Tech Stack

GoWherer adopts a modern frontend and cross-platform technology combination, balancing development efficiency, performance, and maintainability.

App Layer

• Expo SDK 55
• React Native 0.83.6
• React 19.2.0
• TypeScript
• expo-router (File-based routing)

Maps & Location

• expo-gaode-map (Amap SDK wrapper, including place picker and positioning)
• expo-location (positioning and system reverse geocoding)
• expo-task-manager (background tasks, powering background track recording)

Media Processing

• expo-image-picker (camera capture and album import)
• expo-audio (recording and playback)
• expo-video (video playback)
• expo-image-manipulator (image downscaling and compression before export)
• expo-video-thumbnails (video thumbnails)

Export & Sharing

• expo-print (PDF generation)
• expo-sharing (system share sheet)
• expo-file-system (file I/O and media hosting)

Data & Storage

• AsyncStorage (local persistence for structured data)
• Local log files (troubleshooting)

Documentation & Site

• VitePress
• Vue 3
• Markdown

Tooling

• ESLint / Prettier (code style and formatting)
• GitHub Actions (CI and release pipelines)
• EAS Build (cloud builds)

Design Principles

• Cross-platform First: Same business logic covers mobile and Web.
• Local First: Core data is locally available as a premise, with no backend dependency.
• Maintainability First: Modular organization and clear boundaries (storage, stats, export, geo services).
• Experience First: Focus on loading speed and interaction smoothness, aided by caching and request deduplication.