LevelUI

A modern LevelDB GUI for Electron - Revived and Modernized from heapwolf/levelui.

Original Author: heapwolf - Created the original LevelUI project

What We've Accomplished

This project has been completely modernized from the original repository:

• ✅ Security Overhaul: Migrated from insecure nodeIntegration: true to secure contextIsolation: true with preload script
• ✅ Electron Upgrade: Updated from Electron 0.28.1 (atom-shell) to Electron 39.2.3
• ✅ Build System: Replaced manual node-gyp rebuilds with modern electron-vite
• ✅ Code Editor: Upgraded to CodeMirror 6 with JSON syntax highlighting and linting
• ✅ Architecture: Reorganized into proper Electron structure (src/main/, src/renderer/, src/preload/)
• ✅ Module System: Converted from CommonJS to ES6 modules
• ✅ IPC Pattern: Implemented secure IPC communication via context bridge
• ✅ Developer Experience: Added hot reload, modern tooling, and comprehensive documentation

Screenshots

Query Interface

Connection Manager

Insert/Update Data

Quick Start

npm install
npm run dev    # Development with hot reload
npm start      # Build and run
npm run demo-db # Create demo database

Features

• Query: Browse keys with filtering and hierarchical tree view
• Put: Insert/update key-value pairs with JSON/string encoding
• Connections: Open local LevelDB or connect via TCP
• Settings: Configure database options and encodings
• Modern UI: CodeMirror 6 editor with syntax highlighting

Documentation

• Migration Guide - What changed from original
• Comparison - Detailed before/after comparison
• Testing Guide - CRUD operations testing
• Demo Database - Demo database info

Credits

• Original Project: heapwolf/levelui by heapwolf
• Modernized Fork: OxusByte45/levelui

LICENSE

MIT