@ckeditor/ckeditor5-utils/src/parsebase64encodedobject.js

Miscellaneous utilities used by CKEditor 5.

/**
 * @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */
/**
 * @module utils/parsebase64encodedobject
 */
/**
 * Parses a base64-encoded object and returns the decoded object, or null if the decoding was unsuccessful.
 */
export default function parseBase64EncodedObject(encoded) {
    try {
        if (!encoded.startsWith('ey')) {
            return null;
        }
        const decoded = atob(encoded.replace(/-/g, '+').replace(/_/g, '/'));
        return JSON.parse(decoded);
    }
    catch {
        return null;
    }
}