From 686106d544ecc3b6ffd4db2b665d3bc879a58d8c Mon Sep 17 00:00:00 2001 From: Jules Laplace Date: Mon, 24 Sep 2012 16:22:07 -0400 Subject: ok --- node_modules/mocha/lib/browser/events.js | 178 +++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 node_modules/mocha/lib/browser/events.js (limited to 'node_modules/mocha/lib/browser/events.js') diff --git a/node_modules/mocha/lib/browser/events.js b/node_modules/mocha/lib/browser/events.js new file mode 100644 index 0000000..4d94ee1 --- /dev/null +++ b/node_modules/mocha/lib/browser/events.js @@ -0,0 +1,178 @@ + +/** + * Module exports. + */ + +exports.EventEmitter = EventEmitter; + +/** + * Check if `obj` is an array. + */ + +function isArray(obj) { + return '[object Array]' == {}.toString.call(obj); +} + +/** + * Event emitter constructor. + * + * @api public. + */ + +function EventEmitter(){}; + +/** + * Adds a listener. + * + * @api public + */ + +EventEmitter.prototype.on = function (name, fn) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = fn; + } else if (isArray(this.$events[name])) { + this.$events[name].push(fn); + } else { + this.$events[name] = [this.$events[name], fn]; + } + + return this; +}; + +EventEmitter.prototype.addListener = EventEmitter.prototype.on; + +/** + * Adds a volatile listener. + * + * @api public + */ + +EventEmitter.prototype.once = function (name, fn) { + var self = this; + + function on () { + self.removeListener(name, on); + fn.apply(this, arguments); + }; + + on.listener = fn; + this.on(name, on); + + return this; +}; + +/** + * Removes a listener. + * + * @api public + */ + +EventEmitter.prototype.removeListener = function (name, fn) { + if (this.$events && this.$events[name]) { + var list = this.$events[name]; + + if (isArray(list)) { + var pos = -1; + + for (var i = 0, l = list.length; i < l; i++) { + if (list[i] === fn || (list[i].listener && list[i].listener === fn)) { + pos = i; + break; + } + } + + if (pos < 0) { + return this; + } + + list.splice(pos, 1); + + if (!list.length) { + delete this.$events[name]; + } + } else if (list === fn || (list.listener && list.listener === fn)) { + delete this.$events[name]; + } + } + + return this; +}; + +/** + * Removes all listeners for an event. + * + * @api public + */ + +EventEmitter.prototype.removeAllListeners = function (name) { + if (name === undefined) { + this.$events = {}; + return this; + } + + if (this.$events && this.$events[name]) { + this.$events[name] = null; + } + + return this; +}; + +/** + * Gets all listeners for a certain event. + * + * @api publci + */ + +EventEmitter.prototype.listeners = function (name) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = []; + } + + if (!isArray(this.$events[name])) { + this.$events[name] = [this.$events[name]]; + } + + return this.$events[name]; +}; + +/** + * Emits an event. + * + * @api public + */ + +EventEmitter.prototype.emit = function (name) { + if (!this.$events) { + return false; + } + + var handler = this.$events[name]; + + if (!handler) { + return false; + } + + var args = [].slice.call(arguments, 1); + + if ('function' == typeof handler) { + handler.apply(this, args); + } else if (isArray(handler)) { + var listeners = handler.slice(); + + for (var i = 0, l = listeners.length; i < l; i++) { + listeners[i].apply(this, args); + } + } else { + return false; + } + + return true; +}; \ No newline at end of file -- cgit v1.2.3-70-g09d2