131 lines
4.2 KiB
JavaScript
131 lines
4.2 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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;(function() {
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'use strict';
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window.emoji_util = window.emoji_util || {};
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// EmojiConverter overrides
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EmojiConvertor.prototype.init_env = function() {
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if (this.inits.env) {
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return;
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}
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this.inits.env = 1;
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this.include_title = true;
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this.img_sets.apple.path = 'images/emoji/apple/';
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this.replace_mode = 'img';
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};
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EmojiConvertor.prototype.getCountOfAllMatches = function(str, regex) {
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var match = regex.exec(str);
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var count = 0;
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if (!regex.global) {
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return match ? 1 : 0;
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}
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while (match) {
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count += 1;
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match = regex.exec(str);
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}
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return count;
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};
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EmojiConvertor.prototype.hasNormalCharacters = function(str) {
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var self = this;
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var noEmoji = str.replace(self.rx_unified, '').trim();
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return noEmoji.length > 0;
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};
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EmojiConvertor.prototype.getSizeClass = function(str) {
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var self = this;
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if (self.hasNormalCharacters(str)) {
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return '';
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}
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var emojiCount = self.getCountOfAllMatches(str, self.rx_unified);
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if (emojiCount > 8) {
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return '';
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}
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else if (emojiCount > 6) {
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return 'small';
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}
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else if (emojiCount > 4) {
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return 'medium';
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}
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else if (emojiCount > 2) {
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return 'large';
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}
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else {
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return 'jumbo';
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}
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};
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// A stripped-down version of the original: https://github.com/WhisperSystems/Signal-Desktop/blob/aed573562018462fbacd8f2f715e9daeddcde0dd/components/emojijs/lib/emoji.js#L323-L396
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// One primary change - we inject the second parameter as an additional class
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EmojiConvertor.prototype.replacement = function(idx, sizeClass, actual, wrapper, variation) {
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var self = this;
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var img_set = self.img_set;
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var extra = '';
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var variation_idx = 0;
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if (typeof variation === 'object') {
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extra = self.replacement(variation.idx, null, variation.actual, variation.wrapper);
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variation_idx = idx + '-' + variation.idx;
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}
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var img = self.data[idx][7] || self.img_sets[img_set].path + idx + '.png' + self.img_suffix;
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var title = self.include_title ? ' title="' + (actual || self.data[idx][3][0]) + '"' : '';
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if (variation_idx && self.variations_data[variation_idx] && self.variations_data[variation_idx][2] && !self.data[idx][7]) {
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if (self.variations_data[variation_idx][2] & self.img_sets[self.img_set].mask) {
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img = self.img_sets[self.img_set].path + variation_idx + '.png';
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extra = '';
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}
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}
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return '<img src="' + img + '" class="emoji' + (sizeClass ? ' ' + sizeClass : '') + '"' + title + '/>';
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};
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// Modeled after the original: https://github.com/WhisperSystems/Signal-Desktop/blob/aed573562018462fbacd8f2f715e9daeddcde0dd/components/emojijs/lib/emoji.js#L265-L286
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EmojiConvertor.prototype.replace_unified = function(str) {
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var self = this;
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self.init_unified();
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var sizeClass = self.getSizeClass(str);
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return str.replace(self.rx_unified, function(m, p1, p2) {
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var val = self.map.unified[p1];
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if (!val) { return m; }
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var idx = null;
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if (p2 == '\uD83C\uDFFB') { idx = '1f3fb'; }
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if (p2 == '\uD83C\uDFFC') { idx = '1f3fc'; }
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if (p2 == '\uD83C\uDFFD') { idx = '1f3fd'; }
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if (p2 == '\uD83C\uDFFE') { idx = '1f3fe'; }
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if (p2 == '\uD83C\uDFFF') { idx = '1f3ff'; }
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if (idx) {
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return self.replacement(val, sizeClass, null, null, {
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idx : idx,
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actual : p2,
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wrapper : ':'
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});
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}
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// wrap names in :'s
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return self.replacement(val, sizeClass, ':' + self.data[val][3][0] + ':');
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});
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};
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window.emoji = new EmojiConvertor();
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emoji.init_colons();
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window.emoji_util.parse = function($el) {
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if (!$el || !$el.length) {
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return;
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}
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$el.html(emoji.replace_unified($el.html()));
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};
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})();
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