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Chore: update EOL writing

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SukkaW
2026-03-10 22:56:03 +08:00
parent 2a85d6e467
commit adeb70cdbc
1 changed files with 9 additions and 4 deletions
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13
Build/lib/create-file.ts
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@@ -11,8 +11,9 @@ import { promisify } from 'node:util';
export const fileEqual = createCompareSource(fileEqualWithCommentComparator);
export async function compareAndWriteFile(span: Span, linesA: string[], filePath: string) {
if (linesA[linesA.length - 1] !== '') {
linesA.push('');
// readFileByLine will not include last empty line. So we always pop the linesA for comparison purpose
if (linesA.length > 0 && linesA[linesA.length - 1] === '') {
linesA.pop();
}
const isEqual = await span.traceChildAsync(`compare ${filePath}`, async () => {
@@ -32,6 +33,8 @@ export async function compareAndWriteFile(span: Span, linesA: string[], filePath
return span.traceChildAsync<void>(`writing ${filePath}`, async () => {
const linesALen = linesA.length;
console.log('writing', { linesA: fastStringArrayJoin(linesA, '\n').slice(-100) });
// The default highwater mark is normally 16384,
// So we make sure direct write to file if the content is
// most likely less than 250 lines
@@ -40,13 +43,15 @@ export async function compareAndWriteFile(span: Span, linesA: string[], filePath
}
const writeStream = fs.createWriteStream(filePath);
let p;
for (let i = 0; i < linesALen; i++) {
const p = asyncWriteToStream(writeStream, linesA[i] + '\n');
p = asyncWriteToStream(writeStream, linesA[i] + '\n');
// eslint-disable-next-line no-await-in-loop -- stream high water mark
if (p) await p;
}
await new Promise<void>(resolve => {
writeStream.end(resolve);
// Since we previously poped the last empty line for comparison, we need to add it back here to ensure final EOF line
writeStream.end('\n', resolve);
});
await promisify(writeStream.close.bind(writeStream))();
});