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to_text.ts
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to_text.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
const textDecoder = new TextDecoder();
/**
* Converts a {@linkcode ReadableSteam} of strings or {@linkcode Uint8Array}s
* to a single string. Works the same as {@linkcode Response.text}.
*
* @example
* ```ts
* import { toText } from "https://deno.land/std@$STD_VERSION/streams/to_text.ts";
*
* const stream = ReadableStream.from(["Hello, ", "world!"]);
* await toText(stream); // "Hello, world!"
* ```
*/
export async function toText(
readableStream: ReadableStream,
): Promise<string> {
const reader = readableStream.getReader();
let result = "";
while (true) {
const { done, value } = await reader.read();
if (done) {
break;
}
result += typeof value === "string" ? value : textDecoder.decode(value);
}
return result;
}