robert-util/build/mjs/parse.js

Utilities for robert and robert-server packages

export async function toBuffers(res, maxSize) {
    return new Promise((resolve, reject) => {
        let buffers = [];
        let size = 0;
        res.on("data", data => {
            size += Buffer.byteLength(data);
            if (size > maxSize)
                reject(new Error("Body over maximum size: " + size));
            else
                buffers.push(data);
        });
        res.on("error", error => reject(error));
        res.on("end", () => resolve(buffers));
    });
}
export async function toBuffer(res, maxSize) {
    const buffers = await toBuffers(res, maxSize);
    return Buffer.concat(buffers);
}
export async function toArrayBuffer(res, maxSize) {
    const buffer = await toBuffer(res, maxSize);
    return buffer.slice(buffer.byteLength, buffer.byteOffset + buffer.byteLength);
}
export async function toBlob(res, maxSize) {
    const buffers = await toBuffers(res, maxSize);
    return new Blob(buffers, { type: res.headers["content-type"] });
}
export async function toString(res, maxSize) {
    const buffer = await toBuffer(res, maxSize);
    return buffer.toString();
}
export async function toJSON(res, maxSize) {
    const string = await toString(res, maxSize);
    return JSON.parse(string);
}