requirebin sketch

index.js

const RWS = require('reconnecting-websocket');

const rws1 = new RWS('wss://echo.websocket.org');
const rws2 = new RWS('wss://echo.websocket.org', undefined);

rws1.onopen = () => console.log('ws1 connected');
rws2.onopen = () => console.log('ws2 connected');

minified.js

setTimeout(function(){
;require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"reconnecting-websocket":[function(require,module,exports){
"use strict";
var isWebSocket = function (constructor) {
    return constructor && constructor.CLOSING === 2;
};
var isGlobalWebSocket = function () {
    return typeof WebSocket !== 'undefined' && isWebSocket(WebSocket);
};
var getDefaultOptions = function () { return ({
    constructor: isGlobalWebSocket() ? WebSocket : null,
    maxReconnectionDelay: 10000,
    minReconnectionDelay: 1500,
    reconnectionDelayGrowFactor: 1.3,
    connectionTimeout: 4000,
    maxRetries: Infinity,
    debug: false,
}); };
var bypassProperty = function (src, dst, name) {
    Object.defineProperty(dst, name, {
        get: function () { return src[name]; },
        set: function (value) { src[name] = value; },
        enumerable: true,
        configurable: true,
    });
};
var initReconnectionDelay = function (config) {
    return (config.minReconnectionDelay + Math.random() * config.minReconnectionDelay);
};
var updateReconnectionDelay = function (config, previousDelay) {
    var newDelay = previousDelay * config.reconnectionDelayGrowFactor;
    return (newDelay > config.maxReconnectionDelay)
        ? config.maxReconnectionDelay
        : newDelay;
};
var LEVEL_0_EVENTS = ['onopen', 'onclose', 'onmessage', 'onerror'];
var reassignEventListeners = function (ws, oldWs, listeners) {
    Object.keys(listeners).forEach(function (type) {
        listeners[type].forEach(function (_a) {
            var listener = _a[0], options = _a[1];
            ws.addEventListener(type, listener, options);
        });
    });
    if (oldWs) {
        LEVEL_0_EVENTS.forEach(function (name) { ws[name] = oldWs[name]; });
    }
};
var ReconnectingWebsocket = function (url, protocols, options) {
    var _this = this;
    if (options === void 0) { options = {}; }
    var ws;
    var connectingTimeout;
    var reconnectDelay = 0;
    var retriesCount = 0;
    var shouldRetry = true;
    var savedOnClose = null;
    var listeners = {};
    // require new to construct
    if (!(this instanceof ReconnectingWebsocket)) {
        throw new TypeError("Failed to construct 'ReconnectingWebSocket': Please use the 'new' operator");
    }
    // Set config. Not using `Object.assign` because of IE11
    var config = getDefaultOptions();
    Object.keys(config)
        .filter(function (key) { return options.hasOwnProperty(key); })
        .forEach(function (key) { return config[key] = options[key]; });
    if (!isWebSocket(config.constructor)) {
        throw new TypeError('Invalid WebSocket constructor. Set `options.constructor`');
    }
    var log = config.debug ? function () {
        var params = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            params[_i - 0] = arguments[_i];
        }
        return console.log.apply(console, ['RWS:'].concat(params));
    } : function () { };
    /**
     * Not using dispatchEvent, otherwise we must use a DOM Event object
     * Deferred because we want to handle the close event before this
     */
    var emitError = function (code, msg) { return setTimeout(function () {
        var err = new Error(msg);
        err.code = code;
        if (Array.isArray(listeners.error)) {
            listeners.error.forEach(function (_a) {
                var fn = _a[0];
                return fn(err);
            });
        }
        if (ws.onerror) {
            ws.onerror(err);
        }
    }, 0); };
    var handleClose = function () {
        log('close');
        retriesCount++;
        log('retries count:', retriesCount);
        if (retriesCount > config.maxRetries) {
            emitError('EHOSTDOWN', 'Too many failed connection attempts');
            return;
        }
        if (!reconnectDelay) {
            reconnectDelay = initReconnectionDelay(config);
        }
        else {
            reconnectDelay = updateReconnectionDelay(config, reconnectDelay);
        }
        log('reconnectDelay:', reconnectDelay);
        if (shouldRetry) {
            setTimeout(connect, reconnectDelay);
        }
    };
    var connect = function () {
        log('connect');
        var oldWs = ws;
        ws = new config.constructor(url, protocols);
        connectingTimeout = setTimeout(function () {
            log('timeout');
            ws.close();
            emitError('ETIMEDOUT', 'Connection timeout');
        }, config.connectionTimeout);
        log('bypass properties');
        for (var key in ws) {
            // @todo move to constant
            if (['addEventListener', 'removeEventListener', 'close', 'send'].indexOf(key) < 0) {
                bypassProperty(ws, _this, key);
            }
        }
        ws.addEventListener('open', function () {
            clearTimeout(connectingTimeout);
            log('open');
            reconnectDelay = initReconnectionDelay(config);
            log('reconnectDelay:', reconnectDelay);
            retriesCount = 0;
        });
        ws.addEventListener('close', handleClose);
        reassignEventListeners(ws, oldWs, listeners);
        // because when closing with fastClose=true, it is saved and set to null to avoid double calls
        ws.onclose = ws.onclose || savedOnClose;
        savedOnClose = null;
    };
    log('init');
    connect();
    this.close = function (code, reason, _a) {
        if (code === void 0) { code = 1000; }
        if (reason === void 0) { reason = ''; }
        var _b = _a === void 0 ? {} : _a, _c = _b.keepClosed, keepClosed = _c === void 0 ? false : _c, _d = _b.fastClose, fastClose = _d === void 0 ? true : _d, _e = _b.delay, delay = _e === void 0 ? 0 : _e;
        if (delay) {
            reconnectDelay = delay;
        }
        shouldRetry = !keepClosed;
        ws.close(code, reason);
        if (fastClose) {
            var fakeCloseEvent_1 = {
                code: code,
                reason: reason,
                wasClean: true,
            };
            // execute close listeners soon with a fake closeEvent
            // and remove them from the WS instance so they
            // don't get fired on the real close.
            handleClose();
            ws.removeEventListener('close', handleClose);
            // run and remove level2
            if (Array.isArray(listeners.close)) {
                listeners.close.forEach(function (_a) {
                    var listener = _a[0], options = _a[1];
                    listener(fakeCloseEvent_1);
                    ws.removeEventListener('close', listener, options);
                });
            }
            // run and remove level0
            if (ws.onclose) {
                savedOnClose = ws.onclose;
                ws.onclose(fakeCloseEvent_1);
                ws.onclose = null;
            }
        }
    };
    this.send = function (data) {
        ws.send(data);
    };
    this.addEventListener = function (type, listener, options) {
        if (Array.isArray(listeners[type])) {
            if (!listeners[type].some(function (_a) {
                var l = _a[0];
                return l === listener;
            })) {
                listeners[type].push([listener, options]);
            }
        }
        else {
            listeners[type] = [[listener, options]];
        }
        ws.addEventListener(type, listener, options);
    };
    this.removeEventListener = function (type, listener, options) {
        if (Array.isArray(listeners[type])) {
            listeners[type] = listeners[type].filter(function (_a) {
                var l = _a[0];
                return l !== listener;
            });
        }
        ws.removeEventListener(type, listener, options);
    };
};
module.exports = ReconnectingWebsocket;

},{}]},{},[])
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../home/admin/browserify-cdn/node_modules/browserify/node_modules/browser-pack/_prelude.js","reconnecting-websocket"],"names":[],"mappings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file":"generated.js","sourceRoot":"","sourcesContent":["(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","\"use strict\";\nvar isWebSocket = function (constructor) {\n    return constructor && constructor.CLOSING === 2;\n};\nvar isGlobalWebSocket = function () {\n    return typeof WebSocket !== 'undefined' && isWebSocket(WebSocket);\n};\nvar getDefaultOptions = function () { return ({\n    constructor: isGlobalWebSocket() ? WebSocket : null,\n    maxReconnectionDelay: 10000,\n    minReconnectionDelay: 1500,\n    reconnectionDelayGrowFactor: 1.3,\n    connectionTimeout: 4000,\n    maxRetries: Infinity,\n    debug: false,\n}); };\nvar bypassProperty = function (src, dst, name) {\n    Object.defineProperty(dst, name, {\n        get: function () { return src[name]; },\n        set: function (value) { src[name] = value; },\n        enumerable: true,\n        configurable: true,\n    });\n};\nvar initReconnectionDelay = function (config) {\n    return (config.minReconnectionDelay + Math.random() * config.minReconnectionDelay);\n};\nvar updateReconnectionDelay = function (config, previousDelay) {\n    var newDelay = previousDelay * config.reconnectionDelayGrowFactor;\n    return (newDelay > config.maxReconnectionDelay)\n        ? config.maxReconnectionDelay\n        : newDelay;\n};\nvar LEVEL_0_EVENTS = ['onopen', 'onclose', 'onmessage', 'onerror'];\nvar reassignEventListeners = function (ws, oldWs, listeners) {\n    Object.keys(listeners).forEach(function (type) {\n        listeners[type].forEach(function (_a) {\n            var listener = _a[0], options = _a[1];\n            ws.addEventListener(type, listener, options);\n        });\n    });\n    if (oldWs) {\n        LEVEL_0_EVENTS.forEach(function (name) { ws[name] = oldWs[name]; });\n    }\n};\nvar ReconnectingWebsocket = function (url, protocols, options) {\n    var _this = this;\n    if (options === void 0) { options = {}; }\n    var ws;\n    var connectingTimeout;\n    var reconnectDelay = 0;\n    var retriesCount = 0;\n    var shouldRetry = true;\n    var savedOnClose = null;\n    var listeners = {};\n    // require new to construct\n    if (!(this instanceof ReconnectingWebsocket)) {\n        throw new TypeError(\"Failed to construct 'ReconnectingWebSocket': Please use the 'new' operator\");\n    }\n    // Set config. Not using `Object.assign` because of IE11\n    var config = getDefaultOptions();\n    Object.keys(config)\n        .filter(function (key) { return options.hasOwnProperty(key); })\n        .forEach(function (key) { return config[key] = options[key]; });\n    if (!isWebSocket(config.constructor)) {\n        throw new TypeError('Invalid WebSocket constructor. Set `options.constructor`');\n    }\n    var log = config.debug ? function () {\n        var params = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            params[_i - 0] = arguments[_i];\n        }\n        return console.log.apply(console, ['RWS:'].concat(params));\n    } : function () { };\n    /**\n     * Not using dispatchEvent, otherwise we must use a DOM Event object\n     * Deferred because we want to handle the close event before this\n     */\n    var emitError = function (code, msg) { return setTimeout(function () {\n        var err = new Error(msg);\n        err.code = code;\n        if (Array.isArray(listeners.error)) {\n            listeners.error.forEach(function (_a) {\n                var fn = _a[0];\n                return fn(err);\n            });\n        }\n        if (ws.onerror) {\n            ws.onerror(err);\n        }\n    }, 0); };\n    var handleClose = function () {\n        log('close');\n        retriesCount++;\n        log('retries count:', retriesCount);\n        if (retriesCount > config.maxRetries) {\n            emitError('EHOSTDOWN', 'Too many failed connection attempts');\n            return;\n        }\n        if (!reconnectDelay) {\n            reconnectDelay = initReconnectionDelay(config);\n        }\n        else {\n            reconnectDelay = updateReconnectionDelay(config, reconnectDelay);\n        }\n        log('reconnectDelay:', reconnectDelay);\n        if (shouldRetry) {\n            setTimeout(connect, reconnectDelay);\n        }\n    };\n    var connect = function () {\n        log('connect');\n        var oldWs = ws;\n        ws = new config.constructor(url, protocols);\n        connectingTimeout = setTimeout(function () {\n            log('timeout');\n            ws.close();\n            emitError('ETIMEDOUT', 'Connection timeout');\n        }, config.connectionTimeout);\n        log('bypass properties');\n        for (var key in ws) {\n            // @todo move to constant\n            if (['addEventListener', 'removeEventListener', 'close', 'send'].indexOf(key) < 0) {\n                bypassProperty(ws, _this, key);\n            }\n        }\n        ws.addEventListener('open', function () {\n            clearTimeout(connectingTimeout);\n            log('open');\n            reconnectDelay = initReconnectionDelay(config);\n            log('reconnectDelay:', reconnectDelay);\n            retriesCount = 0;\n        });\n        ws.addEventListener('close', handleClose);\n        reassignEventListeners(ws, oldWs, listeners);\n        // because when closing with fastClose=true, it is saved and set to null to avoid double calls\n        ws.onclose = ws.onclose || savedOnClose;\n        savedOnClose = null;\n    };\n    log('init');\n    connect();\n    this.close = function (code, reason, _a) {\n        if (code === void 0) { code = 1000; }\n        if (reason === void 0) { reason = ''; }\n        var _b = _a === void 0 ? {} : _a, _c = _b.keepClosed, keepClosed = _c === void 0 ? false : _c, _d = _b.fastClose, fastClose = _d === void 0 ? true : _d, _e = _b.delay, delay = _e === void 0 ? 0 : _e;\n        if (delay) {\n            reconnectDelay = delay;\n        }\n        shouldRetry = !keepClosed;\n        ws.close(code, reason);\n        if (fastClose) {\n            var fakeCloseEvent_1 = {\n                code: code,\n                reason: reason,\n                wasClean: true,\n            };\n            // execute close listeners soon with a fake closeEvent\n            // and remove them from the WS instance so they\n            // don't get fired on the real close.\n            handleClose();\n            ws.removeEventListener('close', handleClose);\n            // run and remove level2\n            if (Array.isArray(listeners.close)) {\n                listeners.close.forEach(function (_a) {\n                    var listener = _a[0], options = _a[1];\n                    listener(fakeCloseEvent_1);\n                    ws.removeEventListener('close', listener, options);\n                });\n            }\n            // run and remove level0\n            if (ws.onclose) {\n                savedOnClose = ws.onclose;\n                ws.onclose(fakeCloseEvent_1);\n                ws.onclose = null;\n            }\n        }\n    };\n    this.send = function (data) {\n        ws.send(data);\n    };\n    this.addEventListener = function (type, listener, options) {\n        if (Array.isArray(listeners[type])) {\n            if (!listeners[type].some(function (_a) {\n                var l = _a[0];\n                return l === listener;\n            })) {\n                listeners[type].push([listener, options]);\n            }\n        }\n        else {\n            listeners[type] = [[listener, options]];\n        }\n        ws.addEventListener(type, listener, options);\n    };\n    this.removeEventListener = function (type, listener, options) {\n        if (Array.isArray(listeners[type])) {\n            listeners[type] = listeners[type].filter(function (_a) {\n                var l = _a[0];\n                return l !== listener;\n            });\n        }\n        ws.removeEventListener(type, listener, options);\n    };\n};\nmodule.exports = ReconnectingWebsocket;\n"]}
const RWS = require('reconnecting-websocket');

const rws1 = new RWS('wss://echo.websocket.org');
const rws2 = new RWS('wss://echo.websocket.org', undefined);

rws1.onopen = () => console.log('ws1 connected');
rws2.onopen = () => console.log('ws2 connected');

;}, 0)

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "reconnecting-websocket": "3.0.3"
  }
}

page-body.html

<!-- contents of this file will be placed inside the <body> -->

page-head.html

<!-- contents of this file will be placed inside the <head> -->

requirebin.md

made with requirebin