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@ -29,15 +29,15 @@ const emojifyTextNode = (node, customEmojis) => { |
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let i = 0; |
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for (;;) { |
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let match; |
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let unicode_emoji; |
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// Skip to the next potential emoji to replace
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// Skip to the next potential emoji to replace (either custom emoji or custom emoji :shortcode:
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if (customEmojis === null) { |
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while (i < str.length && !(match = trie.search(str.slice(i)))) { |
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while (i < str.length && !(unicode_emoji = trie.search(str.slice(i)))) { |
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i += str.codePointAt(i) < 65536 ? 1 : 2; |
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} |
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} else { |
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while (i < str.length && str[i] !== ':' && !(match = trie.search(str.slice(i)))) { |
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while (i < str.length && str[i] !== ':' && !(unicode_emoji = trie.search(str.slice(i)))) { |
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i += str.codePointAt(i) < 65536 ? 1 : 2; |
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} |
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} |
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@ -48,29 +48,37 @@ const emojifyTextNode = (node, customEmojis) => { |
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} |
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let rend, replacement = null; |
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if (str[i] === ':') { // Potentially the start of a custom emoji shortcode
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if (!(rend = str.indexOf(':', i + 1) + 1)) { |
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continue; // no pair of ':'
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if (str[i] === ':') { // Potentially the start of a custom emoji :shortcode:
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rend = str.indexOf(':', i + 1) + 1; |
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// no matching ending ':', skip
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if (!rend) { |
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i++; |
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continue; |
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} |
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const shortname = str.slice(i, rend); |
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// now got a replacee as ':shortname:'
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// if you want additional emoji handler, add statements below which set replacement and return true.
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if (shortname in customEmojis) { |
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const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url; |
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replacement = document.createElement('img'); |
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replacement.setAttribute('draggable', 'false'); |
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replacement.setAttribute('class', 'emojione custom-emoji'); |
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replacement.setAttribute('alt', shortname); |
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replacement.setAttribute('title', shortname); |
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replacement.setAttribute('src', filename); |
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replacement.setAttribute('data-original', customEmojis[shortname].url); |
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replacement.setAttribute('data-static', customEmojis[shortname].static_url); |
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} else { |
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const shortcode = str.slice(i, rend); |
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const custom_emoji = customEmojis[shortcode]; |
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// not a recognized shortcode, skip
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if (!custom_emoji) { |
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i++; |
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continue; |
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} |
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} else { // matched to unicode emoji
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rend = i + match.length; |
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// now got a replacee as ':shortcode:'
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// if you want additional emoji handler, add statements below which set replacement and return true.
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const filename = autoPlayGif ? custom_emoji.url : custom_emoji.static_url; |
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replacement = document.createElement('img'); |
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replacement.setAttribute('draggable', 'false'); |
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replacement.setAttribute('class', 'emojione custom-emoji'); |
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replacement.setAttribute('alt', shortcode); |
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replacement.setAttribute('title', shortcode); |
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replacement.setAttribute('src', filename); |
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replacement.setAttribute('data-original', custom_emoji.url); |
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replacement.setAttribute('data-static', custom_emoji.static_url); |
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} else { // start of an unicode emoji
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rend = i + unicode_emoji.length; |
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// If the matched character was followed by VS15 (for selecting text presentation), skip it.
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if (str.codePointAt(rend - 1) !== VS16 && str.codePointAt(rend) === VS15) { |
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@ -78,13 +86,13 @@ const emojifyTextNode = (node, customEmojis) => { |
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continue; |
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} |
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const { filename, shortCode } = unicodeMapping[match]; |
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const { filename, shortCode } = unicodeMapping[unicode_emoji]; |
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const title = shortCode ? `:${shortCode}:` : ''; |
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replacement = document.createElement('img'); |
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replacement.setAttribute('draggable', 'false'); |
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replacement.setAttribute('class', 'emojione'); |
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replacement.setAttribute('alt', match); |
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replacement.setAttribute('alt', unicode_emoji); |
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replacement.setAttribute('title', title); |
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replacement.setAttribute('src', `${assetHost}/emoji/${emojiFilename(filename)}.svg`); |
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} |
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