jose
Version:
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
23 lines (22 loc) • 673 B
JavaScript
export function encodeBase64(input) {
if (Uint8Array.prototype.toBase64) {
return input.toBase64();
}
const CHUNK_SIZE = 0x8000;
const arr = [];
for (let i = 0; i < input.length; i += CHUNK_SIZE) {
arr.push(String.fromCharCode.apply(null, input.subarray(i, i + CHUNK_SIZE)));
}
return btoa(arr.join(''));
}
export function decodeBase64(encoded) {
if (Uint8Array.fromBase64) {
return Uint8Array.fromBase64(encoded);
}
const binary = atob(encoded);
const bytes = new Uint8Array(binary.length);
for (let i = 0; i < binary.length; i++) {
bytes[i] = binary.charCodeAt(i);
}
return bytes;
}