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Move styleCodeEmpty to util

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eight 2018-09-25 21:10:35 +08:00
parent 41ac66a137
commit a004bc3c7d
2 changed files with 27 additions and 24 deletions
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27
background/storage.js
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@ -1,9 +1,8 @@
/* global getStyleWithNoCode styleSectionsEqual */
/*
global getStyleWithNoCode styleSectionsEqual styleCodeEmpty RX_CSS_COMMENTS
*/
'use strict';
const RX_NAMESPACE = /\s*(@namespace\s+(?:\S+\s+)?url\(http:\/\/.*?\);)\s*/g;
const RX_CHARSET = /\s*@charset\s+(['"]).*?\1\s*;\s*/g;
const RX_CSS_COMMENTS = /\/\*[\s\S]*?(?:\*\/|$)/g;
// eslint-disable-next-line no-var
var SLOPPY_REGEXP_PREFIX = '\0';
@ -527,26 +526,6 @@ function getApplicableSections({
}
function styleCodeEmpty(code) {
// Collect the global section if it's not empty, not comment-only, not namespace-only.
const cmtOpen = code && code.indexOf('/*');
if (cmtOpen >= 0) {
const cmtCloseLast = code.lastIndexOf('*/');
if (cmtCloseLast < 0) {
code = code.substr(0, cmtOpen);
} else {
code = code.substr(0, cmtOpen) +
code.substring(cmtOpen, cmtCloseLast + 2).replace(RX_CSS_COMMENTS, '') +
code.substr(cmtCloseLast + 2);
}
}
if (!code || !code.trim()) return true;
if (code.includes('@namespace')) code = code.replace(RX_NAMESPACE, '').trim();
if (code.includes('@charset')) code = code.replace(RX_CHARSET, '').trim();
return !code;
}
function invalidateCache({added, updated, deletedId} = {}) {
if (!cachedStyles.list) return;
const id = added ? added.id : updated ? updated.id : deletedId;

24
background/util.js Normal file
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@ -0,0 +1,24 @@
'use strict';
const RX_NAMESPACE = /\s*(@namespace\s+(?:\S+\s+)?url\(http:\/\/.*?\);)\s*/g;
const RX_CHARSET = /\s*@charset\s+(['"]).*?\1\s*;\s*/g;
const RX_CSS_COMMENTS = /\/\*[\s\S]*?(?:\*\/|$)/g;
function styleCodeEmpty(code) {
// Collect the global section if it's not empty, not comment-only, not namespace-only.
const cmtOpen = code && code.indexOf('/*');
if (cmtOpen >= 0) {
const cmtCloseLast = code.lastIndexOf('*/');
if (cmtCloseLast < 0) {
code = code.substr(0, cmtOpen);
} else {
code = code.substr(0, cmtOpen) +
code.substring(cmtOpen, cmtCloseLast + 2).replace(RX_CSS_COMMENTS, '') +
code.substr(cmtCloseLast + 2);
}
}
if (!code || !code.trim()) return true;
if (code.includes('@namespace')) code = code.replace(RX_NAMESPACE, '').trim();
if (code.includes('@charset')) code = code.replace(RX_CHARSET, '').trim();
return !code;
}