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d5e31807c5
* feat(streams): add toLines * chore(streams): remove testing code Co-authored-by: Asher Gomez <ashersaupingomez@gmail.com> * chore(streams): fmt * adjust(streams): change toLines return type to `ReadableStream<string>` - Change the return type from `AsyncGenerator<string>` to `ReadableStream<string>` - Change `readable` to only be of type `ReadableStream<Uint8Array>` - Add `options` argument of type `PipeOptions.` * work * work --------- Co-authored-by: Asher Gomez <ashersaupingomez@gmail.com>
39 lines
1.0 KiB
TypeScript
39 lines
1.0 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { toLines } from "./to_lines.ts";
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import { assertEquals } from "@std/assert";
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Deno.test("toLines() parses simple input", async () => {
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const stream = ReadableStream.from([
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"qwertzu",
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"iopasd\r\nmnbvc",
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"xylk\rjhgfds\napoiuzt\r",
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"qwr\r09ei\rqwrjiowqr\r",
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"\nrewq0987\n\n654321",
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"\nrewq0987\r\n\r\n654321\r",
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]).pipeThrough(new TextEncoderStream());
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assertEquals(await Array.fromAsync(toLines(stream)), [
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"qwertzuiopasd",
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"mnbvcxylk\rjhgfds",
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"apoiuzt\rqwr\r09ei\rqwrjiowqr",
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"rewq0987",
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"",
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"654321",
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"rewq0987",
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"",
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"654321\r",
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]);
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});
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Deno.test("toLines() parses large chunks", async () => {
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const totalLines = 20_000;
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const stream = ReadableStream.from(["\n".repeat(totalLines)]).pipeThrough(
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new TextEncoderStream(),
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);
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const lines = await Array.fromAsync(toLines(stream));
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assertEquals(lines.length, totalLines);
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assertEquals(lines, Array.from({ length: totalLines }).fill(""));
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});
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