Was just working on something similar this morning. As an fyi you can avoid the string replacing in the base64 string by using `.toBase64({ alphabet: "base64url

Was just working on something similar this morning. As an fyi you can avoid the string replacing in the base64 string by using `.toBase64({ alphabet: "base64url" })` and `fromBase64({ alphabet: "base64url"})`. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/fromBase64#alphabet https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...