Freaks City

When working with a shared layer tree in a WebGIS application, you may need to remove empty directories so the tree can be used directly with a UI component like Element's Cascader. The goal is to produce a new array where only folders containing at least one layer are kept, and each layer node has its children set to null. The original tree da ...

WebGIS applications frequently employ tile encryption to protect geographic data. However, many development teams inadvertently introduce new security vulnerabilities when decrypting and rendering tiles in the browser: Decrypted plaintext tiles appear as blob:http://... URLs in browser DevTools Network panel, allowing users to view and downloa ...