showdown/src/subParsers/emoji.js

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/**
* These are all the transformations that occur *within* block-level
* tags like paragraphs, headers, and list items.
*/
showdown.subParser('emoji', function (text, options, globals) {
'use strict';
if (!options.emoji) {
return text;
}
text = globals.converter._dispatch('emoji.before', text, options, globals);
var emojiRgx = /:([\S]+?):/g;
text = text.replace(emojiRgx, function (wm, emojiCode) {
if (showdown.helper.emojis.hasOwnProperty(emojiCode)) {
return showdown.helper.emojis[emojiCode];
}
return wm;
});
text = globals.converter._dispatch('emoji.after', text, options, globals);
return text;
});