70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
(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.TinyEmitter = f()}})(function(){var define,module,exports;return (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})({1:[function(require,module,exports){
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function E () {
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// Keep this empty so it's easier to inherit from
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// (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
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}
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E.prototype = {
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on: function (name, callback, ctx) {
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var e = this.e || (this.e = {});
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(e[name] || (e[name] = [])).push({
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fn: callback,
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ctx: ctx
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});
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return this;
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},
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once: function (name, callback, ctx) {
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var self = this;
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function listener () {
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self.off(name, listener);
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callback.apply(ctx, arguments);
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};
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listener._ = callback
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return this.on(name, listener, ctx);
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},
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emit: function (name) {
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var data = [].slice.call(arguments, 1);
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var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
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var i = 0;
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var len = evtArr.length;
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for (i; i < len; i++) {
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evtArr[i].fn.apply(evtArr[i].ctx, data);
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}
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return this;
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},
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off: function (name, callback) {
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var e = this.e || (this.e = {});
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var evts = e[name];
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var liveEvents = [];
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if (evts && callback) {
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for (var i = 0, len = evts.length; i < len; i++) {
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if (evts[i].fn !== callback && evts[i].fn._ !== callback)
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liveEvents.push(evts[i]);
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}
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}
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// Remove event from queue to prevent memory leak
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// Suggested by https://github.com/lazd
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// Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910
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(liveEvents.length)
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? e[name] = liveEvents
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: delete e[name];
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return this;
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}
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};
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module.exports = E;
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},{}]},{},[1])(1)
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}); |