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Chore: skip file writing stream

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SukkaW
2026-08-01 13:22:58 +08:00
parent b3bcec6de6
commit 76bb899102
1 changed files with 8 additions and 24 deletions
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32
Build/lib/create-file.ts
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@@ -1,4 +1,3 @@
import { asyncWriteToStream } from 'foxts/async-write-to-stream';
import { fastStringArrayJoin } from 'foxts/fast-string-array-join';
import fs from 'node:fs';
import picocolors from 'picocolors';
@@ -6,7 +5,6 @@ import type { Span } from '../trace';
import { readFileByLine } from './fetch-text-by-line';
import { writeFile } from './misc';
import { createCompareSource, fileEqualWithCommentComparator } from 'foxts/compare-source';
import { promisify } from 'node:util';
import { extractContentHashFromFile } from './content-hash';
const fileEqual = createCompareSource(fileEqualWithCommentComparator);
@@ -49,26 +47,12 @@ export async function compareAndWriteFile(span: Span, linesA: string[], filePath
return;
}
return span.traceChildAsync<void>(`writing ${filePath}`, async () => {
const linesALen = linesA.length;
// 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
if (linesALen < 250) {
return writeFile(filePath, fastStringArrayJoin(linesA, '\n'));
}
const writeStream = fs.createWriteStream(filePath);
for (let i = 0; i < linesALen; i++) {
const 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 => {
// Since we previously poped the last empty line for comparison, we need to add it back here to ensure final EOF line
writeStream.end(resolve);
});
await promisify(writeStream.close.bind(writeStream))();
});
return writeFileLines(span, linesA, filePath);
}
export function writeFileLines(span: Span, linesA: string[], filePath: string): Promise<void> {
return span.traceChildAsync<void>(
`writing ${filePath}`,
() => writeFile(filePath, fastStringArrayJoin(linesA, '\n') + '\n')
);
}