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Perf: faster string[] join

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SukkaW
2024-06-28 17:25:54 +08:00
parent 724dcdf1ad
commit 1d8c991baf
4 changed files with 27 additions and 6 deletions
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3
Build/lib/create-file.ts
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@@ -5,6 +5,7 @@ import picocolors from 'picocolors';
import type { Span } from '../trace';
import path from 'path';
import { sort } from './timsort';
import { fastStringArrayJoin } from './misc';
export async function compareAndWriteFile(span: Span, linesA: string[], filePath: string) {
let isEqual = true;
@@ -69,7 +70,7 @@ export async function compareAndWriteFile(span: Span, linesA: string[], filePath
await span.traceChildAsync(`writing ${filePath}`, async () => {
// if (linesALen < 10000) {
return Bun.write(file, `${linesA.join('\n')}\n`);
return Bun.write(file, fastStringArrayJoin(linesA, '\n') + '\n');
// }
// const writer = file.writer();