tools / typescript

TypeScript

Typed superset of JavaScriptOpen source

Adds static types and interfaces to JavaScript, then compiles away to plain JS. The payoff is editor autocomplete, safer refactors, and a whole class of runtime bugs caught before you ship.

Official site

Reach for it when

  • Any web app bigger than a script
  • React and full-stack projects
  • Shared types between client and server

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