chadtmiller.com/pds.js
An atproto PDS in JavaScript, for Cloudflare Workers and Node
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// WebAuthn speaks ArrayBuffers; everything crossing the wire is base64url.
/** @param {ArrayBuffer} buffer @returns {string} */
export function b64(buffer) {
return btoa(String.fromCharCode(...new Uint8Array(buffer)))
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '');
}
/** @param {string} value @returns {Uint8Array} */
export function unb64(value) {
return Uint8Array.from(
atob(value.replace(/-/g, '+').replace(/_/g, '/')),
(character) => character.charCodeAt(0),
);
}