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Diffstat (limited to 'src/node_modules/eventemitter3')
| -rw-r--r-- | src/node_modules/eventemitter3/LICENSE | 21 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/README.md | 94 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/index.d.ts | 134 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/index.js | 336 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/package.json | 56 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/umd/eventemitter3.js | 340 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/umd/eventemitter3.min.js | 1 | ||||
| -rw-r--r-- | src/node_modules/eventemitter3/umd/eventemitter3.min.js.map | 1 |
8 files changed, 983 insertions, 0 deletions
diff --git a/src/node_modules/eventemitter3/LICENSE b/src/node_modules/eventemitter3/LICENSE new file mode 100644 index 0000000..abcbd54 --- /dev/null +++ b/src/node_modules/eventemitter3/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Arnout Kazemier + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/src/node_modules/eventemitter3/README.md b/src/node_modules/eventemitter3/README.md new file mode 100644 index 0000000..aba7e18 --- /dev/null +++ b/src/node_modules/eventemitter3/README.md @@ -0,0 +1,94 @@ +# EventEmitter3 + +[](https://www.npmjs.com/package/eventemitter3)[](https://travis-ci.org/primus/eventemitter3)[](https://david-dm.org/primus/eventemitter3)[](https://coveralls.io/r/primus/eventemitter3?branch=master)[](https://webchat.freenode.net/?channels=primus) + +[](https://saucelabs.com/u/eventemitter3) + +EventEmitter3 is a high performance EventEmitter. It has been micro-optimized +for various of code paths making this, one of, if not the fastest EventEmitter +available for Node.js and browsers. The module is API compatible with the +EventEmitter that ships by default with Node.js but there are some slight +differences: + +- Domain support has been removed. +- We do not `throw` an error when you emit an `error` event and nobody is + listening. +- The `newListener` and `removeListener` events have been removed as they + are useful only in some uncommon use-cases. +- The `setMaxListeners`, `getMaxListeners`, `prependListener` and + `prependOnceListener` methods are not available. +- Support for custom context for events so there is no need to use `fn.bind`. +- The `removeListener` method removes all matching listeners, not only the + first. + +It's a drop in replacement for existing EventEmitters, but just faster. Free +performance, who wouldn't want that? The EventEmitter is written in EcmaScript 3 +so it will work in the oldest browsers and node versions that you need to +support. + +## Installation + +```bash +$ npm install --save eventemitter3 +``` + +## CDN + +Recommended CDN: + +```text +https://unpkg.com/eventemitter3@latest/umd/eventemitter3.min.js +``` + +## Usage + +After installation the only thing you need to do is require the module: + +```js +var EventEmitter = require('eventemitter3'); +``` + +And you're ready to create your own EventEmitter instances. For the API +documentation, please follow the official Node.js documentation: + +http://nodejs.org/api/events.html + +### Contextual emits + +We've upgraded the API of the `EventEmitter.on`, `EventEmitter.once` and +`EventEmitter.removeListener` to accept an extra argument which is the `context` +or `this` value that should be set for the emitted events. This means you no +longer have the overhead of an event that required `fn.bind` in order to get a +custom `this` value. + +```js +var EE = new EventEmitter() + , context = { foo: 'bar' }; + +function emitted() { + console.log(this === context); // true +} + +EE.once('event-name', emitted, context); +EE.on('another-event', emitted, context); +EE.removeListener('another-event', emitted, context); +``` + +### Tests and benchmarks + +This module is well tested. You can run: + +- `npm test` to run the tests under Node.js. +- `npm run test-browser` to run the tests in real browsers via Sauce Labs. + +We also have a set of benchmarks to compare EventEmitter3 with some available +alternatives. To run the benchmarks run `npm run benchmark`. + +Tests and benchmarks are not included in the npm package. If you want to play +with them you have to clone the GitHub repository. +Note that you will have to run an additional `npm i` in the benchmarks folder +before `npm run benchmark`. + +## License + +[MIT](LICENSE) diff --git a/src/node_modules/eventemitter3/index.d.ts b/src/node_modules/eventemitter3/index.d.ts new file mode 100644 index 0000000..118f68b --- /dev/null +++ b/src/node_modules/eventemitter3/index.d.ts @@ -0,0 +1,134 @@ +/** + * Minimal `EventEmitter` interface that is molded against the Node.js + * `EventEmitter` interface. + */ +declare class EventEmitter< + EventTypes extends EventEmitter.ValidEventTypes = string | symbol, + Context extends any = any +> { + static prefixed: string | boolean; + + /** + * Return an array listing the events for which the emitter has registered + * listeners. + */ + eventNames(): Array<EventEmitter.EventNames<EventTypes>>; + + /** + * Return the listeners registered for a given event. + */ + listeners<T extends EventEmitter.EventNames<EventTypes>>( + event: T + ): Array<EventEmitter.EventListener<EventTypes, T>>; + + /** + * Return the number of listeners listening to a given event. + */ + listenerCount(event: EventEmitter.EventNames<EventTypes>): number; + + /** + * Calls each of the listeners registered for a given event. + */ + emit<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + ...args: EventEmitter.EventArgs<EventTypes, T> + ): boolean; + + /** + * Add a listener for a given event. + */ + on<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + fn: EventEmitter.EventListener<EventTypes, T>, + context?: Context + ): this; + addListener<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + fn: EventEmitter.EventListener<EventTypes, T>, + context?: Context + ): this; + + /** + * Add a one-time listener for a given event. + */ + once<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + fn: EventEmitter.EventListener<EventTypes, T>, + context?: Context + ): this; + + /** + * Remove the listeners of a given event. + */ + removeListener<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + fn?: EventEmitter.EventListener<EventTypes, T>, + context?: Context, + once?: boolean + ): this; + off<T extends EventEmitter.EventNames<EventTypes>>( + event: T, + fn?: EventEmitter.EventListener<EventTypes, T>, + context?: Context, + once?: boolean + ): this; + + /** + * Remove all listeners, or those of the specified event. + */ + removeAllListeners(event?: EventEmitter.EventNames<EventTypes>): this; +} + +declare namespace EventEmitter { + export interface ListenerFn<Args extends any[] = any[]> { + (...args: Args): void; + } + + export interface EventEmitterStatic { + new < + EventTypes extends ValidEventTypes = string | symbol, + Context = any + >(): EventEmitter<EventTypes, Context>; + } + + /** + * `object` should be in either of the following forms: + * ``` + * interface EventTypes { + * 'event-with-parameters': any[] + * 'event-with-example-handler': (...args: any[]) => void + * } + * ``` + */ + export type ValidEventTypes = string | symbol | object; + + export type EventNames<T extends ValidEventTypes> = T extends string | symbol + ? T + : keyof T; + + export type ArgumentMap<T extends object> = { + [K in keyof T]: T[K] extends (...args: any[]) => void + ? Parameters<T[K]> + : T[K] extends any[] + ? T[K] + : any[]; + }; + + export type EventListener< + T extends ValidEventTypes, + K extends EventNames<T> + > = T extends string | symbol + ? (...args: any[]) => void + : ( + ...args: ArgumentMap<Exclude<T, string | symbol>>[Extract<K, keyof T>] + ) => void; + + export type EventArgs< + T extends ValidEventTypes, + K extends EventNames<T> + > = Parameters<EventListener<T, K>>; + + export const EventEmitter: EventEmitterStatic; +} + +export = EventEmitter; diff --git a/src/node_modules/eventemitter3/index.js b/src/node_modules/eventemitter3/index.js new file mode 100644 index 0000000..6ea485c --- /dev/null +++ b/src/node_modules/eventemitter3/index.js @@ -0,0 +1,336 @@ +'use strict'; + +var has = Object.prototype.hasOwnProperty + , prefix = '~'; + +/** + * Constructor to create a storage for our `EE` objects. + * An `Events` instance is a plain object whose properties are event names. + * + * @constructor + * @private + */ +function Events() {} + +// +// We try to not inherit from `Object.prototype`. In some engines creating an +// instance in this way is faster than calling `Object.create(null)` directly. +// If `Object.create(null)` is not supported we prefix the event names with a +// character to make sure that the built-in object properties are not +// overridden or used as an attack vector. +// +if (Object.create) { + Events.prototype = Object.create(null); + + // + // This hack is needed because the `__proto__` property is still inherited in + // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5. + // + if (!new Events().__proto__) prefix = false; +} + +/** + * Representation of a single event listener. + * + * @param {Function} fn The listener function. + * @param {*} context The context to invoke the listener with. + * @param {Boolean} [once=false] Specify if the listener is a one-time listener. + * @constructor + * @private + */ +function EE(fn, context, once) { + this.fn = fn; + this.context = context; + this.once = once || false; +} + +/** + * Add a listener for a given event. + * + * @param {EventEmitter} emitter Reference to the `EventEmitter` instance. + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} context The context to invoke the listener with. + * @param {Boolean} once Specify if the listener is a one-time listener. + * @returns {EventEmitter} + * @private + */ +function addListener(emitter, event, fn, context, once) { + if (typeof fn !== 'function') { + throw new TypeError('The listener must be a function'); + } + + var listener = new EE(fn, context || emitter, once) + , evt = prefix ? prefix + event : event; + + if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++; + else if (!emitter._events[evt].fn) emitter._events[evt].push(listener); + else emitter._events[evt] = [emitter._events[evt], listener]; + + return emitter; +} + +/** + * Clear event by name. + * + * @param {EventEmitter} emitter Reference to the `EventEmitter` instance. + * @param {(String|Symbol)} evt The Event name. + * @private + */ +function clearEvent(emitter, evt) { + if (--emitter._eventsCount === 0) emitter._events = new Events(); + else delete emitter._events[evt]; +} + +/** + * Minimal `EventEmitter` interface that is molded against the Node.js + * `EventEmitter` interface. + * + * @constructor + * @public + */ +function EventEmitter() { + this._events = new Events(); + this._eventsCount = 0; +} + +/** + * Return an array listing the events for which the emitter has registered + * listeners. + * + * @returns {Array} + * @public + */ +EventEmitter.prototype.eventNames = function eventNames() { + var names = [] + , events + , name; + + if (this._eventsCount === 0) return names; + + for (name in (events = this._events)) { + if (has.call(events, name)) names.push(prefix ? name.slice(1) : name); + } + + if (Object.getOwnPropertySymbols) { + return names.concat(Object.getOwnPropertySymbols(events)); + } + + return names; +}; + +/** + * Return the listeners registered for a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Array} The registered listeners. + * @public + */ +EventEmitter.prototype.listeners = function listeners(event) { + var evt = prefix ? prefix + event : event + , handlers = this._events[evt]; + + if (!handlers) return []; + if (handlers.fn) return [handlers.fn]; + + for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) { + ee[i] = handlers[i].fn; + } + + return ee; +}; + +/** + * Return the number of listeners listening to a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Number} The number of listeners. + * @public + */ +EventEmitter.prototype.listenerCount = function listenerCount(event) { + var evt = prefix ? prefix + event : event + , listeners = this._events[evt]; + + if (!listeners) return 0; + if (listeners.fn) return 1; + return listeners.length; +}; + +/** + * Calls each of the listeners registered for a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Boolean} `true` if the event had listeners, else `false`. + * @public + */ +EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) { + var evt = prefix ? prefix + event : event; + + if (!this._events[evt]) return false; + + var listeners = this._events[evt] + , len = arguments.length + , args + , i; + + if (listeners.fn) { + if (listeners.once) this.removeListener(event, listeners.fn, undefined, true); + + switch (len) { + case 1: return listeners.fn.call(listeners.context), true; + case 2: return listeners.fn.call(listeners.context, a1), true; + case 3: return listeners.fn.call(listeners.context, a1, a2), true; + case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true; + case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true; + case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true; + } + + for (i = 1, args = new Array(len -1); i < len; i++) { + args[i - 1] = arguments[i]; + } + + listeners.fn.apply(listeners.context, args); + } else { + var length = listeners.length + , j; + + for (i = 0; i < length; i++) { + if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true); + + switch (len) { + case 1: listeners[i].fn.call(listeners[i].context); break; + case 2: listeners[i].fn.call(listeners[i].context, a1); break; + case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break; + case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break; + default: + if (!args) for (j = 1, args = new Array(len -1); j < len; j++) { + args[j - 1] = arguments[j]; + } + + listeners[i].fn.apply(listeners[i].context, args); + } + } + } + + return true; +}; + +/** + * Add a listener for a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} [context=this] The context to invoke the listener with. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.on = function on(event, fn, context) { + return addListener(this, event, fn, context, false); +}; + +/** + * Add a one-time listener for a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} [context=this] The context to invoke the listener with. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.once = function once(event, fn, context) { + return addListener(this, event, fn, context, true); +}; + +/** + * Remove the listeners of a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn Only remove the listeners that match this function. + * @param {*} context Only remove the listeners that have this context. + * @param {Boolean} once Only remove one-time listeners. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) { + var evt = prefix ? prefix + event : event; + + if (!this._events[evt]) return this; + if (!fn) { + clearEvent(this, evt); + return this; + } + + var listeners = this._events[evt]; + + if (listeners.fn) { + if ( + listeners.fn === fn && + (!once || listeners.once) && + (!context || listeners.context === context) + ) { + clearEvent(this, evt); + } + } else { + for (var i = 0, events = [], length = listeners.length; i < length; i++) { + if ( + listeners[i].fn !== fn || + (once && !listeners[i].once) || + (context && listeners[i].context !== context) + ) { + events.push(listeners[i]); + } + } + + // + // Reset the array, or remove it completely if we have no more listeners. + // + if (events.length) this._events[evt] = events.length === 1 ? events[0] : events; + else clearEvent(this, evt); + } + + return this; +}; + +/** + * Remove all listeners, or those of the specified event. + * + * @param {(String|Symbol)} [event] The event name. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) { + var evt; + + if (event) { + evt = prefix ? prefix + event : event; + if (this._events[evt]) clearEvent(this, evt); + } else { + this._events = new Events(); + this._eventsCount = 0; + } + + return this; +}; + +// +// Alias methods names because people roll like that. +// +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; +EventEmitter.prototype.addListener = EventEmitter.prototype.on; + +// +// Expose the prefix. +// +EventEmitter.prefixed = prefix; + +// +// Allow `EventEmitter` to be imported as module namespace. +// +EventEmitter.EventEmitter = EventEmitter; + +// +// Expose the module. +// +if ('undefined' !== typeof module) { + module.exports = EventEmitter; +} diff --git a/src/node_modules/eventemitter3/package.json b/src/node_modules/eventemitter3/package.json new file mode 100644 index 0000000..3c575b4 --- /dev/null +++ b/src/node_modules/eventemitter3/package.json @@ -0,0 +1,56 @@ +{ + "name": "eventemitter3", + "version": "4.0.7", + "description": "EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.", + "main": "index.js", + "typings": "index.d.ts", + "scripts": { + "browserify": "rm -rf umd && mkdir umd && browserify index.js -s EventEmitter3 -o umd/eventemitter3.js", + "minify": "uglifyjs umd/eventemitter3.js --source-map -cm -o umd/eventemitter3.min.js", + "benchmark": "find benchmarks/run -name '*.js' -exec benchmarks/start.sh {} \\;", + "test": "nyc --reporter=html --reporter=text mocha test/test.js", + "prepublishOnly": "npm run browserify && npm run minify", + "test-browser": "node test/browser.js" + }, + "files": [ + "index.js", + "index.d.ts", + "umd" + ], + "repository": { + "type": "git", + "url": "git://github.com/primus/eventemitter3.git" + }, + "keywords": [ + "EventEmitter", + "EventEmitter2", + "EventEmitter3", + "Events", + "addEventListener", + "addListener", + "emit", + "emits", + "emitter", + "event", + "once", + "pub/sub", + "publish", + "reactor", + "subscribe" + ], + "author": "Arnout Kazemier", + "license": "MIT", + "bugs": { + "url": "https://github.com/primus/eventemitter3/issues" + }, + "devDependencies": { + "assume": "^2.2.0", + "browserify": "^16.5.0", + "mocha": "^8.0.1", + "nyc": "^15.1.0", + "pre-commit": "^1.2.0", + "sauce-browsers": "^2.0.0", + "sauce-test": "^1.3.3", + "uglify-js": "^3.9.0" + } +} diff --git a/src/node_modules/eventemitter3/umd/eventemitter3.js b/src/node_modules/eventemitter3/umd/eventemitter3.js new file mode 100644 index 0000000..888fcb8 --- /dev/null +++ b/src/node_modules/eventemitter3/umd/eventemitter3.js @@ -0,0 +1,340 @@ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.EventEmitter3 = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){ +'use strict'; + +var has = Object.prototype.hasOwnProperty + , prefix = '~'; + +/** + * Constructor to create a storage for our `EE` objects. + * An `Events` instance is a plain object whose properties are event names. + * + * @constructor + * @private + */ +function Events() {} + +// +// We try to not inherit from `Object.prototype`. In some engines creating an +// instance in this way is faster than calling `Object.create(null)` directly. +// If `Object.create(null)` is not supported we prefix the event names with a +// character to make sure that the built-in object properties are not +// overridden or used as an attack vector. +// +if (Object.create) { + Events.prototype = Object.create(null); + + // + // This hack is needed because the `__proto__` property is still inherited in + // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5. + // + if (!new Events().__proto__) prefix = false; +} + +/** + * Representation of a single event listener. + * + * @param {Function} fn The listener function. + * @param {*} context The context to invoke the listener with. + * @param {Boolean} [once=false] Specify if the listener is a one-time listener. + * @constructor + * @private + */ +function EE(fn, context, once) { + this.fn = fn; + this.context = context; + this.once = once || false; +} + +/** + * Add a listener for a given event. + * + * @param {EventEmitter} emitter Reference to the `EventEmitter` instance. + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} context The context to invoke the listener with. + * @param {Boolean} once Specify if the listener is a one-time listener. + * @returns {EventEmitter} + * @private + */ +function addListener(emitter, event, fn, context, once) { + if (typeof fn !== 'function') { + throw new TypeError('The listener must be a function'); + } + + var listener = new EE(fn, context || emitter, once) + , evt = prefix ? prefix + event : event; + + if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++; + else if (!emitter._events[evt].fn) emitter._events[evt].push(listener); + else emitter._events[evt] = [emitter._events[evt], listener]; + + return emitter; +} + +/** + * Clear event by name. + * + * @param {EventEmitter} emitter Reference to the `EventEmitter` instance. + * @param {(String|Symbol)} evt The Event name. + * @private + */ +function clearEvent(emitter, evt) { + if (--emitter._eventsCount === 0) emitter._events = new Events(); + else delete emitter._events[evt]; +} + +/** + * Minimal `EventEmitter` interface that is molded against the Node.js + * `EventEmitter` interface. + * + * @constructor + * @public + */ +function EventEmitter() { + this._events = new Events(); + this._eventsCount = 0; +} + +/** + * Return an array listing the events for which the emitter has registered + * listeners. + * + * @returns {Array} + * @public + */ +EventEmitter.prototype.eventNames = function eventNames() { + var names = [] + , events + , name; + + if (this._eventsCount === 0) return names; + + for (name in (events = this._events)) { + if (has.call(events, name)) names.push(prefix ? name.slice(1) : name); + } + + if (Object.getOwnPropertySymbols) { + return names.concat(Object.getOwnPropertySymbols(events)); + } + + return names; +}; + +/** + * Return the listeners registered for a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Array} The registered listeners. + * @public + */ +EventEmitter.prototype.listeners = function listeners(event) { + var evt = prefix ? prefix + event : event + , handlers = this._events[evt]; + + if (!handlers) return []; + if (handlers.fn) return [handlers.fn]; + + for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) { + ee[i] = handlers[i].fn; + } + + return ee; +}; + +/** + * Return the number of listeners listening to a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Number} The number of listeners. + * @public + */ +EventEmitter.prototype.listenerCount = function listenerCount(event) { + var evt = prefix ? prefix + event : event + , listeners = this._events[evt]; + + if (!listeners) return 0; + if (listeners.fn) return 1; + return listeners.length; +}; + +/** + * Calls each of the listeners registered for a given event. + * + * @param {(String|Symbol)} event The event name. + * @returns {Boolean} `true` if the event had listeners, else `false`. + * @public + */ +EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) { + var evt = prefix ? prefix + event : event; + + if (!this._events[evt]) return false; + + var listeners = this._events[evt] + , len = arguments.length + , args + , i; + + if (listeners.fn) { + if (listeners.once) this.removeListener(event, listeners.fn, undefined, true); + + switch (len) { + case 1: return listeners.fn.call(listeners.context), true; + case 2: return listeners.fn.call(listeners.context, a1), true; + case 3: return listeners.fn.call(listeners.context, a1, a2), true; + case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true; + case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true; + case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true; + } + + for (i = 1, args = new Array(len -1); i < len; i++) { + args[i - 1] = arguments[i]; + } + + listeners.fn.apply(listeners.context, args); + } else { + var length = listeners.length + , j; + + for (i = 0; i < length; i++) { + if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true); + + switch (len) { + case 1: listeners[i].fn.call(listeners[i].context); break; + case 2: listeners[i].fn.call(listeners[i].context, a1); break; + case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break; + case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break; + default: + if (!args) for (j = 1, args = new Array(len -1); j < len; j++) { + args[j - 1] = arguments[j]; + } + + listeners[i].fn.apply(listeners[i].context, args); + } + } + } + + return true; +}; + +/** + * Add a listener for a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} [context=this] The context to invoke the listener with. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.on = function on(event, fn, context) { + return addListener(this, event, fn, context, false); +}; + +/** + * Add a one-time listener for a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn The listener function. + * @param {*} [context=this] The context to invoke the listener with. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.once = function once(event, fn, context) { + return addListener(this, event, fn, context, true); +}; + +/** + * Remove the listeners of a given event. + * + * @param {(String|Symbol)} event The event name. + * @param {Function} fn Only remove the listeners that match this function. + * @param {*} context Only remove the listeners that have this context. + * @param {Boolean} once Only remove one-time listeners. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) { + var evt = prefix ? prefix + event : event; + + if (!this._events[evt]) return this; + if (!fn) { + clearEvent(this, evt); + return this; + } + + var listeners = this._events[evt]; + + if (listeners.fn) { + if ( + listeners.fn === fn && + (!once || listeners.once) && + (!context || listeners.context === context) + ) { + clearEvent(this, evt); + } + } else { + for (var i = 0, events = [], length = listeners.length; i < length; i++) { + if ( + listeners[i].fn !== fn || + (once && !listeners[i].once) || + (context && listeners[i].context !== context) + ) { + events.push(listeners[i]); + } + } + + // + // Reset the array, or remove it completely if we have no more listeners. + // + if (events.length) this._events[evt] = events.length === 1 ? events[0] : events; + else clearEvent(this, evt); + } + + return this; +}; + +/** + * Remove all listeners, or those of the specified event. + * + * @param {(String|Symbol)} [event] The event name. + * @returns {EventEmitter} `this`. + * @public + */ +EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) { + var evt; + + if (event) { + evt = prefix ? prefix + event : event; + if (this._events[evt]) clearEvent(this, evt); + } else { + this._events = new Events(); + this._eventsCount = 0; + } + + return this; +}; + +// +// Alias methods names because people roll like that. +// +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; +EventEmitter.prototype.addListener = EventEmitter.prototype.on; + +// +// Expose the prefix. +// +EventEmitter.prefixed = prefix; + +// +// Allow `EventEmitter` to be imported as module namespace. +// +EventEmitter.EventEmitter = EventEmitter; + +// +// Expose the module. +// +if ('undefined' !== typeof module) { + module.exports = EventEmitter; +} + +},{}]},{},[1])(1) +}); diff --git a/src/node_modules/eventemitter3/umd/eventemitter3.min.js b/src/node_modules/eventemitter3/umd/eventemitter3.min.js new file mode 100644 index 0000000..2b1d2fb --- /dev/null +++ b/src/node_modules/eventemitter3/umd/eventemitter3.min.js @@ -0,0 +1 @@ +!function(e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).EventEmitter3=e()}(function(){return function i(s,f,c){function u(t,e){if(!f[t]){if(!s[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(a)return a(t,!0);var r=new Error("Cannot find module '"+t+"'");throw r.code="MODULE_NOT_FOUND",r}var o=f[t]={exports:{}};s[t][0].call(o.exports,function(e){return u(s[t][1][e]||e)},o,o.exports,i,s,f,c)}return f[t].exports}for(var a="function"==typeof require&&require,e=0;e<c.length;e++)u(c[e]);return u}({1:[function(e,t,n){"use strict";var r=Object.prototype.hasOwnProperty,v="~";function o(){}function f(e,t,n){this.fn=e,this.context=t,this.once=n||!1}function i(e,t,n,r,o){if("function"!=typeof n)throw new TypeError("The listener must be a function");var i=new f(n,r||e,o),s=v?v+t:t;return e._events[s]?e._events[s].fn?e._events[s]=[e._events[s],i]:e._events[s].push(i):(e._events[s]=i,e._eventsCount++),e}function u(e,t){0==--e._eventsCount?e._events=new o:delete e._events[t]}function s(){this._events=new o,this._eventsCount=0}Object.create&&(o.prototype=Object.create(null),(new o).__proto__||(v=!1)),s.prototype.eventNames=function(){var e,t,n=[];if(0===this._eventsCount)return n;for(t in e=this._events)r.call(e,t)&&n.push(v?t.slice(1):t);return Object.getOwnPropertySymbols?n.concat(Object.getOwnPropertySymbols(e)):n},s.prototype.listeners=function(e){var t=v?v+e:e,n=this._events[t];if(!n)return[];if(n.fn)return[n.fn];for(var r=0,o=n.length,i=new Array(o);r<o;r++)i[r]=n[r].fn;return i},s.prototype.listenerCount=function(e){var t=v?v+e:e,n=this._events[t];return n?n.fn?1:n.length:0},s.prototype.emit=function(e,t,n,r,o,i){var s=v?v+e:e;if(!this._events[s])return!1;var f,c=this._events[s],u=arguments.length;if(c.fn){switch(c.once&&this.removeListener(e,c.fn,void 0,!0),u){case 1:return c.fn.call(c.context),!0;case 2:return c.fn.call(c.context,t),!0;case 3:return c.fn.call(c.context,t,n),!0;case 4:return c.fn.call(c.context,t,n,r),!0;case 5:return c.fn.call(c.context,t,n,r,o),!0;case 6:return c.fn.call(c.context,t,n,r,o,i),!0}for(p=1,f=new Array(u-1);p<u;p++)f[p-1]=arguments[p];c.fn.apply(c.context,f)}else for(var a,l=c.length,p=0;p<l;p++)switch(c[p].once&&this.removeListener(e,c[p].fn,void 0,!0),u){case 1:c[p].fn.call(c[p].context);break;case 2:c[p].fn.call(c[p].context,t);break;case 3:c[p].fn.call(c[p].context,t,n);break;case 4:c[p].fn.call(c[p].context,t,n,r);break;default:if(!f)for(a=1,f=new Array(u-1);a<u;a++)f[a-1]=arguments[a];c[p].fn.apply(c[p].context,f)}return!0},s.prototype.on=function(e,t,n){return i(this,e,t,n,!1)},s.prototype.once=function(e,t,n){return i(this,e,t,n,!0)},s.prototype.removeListener=function(e,t,n,r){var o=v?v+e:e;if(!this._events[o])return this;if(!t)return u(this,o),this;var i=this._events[o];if(i.fn)i.fn!==t||r&&!i.once||n&&i.context!==n||u(this,o);else{for(var s=0,f=[],c=i.length;s<c;s++)(i[s].fn!==t||r&&!i[s].once||n&&i[s].context!==n)&&f.push(i[s]);f.length?this._events[o]=1===f.length?f[0]:f:u(this,o)}return this},s.prototype.removeAllListeners=function(e){var t;return e?(t=v?v+e:e,this._events[t]&&u(this,t)):(this._events=new o,this._eventsCount=0),this},s.prototype.off=s.prototype.removeListener,s.prototype.addListener=s.prototype.on,s.prefixed=v,s.EventEmitter=s,void 0!==t&&(t.exports=s)},{}]},{},[1])(1)});
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