@aws/cloudfront-hosting-toolkit
Version:
CloudFront Hosting Toolkit offers the convenience of a managed frontend hosting service while retaining full control over the hosting and deployment infrastructure to make it your own.
13 lines (12 loc) • 484 B
JavaScript
import { fromString } from "@smithy/util-buffer-from";
const BASE64_REGEX = /^[A-Za-z0-9+/]*={0,2}$/;
export const fromBase64 = (input) => {
if ((input.length * 3) % 4 !== 0) {
throw new TypeError(`Incorrect padding on base64 string.`);
}
if (!BASE64_REGEX.exec(input)) {
throw new TypeError(`Invalid base64 string.`);
}
const buffer = fromString(input, "base64");
return new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
};