Function base64ToArray

shared/src/binary.ts:13–16

(base64: Base64)

// https://web.dev/articles/base64-encoding#btoa_and_atob_with_unicode
export function base64ToArray(base64: Base64): Uint8Array<ArrayBuffer> {
	const binString = atob(base64)
	return Uint8Array.from(binString, (m) => m.codePointAt(0)!)
}

export function toBase64URL(base64: Base64): Base64Url {
	return base64.replaceAll('+', '-').replaceAll('/', '_') as Base64Url