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Editorial Team
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Asked: 2026-06-14T07:53:22+00:00

TypeScript comes with 3 JavaScript compiled files in its ‘bin’ folder: tsc.js — command-line-run

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TypeScript comes with 3 JavaScript compiled files in its ‘bin’ folder:

  • tsc.js — command-line-run compiler itself;
  • typescript.js — ??
  • typescriptServices.js — ??

I guess one of those should be ‘TypeScript language service’, but what’s the other one?

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1 Answer

  1. Editorial Team

    typescript.js is what’s used by some random internal tools. There’s not any real external-facing purpose for it, though for example you could use it to build something similar to the TypeScript Playground.

    tsc.js is typescript.js plus the command-line front-end.

    typescriptServices.js is typescript.js plus the language service (e.g. for providing Intellisense features)

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