- Extract pure game logic functions to game-logic.js for testability
- Add Jest testing framework with 57 tests covering:
* Unit tests for pure functions (createEmptyBoard, checkBoardOverflow, etc.)
* Integration tests for garbage system (addGarbageToPlayer, sendGarbage)
* Socket.io integration tests for multiplayer flow
- Refactor index.js to use extracted functions
- Tests verify garbage elimination bug fix: players only eliminated when board overflows
Features:
- 2-8 player multiplayer via Socket.io WebSocket
- Real-time board synchronization - all players see all boards
- Battle royale mechanic: clearing rows sends garbage to opponents
- Classic Tetris gameplay with all 7 tetrominoes
- Retro visual styling with CRT scanlines and pixel font
- Automatic level progression and speed increase
- Player elimination and winner announcement
Files:
- server/index.js: Node.js + Socket.io game server
- public/js/: Frontend game logic, rendering, network, and UI
- public/css/style.css: Retro Tetris styling
- README.md: Setup and usage instructions
- PLAN.md: Implementation plan with all phases completed
callylin
jozamudi