2 ( function( window, settings ) {
4 var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
6 // Compression and maintain local scope
7 document = window.document,
13 ie11 = window.navigator.userAgent.indexOf( 'Trident/7.0' ) > 0;
16 * Detect if the browser supports SVG.
20 * @return {Boolean} True if the browser supports svg, false if not.
22 function browserSupportsSvgAsImage() {
23 if ( !! document.implementation.hasFeature ) {
25 // https://github.com/Modernizr/Modernizr/blob/master/feature-detects/svg/asimg.js
26 return document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' );
29 // document.implementation.hasFeature is deprecated. It can be presumed
30 // if future browsers remove it, the browser will support SVGs as images.
35 * Runs when the document load event is fired, so we can do our first parse of the page.
44 if ( typeof window.twemoji === 'undefined' ) {
45 // Break if waiting for longer than 30 sec.
51 window.clearTimeout( timer );
52 timer = window.setTimeout( load, 50 );
58 twemoji = window.twemoji;
61 if ( MutationObserver ) {
62 new MutationObserver( function( mutationRecords ) {
63 var i = mutationRecords.length,
64 addedNodes, removedNodes, ii, node;
67 addedNodes = mutationRecords[ i ].addedNodes;
68 removedNodes = mutationRecords[ i ].removedNodes;
69 ii = addedNodes.length;
72 ii === 1 && removedNodes.length === 1 &&
73 addedNodes[0].nodeType === 3 &&
74 removedNodes[0].nodeName === 'IMG' &&
75 addedNodes[0].data === removedNodes[0].alt &&
76 'load-failed' === removedNodes[0].getAttribute( 'data-error' )
82 node = addedNodes[ ii ];
84 if ( node.nodeType === 3 ) {
85 if ( ! node.parentNode ) {
91 * IE 11's implementation of MutationObserver is buggy.
92 * It unnecessarily splits text nodes when it encounters a HTML
93 * template interpolation symbol ( "{{", for example ). So, we
94 * join the text nodes back together as a work-around.
96 while( node.nextSibling && 3 === node.nextSibling.nodeType ) {
97 node.nodeValue = node.nodeValue + node.nextSibling.nodeValue;
98 node.parentNode.removeChild( node.nextSibling );
102 node = node.parentNode;
105 if ( ! node || node.nodeType !== 1 ||
106 ( node.className && typeof node.className === 'string' && node.className.indexOf( 'wp-exclude-emoji' ) !== -1 ) ) {
111 if ( test( node.textContent ) ) {
116 } ).observe( document.body, {
122 parse( document.body );
126 * Test if a text string contains emoji characters.
130 * @param {String} text The string to test
132 * @return {Boolean} Whether the string contains emoji characters.
134 function test( text ) {
135 // Single char. U+20E3 to detect keycaps. U+00A9 "copyright sign" and U+00AE "registered sign" not included.
136 var single = /[\u203C\u2049\u20E3\u2122\u2139\u2194-\u2199\u21A9\u21AA\u2300\u231A\u231B\u2328\u2388\u23CF\u23E9-\u23F3\u23F8-\u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB-\u25FE\u2600-\u2604\u260E\u2611\u2614\u2615\u2618\u261D\u2620\u2622\u2623\u2626\u262A\u262E\u262F\u2638\u2639\u263A\u2648-\u2653\u2660\u2663\u2665\u2666\u2668\u267B\u267F\u2692\u2693\u2694\u2696\u2697\u2699\u269B\u269C\u26A0\u26A1\u26AA\u26AB\u26B0\u26B1\u26BD\u26BE\u26C4\u26C5\u26C8\u26CE\u26CF\u26D1\u26D3\u26D4\u26E9\u26EA\u26F0-\u26F5\u26F7-\u26FA\u26FD\u2702\u2705\u2708-\u270D\u270F\u2712\u2714\u2716\u271D\u2721\u2728\u2733\u2734\u2744\u2747\u274C\u274E\u2753\u2754\u2755\u2757\u2763\u2764\u2795\u2796\u2797\u27A1\u27B0\u27BF\u2934\u2935\u2B05\u2B06\u2B07\u2B1B\u2B1C\u2B50\u2B55\u3030\u303D\u3297\u3299]/,
137 // Surrogate pair range. Only tests for the second half.
138 pair = /[\uDC00-\uDFFF]/;
141 return pair.test( text ) || single.test( text );
148 * Given an element or string, parse any emoji characters into Twemoji images.
152 * @param {HTMLElement|String} object The element or string to parse.
153 * @param {Object} args Additional options for Twemoji.
155 function parse( object, args ) {
158 if ( settings.supports.everything || ! twemoji || ! object ||
159 ( 'string' !== typeof object && ( ! object.childNodes || ! object.childNodes.length ) ) ) {
166 base: browserSupportsSvgAsImage() ? settings.svgUrl : settings.baseUrl,
167 ext: browserSupportsSvgAsImage() ? settings.svgExt : settings.ext,
168 className: args.className || 'emoji',
169 callback: function( icon, options ) {
170 // Ignore some standard characters that TinyMCE recommends in its character map.
183 if ( settings.supports.everythingExceptFlag &&
184 ! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) && // Country flags
185 ! /^(1f3f3-fe0f-200d-1f308|1f3f4-200d-2620-fe0f)$/.test( icon ) // Rainbow and pirate flags
190 return ''.concat( options.base, icon, options.ext );
192 onerror: function() {
193 if ( twemoji.parentNode ) {
194 this.setAttribute( 'data-error', 'load-failed' );
195 twemoji.parentNode.replaceChild( document.createTextNode( twemoji.alt ), twemoji );
200 if ( typeof args.imgAttr === 'object' ) {
201 params.attributes = function() {
206 return twemoji.parse( object, params );
210 * Initialize our emoji support, and set up listeners.
213 if ( settings.DOMReady ) {
216 settings.readyCallback = load;
226 window.wp = window.wp || {};
227 window.wp.emoji = new wpEmoji();
229 } )( window, window._wpemojiSettings );