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[mv3] Salvage rule ids for all rulesets

This commit is contained in:
Raymond Hill 2024-02-15 08:02:46 -05:00
parent 8d47eac6e6
commit 7e00046b8e
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GPG Key ID: 25E1490B761470C2
1 changed files with 52 additions and 43 deletions
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95
platform/mv3/salvage-ruleids.mjs
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@ -55,51 +55,60 @@ if ( beforeDir === '' || afterDir === '' ) {
/******************************************************************************/
async function main() {
const afterFiles = await fs.readdir(`${afterDir}/rulesets/main`);
const folders = [
'main',
'modify-headers',
'redirect',
'regex',
'removeparam',
];
const writePromises = [];
for ( const file of afterFiles ) {
let raw = await fs.readFile(`${beforeDir}/rulesets/main/${file}`, 'utf-8').catch(( ) => '');
let beforeRules;
try { beforeRules = JSON.parse(raw); } catch(_) { }
if ( Array.isArray(beforeRules) === false ) { continue; }
raw = await fs.readFile(`${afterDir}/rulesets/main/${file}`, 'utf-8').catch(( ) => '');
let afterRules;
try { afterRules = JSON.parse(raw); } catch(_) { }
if ( Array.isArray(afterRules) === false ) { continue; }
const beforeMap = new Map(beforeRules.map(a => {
const id = a.id;
a.id = 0;
return [ JSON.stringify(a), id ];
}));
const usedIds = new Set();
for ( const afterRule of afterRules ) {
afterRule.id = 0;
const key = JSON.stringify(afterRule);
const beforeId = beforeMap.get(key);
if ( beforeId === undefined ) { continue; }
if ( usedIds.has(beforeId) ) { continue; }
afterRule.id = beforeId;
usedIds.add(beforeId);
for ( const folder of folders ) {
const afterFiles = await fs.readdir(`${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}/${file}`, 'utf-8').catch(( ) => '');
let afterRules;
try { afterRules = JSON.parse(raw); } catch(_) { }
if ( Array.isArray(afterRules) === false ) { continue; }
const beforeMap = new Map(beforeRules.map(a => {
const id = a.id;
a.id = 0;
return [ JSON.stringify(a), id ];
}));
const usedIds = new Set();
for ( const afterRule of afterRules ) {
afterRule.id = 0;
const key = JSON.stringify(afterRule);
const beforeId = beforeMap.get(key);
if ( beforeId === undefined ) { continue; }
if ( usedIds.has(beforeId) ) { continue; }
afterRule.id = beforeId;
usedIds.add(beforeId);
}
// Assign new ids to unmatched rules
let ruleIdGenerator = 1;
for ( const afterRule of afterRules ) {
if ( afterRule.id !== 0 ) { continue; }
while ( usedIds.has(ruleIdGenerator) ) { ruleIdGenerator += 1; }
afterRule.id = ruleIdGenerator++;
}
afterRules.sort((a, b) => a.id - b.id);
const indent = afterRules.length > 10 ? undefined : 1;
const lines = [];
for ( const afterRule of afterRules ) {
lines.push(JSON.stringify(afterRule, null, indent));
}
writePromises.push(
fs.writeFile(
`${afterDir}/rulesets/${folder}/${file}`,
`[\n${lines.join(',\n')}\n]\n`
)
);
}
// Assign new ids to unmatched rules
let ruleIdGenerator = 1;
for ( const afterRule of afterRules ) {
if ( afterRule.id !== 0 ) { continue; }
while ( usedIds.has(ruleIdGenerator) ) { ruleIdGenerator += 1; }
afterRule.id = ruleIdGenerator++;
}
afterRules.sort((a, b) => a.id - b.id);
const indent = afterRules.length > 10 ? undefined : 1;
const lines = [];
for ( const afterRule of afterRules ) {
lines.push(JSON.stringify(afterRule, null, indent));
}
writePromises.push(
fs.writeFile(
`${afterDir}/rulesets/main/${file}`,
`[\n${lines.join(',\n')}\n]\n`
)
);
}
await Promise.all(writePromises);
}