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[Glitch] Remove use of DOMParser in front-end emoji rewriting code 

Port 585cc1a604 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>
pull/41/head
Claire 2022-11-17 11:24:59 +01:00
parent 4b449fff23
commit c22f3a87a3
1 changed files with 16 additions and 7 deletions
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23
app/javascript/flavours/glitch/features/emoji/emoji.js
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@ -19,8 +19,6 @@ const emojiFilename = (filename) => {
return borderedEmoji.includes(filename) ? (filename + '_border') : filename; return borderedEmoji.includes(filename) ? (filename + '_border') : filename;
}; };
const domParser = new DOMParser();
const emojifyTextNode = (node, customEmojis) => { const emojifyTextNode = (node, customEmojis) => {
let str = node.textContent; let str = node.textContent;
@ -39,7 +37,7 @@ const emojifyTextNode = (node, customEmojis) => {
} }
} }
let rend, replacement = ''; let rend, replacement = null;
if (i === str.length) { if (i === str.length) {
break; break;
} else if (str[i] === ':') { } else if (str[i] === ':') {
@ -51,7 +49,14 @@ const emojifyTextNode = (node, customEmojis) => {
// if you want additional emoji handler, add statements below which set replacement and return true. // if you want additional emoji handler, add statements below which set replacement and return true.
if (shortname in customEmojis) { if (shortname in customEmojis) {
const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url; const filename = autoPlayGif ? customEmojis[shortname].url : customEmojis[shortname].static_url;
replacement = `<img draggable="false" class="emojione custom-emoji" alt="${shortname}" title="${shortname}" src="${filename}" data-original="${customEmojis[shortname].url}" data-static="${customEmojis[shortname].static_url}" />`; replacement = document.createElement('img');
replacement.setAttribute('draggable', false);
replacement.setAttribute('class', 'emojione custom-emoji');
replacement.setAttribute('alt', shortname);
replacement.setAttribute('title', shortname);
replacement.setAttribute('src', filename);
replacement.setAttribute('data-original', customEmojis[shortname].url);
replacement.setAttribute('data-static', customEmojis[shortname].static_url);
return true; return true;
} }
return false; return false;
@ -59,7 +64,12 @@ const emojifyTextNode = (node, customEmojis) => {
} else if (!useSystemEmojiFont) { // matched to unicode emoji } else if (!useSystemEmojiFont) { // matched to unicode emoji
const { filename, shortCode } = unicodeMapping[match]; const { filename, shortCode } = unicodeMapping[match];
const title = shortCode ? `:${shortCode}:` : ''; const title = shortCode ? `:${shortCode}:` : '';
replacement = `<img draggable="false" class="emojione" alt="${match}" title="${title}" src="${assetHost}/emoji/${emojiFilename(filename)}.svg" />`; replacement = document.createElement('img');
replacement.setAttribute('draggable', false);
replacement.setAttribute('class', 'emojione');
replacement.setAttribute('alt', match);
replacement.setAttribute('title', title);
replacement.setAttribute('src', `${assetHost}/emoji/${emojiFilename(filename)}.svg`);
rend = i + match.length; rend = i + match.length;
// If the matched character was followed by VS15 (for selecting text presentation), skip it. // If the matched character was followed by VS15 (for selecting text presentation), skip it.
if (str.codePointAt(rend) === 65038) { if (str.codePointAt(rend) === 65038) {
@ -69,9 +79,8 @@ const emojifyTextNode = (node, customEmojis) => {
fragment.append(document.createTextNode(str.slice(0, i))); fragment.append(document.createTextNode(str.slice(0, i)));
if (replacement) { if (replacement) {
fragment.append(domParser.parseFromString(replacement, 'text/html').documentElement.getElementsByTagName('img')[0]); fragment.append(replacement);
} }
node.textContent = str.slice(0, i);
str = str.slice(rend); str = str.slice(rend);
} }