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- 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;
- }
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