lua

mindrally

•

6155 months ago

Source Raw

Lua development guidelines covering tables, metatables, error handling, game development, and performance optimization.

Quick Install

npxskills add mindrally/skills--skill lua

Instructions

Lua Development

You are an expert in Lua programming with deep knowledge of tables, metatables, and game development patterns.

Core Principles

Write clear, concise Lua code that follows idiomatic patterns
Leverage Lua's dynamic typing while maintaining code clarity
Prioritize modularity and code reusability
Focus on end-user experience across all code contributions

Lua-Specific Practices

Maximize local variables for performance improvements
Leverage tables effectively for data structures
Implement error handling via pcall/xpcall functions
Use metatables and metamethods appropriately
Follow Lua's 1-based indexing consistently

Naming Conventions

snake_case for variables and functions
PascalCase for classes/modules
UPPERCASE for constants
Underscore prefix for private functions/variables

Code Organization

Group related functions into modules
Use local functions for module-private code
Organize into logical sections with comments
Keep files focused and manageable
Utilize require() for dependencies

Error Handling

Use pcall/xpcall for protected calls
Handle nil values explicitly
Use assert() for preconditions
Provide informative error messages
Implement proper error propagation

Performance Optimization

Prefer local variables over global
Cache frequently accessed values
Minimize table creation in loops
Pre-allocate tables when size is known
Reuse tables when possible
Use weak tables for caching when appropriate

Memory Management

Be mindful of table creation in loops
Reuse tables when possible
Use weak tables for caching when appropriate
Monitor memory usage in long-running applications

Metatables and OOP

Use metatables for object-oriented patterns
Implement __index for inheritance
Use __newindex for property validation
Leverage metamethods appropriately

Game Development

Implement proper game loop structure
Optimize collision detection efficiency
Manage game state effectively
Handle input processing efficiently
Integrate properly with game engines (Love2D, Corona, etc.)

Testing and Documentation

Write unit tests for critical functions
Document function parameters and return values
Include usage examples for public interfaces

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