/**
 * Convert a Base64-encoded string into a buffer with the same data.
 * @param base64 The Base64 encoded string.
 */
export function base64ToArrayBuffer(base64: string): ArrayBuffer {
    const binaryString = atob(base64);
    const bytes = new Uint8Array(binaryString.length);
    for (let i = 0; i < binaryString.length; i++) {
        bytes[i] = binaryString.charCodeAt(i);
    }
    return bytes.buffer;
}