fix playground (#2153)

web/src/helpers/base64.js

@@ -0,0 +1,56 @@
+/*
+Copyright (C) 2025 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
+
+const toBinaryString = (text) => {
+  if (typeof TextEncoder !== 'undefined') {
+    const bytes = new TextEncoder().encode(text);
+    let binary = '';
+
+    bytes.forEach((byte) => {
+      binary += String.fromCharCode(byte);
+    });
+
+    return binary;
+  }
+
+  return encodeURIComponent(text).replace(/%([0-9A-F]{2})/g, (_, hex) =>
+    String.fromCharCode(parseInt(hex, 16)),
+  );
+};
+
+export const encodeToBase64 = (value) => {
+  const input = value == null ? '' : String(value);
+
+  if (typeof window === 'undefined') {
+    if (typeof Buffer !== 'undefined') {
+      return Buffer.from(input, 'utf-8').toString('base64');
+    }
+    if (
+      typeof globalThis !== 'undefined' &&
+      typeof globalThis.btoa === 'function'
+    ) {
+      return globalThis.btoa(toBinaryString(input));
+    }
+    throw new Error(
+      'Base64 encoding is unavailable in the current environment',
+    );
+  }
+
+  return window.btoa(toBinaryString(input));
+};

web/src/helpers/index.js

@@ -20,6 +20,7 @@ For commercial licensing, please contact support@quantumnous.com
 export * from './history';
 export * from './auth';
 export * from './utils';
+export * from './base64';
 export * from './api';
 export * from './render';
 export * from './log';