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Cache last 100 getDomains for filterStyles

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This commit is contained in:
tophf 2017-03-26 10:42:13 +03:00
parent 78c56352cb
commit 4a642f77a5
1 changed files with 14 additions and 5 deletions
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19
storage.js
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@ -37,6 +37,7 @@ var cachedStyles, prefs;
byId: new Map(), byId: new Map(),
filters: new Map(), filters: new Map(),
regexps: new Map(), regexps: new Map(),
urlDomains: new Map(),
mutex: { mutex: {
inProgress: false, inProgress: false,
onDone: [], onDone: [],
@ -196,6 +197,14 @@ function filterStyles(options = {}) {
: cached.styles; : cached.styles;
} }
if (matchUrl && !cachedStyles.urlDomains.has(matchUrl)) {
cachedStyles.urlDomains.set(matchUrl, getDomains(matchUrl));
for (let i = cachedStyles.urlDomains.size - 100; i > 0; i--) {
const firstKey = cachedStyles.urlDomains.keys().next().value;
cachedStyles.urlDomains.delete(firstKey);
}
}
const styles = id === null const styles = id === null
? (code ? cachedStyles.list : cachedStyles.noCode) ? (code ? cachedStyles.list : cachedStyles.noCode)
: [(cachedStyles.byId.get(id) || {})[code ? 'style' : 'noCode']]; : [(cachedStyles.byId.get(id) || {})[code ? 'style' : 'noCode']];
@ -457,11 +466,10 @@ function sectionAppliesToUrl(section, url) {
return true; return true;
} }
} }
if (section.domains.length) { const urlDomains = cachedStyles.urlDomains.get(url) || getDomains(url);
for (const domain of getDomains(url)) { for (const domain of urlDomains) {
if (section.domains.indexOf(domain) != -1) { if (section.domains.indexOf(domain) != -1) {
return true; return true;
}
} }
} }
for (const regexp of section.regexps) { for (const regexp of section.regexps) {
@ -490,6 +498,7 @@ function isCheckbox(el) {
return el.localName == 'input' && el.type == 'checkbox'; return el.localName == 'input' && el.type == 'checkbox';
} }
// js engine can't optimize the entire function if it contains try-catch // js engine can't optimize the entire function if it contains try-catch
// so we should keep it isolated from normal code in a minimal wrapper // so we should keep it isolated from normal code in a minimal wrapper
// Update: might get fixed in V8 TurboFan in the future // Update: might get fixed in V8 TurboFan in the future