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Merge pull request #723 from kurros/emojiopt

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optimize what gets passed to emojione.unicodeToImage
This commit is contained in:
Lorenz Hübschle-Schneider 2016-01-03 09:08:54 +01:00
commit 48afda9c56
1 changed files with 8 additions and 1 deletions
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7
js/filters.js
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@ -161,10 +161,17 @@ weechat.filter('getBufferQuickKeys', function () {
weechat.filter('emojify', function() { weechat.filter('emojify', function() {
return function(text, enable_JS_Emoji) { return function(text, enable_JS_Emoji) {
if (enable_JS_Emoji === true && window.emojione !== undefined) { if (enable_JS_Emoji === true && window.emojione !== undefined) {
// Emoji live in the D800-DFFF surrogate plane; only bother passing
// this range to CPU-expensive unicodeToImage();
var emojiRegex = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
if (emojiRegex.test(text)) {
return emojione.unicodeToImage(text); return emojione.unicodeToImage(text);
} else { } else {
return(text); return(text);
} }
} else {
return(text);
}
}; };
}); });