stringToArrayBuffer.js

/**
 * Coverts a Javascript string to a
 * unsigned 8 byte int ArrayBuffer
 *
 * @param {string} string - Binary String
 * @returns {Uint8Array}
 */
export default function stringToArrayBuffer(string) {
    const { length } = string;
    const buffer = new Uint8Array(length);

    for (let i = 0; i < length; i++) {
        // Get char code
        buffer[i] = string.charCodeAt(i);
    }

    return buffer;
}