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Replace lookbehind regex

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because older Safari doesn't support it
This commit is contained in:
Lim Chee Aun 2023-11-19 12:06:03 +08:00
parent 85bdaace58
commit eb203a0498
1 changed files with 6 additions and 6 deletions
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12
src/components/compose.jsx
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@ -107,20 +107,20 @@ function countableText(inputText) {
// https://github.com/mastodon/mastodon/blob/c03bd2a238741a012aa4b98dc4902d6cf948ab63/app/models/account.rb#L69
const USERNAME_RE = /[a-z0-9_]+([a-z0-9_.-]+[a-z0-9_]+)?/i;
const MENTION_RE = new RegExp(
`(?<![=\\/\\w])@((${USERNAME_RE.source})(?:@[\\w.-]+[\\w]+)?)`,
`(^|[^=\\/\\w])(@${USERNAME_RE.source}(?:@[\\w.-]+[\\w]+)?)`,
'ig',
);
// AI-generated, all other regexes are too complicated
const HASHTAG_RE = new RegExp(
`(?<![=\\/\\w])#([a-z0-9_]+([a-z0-9_.-]+[a-z0-9_]+)?)(?![\\/\\w])`,
`(^|[^=\\/\\w])(#[a-z0-9_]+([a-z0-9_.-]+[a-z0-9_]+)?)(?![\\/\\w])`,
'ig',
);
// https://github.com/mastodon/mastodon/blob/23e32a4b3031d1da8b911e0145d61b4dd47c4f96/app/models/custom_emoji.rb#L31
const SHORTCODE_RE_FRAGMENT = '[a-zA-Z0-9_]{2,}';
const SCAN_RE = new RegExp(
`(?<=[^A-Za-z0-9_:\\n]|^):(${SHORTCODE_RE_FRAGMENT}):(?=[^A-Za-z0-9_:]|$)`,
`([^A-Za-z0-9_:\\n]|^)(:${SHORTCODE_RE_FRAGMENT}:)(?=[^A-Za-z0-9_:]|$)`,
'g',
);
@ -142,11 +142,11 @@ function highlightText(text, { maxCharacters = Infinity }) {
html = html
.replace(urlRegexObj, '$2<mark class="compose-highlight-url">$3</mark>') // URLs
.replace(MENTION_RE, '<mark class="compose-highlight-mention">$&</mark>') // Mentions
.replace(HASHTAG_RE, '<mark class="compose-highlight-hashtag">#$1</mark>') // Hashtags
.replace(MENTION_RE, '$1<mark class="compose-highlight-mention">$2</mark>') // Mentions
.replace(HASHTAG_RE, '$1<mark class="compose-highlight-hashtag">$2</mark>') // Hashtags
.replace(
SCAN_RE,
'<mark class="compose-highlight-emoji-shortcode">$&</mark>',
'$1<mark class="compose-highlight-emoji-shortcode">$2</mark>',
); // Emoji shortcodes
return html + leftoverHTML;