export const bufferToBase64 = (buffer: Uint8Array) => { const data = Array(buffer.length) .fill(null) .map((_, i) => String.fromCharCode(buffer[i])) .join(""); const base64 = btoa(data); return base64; }; export const base64ToBuffer = (base64: string) => { const data = atob(base64); const array = Array(data.length) .fill(null) .map((_, i) => data.charCodeAt(i)); const buffer = new Uint8Array(array); return buffer; };