Merge pull request #63 from shgysk8zer0/bug/to-base64

Fixed range error converting large `Uint8Array`s to base64

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v0.3.13] - 2024-07-16
+
+### Fixed
+- Fixed range error converting large `Uint8Array`s to base64
+
 ## [v0.3.12] - 2024-07-15
 
 ### Added

array.js

@@ -280,15 +280,27 @@ if (! (Array.isTemplateObject instanceof Function)) {
  */
 if (! (Uint8Array.prototype.toHex instanceof Function)) {
 	Uint8Array.prototype.toHex = function toHex() {
-		return Array.from(this).map(n => n.toString(16).padStart('0', 2)).join('');
+		return Array.from(
+			this,
+			n => n.toString(16).padStart('0', 2)
+		).join('');
 	};
 }
 
 if (! (Uint8Array.prototype.toBase64 instanceof Function)) {
 	Uint8Array.prototype.toBase64 = function toBase64({ alphabet = 'base64' } = {}) {
 		if (alphabet === 'base64') {
 			// @todo Figure out encoding specifics
-			return btoa(String.fromCodePoint(...this));
+			//return btoa(String.fromCodePoint(...this));
+			const chunkSize = 0x8000; // 32,768 bytes per chunk
+			let str = '';
+
+			for (let i = 0; i < this.length; i += chunkSize) {
+				const chunk = this.subarray(i, i + chunkSize);
+				str += String.fromCharCode.apply(null, chunk);
+			}
+
+			return btoa(str);
 			// return btoa(new TextDecoder().decode(this));
 		} else if (alphabet === 'base64url') {
 			return this.toBase64({ alphabet: 'base64' }).replaceAll('+', '-').replaceAll('/', '_');

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@shgysk8zer0/polyfills",
-  "version": "0.3.12",
+  "version": "0.3.13",
   "private": false,
   "type": "module",
   "description": "A collection of JavaScript polyfills",