Lua to TypeScript Converter: Transform Lua Code to TypeScript

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Convert Lua code to TypeScript automatically with support for metatables, OOP patterns, tables, and more. Perfect for migrating game code, learning TypeScript, and modernizing codebases.

✓ Class Generation✓ Type Inference✓ Interface Creation

Lua

TypeScript

Conversion Features

Lua Features

  • •

    Metatable OOP

    Converts metatable-based classes to TypeScript classes

  • •

    Tables

    Transforms Lua tables to arrays or objects

  • •

    Function Patterns

    Handles object methods and standalone functions

TypeScript Features

  • •

    Type Annotations

    Optional addition of TypeScript types

  • •

    Interfaces

    Generates interfaces for classes and objects

  • •

    Modern Syntax

    Uses contemporary TypeScript patterns

Common Use Cases

Game Development

  • • Migrate from LÖVE/Corona
  • • Port games to web
  • • Modernize game codebases
  • • Update mod frameworks

Code Migration

  • • Legacy code conversion
  • • Script modernization
  • • Platform transition
  • • Framework updates

Learning

  • • Compare language features
  • • TypeScript onboarding
  • • Study code transformation
  • • Educational resources

Conversion Details

Lua to TypeScript

  • •

    Metatable Transformation

    Converts Lua's __index pattern to class structure

  • •

    Method Handling

    Transforms colon syntax to proper class methods

  • •

    Table Conversion

    Converts Lua tables to arrays or object literals

Advanced Features

  • •

    Type Inference

    Automatically detects and adds appropriate types

  • •

    Interface Generation

    Creates TypeScript interfaces from class properties

  • •

    Control Structure Translation

    Transforms Lua loops and conditionals to TypeScript

Frequently Asked Questions

How are Lua metatables converted?

Lua's metatable-based OOP system is transformed into TypeScript's class-based system. The converter detects common patterns like creating a table, setting its __index, and defining methods with colon syntax, then generates proper TypeScript classes with methods and properties.

What happens to Lua tables?

The converter intelligently distinguishes between array-like tables (indexed by numbers) and object-like tables (with named keys). Array-like tables are converted to TypeScript arrays, while object-like tables become TypeScript object literals with appropriate typing.

How are types determined?

When the "Add Type Annotations" option is enabled, the converter analyzes variable values and usage to infer appropriate TypeScript types. It detects common patterns for booleans, numbers, strings, arrays, and objects, and applies the corresponding TypeScript types.

What about Lua-specific features?

Lua-specific features like ipairs/pairs iterators are converted to TypeScript equivalents such as for...of and for...in loops. The converter also handles Lua string concatenation (..) to TypeScript's + operator, and converts nil to null.

Limitations

While our Lua to TypeScript converter handles many common patterns, there are some limitations to be aware of:

  • Complex metatable operations with custom __index functions may require manual refinement
  • Lua's dynamic typing can't always be perfectly mapped to TypeScript's static type system
  • Specialized Lua libraries and frameworks may require additional conversion or adaptation
  • Coroutines and other advanced Lua features may need manual translation
  • The converter focuses on structure and syntax rather than exact behavior equivalence

For best results, review and test the generated TypeScript code, especially in applications with complex logic or behaviors.

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