diff options
Diffstat (limited to 'app/javascript/mastodon/features/emoji/emoji.js')
-rw-r--r-- | app/javascript/mastodon/features/emoji/emoji.js | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/app/javascript/mastodon/features/emoji/emoji.js b/app/javascript/mastodon/features/emoji/emoji.js index bda33ca26..0f005dd50 100644 --- a/app/javascript/mastodon/features/emoji/emoji.js +++ b/app/javascript/mastodon/features/emoji/emoji.js @@ -7,10 +7,12 @@ const trie = new Trie(Object.keys(unicodeMapping)); const assetHost = process.env.CDN_HOST || ''; const emojify = (str, customEmojis = {}) => { - let rtn = ''; + const tagCharsWithoutEmojis = '<&'; + const tagCharsWithEmojis = Object.keys(customEmojis).length ? '<&:' : '<&'; + let rtn = '', tagChars = tagCharsWithEmojis, invisible = 0; for (;;) { let match, i = 0, tag; - while (i < str.length && (tag = '<&:'.indexOf(str[i])) === -1 && !(match = trie.search(str.slice(i)))) { + while (i < str.length && (tag = tagChars.indexOf(str[i])) === -1 && (invisible || !(match = trie.search(str.slice(i))))) { i += str.codePointAt(i) < 65536 ? 1 : 2; } let rend, replacement = ''; @@ -34,7 +36,26 @@ const emojify = (str, customEmojis = {}) => { })()) rend = ++i; } else if (tag >= 0) { // <, & rend = str.indexOf('>;'[tag], i + 1) + 1; - if (!rend) break; + if (!rend) { + break; + } + if (tag === 0) { + if (invisible) { + if (str[i + 1] === '/') { // closing tag + if (!--invisible) { + tagChars = tagCharsWithEmojis; + } + } else if (str[rend - 2] !== '/') { // opening tag + invisible++; + } + } else { + if (str.startsWith('<span class="invisible">', i)) { + // avoid emojifying on invisible text + invisible = 1; + tagChars = tagCharsWithoutEmojis; + } + } + } i = rend; } else { // matched to unicode emoji const { filename, shortCode } = unicodeMapping[match]; |