function wpEmoji() {
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
- /**
- * Flag to determine if the browser and the OS support emoji.
- *
- * @since 4.2.0
- *
- * @var Boolean
- */
- supportsEmoji = false,
-
- /**
- * Flag to determine if the browser and the OS support flag (two character) emoji.
- *
- * @since 4.2.0
- *
- * @var Boolean
- */
- supportsFlagEmoji = false,
-
/**
* Flag to determine if we should replace emoji characters with images.
*
*/
replaceEmoji = false,
- isIE8 = window.navigator.userAgent.indexOf( 'IE 8' ) !== -1,
-
// Private
twemoji, timer,
+ loaded = false,
count = 0;
/**
* @since 4.2.0
*/
function load() {
+ if ( loaded ) {
+ return;
+ }
+
if ( typeof window.twemoji === 'undefined' ) {
// Break if waiting for longer than 30 sec.
if ( count > 600 ) {
}
twemoji = window.twemoji;
+ loaded = true;
if ( MutationObserver ) {
new MutationObserver( function( mutationRecords ) {
var i = mutationRecords.length,
- ii, node;
+ addedNodes, removedNodes, ii, node;
while ( i-- ) {
- ii = mutationRecords[ i ].addedNodes.length;
+ addedNodes = mutationRecords[ i ].addedNodes;
+ removedNodes = mutationRecords[ i ].removedNodes;
+ ii = addedNodes.length;
+
+ if (
+ ii === 1 && removedNodes.length === 1 &&
+ addedNodes[0].nodeType === 3 &&
+ removedNodes[0].nodeName === 'IMG' &&
+ addedNodes[0].data === removedNodes[0].alt
+ ) {
+ return;
+ }
while ( ii-- ) {
- node = mutationRecords[ i ].addedNodes[ ii ];
+ node = addedNodes[ ii ];
if ( node.nodeType === 3 ) {
node = node.parentNode;
}
- if ( node && node.nodeType === 1 ) {
+ if ( ! node || node.nodeType !== 1 ||
+ ( node.className && typeof node.className === 'string' && node.className.indexOf( 'wp-exclude-emoji' ) !== -1 ) ) {
+
+ continue;
+ }
+
+ if ( test( node.textContent ) ) {
parse( node );
}
}
parse( document.body );
}
+ /**
+ * Test if a text string contains emoji characters.
+ *
+ * @since 4.3.0
+ *
+ * @param {String} text The string to test
+ *
+ * @return {Boolean} Whether the string contains emoji characters.
+ */
+ function test( text ) {
+ // Single char. U+20E3 to detect keycaps. U+00A9 "copyright sign" and U+00AE "registered sign" not included.
+ 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]/,
+ // Surrogate pair range. Only tests for the second half.
+ pair = /[\uDC00-\uDFFF]/;
+
+ if ( text ) {
+ return pair.test( text ) || single.test( text );
+ }
+
+ return false;
+ }
+
/**
* Given an element or string, parse any emoji characters into Twemoji images.
*
* @param {Object} args Additional options for Twemoji.
*/
function parse( object, args ) {
- if ( ! replaceEmoji ) {
+ var params;
+
+ if ( ! replaceEmoji || ! twemoji || ! object ||
+ ( 'string' !== typeof object && ( ! object.childNodes || ! object.childNodes.length ) ) ) {
+
return object;
}
args = args || {};
-
- return twemoji.parse( object, {
+ params = {
base: settings.baseUrl,
ext: settings.ext,
className: args.className || 'emoji',
- imgAttr: args.imgAttr,
callback: function( icon, options ) {
// Ignore some standard characters that TinyMCE recommends in its character map.
switch ( icon ) {
return false;
}
- if ( ! supportsFlagEmoji && supportsEmoji &&
+ if ( ! settings.supports.flag && settings.supports.simple &&
! /^1f1(?:e[6-9a-f]|f[0-9a-f])-1f1(?:e[6-9a-f]|f[0-9a-f])$/.test( icon ) ) {
return false;
return ''.concat( options.base, icon, options.ext );
}
- } );
- }
+ };
- // Load when the readyState changes to 'interactive', not 'complete'.
- function onLoad() {
- if ( ( ! isIE8 && 'interactive' === document.readyState ) || ( isIE8 && 'complete' === document.readyState ) ) {
- load();
+ if ( typeof args.imgAttr === 'object' ) {
+ params.attributes = function() {
+ return args.imgAttr;
+ };
}
+
+ return twemoji.parse( object, params );
}
/**
* Initialize our emoji support, and set up listeners.
*/
if ( settings ) {
- supportsEmoji = window._wpemojiSettings.supports.simple;
- supportsFlagEmoji = window._wpemojiSettings.supports.flag;
- replaceEmoji = ! supportsEmoji || ! supportsFlagEmoji;
-
- if ( ( ! isIE8 && 'loading' === document.readyState ) || ( isIE8 && 'complete' !== document.readyState ) ) {
- if ( document.addEventListener ) {
- document.addEventListener( 'readystatechange', onLoad, false );
- } else if ( document.attachEvent ) {
- document.attachEvent( 'onreadystatechange', onLoad );
- }
- } else {
+ replaceEmoji = ! settings.supports.simple || ! settings.supports.flag;
+
+ if ( settings.DOMReady ) {
load();
+ } else {
+ settings.readyCallback = load;
}
}
return {
replaceEmoji: replaceEmoji,
- parse: parse
+ parse: parse,
+ test: test
};
}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff