Convert a buffer to a stream in Node.js

buffer-to-stream.js

/**
 * Convert a buffer to a stream
 *
 * @param binary Buffer
 * @returns Readable
 */
function bufferToStream(binary) {
    return new Readable({
        read() {
            this.push(binary);
            this.push(null);
        }
    });
}

Use https://github.com/stream-utils/stream-to-array combined with Buffer.concat(array) to turn a stream into a buffer.