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Remove negative lookahead & cache regexps

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This commit is contained in:
Rob Garrison 2017-12-30 23:17:03 -06:00
parent e1ec441fa6
commit 31af1cf343
1 changed files with 7 additions and 3 deletions
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10
manage/manage.js
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@ -231,6 +231,10 @@ function createStyleTargetsElement({entry, style, iconsOnly}) {
const parts = createStyleElement.parts;
const entryTargets = $('.targets', entry);
const targets = iconsOnly ? entryTargets : parts.targets.cloneNode(true);
const regexpRemoveNegativeLookAhead = /(\?!([^)]+\)))/g;
const regexpMatchRegExp = /\w+[\\.(]+(com|org|co|net|im|io)\b/g;
const regexpReplaceExtraCharacters = /[\\(]/g;
const regexpMatchDomain = /^.*?:\/\/([^/]+)/;
let container = targets;
let numTargets = 0;
const displayed = new Set();
@ -255,10 +259,10 @@ function createStyleTargetsElement({entry, style, iconsOnly}) {
} else if (targetValue.startsWith('chrome-extension:') || targetValue.startsWith('moz-extension:')) {
favicon = OWN_ICON;
} else if (type === 'regexps') {
favicon = targetValue.match(/\w+[\\.(]+(com|org|co|net|im|io)\b/g);
favicon = favicon ? GET_FAVICON_URL + favicon.shift().replace(/[\\(]/g, '') : '';
favicon = targetValue.replace(regexpRemoveNegativeLookAhead, '').match(regexpMatchRegExp);
favicon = favicon ? GET_FAVICON_URL + favicon.shift().replace(regexpReplaceExtraCharacters, '') : '';
} else {
favicon = targetValue.includes('://') && targetValue.match(/^.*?:\/\/([^/]+)/);
favicon = targetValue.includes('://') && targetValue.match(regexpMatchDomain);
favicon = favicon ? GET_FAVICON_URL + favicon[1] : '';
}
if (favicon) {