Node.js: How to read a stream into a buffer?

Question

I wrote a pretty simple function that downloads an image from a given URL, resize it and upload to S3 (using \'gm\' and \'knox\'), I have no idea if I\'m doing the reading o

Answer 1

in ts, [].push(bufferPart) is not compatible;

so:

getBufferFromStream(stream: Part | null): Promise {
    if (!stream) {
        throw 'FILE_STREAM_EMPTY';
    }
    return new Promise(
        (r, j) => {
            let buffer = Buffer.from([]);
            stream.on('data', buf => {
               buffer = Buffer.concat([buffer, buf]);
            });
            stream.on('end', () => r(buffer));
            stream.on('error', j);
        }
    );
}