// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. // SPDX-License-Identifier: Apache-2.0 import { Buffer } from 'buffer'; export function toBase64(input: string | ArrayBufferView): string { if (typeof input === 'string') { return Buffer.from(input, 'utf-8').toString('base64'); } return Buffer.from(input.buffer).toString('base64'); }