mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-16 23:42:39 +01:00
118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
/*******************************************************************************
|
|
|
|
uBlock Origin - a comprehensive, efficient content blocker
|
|
Copyright (C) 2024-present Raymond Hill
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see {http://www.gnu.org/licenses/}.
|
|
|
|
Home: https://github.com/gorhill/uBlock
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
/******************************************************************************/
|
|
|
|
import fs from 'fs/promises';
|
|
import process from 'process';
|
|
|
|
/******************************************************************************/
|
|
|
|
const commandLineArgs = (( ) => {
|
|
const args = new Map();
|
|
let name, value;
|
|
for ( const arg of process.argv.slice(2) ) {
|
|
const pos = arg.indexOf('=');
|
|
if ( pos === -1 ) {
|
|
name = arg;
|
|
value = '';
|
|
} else {
|
|
name = arg.slice(0, pos);
|
|
value = arg.slice(pos+1);
|
|
}
|
|
args.set(name, value);
|
|
}
|
|
return args;
|
|
})();
|
|
|
|
const beforeDir = commandLineArgs.get('before') || '';
|
|
const afterDir = commandLineArgs.get('after') || '';
|
|
|
|
if ( beforeDir === '' || afterDir === '' ) {
|
|
process.exit(0);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
async function main() {
|
|
const folders = [
|
|
'main',
|
|
'modify-headers',
|
|
'redirect',
|
|
'regex',
|
|
'removeparam',
|
|
];
|
|
const writePromises = [];
|
|
for ( const folder of folders ) {
|
|
const afterFiles = await fs.readdir(`${afterDir}/rulesets/${folder}`);
|
|
for ( const file of afterFiles ) {
|
|
let raw = await fs.readFile(`${beforeDir}/rulesets/${folder}/${file}`, 'utf-8').catch(( ) => '');
|
|
let beforeRules;
|
|
try { beforeRules = JSON.parse(raw); } catch(_) { }
|
|
if ( Array.isArray(beforeRules) === false ) { continue; }
|
|
raw = await fs.readFile(`${afterDir}/rulesets/${folder}/${file}`, 'utf-8').catch(( ) => '');
|
|
let afterRules;
|
|
try { afterRules = JSON.parse(raw); } catch(_) { }
|
|
if ( Array.isArray(afterRules) === false ) { continue; }
|
|
const beforeMap = new Map(beforeRules.map(a => {
|
|
const id = a.id;
|
|
a.id = 0;
|
|
return [ JSON.stringify(a), id ];
|
|
}));
|
|
const reusedIds = new Set();
|
|
for ( const afterRule of afterRules ) {
|
|
afterRule.id = 0;
|
|
const key = JSON.stringify(afterRule);
|
|
const beforeId = beforeMap.get(key);
|
|
if ( beforeId === undefined ) { continue; }
|
|
if ( reusedIds.has(beforeId) ) { continue; }
|
|
afterRule.id = beforeId;
|
|
reusedIds.add(beforeId);
|
|
}
|
|
// Assign new ids to unmatched rules
|
|
let ruleIdGenerator = 1;
|
|
for ( const afterRule of afterRules ) {
|
|
if ( afterRule.id !== 0 ) { continue; }
|
|
while ( reusedIds.has(ruleIdGenerator) ) { ruleIdGenerator += 1; }
|
|
afterRule.id = ruleIdGenerator++;
|
|
}
|
|
afterRules.sort((a, b) => a.id - b.id);
|
|
const indent = afterRules.length > 10 ? undefined : 1;
|
|
const lines = [];
|
|
for ( const afterRule of afterRules ) {
|
|
lines.push(JSON.stringify(afterRule, null, indent));
|
|
}
|
|
const path = `${afterDir}/rulesets/${folder}/${file}`;
|
|
console.log(` Salvaged ${reusedIds.size} ids in ${folder}/${file}`);
|
|
writePromises.push(
|
|
fs.writeFile(path, `[\n${lines.join(',\n')}\n]\n`)
|
|
);
|
|
}
|
|
}
|
|
await Promise.all(writePromises);
|
|
}
|
|
|
|
main();
|
|
|
|
/******************************************************************************/
|