t8n-typewriter module for SugarCube v2

t8n-typewriter-module-for-sugarcube-v2.js

/*! t8n-typewriter module for SugarCube v2 */
!function(){"use strict";function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),Furl=function(){function Furl(current,append){if(_classCallCheck(this,Furl),Object.defineProperties(this,{node:{value:current},childNodes:{value:[]},value:{writable:!0,value:""},append:{writable:!0,value:!!append},abortTyping:{writable:!0,value:!1}}),this.node.nodeValue&&(this.value=this.node.nodeValue,this.node.nodeValue=""),!this.node.style||"none"!==this.node.style.display)for(var childNodes=this.node.childNodes;childNodes.length>0;)this.childNodes.push(new Furl(childNodes[0],!0)),this.node.removeChild(childNodes[0])}return _createClass(Furl,[{key:"finish",value:function(){for(this.abortTyping=!0;this.unfurl(););}},{key:"unfurl",value:function(parent){if(this.append&&(parent&&parent.appendChild(this.node),this.append=!1),this.value)return this.node.nodeValue+=this.value[0],this.value=this.value.slice(1),!0;for(var current=this.node,i=0,len=this.childNodes.length;i<len;++i)if(this.childNodes[i].unfurl(current))return!0;return!1}}],[{key:"typeout",value:function(content,typeDelay,startDelay){function typer(){if(!furled.abortTyping)var current=passage(),typerId=setInterval(function(){!furled.abortTyping&&passage()===current&&furled.unfurl()||clearInterval(typerId)},typeDelay)}var furled=new Furl(content);return startDelay?setTimeout(typer,startDelay):typer(),furled}}]),Furl}(),tagRe=/^t8n-typewriter-(\d+)(?:-(\d+))?$/;postrender["t8n-typewriter-handler"]=function(content){$(document).off("keypress.t8n-typewriter");for(var tags=this.tags,i=0;i<tags.length;++i){var match=tagRe.exec(tags[i]);if(null!==match){if("break"===function(){var furled=Furl.typeout(content,Number(match[1]),Number(match[2]));return $(document).on("keypress.t8n-typewriter",function(ev){32!==ev.which||ev.target!==document.body&&ev.target!==document.documentElement||(ev.preventDefault(),$(document).off("keypress.t8n-typewriter"),furled.finish())}),"break"}())break}}}}();