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Online Janet to TypeScript Converter

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upload iconClick to select or drop your input code file here.

You can also type the input code below.

How to use this tool?

This free online converter lets you convert code from Janet to TypeScript in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Janet code in the input box.
  2. Click the convert button.
  3. The resulting TypeScript code from the conversion will be displayed in the output box.

Key differences between Janet and TypeScript

CharacteristicJanetTypeScript
SyntaxLisp-like, uses s-expressions and parentheses, minimalistic and homoiconic.C-style, similar to JavaScript with added type annotations, more familiar to mainstream developers.
ParadigmMulti-paradigm: functional, imperative, and metaprogramming (macros).Multi-paradigm: object-oriented, functional, and imperative, built on top of JavaScript.
TypingDynamically typed.Statically typed (with optional type annotations), supports gradual typing.
PerformanceInterpreted, generally fast for a scripting language, suitable for scripting and embedding.Transpiles to JavaScript, performance depends on the JavaScript engine; typically used in web environments.
Libraries and frameworksLimited ecosystem, fewer libraries and frameworks, but can use C libraries via FFI.Extensive ecosystem, can use all JavaScript libraries and frameworks, strong support for modern web development.
Community and supportSmall, niche community, less mainstream support.Large, active community, strong support from Microsoft and the broader JavaScript ecosystem.
Learning curveSteep for those unfamiliar with Lisp syntax and concepts.Gentle for those with JavaScript experience; additional learning for type system.