@cch137/format-utils/dist/read-stream/index.js

A collection of utility modules for formatting and processing data

export async function readStream(stream) {
    if (!stream)
        return new Uint8Array();
    const reader = stream.getReader();
    const buffers = [];
    while (true) {
        const { value, done } = await reader.read();
        if (done)
            break;
        buffers.push(value);
    }
    const array = new Uint8Array(buffers.reduce((size, arr) => size + arr.length, 0));
    let offset = 0;
    for (const buffer of buffers) {
        array.set(buffer, offset);
        offset += buffer.length;
    }
    return array;
}
export async function readString(stream, encoding = "utf-8") {
    return new TextDecoder(encoding).decode(await readStream(stream));
}
export async function readJSON(stream) {
    try {
        return JSON.parse(await readString(stream));
    }
    catch { }
    return undefined;
}
export const toReadableStream = (value) => {
    return new ReadableStream({
        start(controller) {
            controller.enqueue(value);
            controller.close();
        },
    });
};
export default readStream;