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Refactor: make Node.js run compatible

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SukkaW
2024-07-23 17:42:10 +08:00
parent 1f42c27afe
commit 553dd62eb1
32 changed files with 163 additions and 136 deletions
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36
Build/lib/fetch-text-by-line.ts
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@@ -1,9 +1,12 @@
import fs from 'fs';
import { Readable } from 'stream';
import type { BunFile } from 'bun';
import { fetchWithRetry, defaultRequestInit } from './fetch-retry';
import type { FileHandle } from 'fs/promises';
import { TextLineStream } from './text-line-transform-stream';
import { PolyfillTextDecoderStream } from './text-decoder-stream';
import { TextDecoderStream as NodeTextDecoderStream } from 'stream/web';
import { processLine } from './process-line';
const enableTextLineStream = !!process.env.ENABLE_TEXT_LINE_STREAM;
@@ -36,19 +39,32 @@ async function *createTextLineAsyncIterableFromStreamSource(stream: ReadableStre
}
}
const getReadableStream = (file: string | BunFile | FileHandle): ReadableStream => {
if (typeof file === 'string') {
return Bun.file(file).stream();
const getReadableStream = typeof Bun !== 'undefined'
? (file: string | BunFile | FileHandle): ReadableStream => {
if (typeof file === 'string') {
return Bun.file(file).stream();
}
if ('writer' in file) {
return file.stream();
}
return file.readableWebStream();
}
if ('writer' in file) {
return file.stream();
}
return file.readableWebStream();
};
: (file: string | BunFile | FileHandle): ReadableStream => {
if (typeof file === 'string') {
return Readable.toWeb(fs.createReadStream(file /* { encoding: 'utf-8' } */));
}
if ('writer' in file) {
return file.stream();
}
return file.readableWebStream();
};
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- On Bun, NodeTextDecoderStream is undefined
const TextDecoderStream = NodeTextDecoderStream ?? PolyfillTextDecoderStream;
// TODO: use FileHandle.readLine()
export const readFileByLine: ((file: string | BunFile | FileHandle) => AsyncIterable<string>) = enableTextLineStream
? (file: string | BunFile | FileHandle) => getReadableStream(file).pipeThrough(new PolyfillTextDecoderStream()).pipeThrough(new TextLineStream())
? (file: string | BunFile | FileHandle) => getReadableStream(file).pipeThrough(new TextDecoderStream()).pipeThrough(new TextLineStream())
: (file: string | BunFile | FileHandle) => createTextLineAsyncIterableFromStreamSource(getReadableStream(file));
const ensureResponseBody = (resp: Response) => {
@@ -62,7 +78,7 @@ const ensureResponseBody = (resp: Response) => {
};
export const createReadlineInterfaceFromResponse: ((resp: Response) => AsyncIterable<string>) = enableTextLineStream
? (resp) => ensureResponseBody(resp).pipeThrough(new PolyfillTextDecoderStream()).pipeThrough(new TextLineStream())
? (resp) => ensureResponseBody(resp).pipeThrough(new TextDecoderStream()).pipeThrough(new TextLineStream())
: (resp) => createTextLineAsyncIterableFromStreamSource(ensureResponseBody(resp));
export function fetchRemoteTextByLine(url: string | URL) {