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Chore: async write stream & mkdirp

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SukkaW
2024-09-15 14:06:22 +08:00
parent 49787fc664
commit e7cc9e2924
7 changed files with 60 additions and 23 deletions
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20
Build/build-internal-reverse-chn-cidr.ts
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@@ -5,8 +5,10 @@ import { exclude, merge } from 'fast-cidr-tools';
import { getChnCidrPromise } from './build-chn-cidr';
import { NON_CN_CIDR_INCLUDED_IN_CHNROUTE, RESERVED_IPV4_CIDR } from './constants/cidr';
import { writeFile } from './lib/misc';
import fs from 'node:fs';
import { OUTPUT_INTERNAL_DIR } from './constants/dir';
import { asyncWriteToStream } from './lib/async-write-to-stream';
import { mkdirp } from './lib/misc';
export const buildInternalReverseChnCIDR = task(require.main === module, __filename)(async () => {
const [cidr] = await getChnCidrPromise();
@@ -23,9 +25,17 @@ export const buildInternalReverseChnCIDR = task(require.main === module, __filen
);
const outputFile = path.join(OUTPUT_INTERNAL_DIR, 'reversed-chn-cidr.txt');
await mkdirp(OUTPUT_INTERNAL_DIR);
return writeFile(
outputFile,
reversedCidr.join('\n') + '\n'
);
const writeStream = fs.createWriteStream(outputFile);
for (const line of reversedCidr) {
const p = asyncWriteToStream(writeStream, line + '\n');
if (p) {
// eslint-disable-next-line no-await-in-loop -- stream high water mark
await p;
}
}
await asyncWriteToStream(writeStream, '\n');
writeStream.end();
});