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denoland-deno/cli/dts/README.md
2020-08-12 20:49:02 +02:00

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How to upgrade TypeScript.

The files in this directory are mostly from the TypeScript repository. We currently (unfortunately) have a rather manual process for upgrading TypeScript. It works like this currently:

  1. Checkout typescript repo in a seperate directory.
  2. Copy typescript.js into Deno repo
  3. Copy d.ts files into dts directory
  4. Update ts_version() in cli/build.rs 452693256c/cli/build.rs (L73-L76)

So that might look something like this:

git clone https://github.com/microsoft/TypeScript.git
cd typescript
git checkout v3.9.7
cp lib/typescript.js ~/src/deno/cli/tsc/00_typescript.js
cp lib/*.d.ts ~/src/deno/cli/dts/