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std/io/read_string_delim.ts

Deno standard library
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { type Reader } from "../types.d.ts";import { readDelim } from "./read_delim.ts";
/** * Read Reader chunk by chunk, splitting based on delimiter. * * @example * ```ts * import { readStringDelim } from "https://deno.land/std@$STD_VERSION/io/read_string_delim.ts"; * import * as path from "https://deno.land/std@$STD_VERSION/path/mod.ts"; * * const filename = path.join(Deno.cwd(), "std/io/README.md"); * let fileReader = await Deno.open(filename); * * for await (let line of readStringDelim(fileReader, "\n")) { * console.log(line); * } * ``` */export async function* readStringDelim( reader: Reader, delim: string, decoderOpts?: { encoding?: string; fatal?: boolean; ignoreBOM?: boolean; },): AsyncIterableIterator<string> { const encoder = new TextEncoder(); const decoder = new TextDecoder(decoderOpts?.encoding, decoderOpts); for await (const chunk of readDelim(reader, encoder.encode(delim))) { yield decoder.decode(chunk); }}