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Change: drop storage.js, some functions are moved to sections-util

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eight 2018-10-13 15:13:11 +08:00
parent d286997d6a
commit 7d340d62dc
2 changed files with 29 additions and 31 deletions
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30
background/storage.js
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@ -1,30 +0,0 @@
/* exported calcStyleDigest detectSloppyRegexps */
'use strict';
function normalizeStyleSections({sections}) {
// retain known properties in an arbitrarily predefined order
return (sections || []).map(section => ({
code: section.code || '',
urls: section.urls || [],
urlPrefixes: section.urlPrefixes || [],
domains: section.domains || [],
regexps: section.regexps || [],
}));
}
function calcStyleDigest(style) {
const jsonString = style.usercssData ?
style.sourceCode : JSON.stringify(normalizeStyleSections(style));
const text = new TextEncoder('utf-8').encode(jsonString);
return crypto.subtle.digest('SHA-1', text).then(hex);
function hex(buffer) {
const parts = [];
const PAD8 = '00000000';
const view = new DataView(buffer);
for (let i = 0; i < view.byteLength; i += 4) {
parts.push((PAD8 + view.getUint32(i).toString(16)).slice(-8));
}
return parts.join('');
}
}

30
js/sections-util.js
View File

@ -1,4 +1,4 @@
/* exported styleSectionsEqual styleCodeEmpty */ /* exported styleSectionsEqual styleCodeEmpty calcStyleDigest */
'use strict'; 'use strict';
function styleCodeEmpty(code) { function styleCodeEmpty(code) {
@ -65,3 +65,31 @@ function styleSectionsEqual(a, b, {ignoreCode, checkSource} = {}) {
); );
} }
} }
function normalizeStyleSections({sections}) {
// retain known properties in an arbitrarily predefined order
return (sections || []).map(section => ({
code: section.code || '',
urls: section.urls || [],
urlPrefixes: section.urlPrefixes || [],
domains: section.domains || [],
regexps: section.regexps || [],
}));
}
function calcStyleDigest(style) {
const jsonString = style.usercssData ?
style.sourceCode : JSON.stringify(normalizeStyleSections(style));
const text = new TextEncoder('utf-8').encode(jsonString);
return crypto.subtle.digest('SHA-1', text).then(hex);
function hex(buffer) {
const parts = [];
const PAD8 = '00000000';
const view = new DataView(buffer);
for (let i = 0; i < view.byteLength; i += 4) {
parts.push((PAD8 + view.getUint32(i).toString(16)).slice(-8));
}
return parts.join('');
}
}