keys = [String(keys)];\n const returnDetails = options.returnDetails !== undefined ? options.returnDetails : this.options.returnDetails;\n const keySeparator = options.keySeparator !== undefined ? options.keySeparator : this.options.keySeparator;\n const {\n key,\n namespaces\n } = this.extractFromKey(keys[keys.length - 1], options);\n const namespace = namespaces[namespaces.length - 1];\n const lng = options.lng || this.language;\n const appendNamespaceToCIMode = options.appendNamespaceToCIMode || this.options.appendNamespaceToCIMode;\n if (lng && lng.toLowerCase() === 'cimode') {\n if (appendNamespaceToCIMode) {\n const nsSeparator = options.nsSeparator || this.options.nsSeparator;\n if (returnDetails) {\n return {\n res: `${namespace}${nsSeparator}${key}`,\n usedKey: key,\n exactUsedKey: key,\n usedLng: lng,\n usedNS: namespace\n };\n }\n return `${namespace}${nsSeparator}${key}`;\n }\n if (returnDetails) {\n return {\n res: key,\n usedKey: key,\n exactUsedKey: key,\n usedLng: lng,\n usedNS: namespace\n };\n }\n return key;\n }\n const resolved = this.resolve(keys, options);\n let res = resolved && resolved.res;\n const resUsedKey = resolved && resolved.usedKey || key;\n const resExactUsedKey = resolved && resolved.exactUsedKey || key;\n const resType = Object.prototype.toString.apply(res);\n const noObject = ['[object Number]', '[object Function]', '[object RegExp]'];\n const joinArrays = options.joinArrays !== undefined ? options.joinArrays : this.options.joinArrays;\n const handleAsObjectInI18nFormat = !this.i18nFormat || this.i18nFormat.handleAsObject;\n const handleAsObject = typeof res !== 'string' && typeof res !== 'boolean' && typeof res !== 'number';\n if (handleAsObjectInI18nFormat && res && handleAsObject && noObject.indexOf(resType) < 0 && !(typeof joinArrays === 'string' && resType === '[object Array]')) {\n if (!options.returnObjects && !this.options.returnObjects) {\n if (!this.options.returnedObjectHandler) {\n this.logger.warn('accessing an object - but returnObjects options is not enabled!');\n }\n const r = this.options.returnedObjectHandler ? this.options.returnedObjectHandler(resUsedKey, res, {\n ...options,\n ns: namespaces\n }) : `key '${key} (${this.language})' returned an object instead of string.`;\n if (returnDetails) {\n resolved.res = r;\n return resolved;\n }\n return r;\n }\n if (keySeparator) {\n const resTypeIsArray = resType === '[object Array]';\n const copy = resTypeIsArray ? [] : {};\n const newKeyToUse = resTypeIsArray ? resExactUsedKey : resUsedKey;\n for (const m in res) {\n if (Object.prototype.hasOwnProperty.call(res, m)) {\n const deepKey = `${newKeyToUse}${keySeparator}${m}`;\n copy[m] = this.translate(deepKey, {\n ...options,\n ...{\n joinArrays: false,\n ns: namespaces\n }\n });\n if (copy[m] === deepKey) copy[m] = res[m];\n }\n }\n res = copy;\n }\n } else if (handleAsObjectInI18nFormat && typeof joinArrays === 'string' && resType === '[object Array]') {\n res = res.join(joinArrays);\n if (res) res = this.extendTranslation(res, keys, options, lastKey);\n } else {\n let usedDefault = false;\n let usedKey = false;\n const needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';\n const hasDefaultValue = Translator.hasDefaultValue(options);\n const defaultValueSuffix = needsPluralHandling ? this.pluralResolver.getSuffix(lng, options.count, options) : '';\n const defaultValueSuffixOrdinalFallback = options.ordinal && needsPluralHandling ? this.pluralResolver.getSuffix(lng, options.count, {\n ordinal: false\n }) : '';\n const defaultValue = options[`defaultValue${defaultValueSuffix}`] || options[`defaultValue${defaultValueSuffixOrdinalFallback}`] || options.defaultValue;\n if (!this.isValidLookup(res) && hasDefaultValue) {\n usedDefault = true;\n res = defaultValue;\n }\n if (!this.isValidLookup(res)) {\n usedKey = true;\n res = key;\n }\n const missingKeyNoValueFallbackToKey = options.missingKeyNoValueFallbackToKey || this.options.missingKeyNoValueFallbackToKey;\n const resForMissing = missingKeyNoValueFallbackToKey && usedKey ? undefined : res;\n const updateMissing = hasDefaultValue && defaultValue !== res && this.options.updateMissing;\n if (usedKey || usedDefault || updateMissing) {\n this.logger.log(updateMissing ? 'updateKey' : 'missingKey', lng, namespace, key, updateMissing ? defaultValue : res);\n if (keySeparator) {\n const fk = this.resolve(key, {\n ...options,\n keySeparator: false\n });\n if (fk && fk.res) this.logger.warn('Seems the loaded translations were in flat JSON format instead of nested. Either set keySeparator: false on init or make sure your translations are published in nested format.');\n }\n let lngs = [];\n const fallbackLngs = this.languageUtils.getFallbackCodes(this.options.fallbackLng, options.lng || this.language);\n if (this.options.saveMissingTo === 'fallback' && fallbackLngs && fallbackLngs[0]) {\n for (let i = 0; i < fallbackLngs.length; i++) {\n lngs.push(fallbackLngs[i]);\n }\n } else if (this.options.saveMissingTo === 'all') {\n lngs = this.languageUtils.toResolveHierarchy(options.lng || this.language);\n } else {\n lngs.push(options.lng || this.language);\n }\n const send = (l, k, specificDefaultValue) => {\n const defaultForMissing = hasDefaultValue && specificDefaultValue !== res ? specificDefaultValue : resForMissing;\n if (this.options.missingKeyHandler) {\n this.options.missingKeyHandler(l, namespace, k, defaultForMissing, updateMissing, options);\n } else if (this.backendConnector && this.backendConnector.saveMissing) {\n this.backendConnector.saveMissing(l, namespace, k, defaultForMissing, updateMissing, options);\n }\n this.emit('missingKey', l, namespace, k, res);\n };\n if (this.options.saveMissing) {\n if (this.options.saveMissingPlurals && needsPluralHandling) {\n lngs.forEach(language => {\n this.pluralResolver.getSuffixes(language, options).forEach(suffix => {\n send([language], key + suffix, options[`defaultValue${suffix}`] || defaultValue);\n });\n });\n } else {\n send(lngs, key, defaultValue);\n }\n }\n }\n res = this.extendTranslation(res, keys, options, resolved, lastKey);\n if (usedKey && res === key && this.options.appendNamespaceToMissingKey) res = `${namespace}:${key}`;\n if ((usedKey || usedDefault) && this.options.parseMissingKeyHandler) {\n if (this.options.compatibilityAPI !== 'v1') {\n res = this.options.parseMissingKeyHandler(this.options.appendNamespaceToMissingKey ? `${namespace}:${key}` : key, usedDefault ? res : undefined);\n } else {\n res = this.options.parseMissingKeyHandler(res);\n }\n }\n }\n if (returnDetails) {\n resolved.res = res;\n return resolved;\n }\n return res;\n }\n extendTranslation(res, key, options, resolved, lastKey) {\n var _this = this;\n if (this.i18nFormat && this.i18nFormat.parse) {\n res = this.i18nFormat.parse(res, {\n ...this.options.interpolation.defaultVariables,\n ...options\n }, options.lng || this.language || resolved.usedLng, resolved.usedNS, resolved.usedKey, {\n resolved\n });\n } else if (!options.skipInterpolation) {\n if (options.interpolation) this.interpolator.init({\n ...options,\n ...{\n interpolation: {\n ...this.options.interpolation,\n ...options.interpolation\n }\n }\n });\n const skipOnVariables = typeof res === 'string' && (options && options.interpolation && options.interpolation.skipOnVariables !== undefined ? options.interpolation.skipOnVariables : this.options.interpolation.skipOnVariables);\n let nestBef;\n if (skipOnVariables) {\n const nb = res.match(this.interpolator.nestingRegexp);\n nestBef = nb && nb.length;\n }\n let data = options.replace && typeof options.replace !== 'string' ? options.replace : options;\n if (this.options.interpolation.defaultVariables) data = {\n ...this.options.interpolation.defaultVariables,\n ...data\n };\n res = this.interpolator.interpolate(res, data, options.lng || this.language, options);\n if (skipOnVariables) {\n const na = res.match(this.interpolator.nestingRegexp);\n const nestAft = na && na.length;\n if (nestBef < nestAft) options.nest = false;\n }\n if (!options.lng && this.options.compatibilityAPI !== 'v1' && resolved && resolved.res) options.lng = resolved.usedLng;\n if (options.nest !== false) res = this.interpolator.nest(res, function () {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n if (lastKey && lastKey[0] === args[0] && !options.context) {\n _this.logger.warn(`It seems you are nesting recursively key: ${args[0]} in key: ${key[0]}`);\n return null;\n }\n return _this.translate(...args, key);\n }, options);\n if (options.interpolation) this.interpolator.reset();\n }\n const postProcess = options.postProcess || this.options.postProcess;\n const postProcessorNames = typeof postProcess === 'string' ? [postProcess] : postProcess;\n if (res !== undefined && res !== null && postProcessorNames && postProcessorNames.length && options.applyPostProcessor !== false) {\n res = postProcessor.handle(postProcessorNames, res, key, this.options && this.options.postProcessPassResolved ? {\n i18nResolved: resolved,\n ...options\n } : options, this);\n }\n return res;\n }\n resolve(keys) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n let found;\n let usedKey;\n let exactUsedKey;\n let usedLng;\n let usedNS;\n if (typeof keys === 'string') keys = [keys];\n keys.forEach(k => {\n if (this.isValidLookup(found)) return;\n const extracted = this.extractFromKey(k, options);\n const key = extracted.key;\n usedKey = key;\n let namespaces = extracted.namespaces;\n if (this.options.fallbackNS) namespaces = namespaces.concat(this.options.fallbackNS);\n const needsPluralHandling = options.count !== undefined && typeof options.count !== 'string';\n const needsZeroSuffixLookup = needsPluralHandling && !options.ordinal && options.count === 0 && this.pluralResolver.shouldUseIntlApi();\n const needsContextHandling = options.context !== undefined && (typeof options.context === 'string' || typeof options.context === 'number') && options.context !== '';\n const codes = options.lngs ? options.lngs : this.languageUtils.toResolveHierarchy(options.lng || this.language, options.fallbackLng);\n namespaces.forEach(ns => {\n if (this.isValidLookup(found)) return;\n usedNS = ns;\n if (!checkedLoadedFor[`${codes[0]}-${ns}`] && this.utils && this.utils.hasLoadedNamespace && !this.utils.hasLoadedNamespace(usedNS)) {\n checkedLoadedFor[`${codes[0]}-${ns}`] = true;\n this.logger.warn(`key \"${usedKey}\" for languages \"${codes.join(', ')}\" won't get resolved as namespace \"${usedNS}\" was not yet loaded`, 'This means something IS WRONG in your setup. You access the t function before i18next.init / i18next.loadNamespace / i18next.changeLanguage was done. Wait for the callback or Promise to resolve before accessing it!!!');\n }\n codes.forEach(code => {\n if (this.isValidLookup(found)) return;\n usedLng = code;\n const finalKeys = [key];\n if (this.i18nFormat && this.i18nFormat.addLookupKeys) {\n this.i18nFormat.addLookupKeys(finalKeys, key, code, ns, options);\n } else {\n let pluralSuffix;\n if (needsPluralHandling) pluralSuffix = this.pluralResolver.getSuffix(code, options.count, options);\n const zeroSuffix = `${this.options.pluralSeparator}zero`;\n const ordinalPrefix = `${this.options.pluralSeparator}ordinal${this.options.pluralSeparator}`;\n if (needsPluralHandling) {\n finalKeys.push(key + pluralSuffix);\n if (options.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {\n finalKeys.push(key + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator));\n }\n if (needsZeroSuffixLookup) {\n finalKeys.push(key + zeroSuffix);\n }\n }\n if (needsContextHandling) {\n const contextKey = `${key}${this.options.contextSeparator}${options.context}`;\n finalKeys.push(contextKey);\n if (needsPluralHandling) {\n finalKeys.push(contextKey + pluralSuffix);\n if (options.ordinal && pluralSuffix.indexOf(ordinalPrefix) === 0) {\n finalKeys.push(contextKey + pluralSuffix.replace(ordinalPrefix, this.options.pluralSeparator));\n }\n if (needsZeroSuffixLookup) {\n finalKeys.push(contextKey + zeroSuffix);\n }\n }\n }\n }\n let possibleKey;\n while (possibleKey = finalKeys.pop()) {\n if (!this.isValidLookup(found)) {\n exactUsedKey = possibleKey;\n found = this.getResource(code, ns, possibleKey, options);\n }\n }\n });\n });\n });\n return {\n res: found,\n usedKey,\n exactUsedKey,\n usedLng,\n usedNS\n };\n }\n isValidLookup(res) {\n return res !== undefined && !(!this.options.returnNull && res === null) && !(!this.options.returnEmptyString && res === '');\n }\n getResource(code, ns, key) {\n let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n if (this.i18nFormat && this.i18nFormat.getResource) return this.i18nFormat.getResource(code, ns, key, options);\n return this.resourceStore.getResource(code, ns, key, options);\n }\n static hasDefaultValue(options) {\n const prefix = 'defaultValue';\n for (const option in options) {\n if (Object.prototype.hasOwnProperty.call(options, option) && prefix === option.substring(0, prefix.length) && undefined !== options[option]) {\n return true;\n }\n }\n return false;\n }\n}\n\nfunction capitalize(string) {\n return string.charAt(0).toUpperCase() + string.slice(1);\n}\nclass LanguageUtil {\n constructor(options) {\n this.options = options;\n this.supportedLngs = this.options.supportedLngs || false;\n this.logger = baseLogger.create('languageUtils');\n }\n getScriptPartFromCode(code) {\n code = getCleanedCode(code);\n if (!code || code.indexOf('-') < 0) return null;\n const p = code.split('-');\n if (p.length === 2) return null;\n p.pop();\n if (p[p.length - 1].toLowerCase() === 'x') return null;\n return this.formatLanguageCode(p.join('-'));\n }\n getLanguagePartFromCode(code) {\n code = getCleanedCode(code);\n if (!code || code.indexOf('-') < 0) return code;\n const p = code.split('-');\n return this.formatLanguageCode(p[0]);\n }\n formatLanguageCode(code) {\n if (typeof code === 'string' && code.indexOf('-') > -1) {\n const specialCases = ['hans', 'hant', 'latn', 'cyrl', 'cans', 'mong', 'arab'];\n let p = code.split('-');\n if (this.options.lowerCaseLng) {\n p = p.map(part => part.toLowerCase());\n } else if (p.length === 2) {\n p[0] = p[0].toLowerCase();\n p[1] = p[1].toUpperCase();\n if (specialCases.indexOf(p[1].toLowerCase()) > -1) p[1] = capitalize(p[1].toLowerCase());\n } else if (p.length === 3) {\n p[0] = p[0].toLowerCase();\n if (p[1].length === 2) p[1] = p[1].toUpperCase();\n if (p[0] !== 'sgn' && p[2].length === 2) p[2] = p[2].toUpperCase();\n if (specialCases.indexOf(p[1].toLowerCase()) > -1) p[1] = capitalize(p[1].toLowerCase());\n if (specialCases.indexOf(p[2].toLowerCase()) > -1) p[2] = capitalize(p[2].toLowerCase());\n }\n return p.join('-');\n }\n return this.options.cleanCode || this.options.lowerCaseLng ? code.toLowerCase() : code;\n }\n isSupportedCode(code) {\n if (this.options.load === 'languageOnly' || this.options.nonExplicitSupportedLngs) {\n code = this.getLanguagePartFromCode(code);\n }\n return !this.supportedLngs || !this.supportedLngs.length || this.supportedLngs.indexOf(code) > -1;\n }\n getBestMatchFromCodes(codes) {\n if (!codes) return null;\n let found;\n codes.forEach(code => {\n if (found) return;\n const cleanedLng = this.formatLanguageCode(code);\n if (!this.options.supportedLngs || this.isSupportedCode(cleanedLng)) found = cleanedLng;\n });\n if (!found && this.options.supportedLngs) {\n codes.forEach(code => {\n if (found) return;\n const lngOnly = this.getLanguagePartFromCode(code);\n if (this.isSupportedCode(lngOnly)) return found = lngOnly;\n found = this.options.supportedLngs.find(supportedLng => {\n if (supportedLng === lngOnly) return supportedLng;\n if (supportedLng.indexOf('-') < 0 && lngOnly.indexOf('-') < 0) return;\n if (supportedLng.indexOf(lngOnly) === 0) return supportedLng;\n });\n });\n }\n if (!found) found = this.getFallbackCodes(this.options.fallbackLng)[0];\n return found;\n }\n getFallbackCodes(fallbacks, code) {\n if (!fallbacks) return [];\n if (typeof fallbacks === 'function') fallbacks = fallbacks(code);\n if (typeof fallbacks === 'string') fallbacks = [fallbacks];\n if (Object.prototype.toString.apply(fallbacks) === '[object Array]') return fallbacks;\n if (!code) return fallbacks.default || [];\n let found = fallbacks[code];\n if (!found) found = fallbacks[this.getScriptPartFromCode(code)];\n if (!found) found = fallbacks[this.formatLanguageCode(code)];\n if (!found) found = fallbacks[this.getLanguagePartFromCode(code)];\n if (!found) found = fallbacks.default;\n return found || [];\n }\n toResolveHierarchy(code, fallbackCode) {\n const fallbackCodes = this.getFallbackCodes(fallbackCode || this.options.fallbackLng || [], code);\n const codes = [];\n const addCode = c => {\n if (!c) return;\n if (this.isSupportedCode(c)) {\n codes.push(c);\n } else {\n this.logger.warn(`rejecting language code not found in supportedLngs: ${c}`);\n }\n };\n if (typeof code === 'string' && (code.indexOf('-') > -1 || code.indexOf('_') > -1)) {\n if (this.options.load !== 'languageOnly') addCode(this.formatLanguageCode(code));\n if (this.options.load !== 'languageOnly' && this.options.load !== 'currentOnly') addCode(this.getScriptPartFromCode(code));\n if (this.options.load !== 'currentOnly') addCode(this.getLanguagePartFromCode(code));\n } else if (typeof code === 'string') {\n addCode(this.formatLanguageCode(code));\n }\n fallbackCodes.forEach(fc => {\n if (codes.indexOf(fc) < 0) addCode(this.formatLanguageCode(fc));\n });\n return codes;\n }\n}\n\nlet sets = [{\n lngs: ['ach', 'ak', 'am', 'arn', 'br', 'fil', 'gun', 'ln', 'mfe', 'mg', 'mi', 'oc', 'pt', 'pt-BR', 'tg', 'tl', 'ti', 'tr', 'uz', 'wa'],\n nr: [1, 2],\n fc: 1\n}, {\n lngs: ['af', 'an', 'ast', 'az', 'bg', 'bn', 'ca', 'da', 'de', 'dev', 'el', 'en', 'eo', 'es', 'et', 'eu', 'fi', 'fo', 'fur', 'fy', 'gl', 'gu', 'ha', 'hi', 'hu', 'hy', 'ia', 'it', 'kk', 'kn', 'ku', 'lb', 'mai', 'ml', 'mn', 'mr', 'nah', 'nap', 'nb', 'ne', 'nl', 'nn', 'no', 'nso', 'pa', 'pap', 'pms', 'ps', 'pt-PT', 'rm', 'sco', 'se', 'si', 'so', 'son', 'sq', 'sv', 'sw', 'ta', 'te', 'tk', 'ur', 'yo'],\n nr: [1, 2],\n fc: 2\n}, {\n lngs: ['ay', 'bo', 'cgg', 'fa', 'ht', 'id', 'ja', 'jbo', 'ka', 'km', 'ko', 'ky', 'lo', 'ms', 'sah', 'su', 'th', 'tt', 'ug', 'vi', 'wo', 'zh'],\n nr: [1],\n fc: 3\n}, {\n lngs: ['be', 'bs', 'cnr', 'dz', 'hr', 'ru', 'sr', 'uk'],\n nr: [1, 2, 5],\n fc: 4\n}, {\n lngs: ['ar'],\n nr: [0, 1, 2, 3, 11, 100],\n fc: 5\n}, {\n lngs: ['cs', 'sk'],\n nr: [1, 2, 5],\n fc: 6\n}, {\n lngs: ['csb', 'pl'],\n nr: [1, 2, 5],\n fc: 7\n}, {\n lngs: ['cy'],\n nr: [1, 2, 3, 8],\n fc: 8\n}, {\n lngs: ['fr'],\n nr: [1, 2],\n fc: 9\n}, {\n lngs: ['ga'],\n nr: [1, 2, 3, 7, 11],\n fc: 10\n}, {\n lngs: ['gd'],\n nr: [1, 2, 3, 20],\n fc: 11\n}, {\n lngs: ['is'],\n nr: [1, 2],\n fc: 12\n}, {\n lngs: ['jv'],\n nr: [0, 1],\n fc: 13\n}, {\n lngs: ['kw'],\n nr: [1, 2, 3, 4],\n fc: 14\n}, {\n lngs: ['lt'],\n nr: [1, 2, 10],\n fc: 15\n}, {\n lngs: ['lv'],\n nr: [1, 2, 0],\n fc: 16\n}, {\n lngs: ['mk'],\n nr: [1, 2],\n fc: 17\n}, {\n lngs: ['mnk'],\n nr: [0, 1, 2],\n fc: 18\n}, {\n lngs: ['mt'],\n nr: [1, 2, 11, 20],\n fc: 19\n}, {\n lngs: ['or'],\n nr: [2, 1],\n fc: 2\n}, {\n lngs: ['ro'],\n nr: [1, 2, 20],\n fc: 20\n}, {\n lngs: ['sl'],\n nr: [5, 1, 2, 3],\n fc: 21\n}, {\n lngs: ['he', 'iw'],\n nr: [1, 2, 20, 21],\n fc: 22\n}];\nlet _rulesPluralsTypes = {\n 1: function (n) {\n return Number(n > 1);\n },\n 2: function (n) {\n return Number(n != 1);\n },\n 3: function (n) {\n return 0;\n },\n 4: function (n) {\n return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);\n },\n 5: function (n) {\n return Number(n == 0 ? 0 : n == 1 ? 1 : n == 2 ? 2 : n % 100 >= 3 && n % 100 <= 10 ? 3 : n % 100 >= 11 ? 4 : 5);\n },\n 6: function (n) {\n return Number(n == 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2);\n },\n 7: function (n) {\n return Number(n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);\n },\n 8: function (n) {\n return Number(n == 1 ? 0 : n == 2 ? 1 : n != 8 && n != 11 ? 2 : 3);\n },\n 9: function (n) {\n return Number(n >= 2);\n },\n 10: function (n) {\n return Number(n == 1 ? 0 : n == 2 ? 1 : n < 7 ? 2 : n < 11 ? 3 : 4);\n },\n 11: function (n) {\n return Number(n == 1 || n == 11 ? 0 : n == 2 || n == 12 ? 1 : n > 2 && n < 20 ? 2 : 3);\n },\n 12: function (n) {\n return Number(n % 10 != 1 || n % 100 == 11);\n },\n 13: function (n) {\n return Number(n !== 0);\n },\n 14: function (n) {\n return Number(n == 1 ? 0 : n == 2 ? 1 : n == 3 ? 2 : 3);\n },\n 15: function (n) {\n return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2);\n },\n 16: function (n) {\n return Number(n % 10 == 1 && n % 100 != 11 ? 0 : n !== 0 ? 1 : 2);\n },\n 17: function (n) {\n return Number(n == 1 || n % 10 == 1 && n % 100 != 11 ? 0 : 1);\n },\n 18: function (n) {\n return Number(n == 0 ? 0 : n == 1 ? 1 : 2);\n },\n 19: function (n) {\n return Number(n == 1 ? 0 : n == 0 || n % 100 > 1 && n % 100 < 11 ? 1 : n % 100 > 10 && n % 100 < 20 ? 2 : 3);\n },\n 20: function (n) {\n return Number(n == 1 ? 0 : n == 0 || n % 100 > 0 && n % 100 < 20 ? 1 : 2);\n },\n 21: function (n) {\n return Number(n % 100 == 1 ? 1 : n % 100 == 2 ? 2 : n % 100 == 3 || n % 100 == 4 ? 3 : 0);\n },\n 22: function (n) {\n return Number(n == 1 ? 0 : n == 2 ? 1 : (n < 0 || n > 10) && n % 10 == 0 ? 2 : 3);\n }\n};\nconst nonIntlVersions = ['v1', 'v2', 'v3'];\nconst intlVersions = ['v4'];\nconst suffixesOrder = {\n zero: 0,\n one: 1,\n two: 2,\n few: 3,\n many: 4,\n other: 5\n};\nfunction createRules() {\n const rules = {};\n sets.forEach(set => {\n set.lngs.forEach(l => {\n rules[l] = {\n numbers: set.nr,\n plurals: _rulesPluralsTypes[set.fc]\n };\n });\n });\n return rules;\n}\nclass PluralResolver {\n constructor(languageUtils) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n this.languageUtils = languageUtils;\n this.options = options;\n this.logger = baseLogger.create('pluralResolver');\n if ((!this.options.compatibilityJSON || intlVersions.includes(this.options.compatibilityJSON)) && (typeof Intl === 'undefined' || !Intl.PluralRules)) {\n this.options.compatibilityJSON = 'v3';\n this.logger.error('Your environment seems not to be Intl API compatible, use an Intl.PluralRules polyfill. Will fallback to the compatibilityJSON v3 format handling.');\n }\n this.rules = createRules();\n }\n addRule(lng, obj) {\n this.rules[lng] = obj;\n }\n getRule(code) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n if (this.shouldUseIntlApi()) {\n try {\n return new Intl.PluralRules(getCleanedCode(code), {\n type: options.ordinal ? 'ordinal' : 'cardinal'\n });\n } catch {\n return;\n }\n }\n return this.rules[code] || this.rules[this.languageUtils.getLanguagePartFromCode(code)];\n }\n needsPlural(code) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n const rule = this.getRule(code, options);\n if (this.shouldUseIntlApi()) {\n return rule && rule.resolvedOptions().pluralCategories.length > 1;\n }\n return rule && rule.numbers.length > 1;\n }\n getPluralFormsOfKey(code, key) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n return this.getSuffixes(code, options).map(suffix => `${key}${suffix}`);\n }\n getSuffixes(code) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n const rule = this.getRule(code, options);\n if (!rule) {\n return [];\n }\n if (this.shouldUseIntlApi()) {\n return rule.resolvedOptions().pluralCategories.sort((pluralCategory1, pluralCategory2) => suffixesOrder[pluralCategory1] - suffixesOrder[pluralCategory2]).map(pluralCategory => `${this.options.prepend}${options.ordinal ? `ordinal${this.options.prepend}` : ''}${pluralCategory}`);\n }\n return rule.numbers.map(number => this.getSuffix(code, number, options));\n }\n getSuffix(code, count) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n const rule = this.getRule(code, options);\n if (rule) {\n if (this.shouldUseIntlApi()) {\n return `${this.options.prepend}${options.ordinal ? `ordinal${this.options.prepend}` : ''}${rule.select(count)}`;\n }\n return this.getSuffixRetroCompatible(rule, count);\n }\n this.logger.warn(`no plural rule found for: ${code}`);\n return '';\n }\n getSuffixRetroCompatible(rule, count) {\n const idx = rule.noAbs ? rule.plurals(count) : rule.plurals(Math.abs(count));\n let suffix = rule.numbers[idx];\n if (this.options.simplifyPluralSuffix && rule.numbers.length === 2 && rule.numbers[0] === 1) {\n if (suffix === 2) {\n suffix = 'plural';\n } else if (suffix === 1) {\n suffix = '';\n }\n }\n const returnSuffix = () => this.options.prepend && suffix.toString() ? this.options.prepend + suffix.toString() : suffix.toString();\n if (this.options.compatibilityJSON === 'v1') {\n if (suffix === 1) return '';\n if (typeof suffix === 'number') return `_plural_${suffix.toString()}`;\n return returnSuffix();\n } else if (this.options.compatibilityJSON === 'v2') {\n return returnSuffix();\n } else if (this.options.simplifyPluralSuffix && rule.numbers.length === 2 && rule.numbers[0] === 1) {\n return returnSuffix();\n }\n return this.options.prepend && idx.toString() ? this.options.prepend + idx.toString() : idx.toString();\n }\n shouldUseIntlApi() {\n return !nonIntlVersions.includes(this.options.compatibilityJSON);\n }\n}\n\nfunction deepFindWithDefaults(data, defaultData, key) {\n let keySeparator = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '.';\n let ignoreJSONStructure = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : true;\n let path = getPathWithDefaults(data, defaultData, key);\n if (!path && ignoreJSONStructure && typeof key === 'string') {\n path = deepFind(data, key, keySeparator);\n if (path === undefined) path = deepFind(defaultData, key, keySeparator);\n }\n return path;\n}\nclass Interpolator {\n constructor() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.logger = baseLogger.create('interpolator');\n this.options = options;\n this.format = options.interpolation && options.interpolation.format || (value => value);\n this.init(options);\n }\n init() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n if (!options.interpolation) options.interpolation = {\n escapeValue: true\n };\n const iOpts = options.interpolation;\n this.escape = iOpts.escape !== undefined ? iOpts.escape : escape;\n this.escapeValue = iOpts.escapeValue !== undefined ? iOpts.escapeValue : true;\n this.useRawValueToEscape = iOpts.useRawValueToEscape !== undefined ? iOpts.useRawValueToEscape : false;\n this.prefix = iOpts.prefix ? regexEscape(iOpts.prefix) : iOpts.prefixEscaped || '{{';\n this.suffix = iOpts.suffix ? regexEscape(iOpts.suffix) : iOpts.suffixEscaped || '}}';\n this.formatSeparator = iOpts.formatSeparator ? iOpts.formatSeparator : iOpts.formatSeparator || ',';\n this.unescapePrefix = iOpts.unescapeSuffix ? '' : iOpts.unescapePrefix || '-';\n this.unescapeSuffix = this.unescapePrefix ? '' : iOpts.unescapeSuffix || '';\n this.nestingPrefix = iOpts.nestingPrefix ? regexEscape(iOpts.nestingPrefix) : iOpts.nestingPrefixEscaped || regexEscape('$t(');\n this.nestingSuffix = iOpts.nestingSuffix ? regexEscape(iOpts.nestingSuffix) : iOpts.nestingSuffixEscaped || regexEscape(')');\n this.nestingOptionsSeparator = iOpts.nestingOptionsSeparator ? iOpts.nestingOptionsSeparator : iOpts.nestingOptionsSeparator || ',';\n this.maxReplaces = iOpts.maxReplaces ? iOpts.maxReplaces : 1000;\n this.alwaysFormat = iOpts.alwaysFormat !== undefined ? iOpts.alwaysFormat : false;\n this.resetRegExp();\n }\n reset() {\n if (this.options) this.init(this.options);\n }\n resetRegExp() {\n const regexpStr = `${this.prefix}(.+?)${this.suffix}`;\n this.regexp = new RegExp(regexpStr, 'g');\n const regexpUnescapeStr = `${this.prefix}${this.unescapePrefix}(.+?)${this.unescapeSuffix}${this.suffix}`;\n this.regexpUnescape = new RegExp(regexpUnescapeStr, 'g');\n const nestingRegexpStr = `${this.nestingPrefix}(.+?)${this.nestingSuffix}`;\n this.nestingRegexp = new RegExp(nestingRegexpStr, 'g');\n }\n interpolate(str, data, lng, options) {\n let match;\n let value;\n let replaces;\n const defaultData = this.options && this.options.interpolation && this.options.interpolation.defaultVariables || {};\n function regexSafe(val) {\n return val.replace(/\\$/g, '$$$$');\n }\n const handleFormat = key => {\n if (key.indexOf(this.formatSeparator) < 0) {\n const path = deepFindWithDefaults(data, defaultData, key, this.options.keySeparator, this.options.ignoreJSONStructure);\n return this.alwaysFormat ? this.format(path, undefined, lng, {\n ...options,\n ...data,\n interpolationkey: key\n }) : path;\n }\n const p = key.split(this.formatSeparator);\n const k = p.shift().trim();\n const f = p.join(this.formatSeparator).trim();\n return this.format(deepFindWithDefaults(data, defaultData, k, this.options.keySeparator, this.options.ignoreJSONStructure), f, lng, {\n ...options,\n ...data,\n interpolationkey: k\n });\n };\n this.resetRegExp();\n const missingInterpolationHandler = options && options.missingInterpolationHandler || this.options.missingInterpolationHandler;\n const skipOnVariables = options && options.interpolation && options.interpolation.skipOnVariables !== undefined ? options.interpolation.skipOnVariables : this.options.interpolation.skipOnVariables;\n const todos = [{\n regex: this.regexpUnescape,\n safeValue: val => regexSafe(val)\n }, {\n regex: this.regexp,\n safeValue: val => this.escapeValue ? regexSafe(this.escape(val)) : regexSafe(val)\n }];\n todos.forEach(todo => {\n replaces = 0;\n while (match = todo.regex.exec(str)) {\n const matchedVar = match[1].trim();\n value = handleFormat(matchedVar);\n if (value === undefined) {\n if (typeof missingInterpolationHandler === 'function') {\n const temp = missingInterpolationHandler(str, match, options);\n value = typeof temp === 'string' ? temp : '';\n } else if (options && Object.prototype.hasOwnProperty.call(options, matchedVar)) {\n value = '';\n } else if (skipOnVariables) {\n value = match[0];\n continue;\n } else {\n this.logger.warn(`missed to pass in variable ${matchedVar} for interpolating ${str}`);\n value = '';\n }\n } else if (typeof value !== 'string' && !this.useRawValueToEscape) {\n value = makeString(value);\n }\n const safeValue = todo.safeValue(value);\n str = str.replace(match[0], safeValue);\n if (skipOnVariables) {\n todo.regex.lastIndex += value.length;\n todo.regex.lastIndex -= match[0].length;\n } else {\n todo.regex.lastIndex = 0;\n }\n replaces++;\n if (replaces >= this.maxReplaces) {\n break;\n }\n }\n });\n return str;\n }\n nest(str, fc) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n let match;\n let value;\n let clonedOptions;\n function handleHasOptions(key, inheritedOptions) {\n const sep = this.nestingOptionsSeparator;\n if (key.indexOf(sep) < 0) return key;\n const c = key.split(new RegExp(`${sep}[ ]*{`));\n let optionsString = `{${c[1]}`;\n key = c[0];\n optionsString = this.interpolate(optionsString, clonedOptions);\n const matchedSingleQuotes = optionsString.match(/'/g);\n const matchedDoubleQuotes = optionsString.match(/\"/g);\n if (matchedSingleQuotes && matchedSingleQuotes.length % 2 === 0 && !matchedDoubleQuotes || matchedDoubleQuotes.length % 2 !== 0) {\n optionsString = optionsString.replace(/'/g, '\"');\n }\n try {\n clonedOptions = JSON.parse(optionsString);\n if (inheritedOptions) clonedOptions = {\n ...inheritedOptions,\n ...clonedOptions\n };\n } catch (e) {\n this.logger.warn(`failed parsing options string in nesting for key ${key}`, e);\n return `${key}${sep}${optionsString}`;\n }\n delete clonedOptions.defaultValue;\n return key;\n }\n while (match = this.nestingRegexp.exec(str)) {\n let formatters = [];\n clonedOptions = {\n ...options\n };\n clonedOptions = clonedOptions.replace && typeof clonedOptions.replace !== 'string' ? clonedOptions.replace : clonedOptions;\n clonedOptions.applyPostProcessor = false;\n delete clonedOptions.defaultValue;\n let doReduce = false;\n if (match[0].indexOf(this.formatSeparator) !== -1 && !/{.*}/.test(match[1])) {\n const r = match[1].split(this.formatSeparator).map(elem => elem.trim());\n match[1] = r.shift();\n formatters = r;\n doReduce = true;\n }\n value = fc(handleHasOptions.call(this, match[1].trim(), clonedOptions), clonedOptions);\n if (value && match[0] === str && typeof value !== 'string') return value;\n if (typeof value !== 'string') value = makeString(value);\n if (!value) {\n this.logger.warn(`missed to resolve ${match[1]} for nesting ${str}`);\n value = '';\n }\n if (doReduce) {\n value = formatters.reduce((v, f) => this.format(v, f, options.lng, {\n ...options,\n interpolationkey: match[1].trim()\n }), value.trim());\n }\n str = str.replace(match[0], value);\n this.regexp.lastIndex = 0;\n }\n return str;\n }\n}\n\nfunction parseFormatStr(formatStr) {\n let formatName = formatStr.toLowerCase().trim();\n const formatOptions = {};\n if (formatStr.indexOf('(') > -1) {\n const p = formatStr.split('(');\n formatName = p[0].toLowerCase().trim();\n const optStr = p[1].substring(0, p[1].length - 1);\n if (formatName === 'currency' && optStr.indexOf(':') < 0) {\n if (!formatOptions.currency) formatOptions.currency = optStr.trim();\n } else if (formatName === 'relativetime' && optStr.indexOf(':') < 0) {\n if (!formatOptions.range) formatOptions.range = optStr.trim();\n } else {\n const opts = optStr.split(';');\n opts.forEach(opt => {\n if (!opt) return;\n const [key, ...rest] = opt.split(':');\n const val = rest.join(':').trim().replace(/^'+|'+$/g, '');\n if (!formatOptions[key.trim()]) formatOptions[key.trim()] = val;\n if (val === 'false') formatOptions[key.trim()] = false;\n if (val === 'true') formatOptions[key.trim()] = true;\n if (!isNaN(val)) formatOptions[key.trim()] = parseInt(val, 10);\n });\n }\n }\n return {\n formatName,\n formatOptions\n };\n}\nfunction createCachedFormatter(fn) {\n const cache = {};\n return function invokeFormatter(val, lng, options) {\n const key = lng + JSON.stringify(options);\n let formatter = cache[key];\n if (!formatter) {\n formatter = fn(getCleanedCode(lng), options);\n cache[key] = formatter;\n }\n return formatter(val);\n };\n}\nclass Formatter {\n constructor() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.logger = baseLogger.create('formatter');\n this.options = options;\n this.formats = {\n number: createCachedFormatter((lng, opt) => {\n const formatter = new Intl.NumberFormat(lng, {\n ...opt\n });\n return val => formatter.format(val);\n }),\n currency: createCachedFormatter((lng, opt) => {\n const formatter = new Intl.NumberFormat(lng, {\n ...opt,\n style: 'currency'\n });\n return val => formatter.format(val);\n }),\n datetime: createCachedFormatter((lng, opt) => {\n const formatter = new Intl.DateTimeFormat(lng, {\n ...opt\n });\n return val => formatter.format(val);\n }),\n relativetime: createCachedFormatter((lng, opt) => {\n const formatter = new Intl.RelativeTimeFormat(lng, {\n ...opt\n });\n return val => formatter.format(val, opt.range || 'day');\n }),\n list: createCachedFormatter((lng, opt) => {\n const formatter = new Intl.ListFormat(lng, {\n ...opt\n });\n return val => formatter.format(val);\n })\n };\n this.init(options);\n }\n init(services) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n interpolation: {}\n };\n const iOpts = options.interpolation;\n this.formatSeparator = iOpts.formatSeparator ? iOpts.formatSeparator : iOpts.formatSeparator || ',';\n }\n add(name, fc) {\n this.formats[name.toLowerCase().trim()] = fc;\n }\n addCached(name, fc) {\n this.formats[name.toLowerCase().trim()] = createCachedFormatter(fc);\n }\n format(value, format, lng) {\n let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n const formats = format.split(this.formatSeparator);\n const result = formats.reduce((mem, f) => {\n const {\n formatName,\n formatOptions\n } = parseFormatStr(f);\n if (this.formats[formatName]) {\n let formatted = mem;\n try {\n const valOptions = options && options.formatParams && options.formatParams[options.interpolationkey] || {};\n const l = valOptions.locale || valOptions.lng || options.locale || options.lng || lng;\n formatted = this.formats[formatName](mem, l, {\n ...formatOptions,\n ...options,\n ...valOptions\n });\n } catch (error) {\n this.logger.warn(error);\n }\n return formatted;\n } else {\n this.logger.warn(`there was no format function for ${formatName}`);\n }\n return mem;\n }, value);\n return result;\n }\n}\n\nfunction removePending(q, name) {\n if (q.pending[name] !== undefined) {\n delete q.pending[name];\n q.pendingCount--;\n }\n}\nclass Connector extends EventEmitter {\n constructor(backend, store, services) {\n let options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n super();\n this.backend = backend;\n this.store = store;\n this.services = services;\n this.languageUtils = services.languageUtils;\n this.options = options;\n this.logger = baseLogger.create('backendConnector');\n this.waitingReads = [];\n this.maxParallelReads = options.maxParallelReads || 10;\n this.readingCalls = 0;\n this.maxRetries = options.maxRetries >= 0 ? options.maxRetries : 5;\n this.retryTimeout = options.retryTimeout >= 1 ? options.retryTimeout : 350;\n this.state = {};\n this.queue = [];\n if (this.backend && this.backend.init) {\n this.backend.init(services, options.backend, options);\n }\n }\n queueLoad(languages, namespaces, options, callback) {\n const toLoad = {};\n const pending = {};\n const toLoadLanguages = {};\n const toLoadNamespaces = {};\n languages.forEach(lng => {\n let hasAllNamespaces = true;\n namespaces.forEach(ns => {\n const name = `${lng}|${ns}`;\n if (!options.reload && this.store.hasResourceBundle(lng, ns)) {\n this.state[name] = 2;\n } else if (this.state[name] < 0) ; else if (this.state[name] === 1) {\n if (pending[name] === undefined) pending[name] = true;\n } else {\n this.state[name] = 1;\n hasAllNamespaces = false;\n if (pending[name] === undefined) pending[name] = true;\n if (toLoad[name] === undefined) toLoad[name] = true;\n if (toLoadNamespaces[ns] === undefined) toLoadNamespaces[ns] = true;\n }\n });\n if (!hasAllNamespaces) toLoadLanguages[lng] = true;\n });\n if (Object.keys(toLoad).length || Object.keys(pending).length) {\n this.queue.push({\n pending,\n pendingCount: Object.keys(pending).length,\n loaded: {},\n errors: [],\n callback\n });\n }\n return {\n toLoad: Object.keys(toLoad),\n pending: Object.keys(pending),\n toLoadLanguages: Object.keys(toLoadLanguages),\n toLoadNamespaces: Object.keys(toLoadNamespaces)\n };\n }\n loaded(name, err, data) {\n const s = name.split('|');\n const lng = s[0];\n const ns = s[1];\n if (err) this.emit('failedLoading', lng, ns, err);\n if (data) {\n this.store.addResourceBundle(lng, ns, data);\n }\n this.state[name] = err ? -1 : 2;\n const loaded = {};\n this.queue.forEach(q => {\n pushPath(q.loaded, [lng], ns);\n removePending(q, name);\n if (err) q.errors.push(err);\n if (q.pendingCount === 0 && !q.done) {\n Object.keys(q.loaded).forEach(l => {\n if (!loaded[l]) loaded[l] = {};\n const loadedKeys = q.loaded[l];\n if (loadedKeys.length) {\n loadedKeys.forEach(n => {\n if (loaded[l][n] === undefined) loaded[l][n] = true;\n });\n }\n });\n q.done = true;\n if (q.errors.length) {\n q.callback(q.errors);\n } else {\n q.callback();\n }\n }\n });\n this.emit('loaded', loaded);\n this.queue = this.queue.filter(q => !q.done);\n }\n read(lng, ns, fcName) {\n let tried = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;\n let wait = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : this.retryTimeout;\n let callback = arguments.length > 5 ? arguments[5] : undefined;\n if (!lng.length) return callback(null, {});\n if (this.readingCalls >= this.maxParallelReads) {\n this.waitingReads.push({\n lng,\n ns,\n fcName,\n tried,\n wait,\n callback\n });\n return;\n }\n this.readingCalls++;\n const resolver = (err, data) => {\n this.readingCalls--;\n if (this.waitingReads.length > 0) {\n const next = this.waitingReads.shift();\n this.read(next.lng, next.ns, next.fcName, next.tried, next.wait, next.callback);\n }\n if (err && data && tried < this.maxRetries) {\n setTimeout(() => {\n this.read.call(this, lng, ns, fcName, tried + 1, wait * 2, callback);\n }, wait);\n return;\n }\n callback(err, data);\n };\n const fc = this.backend[fcName].bind(this.backend);\n if (fc.length === 2) {\n try {\n const r = fc(lng, ns);\n if (r && typeof r.then === 'function') {\n r.then(data => resolver(null, data)).catch(resolver);\n } else {\n resolver(null, r);\n }\n } catch (err) {\n resolver(err);\n }\n return;\n }\n return fc(lng, ns, resolver);\n }\n prepareLoading(languages, namespaces) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n let callback = arguments.length > 3 ? arguments[3] : undefined;\n if (!this.backend) {\n this.logger.warn('No backend was added via i18next.use. Will not load resources.');\n return callback && callback();\n }\n if (typeof languages === 'string') languages = this.languageUtils.toResolveHierarchy(languages);\n if (typeof namespaces === 'string') namespaces = [namespaces];\n const toLoad = this.queueLoad(languages, namespaces, options, callback);\n if (!toLoad.toLoad.length) {\n if (!toLoad.pending.length) callback();\n return null;\n }\n toLoad.toLoad.forEach(name => {\n this.loadOne(name);\n });\n }\n load(languages, namespaces, callback) {\n this.prepareLoading(languages, namespaces, {}, callback);\n }\n reload(languages, namespaces, callback) {\n this.prepareLoading(languages, namespaces, {\n reload: true\n }, callback);\n }\n loadOne(name) {\n let prefix = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';\n const s = name.split('|');\n const lng = s[0];\n const ns = s[1];\n this.read(lng, ns, 'read', undefined, undefined, (err, data) => {\n if (err) this.logger.warn(`${prefix}loading namespace ${ns} for language ${lng} failed`, err);\n if (!err && data) this.logger.log(`${prefix}loaded namespace ${ns} for language ${lng}`, data);\n this.loaded(name, err, data);\n });\n }\n saveMissing(languages, namespace, key, fallbackValue, isUpdate) {\n let options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};\n let clb = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : () => {};\n if (this.services.utils && this.services.utils.hasLoadedNamespace && !this.services.utils.hasLoadedNamespace(namespace)) {\n this.logger.warn(`did not save key \"${key}\" as the namespace \"${namespace}\" was not yet loaded`, 'This means something IS WRONG in your setup. You access the t function before i18next.init / i18next.loadNamespace / i18next.changeLanguage was done. Wait for the callback or Promise to resolve before accessing it!!!');\n return;\n }\n if (key === undefined || key === null || key === '') return;\n if (this.backend && this.backend.create) {\n const opts = {\n ...options,\n isUpdate\n };\n const fc = this.backend.create.bind(this.backend);\n if (fc.length < 6) {\n try {\n let r;\n if (fc.length === 5) {\n r = fc(languages, namespace, key, fallbackValue, opts);\n } else {\n r = fc(languages, namespace, key, fallbackValue);\n }\n if (r && typeof r.then === 'function') {\n r.then(data => clb(null, data)).catch(clb);\n } else {\n clb(null, r);\n }\n } catch (err) {\n clb(err);\n }\n } else {\n fc(languages, namespace, key, fallbackValue, clb, opts);\n }\n }\n if (!languages || !languages[0]) return;\n this.store.addResource(languages[0], namespace, key, fallbackValue);\n }\n}\n\nfunction get() {\n return {\n debug: false,\n initImmediate: true,\n ns: ['translation'],\n defaultNS: ['translation'],\n fallbackLng: ['dev'],\n fallbackNS: false,\n supportedLngs: false,\n nonExplicitSupportedLngs: false,\n load: 'all',\n preload: false,\n simplifyPluralSuffix: true,\n keySeparator: '.',\n nsSeparator: ':',\n pluralSeparator: '_',\n contextSeparator: '_',\n partialBundledLanguages: false,\n saveMissing: false,\n updateMissing: false,\n saveMissingTo: 'fallback',\n saveMissingPlurals: true,\n missingKeyHandler: false,\n missingInterpolationHandler: false,\n postProcess: false,\n postProcessPassResolved: false,\n returnNull: false,\n returnEmptyString: true,\n returnObjects: false,\n joinArrays: false,\n returnedObjectHandler: false,\n parseMissingKeyHandler: false,\n appendNamespaceToMissingKey: false,\n appendNamespaceToCIMode: false,\n overloadTranslationOptionHandler: function handle(args) {\n let ret = {};\n if (typeof args[1] === 'object') ret = args[1];\n if (typeof args[1] === 'string') ret.defaultValue = args[1];\n if (typeof args[2] === 'string') ret.tDescription = args[2];\n if (typeof args[2] === 'object' || typeof args[3] === 'object') {\n const options = args[3] || args[2];\n Object.keys(options).forEach(key => {\n ret[key] = options[key];\n });\n }\n return ret;\n },\n interpolation: {\n escapeValue: true,\n format: (value, format, lng, options) => value,\n prefix: '{{',\n suffix: '}}',\n formatSeparator: ',',\n unescapePrefix: '-',\n nestingPrefix: '$t(',\n nestingSuffix: ')',\n nestingOptionsSeparator: ',',\n maxReplaces: 1000,\n skipOnVariables: true\n }\n };\n}\nfunction transformOptions(options) {\n if (typeof options.ns === 'string') options.ns = [options.ns];\n if (typeof options.fallbackLng === 'string') options.fallbackLng = [options.fallbackLng];\n if (typeof options.fallbackNS === 'string') options.fallbackNS = [options.fallbackNS];\n if (options.supportedLngs && options.supportedLngs.indexOf('cimode') < 0) {\n options.supportedLngs = options.supportedLngs.concat(['cimode']);\n }\n return options;\n}\n\nfunction noop() {}\nfunction bindMemberFunctions(inst) {\n const mems = Object.getOwnPropertyNames(Object.getPrototypeOf(inst));\n mems.forEach(mem => {\n if (typeof inst[mem] === 'function') {\n inst[mem] = inst[mem].bind(inst);\n }\n });\n}\nclass I18n extends EventEmitter {\n constructor() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n let callback = arguments.length > 1 ? arguments[1] : undefined;\n super();\n this.options = transformOptions(options);\n this.services = {};\n this.logger = baseLogger;\n this.modules = {\n external: []\n };\n bindMemberFunctions(this);\n if (callback && !this.isInitialized && !options.isClone) {\n if (!this.options.initImmediate) {\n this.init(options, callback);\n return this;\n }\n setTimeout(() => {\n this.init(options, callback);\n }, 0);\n }\n }\n init() {\n var _this = this;\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n let callback = arguments.length > 1 ? arguments[1] : undefined;\n if (typeof options === 'function') {\n callback = options;\n options = {};\n }\n if (!options.defaultNS && options.defaultNS !== false && options.ns) {\n if (typeof options.ns === 'string') {\n options.defaultNS = options.ns;\n } else if (options.ns.indexOf('translation') < 0) {\n options.defaultNS = options.ns[0];\n }\n }\n const defOpts = get();\n this.options = {\n ...defOpts,\n ...this.options,\n ...transformOptions(options)\n };\n if (this.options.compatibilityAPI !== 'v1') {\n this.options.interpolation = {\n ...defOpts.interpolation,\n ...this.options.interpolation\n };\n }\n if (options.keySeparator !== undefined) {\n this.options.userDefinedKeySeparator = options.keySeparator;\n }\n if (options.nsSeparator !== undefined) {\n this.options.userDefinedNsSeparator = options.nsSeparator;\n }\n function createClassOnDemand(ClassOrObject) {\n if (!ClassOrObject) return null;\n if (typeof ClassOrObject === 'function') return new ClassOrObject();\n return ClassOrObject;\n }\n if (!this.options.isClone) {\n if (this.modules.logger) {\n baseLogger.init(createClassOnDemand(this.modules.logger), this.options);\n } else {\n baseLogger.init(null, this.options);\n }\n let formatter;\n if (this.modules.formatter) {\n formatter = this.modules.formatter;\n } else if (typeof Intl !== 'undefined') {\n formatter = Formatter;\n }\n const lu = new LanguageUtil(this.options);\n this.store = new ResourceStore(this.options.resources, this.options);\n const s = this.services;\n s.logger = baseLogger;\n s.resourceStore = this.store;\n s.languageUtils = lu;\n s.pluralResolver = new PluralResolver(lu, {\n prepend: this.options.pluralSeparator,\n compatibilityJSON: this.options.compatibilityJSON,\n simplifyPluralSuffix: this.options.simplifyPluralSuffix\n });\n if (formatter && (!this.options.interpolation.format || this.options.interpolation.format === defOpts.interpolation.format)) {\n s.formatter = createClassOnDemand(formatter);\n s.formatter.init(s, this.options);\n this.options.interpolation.format = s.formatter.format.bind(s.formatter);\n }\n s.interpolator = new Interpolator(this.options);\n s.utils = {\n hasLoadedNamespace: this.hasLoadedNamespace.bind(this)\n };\n s.backendConnector = new Connector(createClassOnDemand(this.modules.backend), s.resourceStore, s, this.options);\n s.backendConnector.on('*', function (event) {\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n _this.emit(event, ...args);\n });\n if (this.modules.languageDetector) {\n s.languageDetector = createClassOnDemand(this.modules.languageDetector);\n if (s.languageDetector.init) s.languageDetector.init(s, this.options.detection, this.options);\n }\n if (this.modules.i18nFormat) {\n s.i18nFormat = createClassOnDemand(this.modules.i18nFormat);\n if (s.i18nFormat.init) s.i18nFormat.init(this);\n }\n this.translator = new Translator(this.services, this.options);\n this.translator.on('*', function (event) {\n for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {\n args[_key2 - 1] = arguments[_key2];\n }\n _this.emit(event, ...args);\n });\n this.modules.external.forEach(m => {\n if (m.init) m.init(this);\n });\n }\n this.format = this.options.interpolation.format;\n if (!callback) callback = noop;\n if (this.options.fallbackLng && !this.services.languageDetector && !this.options.lng) {\n const codes = this.services.languageUtils.getFallbackCodes(this.options.fallbackLng);\n if (codes.length > 0 && codes[0] !== 'dev') this.options.lng = codes[0];\n }\n if (!this.services.languageDetector && !this.options.lng) {\n this.logger.warn('init: no languageDetector is used and no lng is defined');\n }\n const storeApi = ['getResource', 'hasResourceBundle', 'getResourceBundle', 'getDataByLanguage'];\n storeApi.forEach(fcName => {\n this[fcName] = function () {\n return _this.store[fcName](...arguments);\n };\n });\n const storeApiChained = ['addResource', 'addResources', 'addResourceBundle', 'removeResourceBundle'];\n storeApiChained.forEach(fcName => {\n this[fcName] = function () {\n _this.store[fcName](...arguments);\n return _this;\n };\n });\n const deferred = defer();\n const load = () => {\n const finish = (err, t) => {\n if (this.isInitialized && !this.initializedStoreOnce) this.logger.warn('init: i18next is already initialized. You should call init just once!');\n this.isInitialized = true;\n if (!this.options.isClone) this.logger.log('initialized', this.options);\n this.emit('initialized', this.options);\n deferred.resolve(t);\n callback(err, t);\n };\n if (this.languages && this.options.compatibilityAPI !== 'v1' && !this.isInitialized) return finish(null, this.t.bind(this));\n this.changeLanguage(this.options.lng, finish);\n };\n if (this.options.resources || !this.options.initImmediate) {\n load();\n } else {\n setTimeout(load, 0);\n }\n return deferred;\n }\n loadResources(language) {\n let callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : noop;\n let usedCallback = callback;\n const usedLng = typeof language === 'string' ? language : this.language;\n if (typeof language === 'function') usedCallback = language;\n if (!this.options.resources || this.options.partialBundledLanguages) {\n if (usedLng && usedLng.toLowerCase() === 'cimode' && (!this.options.preload || this.options.preload.length === 0)) return usedCallback();\n const toLoad = [];\n const append = lng => {\n if (!lng) return;\n if (lng === 'cimode') return;\n const lngs = this.services.languageUtils.toResolveHierarchy(lng);\n lngs.forEach(l => {\n if (l === 'cimode') return;\n if (toLoad.indexOf(l) < 0) toLoad.push(l);\n });\n };\n if (!usedLng) {\n const fallbacks = this.services.languageUtils.getFallbackCodes(this.options.fallbackLng);\n fallbacks.forEach(l => append(l));\n } else {\n append(usedLng);\n }\n if (this.options.preload) {\n this.options.preload.forEach(l => append(l));\n }\n this.services.backendConnector.load(toLoad, this.options.ns, e => {\n if (!e && !this.resolvedLanguage && this.language) this.setResolvedLanguage(this.language);\n usedCallback(e);\n });\n } else {\n usedCallback(null);\n }\n }\n reloadResources(lngs, ns, callback) {\n const deferred = defer();\n if (!lngs) lngs = this.languages;\n if (!ns) ns = this.options.ns;\n if (!callback) callback = noop;\n this.services.backendConnector.reload(lngs, ns, err => {\n deferred.resolve();\n callback(err);\n });\n return deferred;\n }\n use(module) {\n if (!module) throw new Error('You are passing an undefined module! Please check the object you are passing to i18next.use()');\n if (!module.type) throw new Error('You are passing a wrong module! Please check the object you are passing to i18next.use()');\n if (module.type === 'backend') {\n this.modules.backend = module;\n }\n if (module.type === 'logger' || module.log && module.warn && module.error) {\n this.modules.logger = module;\n }\n if (module.type === 'languageDetector') {\n this.modules.languageDetector = module;\n }\n if (module.type === 'i18nFormat') {\n this.modules.i18nFormat = module;\n }\n if (module.type === 'postProcessor') {\n postProcessor.addPostProcessor(module);\n }\n if (module.type === 'formatter') {\n this.modules.formatter = module;\n }\n if (module.type === '3rdParty') {\n this.modules.external.push(module);\n }\n return this;\n }\n setResolvedLanguage(l) {\n if (!l || !this.languages) return;\n if (['cimode', 'dev'].indexOf(l) > -1) return;\n for (let li = 0; li < this.languages.length; li++) {\n const lngInLngs = this.languages[li];\n if (['cimode', 'dev'].indexOf(lngInLngs) > -1) continue;\n if (this.store.hasLanguageSomeTranslations(lngInLngs)) {\n this.resolvedLanguage = lngInLngs;\n break;\n }\n }\n }\n changeLanguage(lng, callback) {\n var _this2 = this;\n this.isLanguageChangingTo = lng;\n const deferred = defer();\n this.emit('languageChanging', lng);\n const setLngProps = l => {\n this.language = l;\n this.languages = this.services.languageUtils.toResolveHierarchy(l);\n this.resolvedLanguage = undefined;\n this.setResolvedLanguage(l);\n };\n const done = (err, l) => {\n if (l) {\n setLngProps(l);\n this.translator.changeLanguage(l);\n this.isLanguageChangingTo = undefined;\n this.emit('languageChanged', l);\n this.logger.log('languageChanged', l);\n } else {\n this.isLanguageChangingTo = undefined;\n }\n deferred.resolve(function () {\n return _this2.t(...arguments);\n });\n if (callback) callback(err, function () {\n return _this2.t(...arguments);\n });\n };\n const setLng = lngs => {\n if (!lng && !lngs && this.services.languageDetector) lngs = [];\n const l = typeof lngs === 'string' ? lngs : this.services.languageUtils.getBestMatchFromCodes(lngs);\n if (l) {\n if (!this.language) {\n setLngProps(l);\n }\n if (!this.translator.language) this.translator.changeLanguage(l);\n if (this.services.languageDetector && this.services.languageDetector.cacheUserLanguage) this.services.languageDetector.cacheUserLanguage(l);\n }\n this.loadResources(l, err => {\n done(err, l);\n });\n };\n if (!lng && this.services.languageDetector && !this.services.languageDetector.async) {\n setLng(this.services.languageDetector.detect());\n } else if (!lng && this.services.languageDetector && this.services.languageDetector.async) {\n if (this.services.languageDetector.detect.length === 0) {\n this.services.languageDetector.detect().then(setLng);\n } else {\n this.services.languageDetector.detect(setLng);\n }\n } else {\n setLng(lng);\n }\n return deferred;\n }\n getFixedT(lng, ns, keyPrefix) {\n var _this3 = this;\n const fixedT = function (key, opts) {\n let options;\n if (typeof opts !== 'object') {\n for (var _len3 = arguments.length, rest = new Array(_len3 > 2 ? _len3 - 2 : 0), _key3 = 2; _key3 < _len3; _key3++) {\n rest[_key3 - 2] = arguments[_key3];\n }\n options = _this3.options.overloadTranslationOptionHandler([key, opts].concat(rest));\n } else {\n options = {\n ...opts\n };\n }\n options.lng = options.lng || fixedT.lng;\n options.lngs = options.lngs || fixedT.lngs;\n options.ns = options.ns || fixedT.ns;\n options.keyPrefix = options.keyPrefix || keyPrefix || fixedT.keyPrefix;\n const keySeparator = _this3.options.keySeparator || '.';\n let resultKey;\n if (options.keyPrefix && Array.isArray(key)) {\n resultKey = key.map(k => `${options.keyPrefix}${keySeparator}${k}`);\n } else {\n resultKey = options.keyPrefix ? `${options.keyPrefix}${keySeparator}${key}` : key;\n }\n return _this3.t(resultKey, options);\n };\n if (typeof lng === 'string') {\n fixedT.lng = lng;\n } else {\n fixedT.lngs = lng;\n }\n fixedT.ns = ns;\n fixedT.keyPrefix = keyPrefix;\n return fixedT;\n }\n t() {\n return this.translator && this.translator.translate(...arguments);\n }\n exists() {\n return this.translator && this.translator.exists(...arguments);\n }\n setDefaultNamespace(ns) {\n this.options.defaultNS = ns;\n }\n hasLoadedNamespace(ns) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n if (!this.isInitialized) {\n this.logger.warn('hasLoadedNamespace: i18next was not initialized', this.languages);\n return false;\n }\n if (!this.languages || !this.languages.length) {\n this.logger.warn('hasLoadedNamespace: i18n.languages were undefined or empty', this.languages);\n return false;\n }\n const lng = options.lng || this.resolvedLanguage || this.languages[0];\n const fallbackLng = this.options ? this.options.fallbackLng : false;\n const lastLng = this.languages[this.languages.length - 1];\n if (lng.toLowerCase() === 'cimode') return true;\n const loadNotPending = (l, n) => {\n const loadState = this.services.backendConnector.state[`${l}|${n}`];\n return loadState === -1 || loadState === 2;\n };\n if (options.precheck) {\n const preResult = options.precheck(this, loadNotPending);\n if (preResult !== undefined) return preResult;\n }\n if (this.hasResourceBundle(lng, ns)) return true;\n if (!this.services.backendConnector.backend || this.options.resources && !this.options.partialBundledLanguages) return true;\n if (loadNotPending(lng, ns) && (!fallbackLng || loadNotPending(lastLng, ns))) return true;\n return false;\n }\n loadNamespaces(ns, callback) {\n const deferred = defer();\n if (!this.options.ns) {\n if (callback) callback();\n return Promise.resolve();\n }\n if (typeof ns === 'string') ns = [ns];\n ns.forEach(n => {\n if (this.options.ns.indexOf(n) < 0) this.options.ns.push(n);\n });\n this.loadResources(err => {\n deferred.resolve();\n if (callback) callback(err);\n });\n return deferred;\n }\n loadLanguages(lngs, callback) {\n const deferred = defer();\n if (typeof lngs === 'string') lngs = [lngs];\n const preloaded = this.options.preload || [];\n const newLngs = lngs.filter(lng => preloaded.indexOf(lng) < 0);\n if (!newLngs.length) {\n if (callback) callback();\n return Promise.resolve();\n }\n this.options.preload = preloaded.concat(newLngs);\n this.loadResources(err => {\n deferred.resolve();\n if (callback) callback(err);\n });\n return deferred;\n }\n dir(lng) {\n if (!lng) lng = this.resolvedLanguage || (this.languages && this.languages.length > 0 ? this.languages[0] : this.language);\n if (!lng) return 'rtl';\n const rtlLngs = ['ar', 'shu', 'sqr', 'ssh', 'xaa', 'yhd', 'yud', 'aao', 'abh', 'abv', 'acm', 'acq', 'acw', 'acx', 'acy', 'adf', 'ads', 'aeb', 'aec', 'afb', 'ajp', 'apc', 'apd', 'arb', 'arq', 'ars', 'ary', 'arz', 'auz', 'avl', 'ayh', 'ayl', 'ayn', 'ayp', 'bbz', 'pga', 'he', 'iw', 'ps', 'pbt', 'pbu', 'pst', 'prp', 'prd', 'ug', 'ur', 'ydd', 'yds', 'yih', 'ji', 'yi', 'hbo', 'men', 'xmn', 'fa', 'jpr', 'peo', 'pes', 'prs', 'dv', 'sam', 'ckb'];\n const languageUtils = this.services && this.services.languageUtils || new LanguageUtil(get());\n return rtlLngs.indexOf(languageUtils.getLanguagePartFromCode(lng)) > -1 || lng.toLowerCase().indexOf('-arab') > 1 ? 'rtl' : 'ltr';\n }\n static createInstance() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n let callback = arguments.length > 1 ? arguments[1] : undefined;\n return new I18n(options, callback);\n }\n cloneInstance() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n let callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : noop;\n const forkResourceStore = options.forkResourceStore;\n if (forkResourceStore) delete options.forkResourceStore;\n const mergedOptions = {\n ...this.options,\n ...options,\n ...{\n isClone: true\n }\n };\n const clone = new I18n(mergedOptions);\n if (options.debug !== undefined || options.prefix !== undefined) {\n clone.logger = clone.logger.clone(options);\n }\n const membersToCopy = ['store', 'services', 'language'];\n membersToCopy.forEach(m => {\n clone[m] = this[m];\n });\n clone.services = {\n ...this.services\n };\n clone.services.utils = {\n hasLoadedNamespace: clone.hasLoadedNamespace.bind(clone)\n };\n if (forkResourceStore) {\n clone.store = new ResourceStore(this.store.data, mergedOptions);\n clone.services.resourceStore = clone.store;\n }\n clone.translator = new Translator(clone.services, mergedOptions);\n clone.translator.on('*', function (event) {\n for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {\n args[_key4 - 1] = arguments[_key4];\n }\n clone.emit(event, ...args);\n });\n clone.init(mergedOptions, callback);\n clone.translator.options = mergedOptions;\n clone.translator.backendConnector.services.utils = {\n hasLoadedNamespace: clone.hasLoadedNamespace.bind(clone)\n };\n return clone;\n }\n toJSON() {\n return {\n options: this.options,\n store: this.store,\n language: this.language,\n languages: this.languages,\n resolvedLanguage: this.resolvedLanguage\n };\n }\n}\nconst instance = I18n.createInstance();\ninstance.createInstance = I18n.createInstance;\n\nconst createInstance = instance.createInstance;\nconst dir = instance.dir;\nconst init = instance.init;\nconst loadResources = instance.loadResources;\nconst reloadResources = instance.reloadResources;\nconst use = instance.use;\nconst changeLanguage = instance.changeLanguage;\nconst getFixedT = instance.getFixedT;\nconst t = instance.t;\nconst exists = instance.exists;\nconst setDefaultNamespace = instance.setDefaultNamespace;\nconst hasLoadedNamespace = instance.hasLoadedNamespace;\nconst loadNamespaces = instance.loadNamespaces;\nconst loadLanguages = instance.loadLanguages;\n\nexport { changeLanguage, createInstance, instance as default, dir, exists, getFixedT, hasLoadedNamespace, init, loadLanguages, loadNamespaces, loadResources, reloadResources, setDefaultNamespace, t, use };\n","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.21';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function',\n INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading whitespace. */\n var reTrimStart = /^\\s+/;\n\n /** Used to match a single whitespace character. */\n var reWhitespace = /\\s/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /**\n * Used to validate the `validate` option in `_.template` variable.\n *\n * Forbids characters which could potentially change the meaning of the function argument definition:\n * - \"(),\" (modification of function parameters)\n * - \"=\" (default value)\n * - \"[]{}\" (destructuring of function parameters)\n * - \"/\" (beginning of a comment)\n * - whitespace\n */\n var reForbiddenIdentifierChars = /[()=,{}\\[\\]\\/\\s]/;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&amp;',\n '<': '&lt;',\n '>': '&gt;',\n '\"': '&quot;',\n \"'\": '&#39;'\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&amp;': '&',\n '&lt;': '<',\n '&gt;': '>',\n '&quot;': '\"',\n '&#39;': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\n function baseTrim(string) {\n return string\n ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n : string;\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\n function trimmedEndIndex(string) {\n var index = string.length;\n\n while (index-- && reWhitespace.test(string.charAt(index))) {}\n return index;\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function(iteratee) {\n if (isArray(iteratee)) {\n return function(value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n }\n }\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '<p>' + func(text) + '</p>';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => '<p>fred, barney, &amp; pebbles</p>'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('<body>');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, &amp; pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<b><%- value %></b>');\n * compiled({ 'value': '<script>' });\n * // => '<b>&lt;script&gt;</b>'\n *\n * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n * compiled({ 'users': ['fred', 'barney'] });\n * // => '<li>fred</li><li>barney</li>'\n *\n * // Use the internal `print` function in \"evaluate\" delimiters.\n * var compiled = _.template('<% print(\"hello \" + user); %>!');\n * compiled({ 'user': 'barney' });\n * // => 'hello barney!'\n *\n * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n * // Disable support by replacing the \"interpolate\" delimiter.\n * var compiled = _.template('hello ${ user }!');\n * compiled({ 'user': 'pebbles' });\n * // => 'hello pebbles!'\n *\n * // Use backslashes to treat delimiters as plain text.\n * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n * compiled({ 'value': 'ignored' });\n * // => '<%- value %>'\n *\n * // Use the `imports` option to import `jQuery` as `jq`.\n * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n * compiled({ 'users': ['fred', 'barney'] });\n * // => '<li>fred</li><li>barney</li>'\n *\n * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n * compiled(data);\n * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n *\n * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n * compiled.source;\n * // => function(data) {\n * // var __t, __p = '';\n * // __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n * // return __p;\n * // }\n *\n * // Use custom template delimiters.\n * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n * var compiled = _.template('hello {{ user }}!');\n * compiled({ 'user': 'mustache' });\n * // => 'hello mustache!'\n *\n * // Use the `source` property to inline compiled templates for meaningful\n * // line numbers in error messages and stack traces.\n * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n * var JST = {\\\n * \"main\": ' + _.template(mainText).source + '\\\n * };\\\n * ');\n */\n function template(string, options, guard) {\n // Based on John Resig's `tmpl` implementation\n // (http://ejohn.org/blog/javascript-micro-templating/)\n // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n var settings = lodash.templateSettings;\n\n if (guard && isIterateeCall(string, options, guard)) {\n options = undefined;\n }\n string = toString(string);\n options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n importsKeys = keys(imports),\n importsValues = baseValues(imports, importsKeys);\n\n var isEscaping,\n isEvaluating,\n index = 0,\n interpolate = options.interpolate || reNoMatch,\n source = \"__p += '\";\n\n // Compile the regexp to match each delimiter.\n var reDelimiters = RegExp(\n (options.escape || reNoMatch).source + '|' +\n interpolate.source + '|' +\n (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n (options.evaluate || reNoMatch).source + '|$'\n , 'g');\n\n // Use a sourceURL for easier debugging.\n // The sourceURL gets injected into the source that's eval-ed, so be careful\n // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in\n // and escape the comment, thus injecting code that gets evaled.\n var sourceURL = '//# sourceURL=' +\n (hasOwnProperty.call(options, 'sourceURL')\n ? (options.sourceURL + '').replace(/\\s/g, ' ')\n : ('lodash.templateSources[' + (++templateCounter) + ']')\n ) + '\\n';\n\n string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n interpolateValue || (interpolateValue = esTemplateValue);\n\n // Escape characters that can't be included in string literals.\n source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n // Replace delimiters with snippets.\n if (escapeValue) {\n isEscaping = true;\n source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n }\n if (evaluateValue) {\n isEvaluating = true;\n source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n }\n if (interpolateValue) {\n source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n }\n index = offset + match.length;\n\n // The JS engine embedded in Adobe products needs `match` returned in\n // order to produce the correct `offset` value.\n return match;\n });\n\n source += \"';\\n\";\n\n // If `variable` is not specified wrap a with-statement around the generated\n // code to add the data object to the top of the scope chain.\n var variable = hasOwnProperty.call(options, 'variable') && options.variable;\n if (!variable) {\n source = 'with (obj) {\\n' + source + '\\n}\\n';\n }\n // Throw an error if a forbidden character was found in `variable`, to prevent\n // potential command injection attacks.\n else if (reForbiddenIdentifierChars.test(variable)) {\n throw new Error(INVALID_TEMPL_VAR_ERROR_TEXT);\n }\n\n // Cleanup code by stripping empty strings.\n source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n .replace(reEmptyStringMiddle, '$1')\n .replace(reEmptyStringTrailing, '$1;');\n\n // Frame code as the function body.\n source = 'function(' + (variable || 'obj') + ') {\\n' +\n (variable\n ? ''\n : 'obj || (obj = {});\\n'\n ) +\n \"var __t, __p = ''\" +\n (isEscaping\n ? ', __e = _.escape'\n : ''\n ) +\n (isEvaluating\n ? ', __j = Array.prototype.join;\\n' +\n \"function print() { __p += __j.call(arguments, '') }\\n\"\n : ';\\n'\n ) +\n source +\n 'return __p\\n}';\n\n var result = attempt(function() {\n return Function(importsKeys, sourceURL + 'return ' + source)\n .apply(undefined, importsValues);\n });\n\n // Provide the compiled function's source by its `toString` method or\n // the `source` property as a convenience for inlining compiled templates.\n result.source = source;\n if (isError(result)) {\n throw result;\n }\n return result;\n }\n\n /**\n * Converts `string`, as a whole, to lower case just like\n * [String#toLowerCase](https://mdn.io/toLowerCase).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.toLower('--Foo-Bar--');\n * // => '--foo-bar--'\n *\n * _.toLower('fooBar');\n * // => 'foobar'\n *\n * _.toLower('__FOO_BAR__');\n * // => '__foo_bar__'\n */\n function toLower(value) {\n return toString(value).toLowerCase();\n }\n\n /**\n * Converts `string`, as a whole, to upper case just like\n * [String#toUpperCase](https://mdn.io/toUpperCase).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the upper cased string.\n * @example\n *\n * _.toUpper('--foo-bar--');\n * // => '--FOO-BAR--'\n *\n * _.toUpper('fooBar');\n * // => 'FOOBAR'\n *\n * _.toUpper('__foo_bar__');\n * // => '__FOO_BAR__'\n */\n function toUpper(value) {\n return toString(value).toUpperCase();\n }\n\n /**\n * Removes leading and trailing whitespace or specified characters from `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to trim.\n * @param {string} [chars=whitespace] The characters to trim.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the trimmed string.\n * @example\n *\n * _.trim(' abc ');\n * // => 'abc'\n *\n * _.trim('-_-abc-_-', '_-');\n * // => 'abc'\n *\n * _.map([' foo ', ' bar '], _.trim);\n * // => ['foo', 'bar']\n */\n function trim(string, chars, guard) {\n string = toString(string);\n if (string && (guard || chars === undefined)) {\n return baseTrim(string);\n }\n if (!string || !(chars = baseToString(chars))) {\n return string;\n }\n var strSymbols = stringToArray(string),\n chrSymbols = stringToArray(chars),\n start = charsStartIndex(strSymbols, chrSymbols),\n end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n return castSlice(strSymbols, start, end).join('');\n }\n\n /**\n * Removes trailing whitespace or specified characters from `string`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to trim.\n * @param {string} [chars=whitespace] The characters to trim.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the trimmed string.\n * @example\n *\n * _.trimEnd(' abc ');\n * // => ' abc'\n *\n * _.trimEnd('-_-abc-_-', '_-');\n * // => '-_-abc'\n */\n function trimEnd(string, chars, guard) {\n string = toString(string);\n if (string && (guard || chars === undefined)) {\n return string.slice(0, trimmedEndIndex(string) + 1);\n }\n if (!string || !(chars = baseToString(chars))) {\n return string;\n }\n var strSymbols = stringToArray(string),\n end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n return castSlice(strSymbols, 0, end).join('');\n }\n\n /**\n * Removes leading whitespace or specified characters from `string`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to trim.\n * @param {string} [chars=whitespace] The characters to trim.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the trimmed string.\n * @example\n *\n * _.trimStart(' abc ');\n * // => 'abc '\n *\n * _.trimStart('-_-abc-_-', '_-');\n * // => 'abc-_-'\n */\n function trimStart(string, chars, guard) {\n string = toString(string);\n if (string && (guard || chars === undefined)) {\n return string.replace(reTrimStart, '');\n }\n if (!string || !(chars = baseToString(chars))) {\n return string;\n }\n var strSymbols = stringToArray(string),\n start = charsStartIndex(strSymbols, stringToArray(chars));\n\n return castSlice(strSymbols, start).join('');\n }\n\n /**\n * Truncates `string` if it's longer than the given maximum string length.\n * The last characters of the truncated string are replaced with the omission\n * string which defaults to \"...\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to truncate.\n * @param {Object} [options={}] The options object.\n * @param {number} [options.length=30] The maximum string length.\n * @param {string} [options.omission='...'] The string to indicate text is omitted.\n * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n * @returns {string} Returns the truncated string.\n * @example\n *\n * _.truncate('hi-diddly-ho there, neighborino');\n * // => 'hi-diddly-ho there, neighbo...'\n *\n * _.truncate('hi-diddly-ho there, neighborino', {\n * 'length': 24,\n * 'separator': ' '\n * });\n * // => 'hi-diddly-ho there,...'\n *\n * _.truncate('hi-diddly-ho there, neighborino', {\n * 'length': 24,\n * 'separator': /,? +/\n * });\n * // => 'hi-diddly-ho there...'\n *\n * _.truncate('hi-diddly-ho there, neighborino', {\n * 'omission': ' [...]'\n * });\n * // => 'hi-diddly-ho there, neig [...]'\n */\n function truncate(string, options) {\n var length = DEFAULT_TRUNC_LENGTH,\n omission = DEFAULT_TRUNC_OMISSION;\n\n if (isObject(options)) {\n var separator = 'separator' in options ? options.separator : separator;\n length = 'length' in options ? toInteger(options.length) : length;\n omission = 'omission' in options ? baseToString(options.omission) : omission;\n }\n string = toString(string);\n\n var strLength = string.length;\n if (hasUnicode(string)) {\n var strSymbols = stringToArray(string);\n strLength = strSymbols.length;\n }\n if (length >= strLength) {\n return string;\n }\n var end = length - stringSize(omission);\n if (end < 1) {\n return omission;\n }\n var result = strSymbols\n ? castSlice(strSymbols, 0, end).join('')\n : string.slice(0, end);\n\n if (separator === undefined) {\n return result + omission;\n }\n if (strSymbols) {\n end += (result.length - end);\n }\n if (isRegExp(separator)) {\n if (string.slice(end).search(separator)) {\n var match,\n substring = result;\n\n if (!separator.global) {\n separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n }\n separator.lastIndex = 0;\n while ((match = separator.exec(substring))) {\n var newEnd = match.index;\n }\n result = result.slice(0, newEnd === undefined ? end : newEnd);\n }\n } else if (string.indexOf(baseToString(separator), end) != end) {\n var index = result.lastIndexOf(separator);\n if (index > -1) {\n result = result.slice(0, index);\n }\n }\n return result + omission;\n }\n\n /**\n * The inverse of `_.escape`; this method converts the HTML entities\n * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n * their corresponding characters.\n *\n * **Note:** No other HTML entities are unescaped. To unescape additional\n * HTML entities use a third-party library like [_he_](https://mths.be/he).\n *\n * @static\n * @memberOf _\n * @since 0.6.0\n * @category String\n * @param {string} [string=''] The string to unescape.\n * @returns {string} Returns the unescaped string.\n * @example\n *\n * _.unescape('fred, barney, &amp; pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function unescape(string) {\n string = toString(string);\n return (string && reHasEscapedHtml.test(string))\n ? string.replace(reEscapedHtml, unescapeHtmlChar)\n : string;\n }\n\n /**\n * Converts `string`, as space separated words, to upper case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the upper cased string.\n * @example\n *\n * _.upperCase('--foo-bar');\n * // => 'FOO BAR'\n *\n * _.upperCase('fooBar');\n * // => 'FOO BAR'\n *\n * _.upperCase('__foo_bar__');\n * // => 'FOO BAR'\n */\n var upperCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toUpperCase();\n });\n\n /**\n * Converts the first character of `string` to upper case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.upperFirst('fred');\n * // => 'Fred'\n *\n * _.upperFirst('FRED');\n * // => 'FRED'\n */\n var upperFirst = createCaseFirst('toUpperCase');\n\n /**\n * Splits `string` into an array of its words.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {RegExp|string} [pattern] The pattern to match words.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the words of `string`.\n * @example\n *\n * _.words('fred, barney, & pebbles');\n * // => ['fred', 'barney', 'pebbles']\n *\n * _.words('fred, barney, & pebbles', /[^, ]+/g);\n * // => ['fred', 'barney', '&', 'pebbles']\n */\n function words(string, pattern, guard) {\n string = toString(string);\n pattern = guard ? undefined : pattern;\n\n if (pattern === undefined) {\n return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n }\n return string.match(pattern) || [];\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Attempts to invoke `func`, returning either the result or the caught error\n * object. Any additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Util\n * @param {Function} func The function to attempt.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {*} Returns the `func` result or error object.\n * @example\n *\n * // Avoid throwing errors for invalid selectors.\n * var elements = _.attempt(function(selector) {\n * return document.querySelectorAll(selector);\n * }, '>_>');\n *\n * if (_.isError(elements)) {\n * elements = [];\n * }\n */\n var attempt = baseRest(function(func, args) {\n try {\n return apply(func, undefined, args);\n } catch (e) {\n return isError(e) ? e : new Error(e);\n }\n });\n\n /**\n * Binds methods of an object to the object itself, overwriting the existing\n * method.\n *\n * **Note:** This method doesn't set the \"length\" property of bound functions.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {Object} object The object to bind and assign the bound methods to.\n * @param {...(string|string[])} methodNames The object method names to bind.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var view = {\n * 'label': 'docs',\n * 'click': function() {\n * console.log('clicked ' + this.label);\n * }\n * };\n *\n * _.bindAll(view, ['click']);\n * jQuery(element).on('click', view.click);\n * // => Logs 'clicked docs' when clicked.\n */\n var bindAll = flatRest(function(object, methodNames) {\n arrayEach(methodNames, function(key) {\n key = toKey(key);\n baseAssignValue(object, key, bind(object[key], object));\n });\n return object;\n });\n\n /**\n * Creates a function that iterates over `pairs` and invokes the corresponding\n * function of the first predicate to return truthy. The predicate-function\n * pairs are invoked with the `this` binding and arguments of the created\n * function.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {Array} pairs The predicate-function pairs.\n * @returns {Function} Returns the new composite function.\n * @example\n *\n * var func = _.cond([\n * [_.matches({ 'a': 1 }), _.constant('matches A')],\n * [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n * [_.stubTrue, _.constant('no match')]\n * ]);\n *\n * func({ 'a': 1, 'b': 2 });\n * // => 'matches A'\n *\n * func({ 'a': 0, 'b': 1 });\n * // => 'matches B'\n *\n * func({ 'a': '1', 'b': '2' });\n * // => 'no match'\n */\n function cond(pairs) {\n var length = pairs == null ? 0 : pairs.length,\n toIteratee = getIteratee();\n\n pairs = !length ? [] : arrayMap(pairs, function(pair) {\n if (typeof pair[1] != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return [toIteratee(pair[0]), pair[1]];\n });\n\n return baseRest(function(args) {\n var index = -1;\n while (++index < length) {\n var pair = pairs[index];\n if (apply(pair[0], this, args)) {\n return apply(pair[1], this, args);\n }\n }\n });\n }\n\n /**\n * Creates a function that invokes the predicate properties of `source` with\n * the corresponding property values of a given object, returning `true` if\n * all predicates return truthy, else `false`.\n *\n * **Note:** The created function is equivalent to `_.conformsTo` with\n * `source` partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n * @example\n *\n * var objects = [\n * { 'a': 2, 'b': 1 },\n * { 'a': 1, 'b': 2 }\n * ];\n *\n * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n * // => [{ 'a': 1, 'b': 2 }]\n */\n function conforms(source) {\n return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n }\n\n /**\n * Creates a function that returns `value`.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {*} value The value to return from the new function.\n * @returns {Function} Returns the new constant function.\n * @example\n *\n * var objects = _.times(2, _.constant({ 'a': 1 }));\n *\n * console.log(objects);\n * // => [{ 'a': 1 }, { 'a': 1 }]\n *\n * console.log(objects[0] === objects[1]);\n * // => true\n */\n function constant(value) {\n return function() {\n return value;\n };\n }\n\n /**\n * Checks `value` to determine whether a default value should be returned in\n * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n * or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Util\n * @param {*} value The value to check.\n * @param {*} defaultValue The default value.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * _.defaultTo(1, 10);\n * // => 1\n *\n * _.defaultTo(undefined, 10);\n * // => 10\n */\n function defaultTo(value, defaultValue) {\n return (value == null || value !== value) ? defaultValue : value;\n }\n\n /**\n * Creates a function that returns the result of invoking the given functions\n * with the `this` binding of the created function, where each successive\n * invocation is supplied the return value of the previous.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Util\n * @param {...(Function|Function[])} [funcs] The functions to invoke.\n * @returns {Function} Returns the new composite function.\n * @see _.flowRight\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var addSquare = _.flow([_.add, square]);\n * addSquare(1, 2);\n * // => 9\n */\n var flow = createFlow();\n\n /**\n * This method is like `_.flow` except that it creates a function that\n * invokes the given functions from right to left.\n *\n * @static\n * @since 3.0.0\n * @memberOf _\n * @category Util\n * @param {...(Function|Function[])} [funcs] The functions to invoke.\n * @returns {Function} Returns the new composite function.\n * @see _.flow\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var addSquare = _.flowRight([square, _.add]);\n * addSquare(1, 2);\n * // => 9\n */\n var flowRight = createFlow(true);\n\n /**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\n function identity(value) {\n return value;\n }\n\n /**\n * Creates a function that invokes `func` with the arguments of the created\n * function. If `func` is a property name, the created function returns the\n * property value for a given element. If `func` is an array or object, the\n * created function returns `true` for elements that contain the equivalent\n * source properties, otherwise it returns `false`.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Util\n * @param {*} [func=_.identity] The value to convert to a callback.\n * @returns {Function} Returns the callback.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, _.iteratee(['user', 'fred']));\n * // => [{ 'user': 'fred', 'age': 40 }]\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, _.iteratee('user'));\n * // => ['barney', 'fred']\n *\n * // Create custom iteratee shorthands.\n * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n * return !_.isRegExp(func) ? iteratee(func) : function(string) {\n * return func.test(string);\n * };\n * });\n *\n * _.filter(['abc', 'def'], /ef/);\n * // => ['def']\n */\n function iteratee(func) {\n return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n }\n\n /**\n * Creates a function that performs a partial deep comparison between a given\n * object and `source`, returning `true` if the given object has equivalent\n * property values, else `false`.\n *\n * **Note:** The created function is equivalent to `_.isMatch` with `source`\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * **Note:** Multiple values can be checked by combining several matchers\n * using `_.overSome`\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Util\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n * @example\n *\n * var objects = [\n * { 'a': 1, 'b': 2, 'c': 3 },\n * { 'a': 4, 'b': 5, 'c': 6 }\n * ];\n *\n * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n *\n * // Checking for several possible values\n * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));\n * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]\n */\n function matches(source) {\n return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n }\n\n /**\n * Creates a function that performs a partial deep comparison between the\n * value at `path` of a given object to `srcValue`, returning `true` if the\n * object value is equivalent, else `false`.\n *\n * **Note:** Partial comparisons will match empty array and empty object\n * `srcValue` values against any array or object value, respectively. See\n * `_.isEqual` for a list of supported value comparisons.\n *\n * **Note:** Multiple values can be checked by combining several matchers\n * using `_.overSome`\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Util\n * @param {Array|string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n * @example\n *\n * var objects = [\n * { 'a': 1, 'b': 2, 'c': 3 },\n * { 'a': 4, 'b': 5, 'c': 6 }\n * ];\n *\n * _.find(objects, _.matchesProperty('a', 4));\n * // => { 'a': 4, 'b': 5, 'c': 6 }\n *\n * // Checking for several possible values\n * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));\n * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]\n */\n function matchesProperty(path, srcValue) {\n return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n }\n\n /**\n * Creates a function that invokes the method at `path` of a given object.\n * Any additional arguments are provided to the invoked method.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Util\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {Function} Returns the new invoker function.\n * @example\n *\n * var objects = [\n * { 'a': { 'b': _.constant(2) } },\n * { 'a': { 'b': _.constant(1) } }\n * ];\n *\n * _.map(objects, _.method('a.b'));\n * // => [2, 1]\n *\n * _.map(objects, _.method(['a', 'b']));\n * // => [2, 1]\n */\n var method = baseRest(function(path, args) {\n return function(object) {\n return baseInvoke(object, path, args);\n };\n });\n\n /**\n * The opposite of `_.method`; this method creates a function that invokes\n * the method at a given path of `object`. Any additional arguments are\n * provided to the invoked method.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Util\n * @param {Object} object The object to query.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {Function} Returns the new invoker function.\n * @example\n *\n * var array = _.times(3, _.constant),\n * object = { 'a': array, 'b': array, 'c': array };\n *\n * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n * // => [2, 0]\n *\n * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n * // => [2, 0]\n */\n var methodOf = baseRest(function(object, args) {\n return function(path) {\n return baseInvoke(object, path, args);\n };\n });\n\n /**\n * Adds all own enumerable string keyed function properties of a source\n * object to the destination object. If `object` is a function, then methods\n * are added to its prototype as well.\n *\n * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n * avoid conflicts caused by modifying the original.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {Function|Object} [object=lodash] The destination object.\n * @param {Object} source The object of functions to add.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n * @returns {Function|Object} Returns `object`.\n * @example\n *\n * function vowels(string) {\n * return _.filter(string, function(v) {\n * return /[aeiou]/i.test(v);\n * });\n * }\n *\n * _.mixin({ 'vowels': vowels });\n * _.vowels('fred');\n * // => ['e']\n *\n * _('fred').vowels().value();\n * // => ['e']\n *\n * _.mixin({ 'vowels': vowels }, { 'chain': false });\n * _('fred').vowels();\n * // => ['e']\n */\n function mixin(object, source, options) {\n var props = keys(source),\n methodNames = baseFunctions(source, props);\n\n if (options == null &&\n !(isObject(source) && (methodNames.length || !props.length))) {\n options = source;\n source = object;\n object = this;\n methodNames = baseFunctions(source, keys(source));\n }\n var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n isFunc = isFunction(object);\n\n arrayEach(methodNames, function(methodName) {\n var func = source[methodName];\n object[methodName] = func;\n if (isFunc) {\n object.prototype[methodName] = function() {\n var chainAll = this.__chain__;\n if (chain || chainAll) {\n var result = object(this.__wrapped__),\n actions = result.__actions__ = copyArray(this.__actions__);\n\n actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n result.__chain__ = chainAll;\n return result;\n }\n return func.apply(object, arrayPush([this.value()], arguments));\n };\n }\n });\n\n return object;\n }\n\n /**\n * Reverts the `_` variable to its previous value and returns a reference to\n * the `lodash` function.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @returns {Function} Returns the `lodash` function.\n * @example\n *\n * var lodash = _.noConflict();\n */\n function noConflict() {\n if (root._ === this) {\n root._ = oldDash;\n }\n return this;\n }\n\n /**\n * This method returns `undefined`.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Util\n * @example\n *\n * _.times(2, _.noop);\n * // => [undefined, undefined]\n */\n function noop() {\n // No operation performed.\n }\n\n /**\n * Creates a function that gets the argument at index `n`. If `n` is negative,\n * the nth argument from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {number} [n=0] The index of the argument to return.\n * @returns {Function} Returns the new pass-thru function.\n * @example\n *\n * var func = _.nthArg(1);\n * func('a', 'b', 'c', 'd');\n * // => 'b'\n *\n * var func = _.nthArg(-2);\n * func('a', 'b', 'c', 'd');\n * // => 'c'\n */\n function nthArg(n) {\n n = toInteger(n);\n return baseRest(function(args) {\n return baseNth(args, n);\n });\n }\n\n /**\n * Creates a function that invokes `iteratees` with the arguments it receives\n * and returns their results.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to invoke.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var func = _.over([Math.max, Math.min]);\n *\n * func(1, 2, 3, 4);\n * // => [4, 1]\n */\n var over = createOver(arrayMap);\n\n /**\n * Creates a function that checks if **all** of the `predicates` return\n * truthy when invoked with the arguments it receives.\n *\n * Following shorthands are possible for providing predicates.\n * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.\n * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {...(Function|Function[])} [predicates=[_.identity]]\n * The predicates to check.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var func = _.overEvery([Boolean, isFinite]);\n *\n * func('1');\n * // => true\n *\n * func(null);\n * // => false\n *\n * func(NaN);\n * // => false\n */\n var overEvery = createOver(arrayEvery);\n\n /**\n * Creates a function that checks if **any** of the `predicates` return\n * truthy when invoked with the arguments it receives.\n *\n * Following shorthands are possible for providing predicates.\n * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.\n * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {...(Function|Function[])} [predicates=[_.identity]]\n * The predicates to check.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var func = _.overSome([Boolean, isFinite]);\n *\n * func('1');\n * // => true\n *\n * func(null);\n * // => true\n *\n * func(NaN);\n * // => false\n *\n * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])\n * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])\n */\n var overSome = createOver(arraySome);\n\n /**\n * Creates a function that returns the value at `path` of a given object.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Util\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n * @example\n *\n * var objects = [\n * { 'a': { 'b': 2 } },\n * { 'a': { 'b': 1 } }\n * ];\n *\n * _.map(objects, _.property('a.b'));\n * // => [2, 1]\n *\n * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n * // => [1, 2]\n */\n function property(path) {\n return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n }\n\n /**\n * The opposite of `_.property`; this method creates a function that returns\n * the value at a given path of `object`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Util\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n * @example\n *\n * var array = [0, 1, 2],\n * object = { 'a': array, 'b': array, 'c': array };\n *\n * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n * // => [2, 0]\n *\n * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n * // => [2, 0]\n */\n function propertyOf(object) {\n return function(path) {\n return object == null ? undefined : baseGet(object, path);\n };\n }\n\n /**\n * Creates an array of numbers (positive and/or negative) progressing from\n * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n * `start` is specified without an `end` or `step`. If `end` is not specified,\n * it's set to `start` with `start` then set to `0`.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @param {number} [step=1] The value to increment or decrement by.\n * @returns {Array} Returns the range of numbers.\n * @see _.inRange, _.rangeRight\n * @example\n *\n * _.range(4);\n * // => [0, 1, 2, 3]\n *\n * _.range(-4);\n * // => [0, -1, -2, -3]\n *\n * _.range(1, 5);\n * // => [1, 2, 3, 4]\n *\n * _.range(0, 20, 5);\n * // => [0, 5, 10, 15]\n *\n * _.range(0, -4, -1);\n * // => [0, -1, -2, -3]\n *\n * _.range(1, 4, 0);\n * // => [1, 1, 1]\n *\n * _.range(0);\n * // => []\n */\n var range = createRange();\n\n /**\n * This method is like `_.range` except that it populates values in\n * descending order.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @param {number} [step=1] The value to increment or decrement by.\n * @returns {Array} Returns the range of numbers.\n * @see _.inRange, _.range\n * @example\n *\n * _.rangeRight(4);\n * // => [3, 2, 1, 0]\n *\n * _.rangeRight(-4);\n * // => [-3, -2, -1, 0]\n *\n * _.rangeRight(1, 5);\n * // => [4, 3, 2, 1]\n *\n * _.rangeRight(0, 20, 5);\n * // => [15, 10, 5, 0]\n *\n * _.rangeRight(0, -4, -1);\n * // => [-3, -2, -1, 0]\n *\n * _.rangeRight(1, 4, 0);\n * // => [1, 1, 1]\n *\n * _.rangeRight(0);\n * // => []\n */\n var rangeRight = createRange(true);\n\n /**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\n function stubArray() {\n return [];\n }\n\n /**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\n function stubFalse() {\n return false;\n }\n\n /**\n * This method returns a new empty object.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Object} Returns the new empty object.\n * @example\n *\n * var objects = _.times(2, _.stubObject);\n *\n * console.log(objects);\n * // => [{}, {}]\n *\n * console.log(objects[0] === objects[1]);\n * // => false\n */\n function stubObject() {\n return {};\n }\n\n /**\n * This method returns an empty string.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {string} Returns the empty string.\n * @example\n *\n * _.times(2, _.stubString);\n * // => ['', '']\n */\n function stubString() {\n return '';\n }\n\n /**\n * This method returns `true`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `true`.\n * @example\n *\n * _.times(2, _.stubTrue);\n * // => [true, true]\n */\n function stubTrue() {\n return true;\n }\n\n /**\n * Invokes the iteratee `n` times, returning an array of the results of\n * each invocation. The iteratee is invoked with one argument; (index).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.times(3, String);\n * // => ['0', '1', '2']\n *\n * _.times(4, _.constant(0));\n * // => [0, 0, 0, 0]\n */\n function times(n, iteratee) {\n n = toInteger(n);\n if (n < 1 || n > MAX_SAFE_INTEGER) {\n return [];\n }\n var index = MAX_ARRAY_LENGTH,\n length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n iteratee = getIteratee(iteratee);\n n -= MAX_ARRAY_LENGTH;\n\n var result = baseTimes(length, iteratee);\n while (++index < n) {\n iteratee(index);\n }\n return result;\n }\n\n /**\n * Converts `value` to a property path array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Util\n * @param {*} value The value to convert.\n * @returns {Array} Returns the new property path array.\n * @example\n *\n * _.toPath('a.b.c');\n * // => ['a', 'b', 'c']\n *\n * _.toPath('a[0].b.c');\n * // => ['a', '0', 'b', 'c']\n */\n function toPath(value) {\n if (isArray(value)) {\n return arrayMap(value, toKey);\n }\n return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n }\n\n /**\n * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {string} [prefix=''] The value to prefix the ID with.\n * @returns {string} Returns the unique ID.\n * @example\n *\n * _.uniqueId('contact_');\n * // => 'contact_104'\n *\n * _.uniqueId();\n * // => '105'\n */\n function uniqueId(prefix) {\n var id = ++idCounter;\n return toString(prefix) + id;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Adds two numbers.\n *\n * @static\n * @memberOf _\n * @since 3.4.0\n * @category Math\n * @param {number} augend The first number in an addition.\n * @param {number} addend The second number in an addition.\n * @returns {number} Returns the total.\n * @example\n *\n * _.add(6, 4);\n * // => 10\n */\n var add = createMathOperation(function(augend, addend) {\n return augend + addend;\n }, 0);\n\n /**\n * Computes `number` rounded up to `precision`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Math\n * @param {number} number The number to round up.\n * @param {number} [precision=0] The precision to round up to.\n * @returns {number} Returns the rounded up number.\n * @example\n *\n * _.ceil(4.006);\n * // => 5\n *\n * _.ceil(6.004, 2);\n * // => 6.01\n *\n * _.ceil(6040, -2);\n * // => 6100\n */\n var ceil = createRound('ceil');\n\n /**\n * Divide two numbers.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Math\n * @param {number} dividend The first number in a division.\n * @param {number} divisor The second number in a division.\n * @returns {number} Returns the quotient.\n * @example\n *\n * _.divide(6, 4);\n * // => 1.5\n */\n var divide = createMathOperation(function(dividend, divisor) {\n return dividend / divisor;\n }, 1);\n\n /**\n * Computes `number` rounded down to `precision`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Math\n * @param {number} number The number to round down.\n * @param {number} [precision=0] The precision to round down to.\n * @returns {number} Returns the rounded down number.\n * @example\n *\n * _.floor(4.006);\n * // => 4\n *\n * _.floor(0.046, 2);\n * // => 0.04\n *\n * _.floor(4060, -2);\n * // => 4000\n */\n var floor = createRound('floor');\n\n /**\n * Computes the maximum value of `array`. If `array` is empty or falsey,\n * `undefined` is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Math\n * @param {Array} array The array to iterate over.\n * @returns {*} Returns the maximum value.\n * @example\n *\n * _.max([4, 2, 8, 6]);\n * // => 8\n *\n * _.max([]);\n * // => undefined\n */\n function max(array) {\n return (array && array.length)\n ? baseExtremum(array, identity, baseGt)\n : undefined;\n }\n\n /**\n * This method is like `_.max` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * the value is ranked. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {*} Returns the maximum value.\n * @example\n *\n * var objects = [{ 'n': 1 }, { 'n': 2 }];\n *\n * _.maxBy(objects, function(o) { return o.n; });\n * // => { 'n': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.maxBy(objects, 'n');\n * // => { 'n': 2 }\n */\n function maxBy(array, iteratee) {\n return (array && array.length)\n ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n : undefined;\n }\n\n /**\n * Computes the mean of the values in `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @returns {number} Returns the mean.\n * @example\n *\n * _.mean([4, 2, 8, 6]);\n * // => 5\n */\n function mean(array) {\n return baseMean(array, identity);\n }\n\n /**\n * This method is like `_.mean` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the value to be averaged.\n * The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the mean.\n * @example\n *\n * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n *\n * _.meanBy(objects, function(o) { return o.n; });\n * // => 5\n *\n * // The `_.property` iteratee shorthand.\n * _.meanBy(objects, 'n');\n * // => 5\n */\n function meanBy(array, iteratee) {\n return baseMean(array, getIteratee(iteratee, 2));\n }\n\n /**\n * Computes the minimum value of `array`. If `array` is empty or falsey,\n * `undefined` is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Math\n * @param {Array} array The array to iterate over.\n * @returns {*} Returns the minimum value.\n * @example\n *\n * _.min([4, 2, 8, 6]);\n * // => 2\n *\n * _.min([]);\n * // => undefined\n */\n function min(array) {\n return (array && array.length)\n ? baseExtremum(array, identity, baseLt)\n : undefined;\n }\n\n /**\n * This method is like `_.min` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * the value is ranked. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {*} Returns the minimum value.\n * @example\n *\n * var objects = [{ 'n': 1 }, { 'n': 2 }];\n *\n * _.minBy(objects, function(o) { return o.n; });\n * // => { 'n': 1 }\n *\n * // The `_.property` iteratee shorthand.\n * _.minBy(objects, 'n');\n * // => { 'n': 1 }\n */\n function minBy(array, iteratee) {\n return (array && array.length)\n ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n : undefined;\n }\n\n /**\n * Multiply two numbers.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Math\n * @param {number} multiplier The first number in a multiplication.\n * @param {number} multiplicand The second number in a multiplication.\n * @returns {number} Returns the product.\n * @example\n *\n * _.multiply(6, 4);\n * // => 24\n */\n var multiply = createMathOperation(function(multiplier, multiplicand) {\n return multiplier * multiplicand;\n }, 1);\n\n /**\n * Computes `number` rounded to `precision`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Math\n * @param {number} number The number to round.\n * @param {number} [precision=0] The precision to round to.\n * @returns {number} Returns the rounded number.\n * @example\n *\n * _.round(4.006);\n * // => 4\n *\n * _.round(4.006, 2);\n * // => 4.01\n *\n * _.round(4060, -2);\n * // => 4100\n */\n var round = createRound('round');\n\n /**\n * Subtract two numbers.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Math\n * @param {number} minuend The first number in a subtraction.\n * @param {number} subtrahend The second number in a subtraction.\n * @returns {number} Returns the difference.\n * @example\n *\n * _.subtract(6, 4);\n * // => 2\n */\n var subtract = createMathOperation(function(minuend, subtrahend) {\n return minuend - subtrahend;\n }, 0);\n\n /**\n * Computes the sum of the values in `array`.\n *\n * @static\n * @memberOf _\n * @since 3.4.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @returns {number} Returns the sum.\n * @example\n *\n * _.sum([4, 2, 8, 6]);\n * // => 20\n */\n function sum(array) {\n return (array && array.length)\n ? baseSum(array, identity)\n : 0;\n }\n\n /**\n * This method is like `_.sum` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the value to be summed.\n * The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Math\n * @param {Array} array The array to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the sum.\n * @example\n *\n * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n *\n * _.sumBy(objects, function(o) { return o.n; });\n * // => 20\n *\n * // The `_.property` iteratee shorthand.\n * _.sumBy(objects, 'n');\n * // => 20\n */\n function sumBy(array, iteratee) {\n return (array && array.length)\n ? baseSum(array, getIteratee(iteratee, 2))\n : 0;\n }\n\n /*------------------------------------------------------------------------*/\n\n // Add methods that return wrapped values in chain sequences.\n lodash.after = after;\n lodash.ary = ary;\n lodash.assign = assign;\n lodash.assignIn = assignIn;\n lodash.assignInWith = assignInWith;\n lodash.assignWith = assignWith;\n lodash.at = at;\n lodash.before = before;\n lodash.bind = bind;\n lodash.bindAll = bindAll;\n lodash.bindKey = bindKey;\n lodash.castArray = castArray;\n lodash.chain = chain;\n lodash.chunk = chunk;\n lodash.compact = compact;\n lodash.concat = concat;\n lodash.cond = cond;\n lodash.conforms = conforms;\n lodash.constant = constant;\n lodash.countBy = countBy;\n lodash.create = create;\n lodash.curry = curry;\n lodash.curryRight = curryRight;\n lodash.debounce = debounce;\n lodash.defaults = defaults;\n lodash.defaultsDeep = defaultsDeep;\n lodash.defer = defer;\n lodash.delay = delay;\n lodash.difference = difference;\n lodash.differenceBy = differenceBy;\n lodash.differenceWith = differenceWith;\n lodash.drop = drop;\n lodash.dropRight = dropRight;\n lodash.dropRightWhile = dropRightWhile;\n lodash.dropWhile = dropWhile;\n lodash.fill = fill;\n lodash.filter = filter;\n lodash.flatMap = flatMap;\n lodash.flatMapDeep = flatMapDeep;\n lodash.flatMapDepth = flatMapDepth;\n lodash.flatten = flatten;\n lodash.flattenDeep = flattenDeep;\n lodash.flattenDepth = flattenDepth;\n lodash.flip = flip;\n lodash.flow = flow;\n lodash.flowRight = flowRight;\n lodash.fromPairs = fromPairs;\n lodash.functions = functions;\n lodash.functionsIn = functionsIn;\n lodash.groupBy = groupBy;\n lodash.initial = initial;\n lodash.intersection = intersection;\n lodash.intersectionBy = intersectionBy;\n lodash.intersectionWith = intersectionWith;\n lodash.invert = invert;\n lodash.invertBy = invertBy;\n lodash.invokeMap = invokeMap;\n lodash.iteratee = iteratee;\n lodash.keyBy = keyBy;\n lodash.keys = keys;\n lodash.keysIn = keysIn;\n lodash.map = map;\n lodash.mapKeys = mapKeys;\n lodash.mapValues = mapValues;\n lodash.matches = matches;\n lodash.matchesProperty = matchesProperty;\n lodash.memoize = memoize;\n lodash.merge = merge;\n lodash.mergeWith = mergeWith;\n lodash.method = method;\n lodash.methodOf = methodOf;\n lodash.mixin = mixin;\n lodash.negate = negate;\n lodash.nthArg = nthArg;\n lodash.omit = omit;\n lodash.omitBy = omitBy;\n lodash.once = once;\n lodash.orderBy = orderBy;\n lodash.over = over;\n lodash.overArgs = overArgs;\n lodash.overEvery = overEvery;\n lodash.overSome = overSome;\n lodash.partial = partial;\n lodash.partialRight = partialRight;\n lodash.partition = partition;\n lodash.pick = pick;\n lodash.pickBy = pickBy;\n lodash.property = property;\n lodash.propertyOf = propertyOf;\n lodash.pull = pull;\n lodash.pullAll = pullAll;\n lodash.pullAllBy = pullAllBy;\n lodash.pullAllWith = pullAllWith;\n lodash.pullAt = pullAt;\n lodash.range = range;\n lodash.rangeRight = rangeRight;\n lodash.rearg = rearg;\n lodash.reject = reject;\n lodash.remove = remove;\n lodash.rest = rest;\n lodash.reverse = reverse;\n lodash.sampleSize = sampleSize;\n lodash.set = set;\n lodash.setWith = setWith;\n lodash.shuffle = shuffle;\n lodash.slice = slice;\n lodash.sortBy = sortBy;\n lodash.sortedUniq = sortedUniq;\n lodash.sortedUniqBy = sortedUniqBy;\n lodash.split = split;\n lodash.spread = spread;\n lodash.tail = tail;\n lodash.take = take;\n lodash.takeRight = takeRight;\n lodash.takeRightWhile = takeRightWhile;\n lodash.takeWhile = takeWhile;\n lodash.tap = tap;\n lodash.throttle = throttle;\n lodash.thru = thru;\n lodash.toArray = toArray;\n lodash.toPairs = toPairs;\n lodash.toPairsIn = toPairsIn;\n lodash.toPath = toPath;\n lodash.toPlainObject = toPlainObject;\n lodash.transform = transform;\n lodash.unary = unary;\n lodash.union = union;\n lodash.unionBy = unionBy;\n lodash.unionWith = unionWith;\n lodash.uniq = uniq;\n lodash.uniqBy = uniqBy;\n lodash.uniqWith = uniqWith;\n lodash.unset = unset;\n lodash.unzip = unzip;\n lodash.unzipWith = unzipWith;\n lodash.update = update;\n lodash.updateWith = updateWith;\n lodash.values = values;\n lodash.valuesIn = valuesIn;\n lodash.without = without;\n lodash.words = words;\n lodash.wrap = wrap;\n lodash.xor = xor;\n lodash.xorBy = xorBy;\n lodash.xorWith = xorWith;\n lodash.zip = zip;\n lodash.zipObject = zipObject;\n lodash.zipObjectDeep = zipObjectDeep;\n lodash.zipWith = zipWith;\n\n // Add aliases.\n lodash.entries = toPairs;\n lodash.entriesIn = toPairsIn;\n lodash.extend = assignIn;\n lodash.extendWith = assignInWith;\n\n // Add methods to `lodash.prototype`.\n mixin(lodash, lodash);\n\n /*------------------------------------------------------------------------*/\n\n // Add methods that return unwrapped values in chain sequences.\n lodash.add = add;\n lodash.attempt = attempt;\n lodash.camelCase = camelCase;\n lodash.capitalize = capitalize;\n lodash.ceil = ceil;\n lodash.clamp = clamp;\n lodash.clone = clone;\n lodash.cloneDeep = cloneDeep;\n lodash.cloneDeepWith = cloneDeepWith;\n lodash.cloneWith = cloneWith;\n lodash.conformsTo = conformsTo;\n lodash.deburr = deburr;\n lodash.defaultTo = defaultTo;\n lodash.divide = divide;\n lodash.endsWith = endsWith;\n lodash.eq = eq;\n lodash.escape = escape;\n lodash.escapeRegExp = escapeRegExp;\n lodash.every = every;\n lodash.find = find;\n lodash.findIndex = findIndex;\n lodash.findKey = findKey;\n lodash.findLast = findLast;\n lodash.findLastIndex = findLastIndex;\n lodash.findLastKey = findLastKey;\n lodash.floor = floor;\n lodash.forEach = forEach;\n lodash.forEachRight = forEachRight;\n lodash.forIn = forIn;\n lodash.forInRight = forInRight;\n lodash.forOwn = forOwn;\n lodash.forOwnRight = forOwnRight;\n lodash.get = get;\n lodash.gt = gt;\n lodash.gte = gte;\n lodash.has = has;\n lodash.hasIn = hasIn;\n lodash.head = head;\n lodash.identity = identity;\n lodash.includes = includes;\n lodash.indexOf = indexOf;\n lodash.inRange = inRange;\n lodash.invoke = invoke;\n lodash.isArguments = isArguments;\n lodash.isArray = isArray;\n lodash.isArrayBuffer = isArrayBuffer;\n lodash.isArrayLike = isArrayLike;\n lodash.isArrayLikeObject = isArrayLikeObject;\n lodash.isBoolean = isBoolean;\n lodash.isBuffer = isBuffer;\n lodash.isDate = isDate;\n lodash.isElement = isElement;\n lodash.isEmpty = isEmpty;\n lodash.isEqual = isEqual;\n lodash.isEqualWith = isEqualWith;\n lodash.isError = isError;\n lodash.isFinite = isFinite;\n lodash.isFunction = isFunction;\n lodash.isInteger = isInteger;\n lodash.isLength = isLength;\n lodash.isMap = isMap;\n lodash.isMatch = isMatch;\n lodash.isMatchWith = isMatchWith;\n lodash.isNaN = isNaN;\n lodash.isNative = isNative;\n lodash.isNil = isNil;\n lodash.isNull = isNull;\n lodash.isNumber = isNumber;\n lodash.isObject = isObject;\n lodash.isObjectLike = isObjectLike;\n lodash.isPlainObject = isPlainObject;\n lodash.isRegExp = isRegExp;\n lodash.isSafeInteger = isSafeInteger;\n lodash.isSet = isSet;\n lodash.isString = isString;\n lodash.isSymbol = isSymbol;\n lodash.isTypedArray = isTypedArray;\n lodash.isUndefined = isUndefined;\n lodash.isWeakMap = isWeakMap;\n lodash.isWeakSet = isWeakSet;\n lodash.join = join;\n lodash.kebabCase = kebabCase;\n lodash.last = last;\n lodash.lastIndexOf = lastIndexOf;\n lodash.lowerCase = lowerCase;\n lodash.lowerFirst = lowerFirst;\n lodash.lt = lt;\n lodash.lte = lte;\n lodash.max = max;\n lodash.maxBy = maxBy;\n lodash.mean = mean;\n lodash.meanBy = meanBy;\n lodash.min = min;\n lodash.minBy = minBy;\n lodash.stubArray = stubArray;\n lodash.stubFalse = stubFalse;\n lodash.stubObject = stubObject;\n lodash.stubString = stubString;\n lodash.stubTrue = stubTrue;\n lodash.multiply = multiply;\n lodash.nth = nth;\n lodash.noConflict = noConflict;\n lodash.noop = noop;\n lodash.now = now;\n lodash.pad = pad;\n lodash.padEnd = padEnd;\n lodash.padStart = padStart;\n lodash.parseInt = parseInt;\n lodash.random = random;\n lodash.reduce = reduce;\n lodash.reduceRight = reduceRight;\n lodash.repeat = repeat;\n lodash.replace = replace;\n lodash.result = result;\n lodash.round = round;\n lodash.runInContext = runInContext;\n lodash.sample = sample;\n lodash.size = size;\n lodash.snakeCase = snakeCase;\n lodash.some = some;\n lodash.sortedIndex = sortedIndex;\n lodash.sortedIndexBy = sortedIndexBy;\n lodash.sortedIndexOf = sortedIndexOf;\n lodash.sortedLastIndex = sortedLastIndex;\n lodash.sortedLastIndexBy = sortedLastIndexBy;\n lodash.sortedLastIndexOf = sortedLastIndexOf;\n lodash.startCase = startCase;\n lodash.startsWith = startsWith;\n lodash.subtract = subtract;\n lodash.sum = sum;\n lodash.sumBy = sumBy;\n lodash.template = template;\n lodash.times = times;\n lodash.toFinite = toFinite;\n lodash.toInteger = toInteger;\n lodash.toLength = toLength;\n lodash.toLower = toLower;\n lodash.toNumber = toNumber;\n lodash.toSafeInteger = toSafeInteger;\n lodash.toString = toString;\n lodash.toUpper = toUpper;\n lodash.trim = trim;\n lodash.trimEnd = trimEnd;\n lodash.trimStart = trimStart;\n lodash.truncate = truncate;\n lodash.unescape = unescape;\n lodash.uniqueId = uniqueId;\n lodash.upperCase = upperCase;\n lodash.upperFirst = upperFirst;\n\n // Add aliases.\n lodash.each = forEach;\n lodash.eachRight = forEachRight;\n lodash.first = head;\n\n mixin(lodash, (function() {\n var source = {};\n baseForOwn(lodash, function(func, methodName) {\n if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n source[methodName] = func;\n }\n });\n return source;\n }()), { 'chain': false });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The semantic version number.\n *\n * @static\n * @memberOf _\n * @type {string}\n */\n lodash.VERSION = VERSION;\n\n // Assign default placeholders.\n arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n lodash[methodName].placeholder = lodash;\n });\n\n // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n arrayEach(['drop', 'take'], function(methodName, index) {\n LazyWrapper.prototype[methodName] = function(n) {\n n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n var result = (this.__filtered__ && !index)\n ? new LazyWrapper(this)\n : this.clone();\n\n if (result.__filtered__) {\n result.__takeCount__ = nativeMin(n, result.__takeCount__);\n } else {\n result.__views__.push({\n 'size': nativeMin(n, MAX_ARRAY_LENGTH),\n 'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n });\n }\n return result;\n };\n\n LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n return this.reverse()[methodName](n).reverse();\n };\n });\n\n // Add `LazyWrapper` methods that accept an `iteratee` value.\n arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n var type = index + 1,\n isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n LazyWrapper.prototype[methodName] = function(iteratee) {\n var result = this.clone();\n result.__iteratees__.push({\n 'iteratee': getIteratee(iteratee, 3),\n 'type': type\n });\n result.__filtered__ = result.__filtered__ || isFilter;\n return result;\n };\n });\n\n // Add `LazyWrapper` methods for `_.head` and `_.last`.\n arrayEach(['head', 'last'], function(methodName, index) {\n var takeName = 'take' + (index ? 'Right' : '');\n\n LazyWrapper.prototype[methodName] = function() {\n return this[takeName](1).value()[0];\n };\n });\n\n // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n arrayEach(['initial', 'tail'], function(methodName, index) {\n var dropName = 'drop' + (index ? '' : 'Right');\n\n LazyWrapper.prototype[methodName] = function() {\n return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n };\n });\n\n LazyWrapper.prototype.compact = function() {\n return this.filter(identity);\n };\n\n LazyWrapper.prototype.find = function(predicate) {\n return this.filter(predicate).head();\n };\n\n LazyWrapper.prototype.findLast = function(predicate) {\n return this.reverse().find(predicate);\n };\n\n LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n if (typeof path == 'function') {\n return new LazyWrapper(this);\n }\n return this.map(function(value) {\n return baseInvoke(value, path, args);\n });\n });\n\n LazyWrapper.prototype.reject = function(predicate) {\n return this.filter(negate(getIteratee(predicate)));\n };\n\n LazyWrapper.prototype.slice = function(start, end) {\n start = toInteger(start);\n\n var result = this;\n if (result.__filtered__ && (start > 0 || end < 0)) {\n return new LazyWrapper(result);\n }\n if (start < 0) {\n result = result.takeRight(-start);\n } else if (start) {\n result = result.drop(start);\n }\n if (end !== undefined) {\n end = toInteger(end);\n result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n }\n return result;\n };\n\n LazyWrapper.prototype.takeRightWhile = function(predicate) {\n return this.reverse().takeWhile(predicate).reverse();\n };\n\n LazyWrapper.prototype.toArray = function() {\n return this.take(MAX_ARRAY_LENGTH);\n };\n\n // Add `LazyWrapper` methods to `lodash.prototype`.\n baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n isTaker = /^(?:head|last)$/.test(methodName),\n lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n retUnwrapped = isTaker || /^find/.test(methodName);\n\n if (!lodashFunc) {\n return;\n }\n lodash.prototype[methodName] = function() {\n var value = this.__wrapped__,\n args = isTaker ? [1] : arguments,\n isLazy = value instanceof LazyWrapper,\n iteratee = args[0],\n useLazy = isLazy || isArray(value);\n\n var interceptor = function(value) {\n var result = lodashFunc.apply(lodash, arrayPush([value], args));\n return (isTaker && chainAll) ? result[0] : result;\n };\n\n if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n isLazy = useLazy = false;\n }\n var chainAll = this.__chain__,\n isHybrid = !!this.__actions__.length,\n isUnwrapped = retUnwrapped && !chainAll,\n onlyLazy = isLazy && !isHybrid;\n\n if (!retUnwrapped && useLazy) {\n value = onlyLazy ? value : new LazyWrapper(this);\n var result = func.apply(value, args);\n result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n return new LodashWrapper(result, chainAll);\n }\n if (isUnwrapped && onlyLazy) {\n return func.apply(this, args);\n }\n result = this.thru(interceptor);\n return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n };\n });\n\n // Add `Array` methods to `lodash.prototype`.\n arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n var func = arrayProto[methodName],\n chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n lodash.prototype[methodName] = function() {\n var args = arguments;\n if (retUnwrapped && !this.__chain__) {\n var value = this.value();\n return func.apply(isArray(value) ? value : [], args);\n }\n return this[chainName](function(value) {\n return func.apply(isArray(value) ? value : [], args);\n });\n };\n });\n\n // Map minified method names to their real names.\n baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n var lodashFunc = lodash[methodName];\n if (lodashFunc) {\n var key = lodashFunc.name + '';\n if (!hasOwnProperty.call(realNames, key)) {\n realNames[key] = [];\n }\n realNames[key].push({ 'name': methodName, 'func': lodashFunc });\n }\n });\n\n realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n 'name': 'wrapper',\n 'func': undefined\n }];\n\n // Add methods to `LazyWrapper`.\n LazyWrapper.prototype.clone = lazyClone;\n LazyWrapper.prototype.reverse = lazyReverse;\n LazyWrapper.prototype.value = lazyValue;\n\n // Add chain sequence methods to the `lodash` wrapper.\n lodash.prototype.at = wrapperAt;\n lodash.prototype.chain = wrapperChain;\n lodash.prototype.commit = wrapperCommit;\n lodash.prototype.next = wrapperNext;\n lodash.prototype.plant = wrapperPlant;\n lodash.prototype.reverse = wrapperReverse;\n lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n // Add lazy aliases.\n lodash.prototype.first = lodash.prototype.head;\n\n if (symIterator) {\n lodash.prototype[symIterator] = wrapperToIterator;\n }\n return lodash;\n });\n\n /*--------------------------------------------------------------------------*/\n\n // Export lodash.\n var _ = runInContext();\n\n // Some AMD build optimizers, like r.js, check for condition patterns like:\n if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n // Expose Lodash on the global object to prevent errors when Lodash is\n // loaded by a script tag in the presence of an AMD loader.\n // See http://requirejs.org/docs/errors.html#mismatch for more details.\n // Use `_.noConflict` to remove Lodash from the global object.\n root._ = _;\n\n // Define as an anonymous module so, through path mapping, it can be\n // referenced as the \"underscore\" module.\n define(function() {\n return _;\n });\n }\n // Check for `exports` after `define` in case a build optimizer adds it.\n else if (freeModule) {\n // Export for Node.js.\n (freeModule.exports = _)._ = _;\n // Export for CommonJS support.\n freeExports._ = _;\n }\n else {\n // Export to the global object.\n root._ = _;\n }\n}.call(this));\n","/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n'use strict';\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = Object.prototype.propertyIsEnumerable;\n\nfunction toObject(val) {\n\tif (val === null || val === undefined) {\n\t\tthrow new TypeError('Object.assign cannot be called with null or undefined');\n\t}\n\n\treturn Object(val);\n}\n\nfunction shouldUseNative() {\n\ttry {\n\t\tif (!Object.assign) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Detect buggy property enumeration order in older V8 versions.\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=4118\n\t\tvar test1 = new String('abc'); // eslint-disable-line no-new-wrappers\n\t\ttest1[5] = 'de';\n\t\tif (Object.getOwnPropertyNames(test1)[0] === '5') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test2 = {};\n\t\tfor (var i = 0; i < 10; i++) {\n\t\t\ttest2['_' + String.fromCharCode(i)] = i;\n\t\t}\n\t\tvar order2 = Object.getOwnPropertyNames(test2).map(function (n) {\n\t\t\treturn test2[n];\n\t\t});\n\t\tif (order2.join('') !== '0123456789') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test3 = {};\n\t\t'abcdefghijklmnopqrst'.split('').forEach(function (letter) {\n\t\t\ttest3[letter] = letter;\n\t\t});\n\t\tif (Object.keys(Object.assign({}, test3)).join('') !==\n\t\t\t\t'abcdefghijklmnopqrst') {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t} catch (err) {\n\t\t// We don't expect any of the above to throw, but better to be safe.\n\t\treturn false;\n\t}\n}\n\nmodule.exports = shouldUseNative() ? Object.assign : function (target, source) {\n\tvar from;\n\tvar to = toObject(target);\n\tvar symbols;\n\n\tfor (var s = 1; s < arguments.length; s++) {\n\t\tfrom = Object(arguments[s]);\n\n\t\tfor (var key in from) {\n\t\t\tif (hasOwnProperty.call(from, key)) {\n\t\t\t\tto[key] = from[key];\n\t\t\t}\n\t\t}\n\n\t\tif (getOwnPropertySymbols) {\n\t\t\tsymbols = getOwnPropertySymbols(from);\n\t\t\tfor (var i = 0; i < symbols.length; i++) {\n\t\t\t\tif (propIsEnumerable.call(from, symbols[i])) {\n\t\t\t\t\tto[symbols[i]] = from[symbols[i]];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn to;\n};\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar printWarning = function() {};\n\nif (process.env.NODE_ENV !== 'production') {\n var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');\n var loggedTypeFailures = {};\n var has = require('./lib/has');\n\n printWarning = function(text) {\n var message = 'Warning: ' + text;\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) { /**/ }\n };\n}\n\n/**\n * Assert that the values match with the type specs.\n * Error messages are memorized and will only be shown once.\n *\n * @param {object} typeSpecs Map of name to a ReactPropType\n * @param {object} values Runtime values that need to be type-checked\n * @param {string} location e.g. \"prop\", \"context\", \"child context\"\n * @param {string} componentName Name of the component for error messages.\n * @param {?Function} getStack Returns the component stack.\n * @private\n */\nfunction checkPropTypes(typeSpecs, values, location, componentName, getStack) {\n if (process.env.NODE_ENV !== 'production') {\n for (var typeSpecName in typeSpecs) {\n if (has(typeSpecs, typeSpecName)) {\n var error;\n // Prop type validation may throw. In case they do, we don't want to\n // fail the render phase where it didn't fail before. So we log it.\n // After these have been cleaned up, we'll let them throw.\n try {\n // This is intentionally an invariant that gets caught. It's the same\n // behavior as without this statement except with a better message.\n if (typeof typeSpecs[typeSpecName] !== 'function') {\n var err = Error(\n (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +\n 'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.' +\n 'This often happens because of typos such as `PropTypes.function` instead of `PropTypes.func`.'\n );\n err.name = 'Invariant Violation';\n throw err;\n }\n error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);\n } catch (ex) {\n error = ex;\n }\n if (error && !(error instanceof Error)) {\n printWarning(\n (componentName || 'React class') + ': type specification of ' +\n location + ' `' + typeSpecName + '` is invalid; the type checker ' +\n 'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +\n 'You may have forgotten to pass an argument to the type checker ' +\n 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +\n 'shape all require an argument).'\n );\n }\n if (error instanceof Error && !(error.message in loggedTypeFailures)) {\n // Only monitor this failure once because there tends to be a lot of the\n // same error.\n loggedTypeFailures[error.message] = true;\n\n var stack = getStack ? getStack() : '';\n\n printWarning(\n 'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')\n );\n }\n }\n }\n }\n}\n\n/**\n * Resets warning cache when testing.\n *\n * @private\n */\ncheckPropTypes.resetWarningCache = function() {\n if (process.env.NODE_ENV !== 'production') {\n loggedTypeFailures = {};\n }\n}\n\nmodule.exports = checkPropTypes;\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar ReactIs = require('react-is');\nvar assign = require('object-assign');\n\nvar ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');\nvar has = require('./lib/has');\nvar checkPropTypes = require('./checkPropTypes');\n\nvar printWarning = function() {};\n\nif (process.env.NODE_ENV !== 'production') {\n printWarning = function(text) {\n var message = 'Warning: ' + text;\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n}\n\nfunction emptyFunctionThatReturnsNull() {\n return null;\n}\n\nmodule.exports = function(isValidElement, throwOnDirectAccess) {\n /* global Symbol */\n var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;\n var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.\n\n /**\n * Returns the iterator method function contained on the iterable object.\n *\n * Be sure to invoke the function with the iterable as context:\n *\n * var iteratorFn = getIteratorFn(myIterable);\n * if (iteratorFn) {\n * var iterator = iteratorFn.call(myIterable);\n * ...\n * }\n *\n * @param {?object} maybeIterable\n * @return {?function}\n */\n function getIteratorFn(maybeIterable) {\n var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);\n if (typeof iteratorFn === 'function') {\n return iteratorFn;\n }\n }\n\n /**\n * Collection of methods that allow declaration and validation of props that are\n * supplied to React components. Example usage:\n *\n * var Props = require('ReactPropTypes');\n * var MyArticle = React.createClass({\n * propTypes: {\n * // An optional string prop named \"description\".\n * description: Props.string,\n *\n * // A required enum prop named \"category\".\n * category: Props.oneOf(['News','Photos']).isRequired,\n *\n * // A prop named \"dialog\" that requires an instance of Dialog.\n * dialog: Props.instanceOf(Dialog).isRequired\n * },\n * render: function() { ... }\n * });\n *\n * A more formal specification of how these methods are used:\n *\n * type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)\n * decl := ReactPropTypes.{type}(.isRequired)?\n *\n * Each and every declaration produces a function with the same signature. This\n * allows the creation of custom validation functions. For example:\n *\n * var MyLink = React.createClass({\n * propTypes: {\n * // An optional string or URI prop named \"href\".\n * href: function(props, propName, componentName) {\n * var propValue = props[propName];\n * if (propValue != null && typeof propValue !== 'string' &&\n * !(propValue instanceof URI)) {\n * return new Error(\n * 'Expected a string or an URI for ' + propName + ' in ' +\n * componentName\n * );\n * }\n * }\n * },\n * render: function() {...}\n * });\n *\n * @internal\n */\n\n var ANONYMOUS = '<<anonymous>>';\n\n // Important!\n // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.\n var ReactPropTypes = {\n array: createPrimitiveTypeChecker('array'),\n bigint: createPrimitiveTypeChecker('bigint'),\n bool: createPrimitiveTypeChecker('boolean'),\n func: createPrimitiveTypeChecker('function'),\n number: createPrimitiveTypeChecker('number'),\n object: createPrimitiveTypeChecker('object'),\n string: createPrimitiveTypeChecker('string'),\n symbol: createPrimitiveTypeChecker('symbol'),\n\n any: createAnyTypeChecker(),\n arrayOf: createArrayOfTypeChecker,\n element: createElementTypeChecker(),\n elementType: createElementTypeTypeChecker(),\n instanceOf: createInstanceTypeChecker,\n node: createNodeChecker(),\n objectOf: createObjectOfTypeChecker,\n oneOf: createEnumTypeChecker,\n oneOfType: createUnionTypeChecker,\n shape: createShapeTypeChecker,\n exact: createStrictShapeTypeChecker,\n };\n\n /**\n * inlined Object.is polyfill to avoid requiring consumers ship their own\n * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n */\n /*eslint-disable no-self-compare*/\n function is(x, y) {\n // SameValue algorithm\n if (x === y) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n return x !== 0 || 1 / x === 1 / y;\n } else {\n // Step 6.a: NaN == NaN\n return x !== x && y !== y;\n }\n }\n /*eslint-enable no-self-compare*/\n\n /**\n * We use an Error-like object for backward compatibility as people may call\n * PropTypes directly and inspect their output. However, we don't use real\n * Errors anymore. We don't inspect their stack anyway, and creating them\n * is prohibitively expensive if they are created too often, such as what\n * happens in oneOfType() for any type before the one that matched.\n */\n function PropTypeError(message, data) {\n this.message = message;\n this.data = data && typeof data === 'object' ? data: {};\n this.stack = '';\n }\n // Make `instanceof Error` still work for returned errors.\n PropTypeError.prototype = Error.prototype;\n\n function createChainableTypeChecker(validate) {\n if (process.env.NODE_ENV !== 'production') {\n var manualPropTypeCallCache = {};\n var manualPropTypeWarningCount = 0;\n }\n function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {\n componentName = componentName || ANONYMOUS;\n propFullName = propFullName || propName;\n\n if (secret !== ReactPropTypesSecret) {\n if (throwOnDirectAccess) {\n // New behavior only for users of `prop-types` package\n var err = new Error(\n 'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +\n 'Use `PropTypes.checkPropTypes()` to call them. ' +\n 'Read more at http://fb.me/use-check-prop-types'\n );\n err.name = 'Invariant Violation';\n throw err;\n } else if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined') {\n // Old behavior for people using React.PropTypes\n var cacheKey = componentName + ':' + propName;\n if (\n !manualPropTypeCallCache[cacheKey] &&\n // Avoid spamming the console because they are often not actionable except for lib authors\n manualPropTypeWarningCount < 3\n ) {\n printWarning(\n 'You are manually calling a React.PropTypes validation ' +\n 'function for the `' + propFullName + '` prop on `' + componentName + '`. This is deprecated ' +\n 'and will throw in the standalone `prop-types` package. ' +\n 'You may be seeing this warning due to a third-party PropTypes ' +\n 'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'\n );\n manualPropTypeCallCache[cacheKey] = true;\n manualPropTypeWarningCount++;\n }\n }\n }\n if (props[propName] == null) {\n if (isRequired) {\n if (props[propName] === null) {\n return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));\n }\n return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));\n }\n return null;\n } else {\n return validate(props, propName, componentName, location, propFullName);\n }\n }\n\n var chainedCheckType = checkType.bind(null, false);\n chainedCheckType.isRequired = checkType.bind(null, true);\n\n return chainedCheckType;\n }\n\n function createPrimitiveTypeChecker(expectedType) {\n function validate(props, propName, componentName, location, propFullName, secret) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== expectedType) {\n // `propValue` being instance of, say, date/regexp, pass the 'object'\n // check, but we can offer a more precise error message here rather than\n // 'of type `object`'.\n var preciseType = getPreciseType(propValue);\n\n return new PropTypeError(\n 'Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'),\n {expectedType: expectedType}\n );\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createAnyTypeChecker() {\n return createChainableTypeChecker(emptyFunctionThatReturnsNull);\n }\n\n function createArrayOfTypeChecker(typeChecker) {\n function validate(props, propName, componentName, location, propFullName) {\n if (typeof typeChecker !== 'function') {\n return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');\n }\n var propValue = props[propName];\n if (!Array.isArray(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));\n }\n for (var i = 0; i < propValue.length; i++) {\n var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret);\n if (error instanceof Error) {\n return error;\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createElementTypeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n if (!isValidElement(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createElementTypeTypeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n if (!ReactIs.isValidElementType(propValue)) {\n var propType = getPropType(propValue);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createInstanceTypeChecker(expectedClass) {\n function validate(props, propName, componentName, location, propFullName) {\n if (!(props[propName] instanceof expectedClass)) {\n var expectedClassName = expectedClass.name || ANONYMOUS;\n var actualClassName = getClassName(props[propName]);\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createEnumTypeChecker(expectedValues) {\n if (!Array.isArray(expectedValues)) {\n if (process.env.NODE_ENV !== 'production') {\n if (arguments.length > 1) {\n printWarning(\n 'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' +\n 'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).'\n );\n } else {\n printWarning('Invalid argument supplied to oneOf, expected an array.');\n }\n }\n return emptyFunctionThatReturnsNull;\n }\n\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n for (var i = 0; i < expectedValues.length; i++) {\n if (is(propValue, expectedValues[i])) {\n return null;\n }\n }\n\n var valuesString = JSON.stringify(expectedValues, function replacer(key, value) {\n var type = getPreciseType(value);\n if (type === 'symbol') {\n return String(value);\n }\n return value;\n });\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));\n }\n return createChainableTypeChecker(validate);\n }\n\n function createObjectOfTypeChecker(typeChecker) {\n function validate(props, propName, componentName, location, propFullName) {\n if (typeof typeChecker !== 'function') {\n return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');\n }\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));\n }\n for (var key in propValue) {\n if (has(propValue, key)) {\n var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error instanceof Error) {\n return error;\n }\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createUnionTypeChecker(arrayOfTypeCheckers) {\n if (!Array.isArray(arrayOfTypeCheckers)) {\n process.env.NODE_ENV !== 'production' ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : void 0;\n return emptyFunctionThatReturnsNull;\n }\n\n for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n var checker = arrayOfTypeCheckers[i];\n if (typeof checker !== 'function') {\n printWarning(\n 'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +\n 'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'\n );\n return emptyFunctionThatReturnsNull;\n }\n }\n\n function validate(props, propName, componentName, location, propFullName) {\n var expectedTypes = [];\n for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n var checker = arrayOfTypeCheckers[i];\n var checkerResult = checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret);\n if (checkerResult == null) {\n return null;\n }\n if (checkerResult.data && has(checkerResult.data, 'expectedType')) {\n expectedTypes.push(checkerResult.data.expectedType);\n }\n }\n var expectedTypesMessage = (expectedTypes.length > 0) ? ', expected one of type [' + expectedTypes.join(', ') + ']': '';\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`' + expectedTypesMessage + '.'));\n }\n return createChainableTypeChecker(validate);\n }\n\n function createNodeChecker() {\n function validate(props, propName, componentName, location, propFullName) {\n if (!isNode(props[propName])) {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function invalidValidatorError(componentName, location, propFullName, key, type) {\n return new PropTypeError(\n (componentName || 'React class') + ': ' + location + ' type `' + propFullName + '.' + key + '` is invalid; ' +\n 'it must be a function, usually from the `prop-types` package, but received `' + type + '`.'\n );\n }\n\n function createShapeTypeChecker(shapeTypes) {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n }\n for (var key in shapeTypes) {\n var checker = shapeTypes[key];\n if (typeof checker !== 'function') {\n return invalidValidatorError(componentName, location, propFullName, key, getPreciseType(checker));\n }\n var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error) {\n return error;\n }\n }\n return null;\n }\n return createChainableTypeChecker(validate);\n }\n\n function createStrictShapeTypeChecker(shapeTypes) {\n function validate(props, propName, componentName, location, propFullName) {\n var propValue = props[propName];\n var propType = getPropType(propValue);\n if (propType !== 'object') {\n return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n }\n // We need to check all keys in case some are required but missing from props.\n var allKeys = assign({}, props[propName], shapeTypes);\n for (var key in allKeys) {\n var checker = shapeTypes[key];\n if (has(shapeTypes, key) && typeof checker !== 'function') {\n return invalidValidatorError(componentName, location, propFullName, key, getPreciseType(checker));\n }\n if (!checker) {\n return new PropTypeError(\n 'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +\n '\\nBad object: ' + JSON.stringify(props[propName], null, ' ') +\n '\\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ')\n );\n }\n var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n if (error) {\n return error;\n }\n }\n return null;\n }\n\n return createChainableTypeChecker(validate);\n }\n\n function isNode(propValue) {\n switch (typeof propValue) {\n case 'number':\n case 'string':\n case 'undefined':\n return true;\n case 'boolean':\n return !propValue;\n case 'object':\n if (Array.isArray(propValue)) {\n return propValue.every(isNode);\n }\n if (propValue === null || isValidElement(propValue)) {\n return true;\n }\n\n var iteratorFn = getIteratorFn(propValue);\n if (iteratorFn) {\n var iterator = iteratorFn.call(propValue);\n var step;\n if (iteratorFn !== propValue.entries) {\n while (!(step = iterator.next()).done) {\n if (!isNode(step.value)) {\n return false;\n }\n }\n } else {\n // Iterator will provide entry [k,v] tuples rather than values.\n while (!(step = iterator.next()).done) {\n var entry = step.value;\n if (entry) {\n if (!isNode(entry[1])) {\n return false;\n }\n }\n }\n }\n } else {\n return false;\n }\n\n return true;\n default:\n return false;\n }\n }\n\n function isSymbol(propType, propValue) {\n // Native Symbol.\n if (propType === 'symbol') {\n return true;\n }\n\n // falsy value can't be a Symbol\n if (!propValue) {\n return false;\n }\n\n // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'\n if (propValue['@@toStringTag'] === 'Symbol') {\n return true;\n }\n\n // Fallback for non-spec compliant Symbols which are polyfilled.\n if (typeof Symbol === 'function' && propValue instanceof Symbol) {\n return true;\n }\n\n return false;\n }\n\n // Equivalent of `typeof` but with special handling for array and regexp.\n function getPropType(propValue) {\n var propType = typeof propValue;\n if (Array.isArray(propValue)) {\n return 'array';\n }\n if (propValue instanceof RegExp) {\n // Old webkits (at least until Android 4.0) return 'function' rather than\n // 'object' for typeof a RegExp. We'll normalize this here so that /bla/\n // passes PropTypes.object.\n return 'object';\n }\n if (isSymbol(propType, propValue)) {\n return 'symbol';\n }\n return propType;\n }\n\n // This handles more types than `getPropType`. Only used for error messages.\n // See `createPrimitiveTypeChecker`.\n function getPreciseType(propValue) {\n if (typeof propValue === 'undefined' || propValue === null) {\n return '' + propValue;\n }\n var propType = getPropType(propValue);\n if (propType === 'object') {\n if (propValue instanceof Date) {\n return 'date';\n } else if (propValue instanceof RegExp) {\n return 'regexp';\n }\n }\n return propType;\n }\n\n // Returns a string that is postfixed to a warning about an invalid type.\n // For example, \"undefined\" or \"of type array\"\n function getPostfixForTypeWarning(value) {\n var type = getPreciseType(value);\n switch (type) {\n case 'array':\n case 'object':\n return 'an ' + type;\n case 'boolean':\n case 'date':\n case 'regexp':\n return 'a ' + type;\n default:\n return type;\n }\n }\n\n // Returns class name of the object, if any.\n function getClassName(propValue) {\n if (!propValue.constructor || !propValue.constructor.name) {\n return ANONYMOUS;\n }\n return propValue.constructor.name;\n }\n\n ReactPropTypes.checkPropTypes = checkPropTypes;\n ReactPropTypes.resetWarningCache = checkPropTypes.resetWarningCache;\n ReactPropTypes.PropTypes = ReactPropTypes;\n\n return ReactPropTypes;\n};\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nif (process.env.NODE_ENV !== 'production') {\n var ReactIs = require('react-is');\n\n // By explicitly using `prop-types` you are opting into new development behavior.\n // http://fb.me/prop-types-in-prod\n var throwOnDirectAccess = true;\n module.exports = require('./factoryWithTypeCheckers')(ReactIs.isElement, throwOnDirectAccess);\n} else {\n // By explicitly using `prop-types` you are opting into new production behavior.\n // http://fb.me/prop-types-in-prod\n module.exports = require('./factoryWithThrowingShims')();\n}\n","/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nvar ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\nmodule.exports = ReactPropTypesSecret;\n","module.exports = Function.call.bind(Object.prototype.hasOwnProperty);\n","import { createElement, useMemo } from 'react';\nimport { I18nContext } from './context.js';\nexport function I18nextProvider(_ref) {\n let {\n i18n,\n defaultNS,\n children\n } = _ref;\n const value = useMemo(() => ({\n i18n,\n defaultNS\n }), [i18n, defaultNS]);\n return createElement(I18nContext.Provider, {\n value\n }, children);\n}","import { useContext } from 'react';\nimport { nodesToString, Trans as TransWithoutContext } from './TransWithoutContext.js';\nimport { getI18n, I18nContext } from './context.js';\nexport { nodesToString };\nexport function Trans(_ref) {\n let {\n children,\n count,\n parent,\n i18nKey,\n context,\n tOptions = {},\n values,\n defaults,\n components,\n ns,\n i18n: i18nFromProps,\n t: tFromProps,\n shouldUnescape,\n ...additionalProps\n } = _ref;\n const {\n i18n: i18nFromContext,\n defaultNS: defaultNSFromContext\n } = useContext(I18nContext) || {};\n const i18n = i18nFromProps || i18nFromContext || getI18n();\n const t = tFromProps || i18n && i18n.t.bind(i18n);\n return TransWithoutContext({\n children,\n count,\n parent,\n i18nKey,\n context,\n tOptions,\n values,\n defaults,\n components,\n ns: ns || t && t.ns || defaultNSFromContext || i18n && i18n.options && i18n.options.defaultNS,\n i18n,\n t: tFromProps,\n shouldUnescape,\n ...additionalProps\n });\n}","import _extends from \"@babel/runtime/helpers/extends\";\nimport React, { isValidElement, cloneElement, createElement, Children } from 'react';\nimport HTML from 'html-parse-stringify';\nimport { warn, warnOnce } from './utils.js';\nimport { getDefaults } from './defaults.js';\nimport { getI18n } from './i18nInstance.js';\nfunction hasChildren(node, checkLength) {\n if (!node) return false;\n const base = node.props ? node.props.children : node.children;\n if (checkLength) return base.length > 0;\n return !!base;\n}\nfunction getChildren(node) {\n if (!node) return [];\n const children = node.props ? node.props.children : node.children;\n return node.props && node.props.i18nIsDynamicList ? getAsArray(children) : children;\n}\nfunction hasValidReactChildren(children) {\n if (Object.prototype.toString.call(children) !== '[object Array]') return false;\n return children.every(child => isValidElement(child));\n}\nfunction getAsArray(data) {\n return Array.isArray(data) ? data : [data];\n}\nfunction mergeProps(source, target) {\n const newTarget = {\n ...target\n };\n newTarget.props = Object.assign(source.props, target.props);\n return newTarget;\n}\nexport function nodesToString(children, i18nOptions) {\n if (!children) return '';\n let stringNode = '';\n const childrenArray = getAsArray(children);\n const keepArray = i18nOptions.transSupportBasicHtmlNodes && i18nOptions.transKeepBasicHtmlNodesFor ? i18nOptions.transKeepBasicHtmlNodesFor : [];\n childrenArray.forEach((child, childIndex) => {\n if (typeof child === 'string') {\n stringNode += `${child}`;\n } else if (isValidElement(child)) {\n const childPropsCount = Object.keys(child.props).length;\n const shouldKeepChild = keepArray.indexOf(child.type) > -1;\n const childChildren = child.props.children;\n if (!childChildren && shouldKeepChild && childPropsCount === 0) {\n stringNode += `<${child.type}/>`;\n } else if (!childChildren && (!shouldKeepChild || childPropsCount !== 0)) {\n stringNode += `<${childIndex}></${childIndex}>`;\n } else if (child.props.i18nIsDynamicList) {\n stringNode += `<${childIndex}></${childIndex}>`;\n } else if (shouldKeepChild && childPropsCount === 1 && typeof childChildren === 'string') {\n stringNode += `<${child.type}>${childChildren}</${child.type}>`;\n } else {\n const content = nodesToString(childChildren, i18nOptions);\n stringNode += `<${childIndex}>${content}</${childIndex}>`;\n }\n } else if (child === null) {\n warn(`Trans: the passed in value is invalid - seems you passed in a null child.`);\n } else if (typeof child === 'object') {\n const {\n format,\n ...clone\n } = child;\n const keys = Object.keys(clone);\n if (keys.length === 1) {\n const value = format ? `${keys[0]}, ${format}` : keys[0];\n stringNode += `{{${value}}}`;\n } else {\n warn(`react-i18next: the passed in object contained more than one variable - the object should look like {{ value, format }} where format is optional.`, child);\n }\n } else {\n warn(`Trans: the passed in value is invalid - seems you passed in a variable like {number} - please pass in variables for interpolation as full objects like {{number}}.`, child);\n }\n });\n return stringNode;\n}\nfunction renderNodes(children, targetString, i18n, i18nOptions, combinedTOpts, shouldUnescape) {\n if (targetString === '') return [];\n const keepArray = i18nOptions.transKeepBasicHtmlNodesFor || [];\n const emptyChildrenButNeedsHandling = targetString && new RegExp(keepArray.map(keep => `<${keep}`).join('|')).test(targetString);\n if (!children && !emptyChildrenButNeedsHandling && !shouldUnescape) return [targetString];\n const data = {};\n function getData(childs) {\n const childrenArray = getAsArray(childs);\n childrenArray.forEach(child => {\n if (typeof child === 'string') return;\n if (hasChildren(child)) getData(getChildren(child));else if (typeof child === 'object' && !isValidElement(child)) Object.assign(data, child);\n });\n }\n getData(children);\n const ast = HTML.parse(`<0>${targetString}</0>`);\n const opts = {\n ...data,\n ...combinedTOpts\n };\n function renderInner(child, node, rootReactNode) {\n const childs = getChildren(child);\n const mappedChildren = mapAST(childs, node.children, rootReactNode);\n return hasValidReactChildren(childs) && mappedChildren.length === 0 || child.props && child.props.i18nIsDynamicList ? childs : mappedChildren;\n }\n function pushTranslatedJSX(child, inner, mem, i, isVoid) {\n if (child.dummy) {\n child.children = inner;\n mem.push(cloneElement(child, {\n key: i\n }, isVoid ? undefined : inner));\n } else {\n mem.push(...Children.map([child], c => {\n const props = {\n ...c.props\n };\n delete props.i18nIsDynamicList;\n return React.createElement(c.type, _extends({}, props, {\n key: i,\n ref: c.ref\n }, isVoid ? {} : {\n children: inner\n }));\n }));\n }\n }\n function mapAST(reactNode, astNode, rootReactNode) {\n const reactNodes = getAsArray(reactNode);\n const astNodes = getAsArray(astNode);\n return astNodes.reduce((mem, node, i) => {\n const translationContent = node.children && node.children[0] && node.children[0].content && i18n.services.interpolator.interpolate(node.children[0].content, opts, i18n.language);\n if (node.type === 'tag') {\n let tmp = reactNodes[parseInt(node.name, 10)];\n if (rootReactNode.length === 1 && !tmp) tmp = rootReactNode[0][node.name];\n if (!tmp) tmp = {};\n const child = Object.keys(node.attrs).length !== 0 ? mergeProps({\n props: node.attrs\n }, tmp) : tmp;\n const isElement = isValidElement(child);\n const isValidTranslationWithChildren = isElement && hasChildren(node, true) && !node.voidElement;\n const isEmptyTransWithHTML = emptyChildrenButNeedsHandling && typeof child === 'object' && child.dummy && !isElement;\n const isKnownComponent = typeof children === 'object' && children !== null && Object.hasOwnProperty.call(children, node.name);\n if (typeof child === 'string') {\n const value = i18n.services.interpolator.interpolate(child, opts, i18n.language);\n mem.push(value);\n } else if (hasChildren(child) || isValidTranslationWithChildren) {\n const inner = renderInner(child, node, rootReactNode);\n pushTranslatedJSX(child, inner, mem, i);\n } else if (isEmptyTransWithHTML) {\n const inner = mapAST(reactNodes, node.children, rootReactNode);\n pushTranslatedJSX(child, inner, mem, i);\n } else if (Number.isNaN(parseFloat(node.name))) {\n if (isKnownComponent) {\n const inner = renderInner(child, node, rootReactNode);\n pushTranslatedJSX(child, inner, mem, i, node.voidElement);\n } else if (i18nOptions.transSupportBasicHtmlNodes && keepArray.indexOf(node.name) > -1) {\n if (node.voidElement) {\n mem.push(createElement(node.name, {\n key: `${node.name}-${i}`\n }));\n } else {\n const inner = mapAST(reactNodes, node.children, rootReactNode);\n mem.push(createElement(node.name, {\n key: `${node.name}-${i}`\n }, inner));\n }\n } else if (node.voidElement) {\n mem.push(`<${node.name} />`);\n } else {\n const inner = mapAST(reactNodes, node.children, rootReactNode);\n mem.push(`<${node.name}>${inner}</${node.name}>`);\n }\n } else if (typeof child === 'object' && !isElement) {\n const content = node.children[0] ? translationContent : null;\n if (content) mem.push(content);\n } else {\n pushTranslatedJSX(child, translationContent, mem, i, node.children.length !== 1 || !translationContent);\n }\n } else if (node.type === 'text') {\n const wrapTextNodes = i18nOptions.transWrapTextNodes;\n const content = shouldUnescape ? i18nOptions.unescape(i18n.services.interpolator.interpolate(node.content, opts, i18n.language)) : i18n.services.interpolator.interpolate(node.content, opts, i18n.language);\n if (wrapTextNodes) {\n mem.push(createElement(wrapTextNodes, {\n key: `${node.name}-${i}`\n }, content));\n } else {\n mem.push(content);\n }\n }\n return mem;\n }, []);\n }\n const result = mapAST([{\n dummy: true,\n children: children || []\n }], ast, getAsArray(children || []));\n return getChildren(result[0]);\n}\nexport function Trans(_ref) {\n let {\n children,\n count,\n parent,\n i18nKey,\n context,\n tOptions = {},\n values,\n defaults,\n components,\n ns,\n i18n: i18nFromProps,\n t: tFromProps,\n shouldUnescape,\n ...additionalProps\n } = _ref;\n const i18n = i18nFromProps || getI18n();\n if (!i18n) {\n warnOnce('You will need to pass in an i18next instance by using i18nextReactModule');\n return children;\n }\n const t = tFromProps || i18n.t.bind(i18n) || (k => k);\n if (context) tOptions.context = context;\n const reactI18nextOptions = {\n ...getDefaults(),\n ...(i18n.options && i18n.options.react)\n };\n let namespaces = ns || t.ns || i18n.options && i18n.options.defaultNS;\n namespaces = typeof namespaces === 'string' ? [namespaces] : namespaces || ['translation'];\n const nodeAsString = nodesToString(children, reactI18nextOptions);\n const defaultValue = defaults || nodeAsString || reactI18nextOptions.transEmptyNodeValue || i18nKey;\n const {\n hashTransKey\n } = reactI18nextOptions;\n const key = i18nKey || (hashTransKey ? hashTransKey(nodeAsString || defaultValue) : nodeAsString || defaultValue);\n const interpolationOverride = values ? tOptions.interpolation : {\n interpolation: {\n ...tOptions.interpolation,\n prefix: '#$?',\n suffix: '?$#'\n }\n };\n const combinedTOpts = {\n ...tOptions,\n count,\n ...values,\n ...interpolationOverride,\n defaultValue,\n ns: namespaces\n };\n const translation = key ? t(key, combinedTOpts) : defaultValue;\n const content = renderNodes(components || children, translation, i18n, reactI18nextOptions, combinedTOpts, shouldUnescape);\n const useAsParent = parent !== undefined ? parent : reactI18nextOptions.defaultTransParent;\n return useAsParent ? createElement(useAsParent, additionalProps, content) : content;\n}","import { useTranslation } from './useTranslation.js';\nexport function Translation(props) {\n const {\n ns,\n children,\n ...options\n } = props;\n const [t, i18n, ready] = useTranslation(ns, options);\n return children(t, {\n i18n,\n lng: i18n.language\n }, ready);\n}","import { createContext } from 'react';\nimport { getDefaults, setDefaults } from './defaults.js';\nimport { getI18n, setI18n } from './i18nInstance.js';\nimport { initReactI18next } from './initReactI18next.js';\nexport { getDefaults, setDefaults, getI18n, setI18n, initReactI18next };\nexport const I18nContext = createContext();\nexport class ReportNamespaces {\n constructor() {\n this.usedNamespaces = {};\n }\n addUsedNamespaces(namespaces) {\n namespaces.forEach(ns => {\n if (!this.usedNamespaces[ns]) this.usedNamespaces[ns] = true;\n });\n }\n getUsedNamespaces() {\n return Object.keys(this.usedNamespaces);\n }\n}\nexport function composeInitialProps(ForComponent) {\n return ctx => new Promise(resolve => {\n const i18nInitialProps = getInitialProps();\n if (ForComponent.getInitialProps) {\n ForComponent.getInitialProps(ctx).then(componentsInitialProps => {\n resolve({\n ...componentsInitialProps,\n ...i18nInitialProps\n });\n });\n } else {\n resolve(i18nInitialProps);\n }\n });\n}\nexport function getInitialProps() {\n const i18n = getI18n();\n const namespaces = i18n.reportNamespaces ? i18n.reportNamespaces.getUsedNamespaces() : [];\n const ret = {};\n const initialI18nStore = {};\n i18n.languages.forEach(l => {\n initialI18nStore[l] = {};\n namespaces.forEach(ns => {\n initialI18nStore[l][ns] = i18n.getResourceBundle(l, ns) || {};\n });\n });\n ret.initialI18nStore = initialI18nStore;\n ret.initialLanguage = i18n.language;\n return ret;\n}","import { unescape } from './unescape.js';\nlet defaultOptions = {\n bindI18n: 'languageChanged',\n bindI18nStore: '',\n transEmptyNodeValue: '',\n transSupportBasicHtmlNodes: true,\n transWrapTextNodes: '',\n transKeepBasicHtmlNodesFor: ['br', 'strong', 'i', 'p'],\n useSuspense: true,\n unescape\n};\nexport function setDefaults() {\n let options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n defaultOptions = {\n ...defaultOptions,\n ...options\n };\n}\nexport function getDefaults() {\n return defaultOptions;\n}","let i18nInstance;\nexport function setI18n(instance) {\n i18nInstance = instance;\n}\nexport function getI18n() {\n return i18nInstance;\n}","export { Trans } from './Trans.js';\nexport { Trans as TransWithoutContext } from './TransWithoutContext.js';\nexport { useTranslation } from './useTranslation.js';\nexport { withTranslation } from './withTranslation.js';\nexport { Translation } from './Translation.js';\nexport { I18nextProvider } from './I18nextProvider.js';\nexport { withSSR } from './withSSR.js';\nexport { useSSR } from './useSSR.js';\nexport { initReactI18next } from './initReactI18next.js';\nexport { setDefaults, getDefaults } from './defaults.js';\nexport { setI18n, getI18n } from './i18nInstance.js';\nexport { I18nContext, composeInitialProps, getInitialProps } from './context.js';\nexport const date = () => '';\nexport const time = () => '';\nexport const number = () => '';\nexport const select = () => '';\nexport const plural = () => '';\nexport const selectOrdinal = () => '';","import { setDefaults } from './defaults.js';\nimport { setI18n } from './i18nInstance.js';\nexport const initReactI18next = {\n type: '3rdParty',\n init(instance) {\n setDefaults(instance.options.react);\n setI18n(instance);\n }\n};","const matchHtmlEntity = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34|nbsp|#160|copy|#169|reg|#174|hellip|#8230|#x2F|#47);/g;\nconst htmlEntities = {\n '&amp;': '&',\n '&#38;': '&',\n '&lt;': '<',\n '&#60;': '<',\n '&gt;': '>',\n '&#62;': '>',\n '&apos;': \"'\",\n '&#39;': \"'\",\n '&quot;': '\"',\n '&#34;': '\"',\n '&nbsp;': ' ',\n '&#160;': ' ',\n '&copy;': '©',\n '&#169;': '©',\n '&reg;': '®',\n '&#174;': '®',\n '&hellip;': '…',\n '&#8230;': '…',\n '&#x2F;': '/',\n '&#47;': '/'\n};\nconst unescapeHtmlEntity = m => htmlEntities[m];\nexport const unescape = text => text.replace(matchHtmlEntity, unescapeHtmlEntity);","import { useContext } from 'react';\nimport { getI18n, I18nContext } from './context.js';\nexport function useSSR(initialI18nStore, initialLanguage) {\n let props = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n const {\n i18n: i18nFromProps\n } = props;\n const {\n i18n: i18nFromContext\n } = useContext(I18nContext) || {};\n const i18n = i18nFromProps || i18nFromContext || getI18n();\n if (i18n.options && i18n.options.isClone) return;\n if (initialI18nStore && !i18n.initializedStoreOnce) {\n i18n.services.resourceStore.data = initialI18nStore;\n i18n.options.ns = Object.values(initialI18nStore).reduce((mem, lngResources) => {\n Object.keys(lngResources).forEach(ns => {\n if (mem.indexOf(ns) < 0) mem.push(ns);\n });\n return mem;\n }, i18n.options.ns);\n i18n.initializedStoreOnce = true;\n i18n.isInitialized = true;\n }\n if (initialLanguage && !i18n.initializedLanguageOnce) {\n i18n.changeLanguage(initialLanguage);\n i18n.initializedLanguageOnce = true;\n }\n}","import { useState, useEffect, useContext, useRef } from 'react';\nimport { getI18n, getDefaults, ReportNamespaces, I18nContext } from './context.js';\nimport { warnOnce, loadNamespaces, loadLanguages, hasLoadedNamespace } from './utils.js';\nconst usePrevious = (value, ignore) => {\n const ref = useRef();\n useEffect(() => {\n ref.current = ignore ? ref.current : value;\n }, [value, ignore]);\n return ref.current;\n};\nexport function useTranslation(ns) {\n let props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n const {\n i18n: i18nFromProps\n } = props;\n const {\n i18n: i18nFromContext,\n defaultNS: defaultNSFromContext\n } = useContext(I18nContext) || {};\n const i18n = i18nFromProps || i18nFromContext || getI18n();\n if (i18n && !i18n.reportNamespaces) i18n.reportNamespaces = new ReportNamespaces();\n if (!i18n) {\n warnOnce('You will need to pass in an i18next instance by using initReactI18next');\n const notReadyT = (k, optsOrDefaultValue) => {\n if (typeof optsOrDefaultValue === 'string') return optsOrDefaultValue;\n if (optsOrDefaultValue && typeof optsOrDefaultValue === 'object' && typeof optsOrDefaultValue.defaultValue === 'string') return optsOrDefaultValue.defaultValue;\n return Array.isArray(k) ? k[k.length - 1] : k;\n };\n const retNotReady = [notReadyT, {}, false];\n retNotReady.t = notReadyT;\n retNotReady.i18n = {};\n retNotReady.ready = false;\n return retNotReady;\n }\n if (i18n.options.react && i18n.options.react.wait !== undefined) warnOnce('It seems you are still using the old wait option, you may migrate to the new useSuspense behaviour.');\n const i18nOptions = {\n ...getDefaults(),\n ...i18n.options.react,\n ...props\n };\n const {\n useSuspense,\n keyPrefix\n } = i18nOptions;\n let namespaces = ns || defaultNSFromContext || i18n.options && i18n.options.defaultNS;\n namespaces = typeof namespaces === 'string' ? [namespaces] : namespaces || ['translation'];\n if (i18n.reportNamespaces.addUsedNamespaces) i18n.reportNamespaces.addUsedNamespaces(namespaces);\n const ready = (i18n.isInitialized || i18n.initializedStoreOnce) && namespaces.every(n => hasLoadedNamespace(n, i18n, i18nOptions));\n function getT() {\n return i18n.getFixedT(props.lng || null, i18nOptions.nsMode === 'fallback' ? namespaces : namespaces[0], keyPrefix);\n }\n const [t, setT] = useState(getT);\n let joinedNS = namespaces.join();\n if (props.lng) joinedNS = `${props.lng}${joinedNS}`;\n const previousJoinedNS = usePrevious(joinedNS);\n const isMounted = useRef(true);\n useEffect(() => {\n const {\n bindI18n,\n bindI18nStore\n } = i18nOptions;\n isMounted.current = true;\n if (!ready && !useSuspense) {\n if (props.lng) {\n loadLanguages(i18n, props.lng, namespaces, () => {\n if (isMounted.current) setT(getT);\n });\n } else {\n loadNamespaces(i18n, namespaces, () => {\n if (isMounted.current) setT(getT);\n });\n }\n }\n if (ready && previousJoinedNS && previousJoinedNS !== joinedNS && isMounted.current) {\n setT(getT);\n }\n function boundReset() {\n if (isMounted.current) setT(getT);\n }\n if (bindI18n && i18n) i18n.on(bindI18n, boundReset);\n if (bindI18nStore && i18n) i18n.store.on(bindI18nStore, boundReset);\n return () => {\n isMounted.current = false;\n if (bindI18n && i18n) bindI18n.split(' ').forEach(e => i18n.off(e, boundReset));\n if (bindI18nStore && i18n) bindI18nStore.split(' ').forEach(e => i18n.store.off(e, boundReset));\n };\n }, [i18n, joinedNS]);\n const isInitial = useRef(true);\n useEffect(() => {\n if (isMounted.current && !isInitial.current) {\n setT(getT);\n }\n isInitial.current = false;\n }, [i18n, keyPrefix]);\n const ret = [t, i18n, ready];\n ret.t = t;\n ret.i18n = i18n;\n ret.ready = ready;\n if (ready) return ret;\n if (!ready && !useSuspense) return ret;\n throw new Promise(resolve => {\n if (props.lng) {\n loadLanguages(i18n, props.lng, namespaces, () => resolve());\n } else {\n loadNamespaces(i18n, namespaces, () => resolve());\n }\n });\n}","export function warn() {\n if (console && console.warn) {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n if (typeof args[0] === 'string') args[0] = `react-i18next:: ${args[0]}`;\n console.warn(...args);\n }\n}\nconst alreadyWarned = {};\nexport function warnOnce() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n if (typeof args[0] === 'string' && alreadyWarned[args[0]]) return;\n if (typeof args[0] === 'string') alreadyWarned[args[0]] = new Date();\n warn(...args);\n}\nconst loadedClb = (i18n, cb) => () => {\n if (i18n.isInitialized) {\n cb();\n } else {\n const initialized = () => {\n setTimeout(() => {\n i18n.off('initialized', initialized);\n }, 0);\n cb();\n };\n i18n.on('initialized', initialized);\n }\n};\nexport function loadNamespaces(i18n, ns, cb) {\n i18n.loadNamespaces(ns, loadedClb(i18n, cb));\n}\nexport function loadLanguages(i18n, lng, ns, cb) {\n if (typeof ns === 'string') ns = [ns];\n ns.forEach(n => {\n if (i18n.options.ns.indexOf(n) < 0) i18n.options.ns.push(n);\n });\n i18n.loadLanguages(lng, loadedClb(i18n, cb));\n}\nfunction oldI18nextHasLoadedNamespace(ns, i18n) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n const lng = i18n.languages[0];\n const fallbackLng = i18n.options ? i18n.options.fallbackLng : false;\n const lastLng = i18n.languages[i18n.languages.length - 1];\n if (lng.toLowerCase() === 'cimode') return true;\n const loadNotPending = (l, n) => {\n const loadState = i18n.services.backendConnector.state[`${l}|${n}`];\n return loadState === -1 || loadState === 2;\n };\n if (options.bindI18n && options.bindI18n.indexOf('languageChanging') > -1 && i18n.services.backendConnector.backend && i18n.isLanguageChangingTo && !loadNotPending(i18n.isLanguageChangingTo, ns)) return false;\n if (i18n.hasResourceBundle(lng, ns)) return true;\n if (!i18n.services.backendConnector.backend || i18n.options.resources && !i18n.options.partialBundledLanguages) return true;\n if (loadNotPending(lng, ns) && (!fallbackLng || loadNotPending(lastLng, ns))) return true;\n return false;\n}\nexport function hasLoadedNamespace(ns, i18n) {\n let options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n if (!i18n.languages || !i18n.languages.length) {\n warnOnce('i18n.languages were undefined or empty', i18n.languages);\n return true;\n }\n const isNewerI18next = i18n.options.ignoreJSONStructure !== undefined;\n if (!isNewerI18next) {\n return oldI18nextHasLoadedNamespace(ns, i18n, options);\n }\n return i18n.hasLoadedNamespace(ns, {\n lng: options.lng,\n precheck: (i18nInstance, loadNotPending) => {\n if (options.bindI18n && options.bindI18n.indexOf('languageChanging') > -1 && i18nInstance.services.backendConnector.backend && i18nInstance.isLanguageChangingTo && !loadNotPending(i18nInstance.isLanguageChangingTo, ns)) return false;\n }\n });\n}\nexport function getDisplayName(Component) {\n return Component.displayName || Component.name || (typeof Component === 'string' && Component.length > 0 ? Component : 'Unknown');\n}","import { createElement } from 'react';\nimport { useSSR } from './useSSR.js';\nimport { composeInitialProps } from './context.js';\nimport { getDisplayName } from './utils.js';\nexport function withSSR() {\n return function Extend(WrappedComponent) {\n function I18nextWithSSR(_ref) {\n let {\n initialI18nStore,\n initialLanguage,\n ...rest\n } = _ref;\n useSSR(initialI18nStore, initialLanguage);\n return createElement(WrappedComponent, {\n ...rest\n });\n }\n I18nextWithSSR.getInitialProps = composeInitialProps(WrappedComponent);\n I18nextWithSSR.displayName = `withI18nextSSR(${getDisplayName(WrappedComponent)})`;\n I18nextWithSSR.WrappedComponent = WrappedComponent;\n return I18nextWithSSR;\n };\n}","import { createElement, forwardRef as forwardRefReact } from 'react';\nimport { useTranslation } from './useTranslation.js';\nimport { getDisplayName } from './utils.js';\nexport function withTranslation(ns) {\n let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n return function Extend(WrappedComponent) {\n function I18nextWithTranslation(_ref) {\n let {\n forwardedRef,\n ...rest\n } = _ref;\n const [t, i18n, ready] = useTranslation(ns, {\n ...rest,\n keyPrefix: options.keyPrefix\n });\n const passDownProps = {\n ...rest,\n t,\n i18n,\n tReady: ready\n };\n if (options.withRef && forwardedRef) {\n passDownProps.ref = forwardedRef;\n } else if (!options.withRef && forwardedRef) {\n passDownProps.forwardedRef = forwardedRef;\n }\n return createElement(WrappedComponent, passDownProps);\n }\n I18nextWithTranslation.displayName = `withI18nextTranslation(${getDisplayName(WrappedComponent)})`;\n I18nextWithTranslation.WrappedComponent = WrappedComponent;\n const forwardRef = (props, ref) => createElement(I18nextWithTranslation, Object.assign({}, props, {\n forwardedRef: ref\n }));\n return options.withRef ? forwardRefReact(forwardRef) : I18nextWithTranslation;\n };\n}","/** @license React v16.13.1\n * react-is.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\n\n\nif (process.env.NODE_ENV !== \"production\") {\n (function() {\n'use strict';\n\n// The Symbol used to tag the ReactElement-like types. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar hasSymbol = typeof Symbol === 'function' && Symbol.for;\nvar REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;\nvar REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;\nvar REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;\nvar REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;\nvar REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;\nvar REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;\nvar REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary\n// (unstable) APIs that have been removed. Can we remove the symbols?\n\nvar REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;\nvar REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;\nvar REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;\nvar REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;\nvar REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;\nvar REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;\nvar REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;\nvar REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;\nvar REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;\nvar REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;\nvar REACT_SCOPE_TYPE = hasSymbol ? Symbol.for('react.scope') : 0xead7;\n\nfunction isValidElementType(type) {\n return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.\n type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_RESPONDER_TYPE || type.$$typeof === REACT_SCOPE_TYPE || type.$$typeof === REACT_BLOCK_TYPE);\n}\n\nfunction typeOf(object) {\n if (typeof object === 'object' && object !== null) {\n var $$typeof = object.$$typeof;\n\n switch ($$typeof) {\n case REACT_ELEMENT_TYPE:\n var type = object.type;\n\n switch (type) {\n case REACT_ASYNC_MODE_TYPE:\n case REACT_CONCURRENT_MODE_TYPE:\n case REACT_FRAGMENT_TYPE:\n case REACT_PROFILER_TYPE:\n case REACT_STRICT_MODE_TYPE:\n case REACT_SUSPENSE_TYPE:\n return type;\n\n default:\n var $$typeofType = type && type.$$typeof;\n\n switch ($$typeofType) {\n case REACT_CONTEXT_TYPE:\n case REACT_FORWARD_REF_TYPE:\n case REACT_LAZY_TYPE:\n case REACT_MEMO_TYPE:\n case REACT_PROVIDER_TYPE:\n return $$typeofType;\n\n default:\n return $$typeof;\n }\n\n }\n\n case REACT_PORTAL_TYPE:\n return $$typeof;\n }\n }\n\n return undefined;\n} // AsyncMode is deprecated along with isAsyncMode\n\nvar AsyncMode = REACT_ASYNC_MODE_TYPE;\nvar ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;\nvar ContextConsumer = REACT_CONTEXT_TYPE;\nvar ContextProvider = REACT_PROVIDER_TYPE;\nvar Element = REACT_ELEMENT_TYPE;\nvar ForwardRef = REACT_FORWARD_REF_TYPE;\nvar Fragment = REACT_FRAGMENT_TYPE;\nvar Lazy = REACT_LAZY_TYPE;\nvar Memo = REACT_MEMO_TYPE;\nvar Portal = REACT_PORTAL_TYPE;\nvar Profiler = REACT_PROFILER_TYPE;\nvar StrictMode = REACT_STRICT_MODE_TYPE;\nvar Suspense = REACT_SUSPENSE_TYPE;\nvar hasWarnedAboutDeprecatedIsAsyncMode = false; // AsyncMode should be deprecated\n\nfunction isAsyncMode(object) {\n {\n if (!hasWarnedAboutDeprecatedIsAsyncMode) {\n hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint\n\n console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 17+. Update your code to use ' + 'ReactIs.isConcurrentMode() instead. It has the exact same API.');\n }\n }\n\n return isConcurrentMode(object) || typeOf(object) === REACT_ASYNC_MODE_TYPE;\n}\nfunction isConcurrentMode(object) {\n return typeOf(object) === REACT_CONCURRENT_MODE_TYPE;\n}\nfunction isContextConsumer(object) {\n return typeOf(object) === REACT_CONTEXT_TYPE;\n}\nfunction isContextProvider(object) {\n return typeOf(object) === REACT_PROVIDER_TYPE;\n}\nfunction isElement(object) {\n return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;\n}\nfunction isForwardRef(object) {\n return typeOf(object) === REACT_FORWARD_REF_TYPE;\n}\nfunction isFragment(object) {\n return typeOf(object) === REACT_FRAGMENT_TYPE;\n}\nfunction isLazy(object) {\n return typeOf(object) === REACT_LAZY_TYPE;\n}\nfunction isMemo(object) {\n return typeOf(object) === REACT_MEMO_TYPE;\n}\nfunction isPortal(object) {\n return typeOf(object) === REACT_PORTAL_TYPE;\n}\nfunction isProfiler(object) {\n return typeOf(object) === REACT_PROFILER_TYPE;\n}\nfunction isStrictMode(object) {\n return typeOf(object) === REACT_STRICT_MODE_TYPE;\n}\nfunction isSuspense(object) {\n return typeOf(object) === REACT_SUSPENSE_TYPE;\n}\n\nexports.AsyncMode = AsyncMode;\nexports.ConcurrentMode = ConcurrentMode;\nexports.ContextConsumer = ContextConsumer;\nexports.ContextProvider = ContextProvider;\nexports.Element = Element;\nexports.ForwardRef = ForwardRef;\nexports.Fragment = Fragment;\nexports.Lazy = Lazy;\nexports.Memo = Memo;\nexports.Portal = Portal;\nexports.Profiler = Profiler;\nexports.StrictMode = StrictMode;\nexports.Suspense = Suspense;\nexports.isAsyncMode = isAsyncMode;\nexports.isConcurrentMode = isConcurrentMode;\nexports.isContextConsumer = isContextConsumer;\nexports.isContextProvider = isContextProvider;\nexports.isElement = isElement;\nexports.isForwardRef = isForwardRef;\nexports.isFragment = isFragment;\nexports.isLazy = isLazy;\nexports.isMemo = isMemo;\nexports.isPortal = isPortal;\nexports.isProfiler = isProfiler;\nexports.isStrictMode = isStrictMode;\nexports.isSuspense = isSuspense;\nexports.isValidElementType = isValidElementType;\nexports.typeOf = typeOf;\n })();\n}\n","'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/react-is.production.min.js');\n} else {\n module.exports = require('./cjs/react-is.development.js');\n}\n","/** @license React v17.0.2\n * react-jsx-runtime.production.min.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n'use strict';require(\"object-assign\");var f=require(\"react\"),g=60103;exports.Fragment=60107;if(\"function\"===typeof Symbol&&Symbol.for){var h=Symbol.for;g=h(\"react.element\");exports.Fragment=h(\"react.fragment\")}var m=f.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactCurrentOwner,n=Object.prototype.hasOwnProperty,p={key:!0,ref:!0,__self:!0,__source:!0};\nfunction q(c,a,k){var b,d={},e=null,l=null;void 0!==k&&(e=\"\"+k);void 0!==a.key&&(e=\"\"+a.key);void 0!==a.ref&&(l=a.ref);for(b in a)n.call(a,b)&&!p.hasOwnProperty(b)&&(d[b]=a[b]);if(c&&c.defaultProps)for(b in a=c.defaultProps,a)void 0===d[b]&&(d[b]=a[b]);return{$$typeof:g,type:c,key:e,ref:l,props:d,_owner:m.current}}exports.jsx=q;exports.jsxs=q;\n","/** @license React v17.0.2\n * react.production.min.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n'use strict';var l=require(\"object-assign\"),n=60103,p=60106;exports.Fragment=60107;exports.StrictMode=60108;exports.Profiler=60114;var q=60109,r=60110,t=60112;exports.Suspense=60113;var u=60115,v=60116;\nif(\"function\"===typeof Symbol&&Symbol.for){var w=Symbol.for;n=w(\"react.element\");p=w(\"react.portal\");exports.Fragment=w(\"react.fragment\");exports.StrictMode=w(\"react.strict_mode\");exports.Profiler=w(\"react.profiler\");q=w(\"react.provider\");r=w(\"react.context\");t=w(\"react.forward_ref\");exports.Suspense=w(\"react.suspense\");u=w(\"react.memo\");v=w(\"react.lazy\")}var x=\"function\"===typeof Symbol&&Symbol.iterator;\nfunction y(a){if(null===a||\"object\"!==typeof a)return null;a=x&&a[x]||a[\"@@iterator\"];return\"function\"===typeof a?a:null}function z(a){for(var b=\"https://reactjs.org/docs/error-decoder.html?invariant=\"+a,c=1;c<arguments.length;c++)b+=\"&args[]=\"+encodeURIComponent(arguments[c]);return\"Minified React error #\"+a+\"; visit \"+b+\" for the full message or use the non-minified dev environment for full errors and additional helpful warnings.\"}\nvar A={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}},B={};function C(a,b,c){this.props=a;this.context=b;this.refs=B;this.updater=c||A}C.prototype.isReactComponent={};C.prototype.setState=function(a,b){if(\"object\"!==typeof a&&\"function\"!==typeof a&&null!=a)throw Error(z(85));this.updater.enqueueSetState(this,a,b,\"setState\")};C.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,\"forceUpdate\")};\nfunction D(){}D.prototype=C.prototype;function E(a,b,c){this.props=a;this.context=b;this.refs=B;this.updater=c||A}var F=E.prototype=new D;F.constructor=E;l(F,C.prototype);F.isPureReactComponent=!0;var G={current:null},H=Object.prototype.hasOwnProperty,I={key:!0,ref:!0,__self:!0,__source:!0};\nfunction J(a,b,c){var e,d={},k=null,h=null;if(null!=b)for(e in void 0!==b.ref&&(h=b.ref),void 0!==b.key&&(k=\"\"+b.key),b)H.call(b,e)&&!I.hasOwnProperty(e)&&(d[e]=b[e]);var g=arguments.length-2;if(1===g)d.children=c;else if(1<g){for(var f=Array(g),m=0;m<g;m++)f[m]=arguments[m+2];d.children=f}if(a&&a.defaultProps)for(e in g=a.defaultProps,g)void 0===d[e]&&(d[e]=g[e]);return{$$typeof:n,type:a,key:k,ref:h,props:d,_owner:G.current}}\nfunction K(a,b){return{$$typeof:n,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}}function L(a){return\"object\"===typeof a&&null!==a&&a.$$typeof===n}function escape(a){var b={\"=\":\"=0\",\":\":\"=2\"};return\"$\"+a.replace(/[=:]/g,function(a){return b[a]})}var M=/\\/+/g;function N(a,b){return\"object\"===typeof a&&null!==a&&null!=a.key?escape(\"\"+a.key):b.toString(36)}\nfunction O(a,b,c,e,d){var k=typeof a;if(\"undefined\"===k||\"boolean\"===k)a=null;var h=!1;if(null===a)h=!0;else switch(k){case \"string\":case \"number\":h=!0;break;case \"object\":switch(a.$$typeof){case n:case p:h=!0}}if(h)return h=a,d=d(h),a=\"\"===e?\".\"+N(h,0):e,Array.isArray(d)?(c=\"\",null!=a&&(c=a.replace(M,\"$&/\")+\"/\"),O(d,b,c,\"\",function(a){return a})):null!=d&&(L(d)&&(d=K(d,c+(!d.key||h&&h.key===d.key?\"\":(\"\"+d.key).replace(M,\"$&/\")+\"/\")+a)),b.push(d)),1;h=0;e=\"\"===e?\".\":e+\":\";if(Array.isArray(a))for(var g=\n0;g<a.length;g++){k=a[g];var f=e+N(k,g);h+=O(k,b,c,f,d)}else if(f=y(a),\"function\"===typeof f)for(a=f.call(a),g=0;!(k=a.next()).done;)k=k.value,f=e+N(k,g++),h+=O(k,b,c,f,d);else if(\"object\"===k)throw b=\"\"+a,Error(z(31,\"[object Object]\"===b?\"object with keys {\"+Object.keys(a).join(\", \")+\"}\":b));return h}function P(a,b,c){if(null==a)return a;var e=[],d=0;O(a,e,\"\",\"\",function(a){return b.call(c,a,d++)});return e}\nfunction Q(a){if(-1===a._status){var b=a._result;b=b();a._status=0;a._result=b;b.then(function(b){0===a._status&&(b=b.default,a._status=1,a._result=b)},function(b){0===a._status&&(a._status=2,a._result=b)})}if(1===a._status)return a._result;throw a._result;}var R={current:null};function S(){var a=R.current;if(null===a)throw Error(z(321));return a}var T={ReactCurrentDispatcher:R,ReactCurrentBatchConfig:{transition:0},ReactCurrentOwner:G,IsSomeRendererActing:{current:!1},assign:l};\nexports.Children={map:P,forEach:function(a,b,c){P(a,function(){b.apply(this,arguments)},c)},count:function(a){var b=0;P(a,function(){b++});return b},toArray:function(a){return P(a,function(a){return a})||[]},only:function(a){if(!L(a))throw Error(z(143));return a}};exports.Component=C;exports.PureComponent=E;exports.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED=T;\nexports.cloneElement=function(a,b,c){if(null===a||void 0===a)throw Error(z(267,a));var e=l({},a.props),d=a.key,k=a.ref,h=a._owner;if(null!=b){void 0!==b.ref&&(k=b.ref,h=G.current);void 0!==b.key&&(d=\"\"+b.key);if(a.type&&a.type.defaultProps)var g=a.type.defaultProps;for(f in b)H.call(b,f)&&!I.hasOwnProperty(f)&&(e[f]=void 0===b[f]&&void 0!==g?g[f]:b[f])}var f=arguments.length-2;if(1===f)e.children=c;else if(1<f){g=Array(f);for(var m=0;m<f;m++)g[m]=arguments[m+2];e.children=g}return{$$typeof:n,type:a.type,\nkey:d,ref:k,props:e,_owner:h}};exports.createContext=function(a,b){void 0===b&&(b=null);a={$$typeof:r,_calculateChangedBits:b,_currentValue:a,_currentValue2:a,_threadCount:0,Provider:null,Consumer:null};a.Provider={$$typeof:q,_context:a};return a.Consumer=a};exports.createElement=J;exports.createFactory=function(a){var b=J.bind(null,a);b.type=a;return b};exports.createRef=function(){return{current:null}};exports.forwardRef=function(a){return{$$typeof:t,render:a}};exports.isValidElement=L;\nexports.lazy=function(a){return{$$typeof:v,_payload:{_status:-1,_result:a},_init:Q}};exports.memo=function(a,b){return{$$typeof:u,type:a,compare:void 0===b?null:b}};exports.useCallback=function(a,b){return S().useCallback(a,b)};exports.useContext=function(a,b){return S().useContext(a,b)};exports.useDebugValue=function(){};exports.useEffect=function(a,b){return S().useEffect(a,b)};exports.useImperativeHandle=function(a,b,c){return S().useImperativeHandle(a,b,c)};\nexports.useLayoutEffect=function(a,b){return S().useLayoutEffect(a,b)};exports.useMemo=function(a,b){return S().useMemo(a,b)};exports.useReducer=function(a,b,c){return S().useReducer(a,b,c)};exports.useRef=function(a){return S().useRef(a)};exports.useState=function(a){return S().useState(a)};exports.version=\"17.0.2\";\n",null,null,null,null,null,null,null,"/**\n * This file automatically generated from `pre-publish.js`.\n * Do not manually edit.\n */\n\nmodule.exports = {\n \"area\": true,\n \"base\": true,\n \"br\": true,\n \"col\": true,\n \"embed\": true,\n \"hr\": true,\n \"img\": true,\n \"input\": true,\n \"link\": true,\n \"meta\": true,\n \"param\": true,\n \"source\": true,\n \"track\": true,\n \"wbr\": true\n};\n","var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || new Function(\"return this\")();\n} catch (e) {\n\t// This works if the window reference is available\n\tif (typeof window === \"object\") g = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it's\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","export function isFunction (x) {\n return typeof x === 'function'\n}\n\nexport function isUndefined (x) {\n return typeof x === 'undefined'\n}\n\nexport function isObject (x) {\n return x && typeof x === 'object'\n}\n","import { isFunction, isObject, isUndefined } from './utils'\n\nconst isBadObj = (x) => !isObject(x)\n\nfunction throwTypeError (s) {\n throw new TypeError(s)\n}\n\nif (!isFunction(Object.assign)) {\n // Must be writable: true, enumerable: false, configurable: true\n Object.assign = function (target) { // .length of function is 2\n if (target == null) { // TypeError if undefined or null\n throwTypeError('Cannot convert undefined or null to object')\n }\n\n const to = Object(target)\n\n for (let index = 1; index < arguments.length; index++) {\n const nextSource = arguments[index]\n\n if (nextSource != null) { // Skip over if undefined or null\n for (const nextKey in nextSource) {\n // Avoid bugs when hasOwnProperty is shadowed\n if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {\n to[nextKey] = nextSource[nextKey]\n }\n }\n }\n }\n return to\n }\n}\n\nif (!isFunction(Object.defineProperties)) {\n Object.defineProperties = function (obj, properties) {\n function convertToDescriptor (desc) {\n function hasProperty (obj, prop) {\n return Object.prototype.hasOwnProperty.call(obj, prop)\n }\n\n if (isBadObj(desc)) { throwTypeError('bad desc') }\n\n const d = {}\n\n if (hasProperty(desc, 'enumerable')) d.enumerable = !!desc.enumerable\n if (hasProperty(desc, 'configurable')) { d.configurable = !!desc.configurable }\n if (hasProperty(desc, 'value')) d.value = desc.value\n if (hasProperty(desc, 'writable')) d.writable = !!desc.writable\n if (hasProperty(desc, 'get')) {\n const g = desc.get\n\n if (!isFunction(g) && !isUndefined(g)) { throwTypeError('bad get') }\n d.get = g\n }\n if (hasProperty(desc, 'set')) {\n const s = desc.set\n if (!isFunction(s) && !isUndefined(s)) { throwTypeError('bad set') }\n d.set = s\n }\n\n if (('get' in d || 'set' in d) && ('value' in d || 'writable' in d)) { throwTypeError('identity-confused descriptor') }\n\n return d\n }\n\n if (isBadObj(obj)) throwTypeError('bad obj')\n\n properties = Object(properties)\n\n const keys = Object.keys(properties)\n const descs = []\n\n for (let i = 0; i < keys.length; i++) {\n descs.push([keys[i], convertToDescriptor(properties[keys[i]])])\n }\n\n for (let i = 0; i < descs.length; i++) {\n Object.defineProperty(obj, descs[i][0], descs[i][1])\n }\n\n return obj\n }\n}\n","const DEFAULT_EMPTY_ARRAY = '[]';\nconst NO_DEFAULT_VALUE = '';\nconst DEFAULT_TRUE = '!0';\nconst DEFAULT_FALSE = '!1';\nconst touchEvents = {\n bindTouchStart: NO_DEFAULT_VALUE,\n bindTouchMove: NO_DEFAULT_VALUE,\n bindTouchEnd: NO_DEFAULT_VALUE,\n bindTouchCancel: NO_DEFAULT_VALUE,\n bindLongTap: NO_DEFAULT_VALUE\n};\nconst animation = {\n animation: NO_DEFAULT_VALUE,\n bindAnimationStart: NO_DEFAULT_VALUE,\n bindAnimationIteration: NO_DEFAULT_VALUE,\n bindAnimationEnd: NO_DEFAULT_VALUE,\n bindTransitionEnd: NO_DEFAULT_VALUE\n};\nfunction singleQuote(s) {\n return `'${s}'`;\n}\nconst View = Object.assign(Object.assign({ 'hover-class': singleQuote('none'), 'hover-stop-propagation': DEFAULT_FALSE, 'hover-start-time': '50', 'hover-stay-time': '400' }, touchEvents), animation);\nconst Icon = {\n type: NO_DEFAULT_VALUE,\n size: '23',\n color: NO_DEFAULT_VALUE\n};\nconst MapComp = Object.assign({ longitude: NO_DEFAULT_VALUE, latitude: NO_DEFAULT_VALUE, scale: '16', markers: DEFAULT_EMPTY_ARRAY, covers: NO_DEFAULT_VALUE, polyline: DEFAULT_EMPTY_ARRAY, circles: DEFAULT_EMPTY_ARRAY, controls: DEFAULT_EMPTY_ARRAY, 'include-points': DEFAULT_EMPTY_ARRAY, 'show-location': NO_DEFAULT_VALUE, 'layer-style': '1', bindMarkerTap: NO_DEFAULT_VALUE, bindControlTap: NO_DEFAULT_VALUE, bindCalloutTap: NO_DEFAULT_VALUE, bindUpdated: NO_DEFAULT_VALUE }, touchEvents);\nconst Progress = {\n percent: NO_DEFAULT_VALUE,\n 'stroke-width': '6',\n color: singleQuote('#09BB07'),\n activeColor: singleQuote('#09BB07'),\n backgroundColor: singleQuote('#EBEBEB'),\n active: DEFAULT_FALSE,\n 'active-mode': singleQuote('backwards'),\n 'show-info': DEFAULT_FALSE\n};\nconst RichText = {\n nodes: DEFAULT_EMPTY_ARRAY\n};\nconst Text = {\n selectable: DEFAULT_FALSE,\n space: NO_DEFAULT_VALUE,\n decode: DEFAULT_FALSE\n};\nconst Button = Object.assign({ size: singleQuote('default'), type: NO_DEFAULT_VALUE, plain: DEFAULT_FALSE, disabled: NO_DEFAULT_VALUE, loading: DEFAULT_FALSE, 'form-type': NO_DEFAULT_VALUE, 'open-type': NO_DEFAULT_VALUE, 'hover-class': singleQuote('button-hover'), 'hover-stop-propagation': DEFAULT_FALSE, 'hover-start-time': '20', 'hover-stay-time': '70', name: NO_DEFAULT_VALUE }, touchEvents);\nconst Checkbox = {\n value: NO_DEFAULT_VALUE,\n disabled: NO_DEFAULT_VALUE,\n checked: DEFAULT_FALSE,\n color: singleQuote('#09BB07'),\n name: NO_DEFAULT_VALUE\n};\nconst CheckboxGroup = {\n bindChange: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Form = {\n 'report-submit': DEFAULT_FALSE,\n bindSubmit: NO_DEFAULT_VALUE,\n bindReset: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Input = {\n value: NO_DEFAULT_VALUE,\n type: singleQuote(NO_DEFAULT_VALUE),\n password: DEFAULT_FALSE,\n placeholder: NO_DEFAULT_VALUE,\n 'placeholder-style': NO_DEFAULT_VALUE,\n 'placeholder-class': singleQuote('input-placeholder'),\n disabled: NO_DEFAULT_VALUE,\n maxlength: '140',\n 'cursor-spacing': '0',\n focus: DEFAULT_FALSE,\n 'confirm-type': singleQuote('done'),\n 'confirm-hold': DEFAULT_FALSE,\n cursor: 'i.value.length',\n 'selection-start': '-1',\n 'selection-end': '-1',\n bindInput: NO_DEFAULT_VALUE,\n bindFocus: NO_DEFAULT_VALUE,\n bindBlur: NO_DEFAULT_VALUE,\n bindConfirm: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Label = {\n for: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Picker = {\n mode: singleQuote('selector'),\n disabled: NO_DEFAULT_VALUE,\n range: NO_DEFAULT_VALUE,\n 'range-key': NO_DEFAULT_VALUE,\n value: NO_DEFAULT_VALUE,\n start: NO_DEFAULT_VALUE,\n end: NO_DEFAULT_VALUE,\n fields: singleQuote('day'),\n 'custom-item': NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE,\n bindCancel: NO_DEFAULT_VALUE,\n bindChange: NO_DEFAULT_VALUE,\n bindColumnChange: NO_DEFAULT_VALUE\n};\nconst PickerView = {\n value: NO_DEFAULT_VALUE,\n 'indicator-style': NO_DEFAULT_VALUE,\n 'indicator-class': NO_DEFAULT_VALUE,\n 'mask-style': NO_DEFAULT_VALUE,\n 'mask-class': NO_DEFAULT_VALUE,\n bindChange: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst PickerViewColumn = {\n name: NO_DEFAULT_VALUE\n};\nconst Radio = {\n value: NO_DEFAULT_VALUE,\n checked: DEFAULT_FALSE,\n disabled: NO_DEFAULT_VALUE,\n color: singleQuote('#09BB07'),\n name: NO_DEFAULT_VALUE\n};\nconst RadioGroup = {\n bindChange: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Slider = {\n min: '0',\n max: '100',\n step: '1',\n disabled: NO_DEFAULT_VALUE,\n value: '0',\n activeColor: singleQuote('#1aad19'),\n backgroundColor: singleQuote('#e9e9e9'),\n 'block-size': '28',\n 'block-color': singleQuote('#ffffff'),\n 'show-value': DEFAULT_FALSE,\n bindChange: NO_DEFAULT_VALUE,\n bindChanging: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Switch = {\n checked: DEFAULT_FALSE,\n disabled: NO_DEFAULT_VALUE,\n type: singleQuote('switch'),\n color: singleQuote('#04BE02'),\n bindChange: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst Textarea = {\n value: NO_DEFAULT_VALUE,\n placeholder: NO_DEFAULT_VALUE,\n 'placeholder-style': NO_DEFAULT_VALUE,\n 'placeholder-class': singleQuote('textarea-placeholder'),\n disabled: NO_DEFAULT_VALUE,\n maxlength: '140',\n 'auto-focus': DEFAULT_FALSE,\n focus: DEFAULT_FALSE,\n 'auto-height': DEFAULT_FALSE,\n fixed: DEFAULT_FALSE,\n 'cursor-spacing': '0',\n cursor: '-1',\n 'selection-start': '-1',\n 'selection-end': '-1',\n bindFocus: NO_DEFAULT_VALUE,\n bindBlur: NO_DEFAULT_VALUE,\n bindLineChange: NO_DEFAULT_VALUE,\n bindInput: NO_DEFAULT_VALUE,\n bindConfirm: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE\n};\nconst CoverImage = {\n src: NO_DEFAULT_VALUE,\n bindLoad: 'eh',\n bindError: 'eh'\n};\nconst CoverView = Object.assign({ 'scroll-top': DEFAULT_FALSE }, touchEvents);\nconst MovableArea = {\n 'scale-area': DEFAULT_FALSE\n};\nconst MovableView = Object.assign(Object.assign({ direction: 'none', inertia: DEFAULT_FALSE, 'out-of-bounds': DEFAULT_FALSE, x: NO_DEFAULT_VALUE, y: NO_DEFAULT_VALUE, damping: '20', friction: '2', disabled: NO_DEFAULT_VALUE, scale: DEFAULT_FALSE, 'scale-min': '0.5', 'scale-max': '10', 'scale-value': '1', bindChange: NO_DEFAULT_VALUE, bindScale: NO_DEFAULT_VALUE, bindHTouchMove: NO_DEFAULT_VALUE, bindVTouchMove: NO_DEFAULT_VALUE, width: singleQuote('10px'), height: singleQuote('10px') }, touchEvents), animation);\nconst ScrollView = Object.assign(Object.assign({ 'scroll-x': DEFAULT_FALSE, 'scroll-y': DEFAULT_FALSE, 'upper-threshold': '50', 'lower-threshold': '50', 'scroll-top': NO_DEFAULT_VALUE, 'scroll-left': NO_DEFAULT_VALUE, 'scroll-into-view': NO_DEFAULT_VALUE, 'scroll-with-animation': DEFAULT_FALSE, 'enable-back-to-top': DEFAULT_FALSE, bindScrollToUpper: NO_DEFAULT_VALUE, bindScrollToLower: NO_DEFAULT_VALUE, bindScroll: NO_DEFAULT_VALUE }, touchEvents), animation);\nconst Swiper = Object.assign({ 'indicator-dots': DEFAULT_FALSE, 'indicator-color': singleQuote('rgba(0, 0, 0, .3)'), 'indicator-active-color': singleQuote('#000000'), autoplay: DEFAULT_FALSE, current: '0', interval: '5000', duration: '500', circular: DEFAULT_FALSE, vertical: DEFAULT_FALSE, 'previous-margin': singleQuote('0px'), 'next-margin': singleQuote('0px'), 'display-multiple-items': '1', bindChange: NO_DEFAULT_VALUE, bindTransition: NO_DEFAULT_VALUE, bindAnimationFinish: NO_DEFAULT_VALUE }, touchEvents);\nconst SwiperItem = {\n 'item-id': NO_DEFAULT_VALUE\n};\nconst Navigator = {\n url: NO_DEFAULT_VALUE,\n 'open-type': singleQuote('navigate'),\n delta: '1',\n 'hover-class': singleQuote('navigator-hover'),\n 'hover-stop-propagation': DEFAULT_FALSE,\n 'hover-start-time': '50',\n 'hover-stay-time': '600',\n bindSuccess: NO_DEFAULT_VALUE,\n bindFail: NO_DEFAULT_VALUE,\n bindComplete: NO_DEFAULT_VALUE\n};\nconst Audio = {\n id: NO_DEFAULT_VALUE,\n src: NO_DEFAULT_VALUE,\n loop: DEFAULT_FALSE,\n controls: DEFAULT_FALSE,\n poster: NO_DEFAULT_VALUE,\n name: NO_DEFAULT_VALUE,\n author: NO_DEFAULT_VALUE,\n bindError: NO_DEFAULT_VALUE,\n bindPlay: NO_DEFAULT_VALUE,\n bindPause: NO_DEFAULT_VALUE,\n bindTimeUpdate: NO_DEFAULT_VALUE,\n bindEnded: NO_DEFAULT_VALUE\n};\nconst Camera = {\n 'device-position': singleQuote('back'),\n flash: singleQuote('auto'),\n bindStop: NO_DEFAULT_VALUE,\n bindError: NO_DEFAULT_VALUE\n};\nconst Image = Object.assign({ src: NO_DEFAULT_VALUE, mode: singleQuote('scaleToFill'), 'lazy-load': DEFAULT_FALSE, bindError: NO_DEFAULT_VALUE, bindLoad: NO_DEFAULT_VALUE }, touchEvents);\nconst LivePlayer = Object.assign({ src: NO_DEFAULT_VALUE, autoplay: DEFAULT_FALSE, muted: DEFAULT_FALSE, orientation: singleQuote('vertical'), 'object-fit': singleQuote('contain'), 'background-mute': DEFAULT_FALSE, 'min-cache': '1', 'max-cache': '3', bindStateChange: NO_DEFAULT_VALUE, bindFullScreenChange: NO_DEFAULT_VALUE, bindNetStatus: NO_DEFAULT_VALUE }, animation);\nconst Video = Object.assign({ src: NO_DEFAULT_VALUE, duration: NO_DEFAULT_VALUE, controls: DEFAULT_TRUE, 'danmu-list': NO_DEFAULT_VALUE, 'danmu-btn': NO_DEFAULT_VALUE, 'enable-danmu': NO_DEFAULT_VALUE, autoplay: DEFAULT_FALSE, loop: DEFAULT_FALSE, muted: DEFAULT_FALSE, 'initial-time': '0', 'page-gesture': DEFAULT_FALSE, direction: NO_DEFAULT_VALUE, 'show-progress': DEFAULT_TRUE, 'show-fullscreen-btn': DEFAULT_TRUE, 'show-play-btn': DEFAULT_TRUE, 'show-center-play-btn': DEFAULT_TRUE, 'enable-progress-gesture': DEFAULT_TRUE, 'object-fit': singleQuote('contain'), poster: NO_DEFAULT_VALUE, 'show-mute-btn': DEFAULT_FALSE, bindPlay: NO_DEFAULT_VALUE, bindPause: NO_DEFAULT_VALUE, bindEnded: NO_DEFAULT_VALUE, bindTimeUpdate: NO_DEFAULT_VALUE, bindFullScreenChange: NO_DEFAULT_VALUE, bindWaiting: NO_DEFAULT_VALUE, bindError: NO_DEFAULT_VALUE }, animation);\nconst Canvas = Object.assign({ 'canvas-id': NO_DEFAULT_VALUE, 'disable-scroll': DEFAULT_FALSE, bindError: NO_DEFAULT_VALUE }, touchEvents);\nconst Ad = {\n 'unit-id': NO_DEFAULT_VALUE,\n 'ad-intervals': NO_DEFAULT_VALUE,\n bindLoad: NO_DEFAULT_VALUE,\n bindError: NO_DEFAULT_VALUE,\n bindClose: NO_DEFAULT_VALUE\n};\nconst WebView = {\n src: NO_DEFAULT_VALUE,\n bindMessage: NO_DEFAULT_VALUE,\n bindLoad: NO_DEFAULT_VALUE,\n bindError: NO_DEFAULT_VALUE\n};\nconst Block = {};\n// For Vue,因为 slot 标签被 vue 占用了\nconst SlotView = {\n name: NO_DEFAULT_VALUE\n};\n// For React\n// Slot 和 SlotView 最终都会编译成 <view slot={{ i.name }} />\n// 因为 <slot name=\"{{ i.name }}\" /> 适用性没有前者高(无法添加类和样式)\n// 不给 View 直接加 slot 属性的原因是性能损耗\nconst Slot = {\n name: NO_DEFAULT_VALUE\n};\nconst NativeSlot = {\n name: NO_DEFAULT_VALUE\n};\nconst internalComponents = {\n View,\n Icon,\n Progress,\n RichText,\n Text,\n Button,\n Checkbox,\n CheckboxGroup,\n Form,\n Input,\n Label,\n Picker,\n PickerView,\n PickerViewColumn,\n Radio,\n RadioGroup,\n Slider,\n Switch,\n CoverImage,\n Textarea,\n CoverView,\n MovableArea,\n MovableView,\n ScrollView,\n Swiper,\n SwiperItem,\n Navigator,\n Audio,\n Camera,\n Image,\n LivePlayer,\n Video,\n Canvas,\n Ad,\n WebView,\n Block,\n Map: MapComp,\n Slot,\n SlotView,\n NativeSlot,\n};\nconst controlledComponent = new Set([\n 'input',\n 'checkbox',\n 'picker',\n 'picker-view',\n 'radio',\n 'slider',\n 'switch',\n 'textarea'\n]);\nconst focusComponents = new Set([\n 'input',\n 'textarea'\n]);\nconst voidElements = new Set([\n 'progress',\n 'icon',\n 'rich-text',\n 'input',\n 'textarea',\n 'slider',\n 'switch',\n 'audio',\n 'ad',\n 'official-account',\n 'open-data',\n 'navigation-bar'\n]);\nconst nestElements = new Map([\n ['view', -1],\n ['catch-view', -1],\n ['cover-view', -1],\n ['static-view', -1],\n ['pure-view', -1],\n ['block', -1],\n ['text', -1],\n ['static-text', 6],\n ['slot', 8],\n ['slot-view', 8],\n ['label', 6],\n ['form', 4],\n ['scroll-view', 4],\n ['swiper', 4],\n ['swiper-item', 4]\n]);\n\nvar PLATFORM_TYPE;\n(function (PLATFORM_TYPE) {\n PLATFORM_TYPE[\"MINI\"] = \"mini\";\n PLATFORM_TYPE[\"WEB\"] = \"web\";\n PLATFORM_TYPE[\"RN\"] = \"rn\";\n PLATFORM_TYPE[\"HARMONY\"] = \"harmony\";\n PLATFORM_TYPE[\"QUICK\"] = \"quickapp\";\n})(PLATFORM_TYPE || (PLATFORM_TYPE = {}));\nconst PLATFORM_CONFIG_MAP = {\n h5: {\n type: PLATFORM_TYPE.WEB\n },\n harmony: {\n type: PLATFORM_TYPE.HARMONY\n },\n mini: {\n type: PLATFORM_TYPE.MINI\n },\n rn: {\n type: PLATFORM_TYPE.RN\n },\n quickapp: {\n type: PLATFORM_TYPE.QUICK\n }\n};\n\nclass Events {\n constructor(opts) {\n var _a;\n this.callbacks = (_a = opts === null || opts === void 0 ? void 0 : opts.callbacks) !== null && _a !== void 0 ? _a : {};\n }\n on(eventName, callback, context) {\n let event, tail, _eventName;\n if (!callback) {\n return this;\n }\n if (typeof eventName === 'symbol') {\n _eventName = [eventName];\n }\n else {\n _eventName = eventName.split(Events.eventSplitter);\n }\n this.callbacks || (this.callbacks = {});\n const calls = this.callbacks;\n while ((event = _eventName.shift())) {\n const list = calls[event];\n const node = list ? list.tail : {};\n node.next = tail = {};\n node.context = context;\n node.callback = callback;\n calls[event] = {\n tail,\n next: list ? list.next : node\n };\n }\n return this;\n }\n once(events, callback, context) {\n const wrapper = (...args) => {\n callback.apply(this, args);\n this.off(events, wrapper, context);\n };\n this.on(events, wrapper, context);\n return this;\n }\n off(events, callback, context) {\n let event, calls, _events;\n if (!(calls = this.callbacks)) {\n return this;\n }\n if (!(events || callback || context)) {\n delete this.callbacks;\n return this;\n }\n if (typeof events === 'symbol') {\n _events = [events];\n }\n else {\n _events = events ? events.split(Events.eventSplitter) : Object.keys(calls);\n }\n while ((event = _events.shift())) {\n let node = calls[event];\n delete calls[event];\n if (!node || !(callback || context)) {\n continue;\n }\n const tail = node.tail;\n while ((node = node.next) !== tail) {\n const cb = node.callback;\n const ctx = node.context;\n if ((callback && cb !== callback) || (context && ctx !== context)) {\n this.on(event, cb, ctx);\n }\n }\n }\n return this;\n }\n trigger(events, ...args) {\n let event, node, calls, _events;\n if (!(calls = this.callbacks)) {\n return this;\n }\n if (typeof events === 'symbol') {\n _events = [events];\n }\n else {\n _events = events.split(Events.eventSplitter);\n }\n while ((event = _events.shift())) {\n if ((node = calls[event])) {\n const tail = node.tail;\n while ((node = node.next) !== tail) {\n node.callback.apply(node.context || this, args);\n }\n }\n }\n return this;\n }\n}\nEvents.eventSplitter = ','; // Note: Harmony ACE API 8 开发板不支持使用正则 split 字符串 /\\s+/\n\nfunction isString(o) {\n return typeof o === 'string';\n}\nfunction isUndefined(o) {\n return typeof o === 'undefined';\n}\nfunction isNull(o) {\n return o === null;\n}\nfunction isObject(o) {\n return o !== null && typeof o === 'object';\n}\nfunction isBoolean(o) {\n return o === true || o === false;\n}\nfunction isFunction(o) {\n return typeof o === 'function';\n}\nfunction isNumber(o) {\n return typeof o === 'number';\n}\nfunction isBooleanStringLiteral(o) {\n return o === 'true' || o === 'false';\n}\nconst isArray = Array.isArray;\nconst isWebPlatform = () => process.env.TARO_ENV === 'h5' || process.env.TARO_PLATFORM === 'web';\n\nvar HOOK_TYPE;\n(function (HOOK_TYPE) {\n HOOK_TYPE[HOOK_TYPE[\"SINGLE\"] = 0] = \"SINGLE\";\n HOOK_TYPE[HOOK_TYPE[\"MULTI\"] = 1] = \"MULTI\";\n HOOK_TYPE[HOOK_TYPE[\"WATERFALL\"] = 2] = \"WATERFALL\";\n})(HOOK_TYPE || (HOOK_TYPE = {}));\nconst defaultMiniLifecycle = {\n app: [\n 'onLaunch',\n 'onShow',\n 'onHide'\n ],\n page: [\n 'onLoad',\n 'onUnload',\n 'onReady',\n 'onShow',\n 'onHide',\n [\n 'onPullDownRefresh',\n 'onReachBottom',\n 'onPageScroll',\n 'onResize',\n 'onTabItemTap',\n 'onTitleClick',\n 'onOptionMenuClick',\n 'onPopMenuClick',\n 'onPullIntercept',\n 'onAddToFavorites'\n ],\n [\n 'onShareAppMessage',\n 'onShareTimeline'\n ]\n ],\n component: [\n 'attached',\n 'detached'\n ]\n};\nfunction TaroHook(type, initial) {\n return {\n type,\n initial: initial || null\n };\n}\nclass TaroHooks extends Events {\n constructor(hooks, opts) {\n super(opts);\n this.hooks = hooks;\n for (const hookName in hooks) {\n const { initial } = hooks[hookName];\n if (isFunction(initial)) {\n this.on(hookName, initial);\n }\n }\n }\n tapOneOrMany(hookName, callback) {\n const list = isFunction(callback) ? [callback] : callback;\n list.forEach(cb => this.on(hookName, cb));\n }\n tap(hookName, callback) {\n const hooks = this.hooks;\n const { type, initial } = hooks[hookName];\n if (type === HOOK_TYPE.SINGLE) {\n this.off(hookName);\n this.on(hookName, isFunction(callback) ? callback : callback[callback.length - 1]);\n }\n else {\n initial && this.off(hookName, initial);\n this.tapOneOrMany(hookName, callback);\n }\n }\n call(hookName, ...rest) {\n var _a;\n const hook = this.hooks[hookName];\n if (!hook)\n return;\n const { type } = hook;\n const calls = this.callbacks;\n if (!calls)\n return;\n const list = calls[hookName];\n if (list) {\n const tail = list.tail;\n let node = list.next;\n let args = rest;\n let res;\n while (node !== tail) {\n res = (_a = node.callback) === null || _a === void 0 ? void 0 : _a.apply(node.context || this, args);\n if (type === HOOK_TYPE.WATERFALL) {\n const params = [res];\n args = params;\n }\n node = node.next;\n }\n return res;\n }\n }\n isExist(hookName) {\n var _a;\n return Boolean((_a = this.callbacks) === null || _a === void 0 ? void 0 : _a[hookName]);\n }\n}\nconst hooks = new TaroHooks({\n getMiniLifecycle: TaroHook(HOOK_TYPE.SINGLE, defaultConfig => defaultConfig),\n getMiniLifecycleImpl: TaroHook(HOOK_TYPE.SINGLE, function () {\n return this.call('getMiniLifecycle', defaultMiniLifecycle);\n }),\n getLifecycle: TaroHook(HOOK_TYPE.SINGLE, (instance, lifecycle) => instance[lifecycle]),\n getPathIndex: TaroHook(HOOK_TYPE.SINGLE, indexOfNode => `[${indexOfNode}]`),\n getEventCenter: TaroHook(HOOK_TYPE.SINGLE, Events => new Events()),\n isBubbleEvents: TaroHook(HOOK_TYPE.SINGLE, eventName => {\n /**\n * 支持冒泡的事件, 除 支付宝小程序外,其余的可冒泡事件都和微信保持一致\n * 详见 见 https://developers.weixin.qq.com/miniprogram/dev/framework/view/wxml/event.html\n */\n const BUBBLE_EVENTS = new Set([\n 'touchstart',\n 'touchmove',\n 'touchcancel',\n 'touchend',\n 'touchforcechange',\n 'tap',\n 'longpress',\n 'longtap',\n 'transitionend',\n 'animationstart',\n 'animationiteration',\n 'animationend'\n ]);\n return BUBBLE_EVENTS.has(eventName);\n }),\n getSpecialNodes: TaroHook(HOOK_TYPE.SINGLE, () => ['view', 'text', 'image']),\n onRemoveAttribute: TaroHook(HOOK_TYPE.SINGLE),\n batchedEventUpdates: TaroHook(HOOK_TYPE.SINGLE),\n mergePageInstance: TaroHook(HOOK_TYPE.SINGLE),\n modifyPageObject: TaroHook(HOOK_TYPE.SINGLE),\n createPullDownComponent: TaroHook(HOOK_TYPE.SINGLE),\n getDOMNode: TaroHook(HOOK_TYPE.SINGLE),\n modifyHydrateData: TaroHook(HOOK_TYPE.SINGLE),\n modifySetAttrPayload: TaroHook(HOOK_TYPE.SINGLE),\n modifyRmAttrPayload: TaroHook(HOOK_TYPE.SINGLE),\n onAddEvent: TaroHook(HOOK_TYPE.SINGLE),\n modifyMpEvent: TaroHook(HOOK_TYPE.MULTI),\n modifyMpEventImpl: TaroHook(HOOK_TYPE.SINGLE, function (e) {\n try {\n // 有些小程序的事件对象的某些属性只读\n this.call('modifyMpEvent', e);\n }\n catch (error) {\n console.warn('[Taro modifyMpEvent hook Error]: ' + (error === null || error === void 0 ? void 0 : error.message));\n }\n }),\n injectNewStyleProperties: TaroHook(HOOK_TYPE.SINGLE),\n modifyTaroEvent: TaroHook(HOOK_TYPE.MULTI),\n dispatchTaroEvent: TaroHook(HOOK_TYPE.SINGLE, (e, node) => {\n node.dispatchEvent(e);\n }),\n dispatchTaroEventFinish: TaroHook(HOOK_TYPE.MULTI),\n modifyDispatchEvent: TaroHook(HOOK_TYPE.MULTI),\n initNativeApi: TaroHook(HOOK_TYPE.MULTI),\n patchElement: TaroHook(HOOK_TYPE.MULTI)\n});\n\nconst EMPTY_OBJ = {};\nconst EMPTY_ARR = [];\nconst noop = (..._) => { };\n/**\n * box creates a boxed value.\n *\n * @typeparam T Value type.\n * @param v Value.\n * @returns Boxed value.\n */\nconst box = (v) => ({ v });\n/**\n * box creates a boxed value.\n *\n * @typeparam T Value type.\n * @param b Boxed value.\n * @returns Value.\n */\nconst unbox = (b) => b.v;\nfunction toDashed(s) {\n return s.replace(/([a-z0-9])([A-Z])/g, '$1-$2').toLowerCase();\n}\nfunction toCamelCase(s) {\n let camel = '';\n let nextCap = false;\n for (let i = 0; i < s.length; i++) {\n if (s[i] !== '-') {\n camel += nextCap ? s[i].toUpperCase() : s[i];\n nextCap = false;\n }\n else {\n nextCap = true;\n }\n }\n return camel;\n}\nconst toKebabCase = function (string) {\n return string.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();\n};\nfunction capitalize(s) {\n return s.charAt(0).toUpperCase() + s.slice(1);\n}\nconst hasOwnProperty = Object.prototype.hasOwnProperty;\nconst hasOwn = (val, key) => hasOwnProperty.call(val, key);\n/**\n * ensure takes a condition and throw a error if the condition fails,\n * like failure::ensure: https://docs.rs/failure/0.1.1/failure/macro.ensure.html\n * @param condition condition.\n * @param msg error message.\n */\nfunction ensure(condition, msg) {\n if (!condition) {\n if (process.env.NODE_ENV !== 'production') {\n const reportIssue = '\\n如有疑问,请提交 issue 至:https://github.com/nervjs/taro/issues';\n throw new Error(msg + reportIssue);\n }\n else {\n throw new Error(msg);\n }\n }\n}\nfunction warn(condition, msg) {\n if (process.env.NODE_ENV !== 'production') {\n if (condition) {\n console.warn(`[taro warn] ${msg}`);\n }\n }\n}\nfunction queryToJson(str) {\n const dec = decodeURIComponent;\n const qp = str.split('&');\n const ret = {};\n let name;\n let val;\n for (let i = 0, l = qp.length, item; i < l; ++i) {\n item = qp[i];\n if (item.length) {\n const s = item.indexOf('=');\n if (s < 0) {\n name = dec(item);\n val = '';\n }\n else {\n name = dec(item.slice(0, s));\n val = dec(item.slice(s + 1));\n }\n if (typeof ret[name] === 'string') { // inline'd type check\n ret[name] = [ret[name]];\n }\n if (Array.isArray(ret[name])) {\n ret[name].push(val);\n }\n else {\n ret[name] = val;\n }\n }\n }\n return ret; // Object\n}\nlet _uniqueId = 1;\nconst _loadTime = (new Date()).getTime().toString();\nfunction getUniqueKey() {\n return _loadTime + (_uniqueId++);\n}\nconst cacheData = {};\nfunction cacheDataSet(key, val) {\n cacheData[key] = val;\n}\nfunction cacheDataGet(key, delelteAfterGet) {\n const temp = cacheData[key];\n delelteAfterGet && delete cacheData[key];\n return temp;\n}\nfunction cacheDataHas(key) {\n return key in cacheData;\n}\nfunction mergeInternalComponents(components) {\n Object.keys(components).forEach(name => {\n if (name in internalComponents) {\n Object.assign(internalComponents[name], components[name]);\n }\n else {\n internalComponents[name] = components[name];\n }\n });\n return internalComponents;\n}\nfunction getComponentsAlias(origin) {\n const mapping = {};\n const viewAttrs = origin.View;\n const extraList = {\n '#text': {},\n StaticView: viewAttrs,\n StaticImage: origin.Image,\n StaticText: origin.Text,\n PureView: viewAttrs,\n CatchView: viewAttrs\n };\n origin = Object.assign(Object.assign({}, origin), extraList);\n Object.keys(origin)\n .sort((a, b) => {\n const reg = /^(Static|Pure|Catch)*(View|Image|Text)$/;\n const isACommonly = reg.test(a);\n const isBCommonly = reg.test(b);\n if (isACommonly && isBCommonly) {\n return a > b ? 1 : -1;\n }\n else if (isACommonly) {\n return -1;\n }\n else if (isBCommonly) {\n return 1;\n }\n else {\n return a >= b ? 1 : -1;\n }\n })\n .forEach((key, num) => {\n const obj = {\n _num: String(num)\n };\n Object.keys(origin[key])\n .filter(attr => !(/^bind/.test(attr)) && !['focus', 'blur'].includes(attr))\n .sort()\n .forEach((attr, index) => {\n obj[toCamelCase(attr)] = 'p' + index;\n });\n mapping[toDashed(key)] = obj;\n });\n return mapping;\n}\nfunction getPlatformType(platform = 'weapp', configNameOrType = PLATFORM_TYPE.MINI) {\n if (Object.keys(PLATFORM_CONFIG_MAP).includes(platform)) {\n configNameOrType = platform;\n }\n const param = PLATFORM_CONFIG_MAP[configNameOrType] || {};\n return param.type || configNameOrType;\n}\nfunction mergeReconciler(hostConfig, hooksForTest) {\n const obj = hooksForTest || hooks;\n const keys = Object.keys(hostConfig);\n keys.forEach(key => {\n obj.tap(key, hostConfig[key]);\n });\n}\nfunction nonsupport(api) {\n return function () {\n console.warn(`小程序暂不支持 ${api}`);\n };\n}\nfunction setUniqueKeyToRoute(key, obj) {\n const routerParamsPrivateKey = '__key_';\n const useDataCacheApis = [\n 'navigateTo',\n 'redirectTo',\n 'reLaunch',\n 'switchTab'\n ];\n if (useDataCacheApis.indexOf(key) > -1) {\n const url = obj.url = obj.url || '';\n const hasMark = url.indexOf('?') > -1;\n const cacheKey = getUniqueKey();\n obj.url += (hasMark ? '&' : '?') + `${routerParamsPrivateKey}=${cacheKey}`;\n }\n}\nfunction indent(str, size) {\n return str.split('\\n')\n .map((line, index) => {\n const indent = index === 0 ? '' : Array(size).fill(' ').join('');\n return indent + line;\n })\n .join('\\n');\n}\n\nconst needPromiseApis = new Set([\n 'addPhoneContact',\n 'authorize',\n 'canvasGetImageData',\n 'canvasPutImageData',\n 'canvasToTempFilePath',\n 'checkSession',\n 'chooseAddress',\n 'chooseImage',\n 'chooseInvoiceTitle',\n 'chooseLocation',\n 'chooseVideo',\n 'clearStorage',\n 'closeBLEConnection',\n 'closeBluetoothAdapter',\n 'closeSocket',\n 'compressImage',\n 'connectSocket',\n 'createBLEConnection',\n 'downloadFile',\n 'exitMiniProgram',\n 'getAvailableAudioSources',\n 'getBLEDeviceCharacteristics',\n 'getBLEDeviceServices',\n 'getBatteryInfo',\n 'getBeacons',\n 'getBluetoothAdapterState',\n 'getBluetoothDevices',\n 'getClipboardData',\n 'getConnectedBluetoothDevices',\n 'getConnectedWifi',\n 'getExtConfig',\n 'getFileInfo',\n 'getImageInfo',\n 'getLocation',\n 'getNetworkType',\n 'getSavedFileInfo',\n 'getSavedFileList',\n 'getScreenBrightness',\n 'getSetting',\n 'getStorage',\n 'getStorageInfo',\n 'getSystemInfo',\n 'getUserInfo',\n 'getWifiList',\n 'hideHomeButton',\n 'hideShareMenu',\n 'hideTabBar',\n 'hideTabBarRedDot',\n 'loadFontFace',\n 'login',\n 'makePhoneCall',\n 'navigateBack',\n 'navigateBackMiniProgram',\n 'navigateTo',\n 'navigateToBookshelf',\n 'navigateToMiniProgram',\n 'notifyBLECharacteristicValueChange',\n 'hideKeyboard',\n 'hideLoading',\n 'hideNavigationBarLoading',\n 'hideToast',\n 'openBluetoothAdapter',\n 'openDocument',\n 'openLocation',\n 'openSetting',\n 'pageScrollTo',\n 'previewImage',\n 'queryBookshelf',\n 'reLaunch',\n 'readBLECharacteristicValue',\n 'redirectTo',\n 'removeSavedFile',\n 'removeStorage',\n 'removeTabBarBadge',\n 'requestSubscribeMessage',\n 'saveFile',\n 'saveImageToPhotosAlbum',\n 'saveVideoToPhotosAlbum',\n 'scanCode',\n 'sendSocketMessage',\n 'setBackgroundColor',\n 'setBackgroundTextStyle',\n 'setClipboardData',\n 'setEnableDebug',\n 'setInnerAudioOption',\n 'setKeepScreenOn',\n 'setNavigationBarColor',\n 'setNavigationBarTitle',\n 'setScreenBrightness',\n 'setStorage',\n 'setTabBarBadge',\n 'setTabBarItem',\n 'setTabBarStyle',\n 'showActionSheet',\n 'showFavoriteGuide',\n 'showLoading',\n 'showModal',\n 'showShareMenu',\n 'showTabBar',\n 'showTabBarRedDot',\n 'showToast',\n 'startBeaconDiscovery',\n 'startBluetoothDevicesDiscovery',\n 'startDeviceMotionListening',\n 'startPullDownRefresh',\n 'stopBeaconDiscovery',\n 'stopBluetoothDevicesDiscovery',\n 'stopCompass',\n 'startCompass',\n 'startAccelerometer',\n 'stopAccelerometer',\n 'showNavigationBarLoading',\n 'stopDeviceMotionListening',\n 'stopPullDownRefresh',\n 'switchTab',\n 'uploadFile',\n 'vibrateLong',\n 'vibrateShort',\n 'writeBLECharacteristicValue'\n]);\nfunction getCanIUseWebp(taro) {\n return function () {\n var _a;\n const res = (_a = taro.getSystemInfoSync) === null || _a === void 0 ? void 0 : _a.call(taro);\n if (!res) {\n if (process.env.NODE_ENV !== 'production') {\n console.error('不支持 API canIUseWebp');\n }\n return false;\n }\n const { platform } = res;\n const platformLower = platform.toLowerCase();\n if (platformLower === 'android' || platformLower === 'devtools') {\n return true;\n }\n return false;\n };\n}\nfunction getNormalRequest(global) {\n return function request(options) {\n options = options\n ? (isString(options)\n ? { url: options }\n : options)\n : {};\n const originSuccess = options.success;\n const originFail = options.fail;\n const originComplete = options.complete;\n let requestTask;\n const p = new Promise((resolve, reject) => {\n options.success = res => {\n originSuccess && originSuccess(res);\n resolve(res);\n };\n options.fail = res => {\n originFail && originFail(res);\n reject(res);\n };\n options.complete = res => {\n originComplete && originComplete(res);\n };\n requestTask = global.request(options);\n });\n equipTaskMethodsIntoPromise(requestTask, p);\n p.abort = (cb) => {\n cb && cb();\n if (requestTask) {\n requestTask.abort();\n }\n return p;\n };\n return p;\n };\n}\nfunction processApis(taro, global, config = {}) {\n const patchNeedPromiseApis = config.needPromiseApis || [];\n const _needPromiseApis = new Set([...patchNeedPromiseApis, ...needPromiseApis]);\n const preserved = [\n 'getEnv',\n 'interceptors',\n 'Current',\n 'getCurrentInstance',\n 'options',\n 'nextTick',\n 'eventCenter',\n 'Events',\n 'preload',\n 'webpackJsonp'\n ];\n const apis = new Set(!config.isOnlyPromisify\n ? Object.keys(global).filter(api => preserved.indexOf(api) === -1)\n : patchNeedPromiseApis);\n if (config.modifyApis) {\n config.modifyApis(apis);\n }\n apis.forEach(key => {\n if (_needPromiseApis.has(key)) {\n const originKey = key;\n taro[originKey] = (options = {}, ...args) => {\n let key = originKey;\n // 第一个参数 options 为字符串,单独处理\n if (typeof options === 'string') {\n if (args.length) {\n return global[key](options, ...args);\n }\n return global[key](options);\n }\n // 改变 key 或 option 字段,如需要把支付宝标准的字段对齐微信标准的字段\n if (config.transformMeta) {\n const transformResult = config.transformMeta(key, options);\n key = transformResult.key;\n options = transformResult.options;\n // 新 key 可能不存在\n if (!global.hasOwnProperty(key)) {\n return nonsupport(key)();\n }\n }\n let task = null;\n const obj = Object.assign({}, options);\n // 为页面跳转相关的 API 设置一个随机数作为路由参数。为了给 runtime 区分页面。\n setUniqueKeyToRoute(key, options);\n // Promise 化\n const p = new Promise((resolve, reject) => {\n obj.success = res => {\n var _a, _b;\n (_a = config.modifyAsyncResult) === null || _a === void 0 ? void 0 : _a.call(config, key, res);\n (_b = options.success) === null || _b === void 0 ? void 0 : _b.call(options, res);\n if (key === 'connectSocket') {\n resolve(Promise.resolve().then(() => task ? Object.assign(task, res) : res));\n }\n else {\n resolve(res);\n }\n };\n obj.fail = res => {\n var _a;\n (_a = options.fail) === null || _a === void 0 ? void 0 : _a.call(options, res);\n reject(res);\n };\n obj.complete = res => {\n var _a;\n (_a = options.complete) === null || _a === void 0 ? void 0 : _a.call(options, res);\n };\n if (args.length) {\n task = global[key](obj, ...args);\n }\n else {\n task = global[key](obj);\n }\n });\n // 给 promise 对象挂载属性\n if (['uploadFile', 'downloadFile'].includes(key)) {\n equipTaskMethodsIntoPromise(task, p);\n p.progress = cb => {\n task === null || task === void 0 ? void 0 : task.onProgressUpdate(cb);\n return p;\n };\n p.abort = cb => {\n cb === null || cb === void 0 ? void 0 : cb();\n task === null || task === void 0 ? void 0 : task.abort();\n return p;\n };\n }\n return p;\n };\n }\n else {\n let platformKey = key;\n // 改变 key 或 option 字段,如需要把支付宝标准的字段对齐微信标准的字段\n if (config.transformMeta) {\n platformKey = config.transformMeta(key, {}).key;\n }\n // API 不存在\n if (!global.hasOwnProperty(platformKey)) {\n taro[key] = nonsupport(key);\n return;\n }\n if (isFunction(global[key])) {\n taro[key] = (...args) => {\n if (config.handleSyncApis) {\n return config.handleSyncApis(key, global, args);\n }\n else {\n return global[platformKey].apply(global, args);\n }\n };\n }\n else {\n taro[key] = global[platformKey];\n }\n }\n });\n !config.isOnlyPromisify && equipCommonApis(taro, global, config);\n}\n/**\n * 挂载常用 API\n * @param taro Taro 对象\n * @param global 小程序全局对象,如微信的 wx,支付宝的 my\n */\nfunction equipCommonApis(taro, global, apis = {}) {\n taro.canIUseWebp = getCanIUseWebp(taro);\n taro.getCurrentPages = getCurrentPages || nonsupport('getCurrentPages');\n taro.getApp = getApp || nonsupport('getApp');\n taro.env = global.env || {};\n try {\n taro.requirePlugin = requirePlugin || nonsupport('requirePlugin');\n }\n catch (error) {\n taro.requirePlugin = nonsupport('requirePlugin');\n }\n // request & interceptors\n const request = apis.request || getNormalRequest(global);\n function taroInterceptor(chain) {\n return request(chain.requestParams);\n }\n const link = new taro.Link(taroInterceptor);\n taro.request = link.request.bind(link);\n taro.addInterceptor = link.addInterceptor.bind(link);\n taro.cleanInterceptors = link.cleanInterceptors.bind(link);\n taro.miniGlobal = taro.options.miniGlobal = global;\n taro.getAppInfo = function () {\n return {\n platform: process.env.TARO_PLATFORM || 'MiniProgram',\n taroVersion: process.env.TARO_VERSION || 'unknown',\n designWidth: taro.config.designWidth\n };\n };\n}\n/**\n * 将Task对象中的方法挂载到promise对象中,适配小程序api原生返回结果\n * @param task Task对象 {RequestTask | DownloadTask | UploadTask}\n * @param promise Promise\n */\nfunction equipTaskMethodsIntoPromise(task, promise) {\n if (!task || !promise)\n return;\n const taskMethods = ['abort', 'onHeadersReceived', 'offHeadersReceived', 'onProgressUpdate', 'offProgressUpdate', 'onChunkReceived', 'offChunkReceived'];\n task && taskMethods.forEach(method => {\n if (method in task) {\n promise[method] = task[method].bind(task);\n }\n });\n}\n\nexport { EMPTY_ARR, EMPTY_OBJ, Events, HOOK_TYPE, PLATFORM_CONFIG_MAP, PLATFORM_TYPE, TaroHook, TaroHooks, animation, box, cacheDataGet, cacheDataHas, cacheDataSet, capitalize, controlledComponent, ensure, focusComponents, getComponentsAlias, getPlatformType, getUniqueKey, hasOwn, hooks, indent, internalComponents, isArray, isBoolean, isBooleanStringLiteral, isFunction, isNull, isNumber, isObject, isString, isUndefined, isWebPlatform, mergeInternalComponents, mergeReconciler, nestElements, nonsupport, noop, processApis, queryToJson, setUniqueKeyToRoute, singleQuote, toCamelCase, toDashed, toKebabCase, touchEvents, unbox, voidElements, warn };\n//# sourceMappingURL=shared.esm.js.map\n","import { isWebPlatform } from '@tarojs/shared'\n\nexport const ENV_TYPE = {\n WEAPP: 'WEAPP',\n SWAN: 'SWAN',\n ALIPAY: 'ALIPAY',\n TT: 'TT',\n QQ: 'QQ',\n JD: 'JD',\n WEB: 'WEB',\n RN: 'RN',\n HARMONY: 'HARMONY',\n QUICKAPP: 'QUICKAPP'\n}\n\nconst isWeb = isWebPlatform()\n\nexport function getEnv () {\n if (process.env.TARO_ENV === 'weapp') {\n return ENV_TYPE.WEAPP\n } else if (process.env.TARO_ENV === 'alipay') {\n return ENV_TYPE.ALIPAY\n } else if (process.env.TARO_ENV === 'swan') {\n return ENV_TYPE.SWAN\n } else if (process.env.TARO_ENV === 'tt') {\n return ENV_TYPE.TT\n } else if (process.env.TARO_ENV === 'jd') {\n return ENV_TYPE.JD\n } else if (process.env.TARO_ENV === 'qq') {\n return ENV_TYPE.QQ\n } else if (isWeb) {\n return ENV_TYPE.WEB\n } else if (process.env.TARO_ENV === 'rn') {\n return ENV_TYPE.RN\n } else if (process.env.TARO_ENV === 'harmony') {\n return ENV_TYPE.HARMONY\n } else if (process.env.TARO_ENV === 'quickapp') {\n return ENV_TYPE.QUICKAPP\n } else {\n return process.env.TARO_ENV || 'Unknown'\n }\n}\n","import { isFunction } from '../utils'\n\nexport default class Chain {\n constructor (requestParams, interceptors, index) {\n this.index = index || 0\n this.requestParams = requestParams\n this.interceptors = interceptors || []\n }\n\n proceed (requestParams) {\n this.requestParams = requestParams\n if (this.index >= this.interceptors.length) {\n throw new Error('chain 参数错误, 请勿直接修改 request.chain')\n }\n const nextInterceptor = this._getNextInterceptor()\n const nextChain = this._getNextChain()\n const p = nextInterceptor(nextChain)\n const res = p.catch(err => Promise.reject(err))\n Object.keys(p).forEach(k => isFunction(p[k]) && (res[k] = p[k]))\n return res\n }\n\n _getNextInterceptor () {\n return this.interceptors[this.index]\n }\n\n _getNextChain () {\n return new Chain(this.requestParams, this.interceptors, this.index + 1)\n }\n}\n","import Chain from './chain'\n\nexport default class Link {\n constructor (interceptor) {\n this.taroInterceptor = interceptor\n this.chain = new Chain()\n }\n\n request (requestParams) {\n const chain = this.chain\n const taroInterceptor = this.taroInterceptor\n\n chain.interceptors = chain.interceptors\n .filter(interceptor => interceptor !== taroInterceptor)\n .concat(taroInterceptor)\n\n return chain.proceed({ ...requestParams })\n }\n\n addInterceptor (interceptor) {\n this.chain.interceptors.push(interceptor)\n }\n\n cleanInterceptors () {\n this.chain = new Chain()\n }\n}\n\nexport function interceptorify (promiseifyApi) {\n return new Link(function (chain) {\n return promiseifyApi(chain.requestParams)\n })\n}\n","import { isFunction, isUndefined } from '../utils'\n\nexport function timeoutInterceptor (chain) {\n const requestParams = chain.requestParams\n let p\n const res = new Promise((resolve, reject) => {\n let timeout = setTimeout(() => {\n timeout = null\n reject(new Error('网络链接超时,请稍后再试!'))\n }, (requestParams && requestParams.timeout) || 60000)\n\n p = chain.proceed(requestParams)\n p\n .then(res => {\n if (!timeout) return\n clearTimeout(timeout)\n resolve(res)\n })\n .catch(err => {\n timeout && clearTimeout(timeout)\n reject(err)\n })\n })\n if (!isUndefined(p) && isFunction(p.abort)) res.abort = p.abort\n\n return res\n}\n\nexport function logInterceptor (chain) {\n const requestParams = chain.requestParams\n const { method, data, url } = requestParams\n\n // eslint-disable-next-line no-console\n console.log(`http ${method || 'GET'} --> ${url} data: `, data)\n\n const p = chain.proceed(requestParams)\n const res = p\n .then(res => {\n // eslint-disable-next-line no-console\n console.log(`http <-- ${url} result:`, res)\n return res\n })\n if (isFunction(p.abort)) res.abort = p.abort\n\n return res\n}\n","import { isFunction, isObject } from './utils'\n\nexport function Behavior (options) {\n return options\n}\n\nexport function getPreload (current) {\n return function (key, val) {\n current.preloadData = isObject(key)\n ? key\n : {\n [key]: val\n }\n }\n}\n\nconst defaultDesignWidth = 750\nconst defaultDesignRatio = {\n 640: 2.34 / 2,\n 750: 1,\n 828: 1.81 / 2\n}\nconst defaultBaseFontSize = 20\nconst defaultUnitPrecision = 5\nconst defaultTargetUnit = 'rpx'\n\nexport function getInitPxTransform (taro) {\n return function (config) {\n const {\n designWidth = defaultDesignWidth,\n deviceRatio = defaultDesignRatio,\n baseFontSize = defaultBaseFontSize,\n targetUnit = defaultTargetUnit,\n unitPrecision = defaultUnitPrecision,\n } = config\n taro.config = taro.config || {}\n taro.config.designWidth = designWidth\n taro.config.deviceRatio = deviceRatio\n taro.config.baseFontSize = baseFontSize\n taro.config.targetUnit = targetUnit\n taro.config.unitPrecision = unitPrecision\n }\n}\n\nexport function getPxTransform (taro) {\n return function (size) {\n const config = taro.config || {}\n const deviceRatio = config.deviceRatio || defaultDesignRatio\n const baseFontSize = config.baseFontSize\n const designWidth = (((input = 0) => isFunction(config.designWidth)\n ? config.designWidth(input)\n : config.designWidth || defaultDesignWidth))(size)\n if (!(designWidth in deviceRatio)) {\n throw new Error(`deviceRatio 配置中不存在 ${designWidth} 的设置!`)\n }\n const formatSize = ~~size\n let rootValue = 1 / config.deviceRatio[designWidth]\n switch (config.targetUnit) {\n case 'rem':\n rootValue *= baseFontSize * 2\n break\n case 'px':\n rootValue *= 2\n break\n }\n let val = formatSize / rootValue\n if (config.unitPrecision >= 0 && config.unitPrecision <= 100) {\n val = Number(val.toFixed(config.unitPrecision))\n }\n return val + config.targetUnit\n }\n}\n","/* eslint-disable camelcase */\nimport './polyfill'\n\nimport {\n Current,\n eventCenter,\n Events,\n getCurrentInstance,\n nextTick,\n options\n} from '@tarojs/runtime'\n\nimport { ENV_TYPE, getEnv } from './env'\nimport Link, { interceptorify } from './interceptor'\nimport * as interceptors from './interceptor/interceptors'\nimport {\n Behavior,\n getInitPxTransform,\n getPreload,\n getPxTransform,\n} from './tools'\n\nconst Taro = {\n Behavior,\n getEnv,\n ENV_TYPE,\n Link,\n interceptors,\n Current,\n getCurrentInstance,\n options,\n nextTick,\n eventCenter,\n Events,\n getInitPxTransform,\n interceptorify\n}\n\nTaro.initPxTransform = getInitPxTransform(Taro)\nTaro.preload = getPreload(Current)\nTaro.pxTransform = getPxTransform(Taro)\n\nexport default Taro\n","export const View = 'view'\nexport const Icon = 'icon'\nexport const Progress = 'progress'\nexport const RichText = 'rich-text'\nexport const Text = 'text'\nexport const Button = 'button'\nexport const Checkbox = 'checkbox'\nexport const CheckboxGroup = 'checkbox-group'\nexport const Form = 'form'\nexport const Input = 'input'\nexport const Label = 'label'\nexport const Picker = 'picker'\nexport const PickerView = 'picker-view'\nexport const PickerViewColumn = 'picker-view-column'\nexport const Radio = 'radio'\nexport const RadioGroup = 'radio-group'\nexport const Slider = 'slider'\nexport const Switch = 'switch'\nexport const CoverImage = 'cover-image'\nexport const Textarea = 'textarea'\nexport const CoverView = 'cover-view'\nexport const MovableArea = 'movable-area'\nexport const MovableView = 'movable-view'\nexport const ScrollView = 'scroll-view'\nexport const Swiper = 'swiper'\nexport const SwiperItem = 'swiper-item'\nexport const Navigator = 'navigator'\nexport const Audio = 'audio'\nexport const Camera = 'camera'\nexport const Image = 'image'\nexport const LivePlayer = 'live-player'\nexport const Video = 'video'\nexport const Canvas = 'canvas'\nexport const Ad = 'ad'\nexport const WebView = 'web-view'\nexport const Block = 'block'\nexport const Map = 'map'\nexport const Slot = 'slot'\nexport const NativeSlot = 'native-slot'\nexport const CustomWrapper = 'custom-wrapper'\n",null,"import { EMPTY_OBJ } from '@tarojs/shared'\n\nimport type * as React from 'react'\n\ninterface ReactMeta {\n PageContext: React.Context<string>\n R: typeof React\n}\n\nexport const reactMeta: ReactMeta = {\n PageContext: EMPTY_OBJ,\n R: EMPTY_OBJ\n}\n","import { Current } from '@tarojs/runtime'\nimport { isArray, isFunction } from '@tarojs/shared'\n\nimport type * as React from 'react'\n\nexport const HOOKS_APP_ID = 'taro-app'\n\nexport function isClassComponent (R: typeof React, component): boolean {\n const prototype = component.prototype\n\n // For React Redux\n if (component.displayName?.includes('Connect')) return false\n\n return (\n isFunction(component.render) ||\n !!prototype?.isReactComponent ||\n prototype instanceof R.Component // compat for some others react-like library\n )\n}\n\nexport function ensureIsArray<T> (item: T | T[]): T[] {\n if (isArray(item)) {\n return item\n } else {\n return item ? [item] : []\n }\n}\n\n/**\n * set writable, enumerable to true\n */\nexport function setDefaultDescriptor (obj: Record<string, any>) {\n obj.writable = true\n obj.enumerable = true\n return obj\n}\n\n/**\n * 设置入口的路由参数\n * @param options 小程序传入的参数\n */\nexport function setRouterParams (options) {\n Current.router = {\n params: options?.query,\n ...options\n }\n}\n","import {\n AppInstance, Current,\n Func, getPageInstance,\n injectPageInstance,\n Instance,\n PageLifeCycle,\n PageProps\n} from '@tarojs/runtime'\nimport { isArray, isFunction } from '@tarojs/shared'\n\nimport { reactMeta } from './react-meta'\nimport { HOOKS_APP_ID } from './utils'\n\nconst createTaroHook = (lifecycle: keyof PageLifeCycle | keyof AppInstance) => {\n return (fn: Func) => {\n const { R: React, PageContext } = reactMeta\n const id = React.useContext(PageContext) || HOOKS_APP_ID\n const instRef = React.useRef<Instance<PageProps>>()\n\n // hold fn ref and keep up to date\n const fnRef = React.useRef(fn)\n if (fnRef.current !== fn) fnRef.current = fn\n\n React.useLayoutEffect(() => {\n let inst = instRef.current = getPageInstance(id)\n let first = false\n if (!inst) {\n first = true\n instRef.current = Object.create(null)\n inst = instRef.current!\n }\n\n // callback is immutable but inner function is up to date\n const callback = (...args: any) => fnRef.current(...args)\n\n if (isFunction(inst[lifecycle])) {\n (inst[lifecycle]) = [inst[lifecycle], callback]\n } else {\n (inst[lifecycle]) = [\n ...((inst[lifecycle]) || []),\n callback\n ]\n }\n\n if (first) {\n injectPageInstance(inst!, id)\n }\n return () => {\n const inst = instRef.current\n if (!inst) return\n const list = inst![lifecycle]\n if (list === callback) {\n (inst[lifecycle]) = undefined\n } else if (isArray(list)) {\n (inst[lifecycle]) = list.filter(item => item !== callback)\n }\n instRef.current = undefined\n }\n }, [])\n }\n}\n\n/** LifeCycle */\nexport const useDidHide = createTaroHook('componentDidHide')\nexport const useDidShow = createTaroHook('componentDidShow')\n\n/** App */\nexport const useError = createTaroHook('onError')\nexport const useUnhandledRejection = createTaroHook('onUnhandledRejection')\nexport const useLaunch = createTaroHook('onLaunch')\nexport const usePageNotFound = createTaroHook('onPageNotFound')\n\n/** Page */\nexport const useLoad = createTaroHook('onLoad')\nexport const usePageScroll = createTaroHook('onPageScroll')\nexport const usePullDownRefresh = createTaroHook('onPullDownRefresh')\nexport const usePullIntercept = createTaroHook('onPullIntercept')\nexport const useReachBottom = createTaroHook('onReachBottom')\nexport const useResize = createTaroHook('onResize')\nexport const useUnload = createTaroHook('onUnload')\n\n/** Mini-Program */\nexport const useAddToFavorites = createTaroHook('onAddToFavorites')\nexport const useOptionMenuClick = createTaroHook('onOptionMenuClick')\nexport const useSaveExitState = createTaroHook('onSaveExitState')\nexport const useShareAppMessage = createTaroHook('onShareAppMessage')\nexport const useShareTimeline = createTaroHook('onShareTimeline')\nexport const useTitleClick = createTaroHook('onTitleClick')\n\n/** Router */\nexport const useReady = createTaroHook('onReady')\nexport const useRouter = (dynamic = false) => {\n const React = reactMeta.R\n return dynamic ? Current.router : React.useMemo(() => Current.router, [])\n}\nexport const useTabItemTap = createTaroHook('onTabItemTap')\n\nexport const useScope = () => undefined\n","import {\n AppInstance, Current, document, getPageInstance,\n incrementId, injectPageInstance, Instance,\n PageLifeCycle, PageProps,\n ReactAppInstance, ReactPageComponent\n} from '@tarojs/runtime'\nimport { EMPTY_OBJ, ensure, hooks, isWebPlatform } from '@tarojs/shared'\n\nimport { reactMeta } from './react-meta'\nimport { ensureIsArray, HOOKS_APP_ID, isClassComponent, setDefaultDescriptor, setRouterParams } from './utils'\n\nimport type { AppConfig } from '@tarojs/taro'\nimport type * as React from 'react'\n\ntype PageComponent = React.CElement<PageProps, React.Component<PageProps, any, any>>\n\nlet h: typeof React.createElement\nlet ReactDOM\nlet Fragment: typeof React.Fragment\n\nconst pageKeyId = incrementId()\nconst isWeb = isWebPlatform()\n\nexport function setReconciler (ReactDOM) {\n hooks.tap('getLifecycle', function (instance, lifecycle: string) {\n lifecycle = lifecycle.replace(/^on(Show|Hide)$/, 'componentDid$1')\n return instance[lifecycle]\n })\n\n hooks.tap('modifyMpEvent', function (event) {\n // Note: ohos 上事件没有设置 type 类型 setter 方法导致报错\n Object.defineProperty(event, 'type', {\n value: event.type.replace(/-/g, '')\n })\n })\n\n hooks.tap('batchedEventUpdates', function (cb) {\n ReactDOM.unstable_batchedUpdates(cb)\n })\n\n hooks.tap('mergePageInstance', function (prev, next) {\n if (!prev || !next) return\n\n // 子组件使用 lifecycle hooks 注册了生命周期后,会存在 prev,里面是注册的生命周期回调。\n\n // prev 使用 Object.create(null) 创建,H5 的 fast-refresh 可能也会导致存在 prev,要排除这些意外产生的 prev\n if ('constructor' in prev) return\n\n Object.keys(prev).forEach(item => {\n const prevList = prev[item]\n const nextList = ensureIsArray<() => any>(next[item])\n next[item] = nextList.concat(prevList)\n })\n })\n\n if (isWeb) {\n hooks.tap('createPullDownComponent', (\n el: React.FunctionComponent<PageProps> | React.ComponentClass<PageProps>,\n _,\n R: typeof React,\n customWrapper\n ) => {\n const isReactComponent = isClassComponent(R, el)\n\n return R.forwardRef((props, ref) => {\n const newProps: React.ComponentProps<any> = { ...props }\n const refs = isReactComponent ? { ref: ref } : {\n forwardedRef: ref,\n // 兼容 react-redux 7.20.1+\n reactReduxForwardedRef: ref\n }\n\n return h(\n customWrapper || 'taro-pull-to-refresh',\n null,\n h(el, {\n ...newProps,\n ...refs\n })\n )\n })\n })\n\n hooks.tap('getDOMNode', inst => {\n return ReactDOM.findDOMNode(inst)\n })\n }\n}\n\nexport function connectReactPage (\n R: typeof React,\n id: string\n) {\n return (Page: ReactPageComponent): React.ComponentClass<PageProps> => {\n // eslint-disable-next-line dot-notation\n const isReactComponent = isClassComponent(R, Page)\n const inject = (node?: Instance) => node && injectPageInstance(node, id)\n const refs = isReactComponent ? { ref: inject } : {\n forwardedRef: inject,\n // 兼容 react-redux 7.20.1+\n reactReduxForwardedRef: inject\n }\n\n if (reactMeta.PageContext === EMPTY_OBJ) {\n reactMeta.PageContext = R.createContext('')\n }\n\n return class PageWrapper extends R.Component<PageProps, { hasError: boolean }> {\n state = {\n hasError: false\n }\n\n static getDerivedStateFromError (error: Error) {\n Current.app?.onError?.(error.message + error.stack)\n return { hasError: true }\n }\n\n // React 16 uncaught error 会导致整个应用 crash,\n // 目前把错误缩小到页面\n componentDidCatch (error: Error, info: React.ErrorInfo) {\n if (process.env.NODE_ENV !== 'production') {\n console.warn(error)\n console.error(info.componentStack)\n }\n }\n\n render () {\n const children = this.state.hasError\n ? []\n : h(reactMeta.PageContext.Provider, { value: id }, h(Page, {\n ...this.props,\n ...refs\n }))\n\n if (isWeb) {\n return h(\n 'div',\n { id, className: 'taro_page' },\n children\n )\n } else {\n return h(\n 'root',\n { id },\n children\n )\n }\n }\n }\n }\n}\n\n/**\n * 桥接小程序 App 构造器和 React 渲染流程\n * @param App 用户编写的入口组件\n * @param react 框架\n * @param dom 框架渲染器\n * @param config 入口组件配置 app.config.js 的内容\n * @returns 传递给 App 构造器的对象 obj :App(obj)\n */\nexport function createReactApp (\n App: React.ComponentClass,\n react: typeof React,\n dom,\n config: AppConfig\n) {\n if (process.env.NODE_ENV !== 'production') {\n ensure(!!dom, '构建 React/Nerv 项目请把 process.env.FRAMEWORK 设置为 \\'react\\'/\\'nerv\\' ')\n }\n\n reactMeta.R = react\n h = react.createElement\n ReactDOM = dom\n Fragment = react.Fragment\n const appInstanceRef = react.createRef<ReactAppInstance>()\n const isReactComponent = isClassComponent(react, App)\n let appWrapper: AppWrapper\n let appWrapperResolver: (value: AppWrapper) => void\n const appWrapperPromise = new Promise<AppWrapper>(resolve => (appWrapperResolver = resolve))\n\n setReconciler(ReactDOM)\n\n function getAppInstance (): ReactAppInstance | null {\n return appInstanceRef.current\n }\n\n function waitAppWrapper (cb: () => void) {\n appWrapper ? cb() : appWrapperPromise.then(() => cb())\n }\n\n function renderReactRoot () {\n let appId = 'app'\n if (isWeb) {\n appId = config?.appId || appId\n }\n const container = document.getElementById(appId)\n if((react.version || '').startsWith('18')){\n const root = ReactDOM.createRoot(container)\n root.render?.(h(AppWrapper))\n } else {\n ReactDOM.render?.(h(AppWrapper), container)\n }\n }\n\n class AppWrapper extends react.Component {\n // run createElement() inside the render function to make sure that owner is right\n private pages: Array<() => PageComponent> = []\n private elements: Array<PageComponent> = []\n\n constructor (props) {\n super(props)\n appWrapper = this\n appWrapperResolver(this)\n }\n\n public mount (pageComponent: ReactPageComponent, id: string, cb: () => void) {\n const pageWrapper = connectReactPage(react, id)(pageComponent)\n const key = id + pageKeyId()\n const page = () => h(pageWrapper, { key, tid: id })\n this.pages.push(page)\n this.forceUpdate(cb)\n }\n\n public unmount (id: string, cb: () => void) {\n const elements = this.elements\n const idx = elements.findIndex(item => item.props.tid === id)\n elements.splice(idx, 1)\n this.forceUpdate(cb)\n }\n\n public render () {\n const { pages, elements } = this\n\n while (pages.length > 0) {\n const page = pages.pop()!\n elements.push(page())\n }\n\n let props: React.ComponentProps<any> | null = null\n\n if (isReactComponent) {\n props = { ref: appInstanceRef }\n }\n\n return h(\n App,\n props,\n isWeb ? h(Fragment ?? 'div', null, elements.slice()) : elements.slice()\n )\n }\n }\n\n if (!isWeb) {\n renderReactRoot()\n }\n\n const [ONLAUNCH, ONSHOW, ONHIDE] = hooks.call('getMiniLifecycleImpl')!.app\n\n const appObj: AppInstance = Object.create({\n render (cb: () => void) {\n appWrapper.forceUpdate(cb)\n },\n\n mount (component: ReactPageComponent, id: string, cb: () => void) {\n if (appWrapper) {\n appWrapper.mount(component, id, cb)\n } else {\n appWrapperPromise.then(appWrapper => appWrapper.mount(component, id, cb))\n }\n },\n\n unmount (id: string, cb: () => void) {\n appWrapper.unmount(id, cb)\n }\n }, {\n config: setDefaultDescriptor({\n configurable: true,\n value: config\n }),\n\n [ONLAUNCH]: setDefaultDescriptor({\n value (options) {\n setRouterParams(options)\n\n if (isWeb) {\n // 由于 H5 路由初始化的时候会清除 app 下的 dom 元素,所以需要在路由初始化后执行 render\n renderReactRoot()\n }\n\n const onLaunch = () => {\n // 用户编写的入口组件实例\n const app = getAppInstance()\n this.$app = app\n\n if (app) {\n // 把 App Class 上挂载的额外属性同步到全局 app 对象中\n if (app.taroGlobalData) {\n const globalData = app.taroGlobalData\n const keys = Object.keys(globalData)\n const descriptors = Object.getOwnPropertyDescriptors(globalData)\n keys.forEach(key => {\n Object.defineProperty(this, key, {\n configurable: true,\n enumerable: true,\n get () {\n return globalData[key]\n },\n set (value) {\n globalData[key] = value\n }\n })\n })\n Object.defineProperties(this, descriptors)\n }\n\n app.onLaunch?.(options)\n }\n triggerAppHook('onLaunch', options)\n }\n\n waitAppWrapper(onLaunch)\n }\n }),\n\n [ONSHOW]: setDefaultDescriptor({\n value (options) {\n setRouterParams(options)\n\n const onShow = () => {\n /**\n * trigger lifecycle\n */\n const app = getAppInstance()\n // class component, componentDidShow\n app?.componentDidShow?.(options)\n // functional component, useDidShow\n triggerAppHook('onShow', options)\n }\n\n waitAppWrapper(onShow)\n }\n }),\n\n [ONHIDE]: setDefaultDescriptor({\n value () {\n const onHide = () => {\n /**\n * trigger lifecycle\n */\n const app = getAppInstance()\n // class component, componentDidHide\n app?.componentDidHide?.()\n // functional component, useDidHide\n triggerAppHook('onHide')\n }\n\n waitAppWrapper(onHide)\n }\n }),\n\n onError: setDefaultDescriptor({\n value (error: string) {\n const onError = () => {\n const app = getAppInstance()\n app?.onError?.(error)\n triggerAppHook('onError', error)\n if (process.env.NODE_ENV !== 'production' && error?.includes('Minified React error')) {\n console.warn('React 出现报错,请打开编译配置 mini.debugReact 查看报错详情:https://docs.taro.zone/docs/config-detail#minidebugreact')\n }\n }\n\n waitAppWrapper(onError)\n }\n }),\n\n onUnhandledRejection: setDefaultDescriptor({\n value (res: unknown) {\n const onUnhandledRejection = () => {\n const app = getAppInstance()\n app?.onUnhandledRejection?.(res)\n triggerAppHook('onUnhandledRejection', res)\n }\n\n waitAppWrapper(onUnhandledRejection)\n }\n }),\n\n onPageNotFound: setDefaultDescriptor({\n value (res: unknown) {\n const onPageNotFound = () => {\n const app = getAppInstance()\n app?.onPageNotFound?.(res)\n triggerAppHook('onPageNotFound', res)\n }\n\n waitAppWrapper(onPageNotFound)\n }\n })\n })\n\n function triggerAppHook (lifecycle: keyof PageLifeCycle | keyof AppInstance, ...option) {\n const instance = getPageInstance(HOOKS_APP_ID)\n if (instance) {\n const app = getAppInstance()\n const func = hooks.call('getLifecycle', instance, lifecycle)\n if (Array.isArray(func)) {\n func.forEach(cb => cb.apply(app, option))\n }\n }\n }\n\n Current.app = appObj\n return appObj\n}\n","import {\n addLeadingSlash, Current, document, eventHandler,\n incrementId, injectPageInstance, Instance, removePageInstance, safeExecute,\n TaroRootElement\n} from '@tarojs/runtime'\nimport { EMPTY_OBJ } from '@tarojs/shared'\n\nimport { setReconciler } from './connect'\nimport { reactMeta } from './react-meta'\nimport { isClassComponent } from './utils'\n\nimport type { PageInstance } from '@tarojs/taro'\nimport type * as React from 'react'\n\ndeclare const getCurrentPages: () => PageInstance[]\n\nconst getNativeCompId = incrementId()\nlet h: typeof React.createElement\nlet ReactDOM\n\nfunction initNativeComponentEntry (R: typeof React, ReactDOM) {\n interface IEntryState {\n components: {\n compId: string\n element: React.ReactElement\n }[]\n }\n\n interface IWrapperProps {\n getCtx: () => any\n renderComponent: (ctx: any) => React.ReactElement\n }\n\n class NativeComponentWrapper extends R.Component<IWrapperProps, Record<any, any>> {\n root = R.createRef<TaroRootElement>()\n ctx = this.props.getCtx()\n\n componentDidMount () {\n this.ctx.component = this\n const rootElement = this.root.current!\n rootElement.ctx = this.ctx\n rootElement.performUpdate(true)\n }\n\n render () {\n return (\n h(\n 'root',\n {\n ref: this.root\n },\n this.props.renderComponent(this.ctx)\n )\n )\n }\n }\n\n class Entry extends R.Component<Record<any, any>, IEntryState> {\n state: IEntryState = {\n components: []\n }\n\n componentDidMount () {\n Current.app = this\n }\n\n mount (Component, compId, getCtx) {\n const isReactComponent = isClassComponent(R, Component)\n const inject = (node?: Instance) => node && injectPageInstance(node, compId)\n const refs = isReactComponent ? { ref: inject } : {\n forwardedRef: inject,\n reactReduxForwardedRef: inject\n }\n if (reactMeta.PageContext === EMPTY_OBJ) {\n reactMeta.PageContext = R.createContext('')\n }\n const item = {\n compId,\n element: h(NativeComponentWrapper, {\n key: compId,\n getCtx,\n renderComponent (ctx) {\n return h(\n reactMeta.PageContext.Provider,\n { value: compId },\n h(\n Component,\n {\n ...(ctx.data ||= {}).props,\n ...refs,\n $scope: ctx\n }\n )\n )\n }\n })\n }\n this.setState({\n components: [...this.state.components, item]\n })\n }\n\n unmount (compId) {\n const components = this.state.components\n const index = components.findIndex(item => item.compId === compId)\n const next = [...components.slice(0, index), ...components.slice(index + 1)]\n this.setState({\n components: next\n }, () => {\n removePageInstance(compId)\n })\n }\n\n render () {\n const components = this.state.components\n return (\n components.map(({ element }) => element)\n )\n }\n }\n\n setReconciler(ReactDOM)\n\n const app = document.getElementById('app')\n\n ReactDOM.render(\n h(Entry, {}),\n app\n )\n}\n\nexport function createNativeComponentConfig (Component, react: typeof React, reactdom, componentConfig) {\n reactMeta.R = react\n h = react.createElement\n ReactDOM = reactdom\n\n setReconciler(ReactDOM)\n\n const componentObj: Record<string, any> = {\n options: componentConfig,\n properties: {\n props: {\n type: null,\n value: null,\n observer (_newVal, oldVal) {\n oldVal && this.component?.forceUpdate()\n }\n }\n },\n created () {\n if (!Current.app) {\n initNativeComponentEntry(react, ReactDOM)\n }\n },\n attached () {\n const compId = this.compId = getNativeCompId()\n setCurrent(compId)\n this.config = componentConfig\n Current.app!.mount!(Component, compId, () => this)\n },\n ready () {\n safeExecute(this.compId, 'onReady')\n },\n detached () {\n resetCurrent()\n Current.app!.unmount!(this.compId)\n },\n pageLifetimes: {\n show (options) {\n safeExecute(this.compId, 'onShow', options)\n },\n hide () {\n safeExecute(this.compId, 'onHide')\n }\n },\n methods: {\n eh: eventHandler,\n onLoad (options) {\n safeExecute(this.compId, 'onLoad', options)\n },\n onUnload () {\n safeExecute(this.compId, 'onUnload')\n }\n }\n }\n \n function resetCurrent () {\n // 小程序插件页面卸载之后返回到宿主页面时,需重置Current页面和路由。否则引发插件组件二次加载异常 fix:#11991\n Current.page = null\n Current.router = null\n }\n\n function setCurrent (compId: string) {\n const pages = getCurrentPages()\n const currentPage = pages[pages.length - 1]\n if (Current.page === currentPage) return\n\n Current.page = currentPage\n\n const route = (currentPage as any).route || (currentPage as any).__route__\n const router = {\n params: currentPage.options || {},\n path: addLeadingSlash(route),\n $taroPath: compId,\n onReady: '',\n onHide: '',\n onShow: ''\n }\n Current.router = router\n\n if (!currentPage.options) {\n // 例如在微信小程序中,页面 options 的设置时机比组件 attached 慢\n Object.defineProperty(currentPage, 'options', {\n enumerable: true,\n configurable: true,\n get () {\n return this._optionsValue\n },\n set (value) {\n router.params = value\n this._optionsValue = value\n }\n })\n }\n }\n\n // onShareAppMessage 和 onShareTimeline 一样,会影响小程序右上方按钮的选项,因此不能默认注册。\n if (\n Component.onShareAppMessage ||\n Component.prototype?.onShareAppMessage ||\n Component.enableShareAppMessage\n ) {\n componentObj.methods.onShareAppMessage = function (options) {\n const target = options?.target\n if (target) {\n const id = target.id\n const element = document.getElementById(id)\n if (element) {\n target!.dataset = element.dataset\n }\n }\n return safeExecute(this.compId, 'onShareAppMessage', options)\n }\n }\n if (\n Component.onShareTimeline ||\n Component.prototype?.onShareTimeline ||\n Component.enableShareTimeline\n ) {\n componentObj.methods.onShareTimeline = function () {\n return safeExecute(this.compId, 'onShareTimeline')\n }\n }\n\n return componentObj\n}\n","import { hooks } from '@tarojs/shared'\n\nimport * as taroHooks from './hooks'\n\ndeclare const __TARO_FRAMEWORK__: string\n\nhooks.tap('initNativeApi', function (taro) {\n for (const hook in taroHooks) {\n taro[hook] = taroHooks[hook]\n }\n})\n\nif (__TARO_FRAMEWORK__ === 'preact') {\n const options = require('preact').options\n const oldVNodeHook = options.vnode\n const oldDiffedHook = options.diffed\n options.vnode = vnode => {\n const { type, props } = vnode\n let normalizedProps = props\n\n // only normalize props on Element nodes\n if (typeof type === 'string') {\n normalizedProps = {}\n\n for (let i in props) {\n const value = props[i]\n\n if (/^on/.test(i)) {\n i = i.toLowerCase()\n }\n\n if (type === 'map' && i === 'onregionchange') {\n // map 组件的 regionchange 事件非常特殊,详情:https://github.com/NervJS/taro/issues/5766\n normalizedProps.onbegin = value\n normalizedProps.onend = value\n continue\n }\n\n normalizedProps[i] = value\n }\n\n vnode.props = normalizedProps\n }\n\n if (oldVNodeHook) oldVNodeHook(vnode)\n }\n options.diffed = function (newVNode) {\n const domProp = Object.keys(newVNode).find(k => (newVNode[k]?.setAttribute))\n const dom = domProp ? newVNode[domProp] : null\n const newVNodeProps = newVNode.props\n if (dom) { /** ElementNode */\n for (const propName in newVNodeProps) {\n const propValue = newVNodeProps[propName]\n if (propValue === false && dom.props?.[propName] === undefined) {\n // 值为 false 的属性在 Preact 的 diff 中被 removeAttribute 了,这里手动 setAttribute\n // fix https://github.com/NervJS/taro/issues/11197\n dom.setAttribute(propName, propValue)\n }\n }\n }\n if (oldDiffedHook) oldDiffedHook(newVNode)\n }\n\n hooks.tap('modifyMpEvent', e => {\n const type = e.type\n if (type === 'tap') {\n e.type = 'click'\n } else if (type === 'focus') {\n // 兼容 preact/compat/src/render.js options.vnode 的处理逻辑\n e.type = 'focusin'\n } else if (type === 'blur') {\n e.type = 'focusout'\n }\n })\n // hooks.modifyDispatchEventImpls?.push(e => {\n // })\n}\n\nexport * from './connect'\nexport * from './connect-native'\nexport * from './hooks'\n","export const supportedInputTypes: { [key: string]: boolean } = {\n color: true,\n date: true,\n datetime: true,\n 'datetime-local': true,\n email: true,\n month: true,\n number: true,\n password: true,\n range: true,\n search: true,\n tel: true,\n text: true,\n time: true,\n url: true,\n week: true,\n}\n\nconst SyncLane = 1\nconst InputContinuousLane = 4\nconst DefaultLane = 16\nconst DiscreteEventPriority = SyncLane\nconst ContinuousEventPriority = InputContinuousLane\nconst DefaultEventPriority = DefaultLane\n\nexport function getEventPriority (domEventName) {\n switch (domEventName) {\n case 'cancel':\n case 'click':\n case 'close':\n case 'contextmenu':\n case 'copy':\n case 'cut':\n case 'dragend':\n case 'dragstart':\n case 'drop':\n case 'input':\n case 'paste':\n case 'pause':\n case 'play':\n case 'pointercancel':\n case 'pointerdown':\n case 'pointerup':\n case 'reset':\n case 'resize':\n case 'submit':\n case 'touchcancel':\n case 'touchend':\n case 'touchstart':\n case 'change':\n case 'blur':\n case 'focus':\n case 'select':\n case 'selectstart':\n return DiscreteEventPriority\n case 'drag':\n case 'dragenter':\n case 'dragexit':\n case 'dragleave':\n case 'dragover':\n case 'pointermove':\n case 'pointerout':\n case 'pointerover':\n case 'scroll':\n case 'toggle':\n case 'touchmove':\n case 'pointerenter':\n case 'pointerleave':\n return ContinuousEventPriority\n default:\n return DefaultEventPriority\n }\n}\n\n\nconst randomKey = Math.random()\n .toString(36)\n .slice(2)\n\nexport const internalPropsKey = '__reactProps$' + randomKey\nexport const internalInstanceKey = '__reactFiber$' + randomKey\nexport const internalContainerInstanceKey = '__reactContainer$' + randomKey\n// const internalEventHandlersKey = '__reactEvents$' + randomKey\n// const internalEventHandlerListenersKey = '__reactListeners$' + randomKey\n// const internalEventHandlesSetKey = '__reactHandles$' + randomKey\n","export type WorkTag =\n | 0\n | 1\n | 2\n | 3\n | 4\n | 5\n | 6\n | 7\n | 8\n | 9\n | 10\n | 11\n | 12\n | 13\n | 14\n | 15\n | 16\n | 17\n | 18\n | 19\n | 20\n | 21\n | 22\n | 23\n | 24\n | 25\n\nexport const FunctionComponent = 0\nexport const ClassComponent = 1\nexport const IndeterminateComponent = 2 // Before we know whether it is function or class\nexport const HostRoot = 3 // Root of a host tree. Could be nested inside another node.\nexport const HostPortal = 4 // A subtree. Could be an entry point to a different renderer.\nexport const HostComponent = 5\nexport const HostText = 6\nexport const Fragment = 7\nexport const Mode = 8\nexport const ContextConsumer = 9\nexport const ContextProvider = 10\nexport const ForwardRef = 11\nexport const Profiler = 12\nexport const SuspenseComponent = 13\nexport const MemoComponent = 14\nexport const SimpleMemoComponent = 15\nexport const LazyComponent = 16\nexport const IncompleteClassComponent = 17\nexport const DehydratedFragment = 18\nexport const SuspenseListComponent = 19\nexport const ScopeComponent = 21\nexport const OffscreenComponent = 22\nexport const LegacyHiddenComponent = 23\nexport const CacheComponent = 24\nexport const TracingMarkerComponent = 25\n","/**\n * 给 TaroElement 绑定 react fiber、react props 等属性\n * 提供 fiber -> element、element -> fiber、element -> props 的方法\n*/\n\nimport { TaroElement } from '@tarojs/runtime'\nimport { Fiber } from 'react-reconciler'\n\nimport { internalContainerInstanceKey, internalInstanceKey, internalPropsKey } from './constant'\nimport { Props } from './props'\nimport { HostComponent, HostRoot, HostText, SuspenseComponent } from './workTags'\n\n\nexport function precacheFiberNode (hostInst: Fiber, node: TaroElement): void {\n node[internalInstanceKey] = hostInst\n}\n\nexport function markContainerAsRoot (hostRoot: Fiber, node: TaroElement): void {\n node[internalContainerInstanceKey] = hostRoot\n}\n\nexport function unmarkContainerAsRoot (node: TaroElement): void {\n node[internalContainerInstanceKey] = null\n}\n\nexport function isContainerMarkedAsRoot (node: TaroElement): boolean {\n return !!node[internalContainerInstanceKey]\n}\n\n/**\n * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent\n * instance, or null if the node was not rendered by this React.\n */\nexport function getInstanceFromNode (node: TaroElement): Fiber | null {\n const inst = node[internalInstanceKey] || node[internalContainerInstanceKey]\n\n if (inst) {\n if (\n inst.tag === HostComponent ||\n inst.tag === HostText ||\n inst.tag === SuspenseComponent ||\n inst.tag === HostRoot\n ) {\n return inst\n } else {\n return null\n }\n }\n return null\n}\n\n/**\n * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding\n * DOM node.\n */\nexport function getNodeFromInstance (inst: Fiber) {\n if (inst.tag === HostComponent || inst.tag === HostText) {\n // In Fiber this, is just the state node right now. We assume it will be\n // a host component or host text.\n return inst.stateNode\n }\n}\n\nexport function getFiberCurrentPropsFromNode (node: TaroElement): Props {\n return node[internalPropsKey] || null\n}\n\nexport function updateFiberProps (\n node: TaroElement,\n props: Props,\n): void {\n node[internalPropsKey] = props\n}\n","import { FormElement, TaroElement } from '@tarojs/runtime'\n\nimport { supportedInputTypes } from './constant'\nimport { Props } from './props'\n\nimport type { RestoreType } from './event'\n\n// 从 props 中,更新 input 组件的 value 值\nfunction updateInputWrapper (element: TaroElement, oldValue: RestoreType, props: Props) {\n const node = element\n const checked = props.checked\n\n if (checked != null) {\n console.warn('updateCheck 未实现', node)\n return\n }\n\n updateWrapper(element, oldValue, props)\n updateNamedCousins(element, props)\n}\n\n// react 中原本处理 type=radio 的逻辑,这里留个空,暂时不处理\nfunction updateNam
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