import { fromByteArray, toByteArray } from 'react-native-quick-base64'; export function decodeBase64(base64: string, encoding: 'base64' | 'base64url' = 'base64'): Uint8Array { if (encoding === 'base64url') { return toByteArray(base64, true); } return toByteArray(base64, true); } export function encodeBase64(buffer: Uint8Array, encoding: 'base64' | 'base64url' = 'base64'): string { return fromByteArray(buffer, encoding === 'base64url'); }