81 lines
1.7 KiB
JavaScript
81 lines
1.7 KiB
JavaScript
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/*!
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* docReady v1.0.4
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* Cross browser DOMContentLoaded event emitter
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* MIT license
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*/
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/*jshint browser: true, strict: true, undef: true, unused: true*/
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/*global define: false, require: false, module: false */
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( function( window ) {
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'use strict';
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var document = window.document;
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// collection of functions to be triggered on ready
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var queue = [];
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function docReady( fn ) {
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// throw out non-functions
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if ( typeof fn !== 'function' ) {
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return;
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}
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if ( docReady.isReady ) {
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// ready now, hit it
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fn();
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} else {
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// queue function when ready
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queue.push( fn );
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}
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}
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docReady.isReady = false;
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// triggered on various doc ready events
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function onReady( event ) {
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// bail if already triggered or IE8 document is not ready just yet
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var isIE8NotReady = event.type === 'readystatechange' && document.readyState !== 'complete';
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if ( docReady.isReady || isIE8NotReady ) {
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return;
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}
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trigger();
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}
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function trigger() {
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docReady.isReady = true;
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// process queue
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for ( var i=0, len = queue.length; i < len; i++ ) {
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var fn = queue[i];
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fn();
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}
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}
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function defineDocReady( eventie ) {
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// trigger ready if page is ready
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if ( document.readyState === 'complete' ) {
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trigger();
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} else {
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// listen for events
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eventie.bind( document, 'DOMContentLoaded', onReady );
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eventie.bind( document, 'readystatechange', onReady );
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eventie.bind( window, 'load', onReady );
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}
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return docReady;
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}
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// transport
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if ( typeof define === 'function' && define.amd ) {
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// AMD
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define( [ 'eventie/eventie' ], defineDocReady );
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} else if ( typeof exports === 'object' ) {
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module.exports = defineDocReady( require('eventie') );
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} else {
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// browser global
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window.docReady = defineDocReady( window.eventie );
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}
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})( window );
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