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denoland-deno/cli/tsc
Matt Mastracci 3487fde236
perf(core) Reduce copying and cloning in extension initialization (#18252)
Follow-up to #18210:

* we are passing the generated `cfg` object into the state function
rather than passing individual config fields
 * reduce cloning dramatically by making the state_fn `FnOnce`
 * `take` for `ExtensionBuilder` to avoid more unnecessary copies
 * renamed `config` to `options`
2023-03-17 22:15:27 +00:00
..
dts BREAKING(unstable): remove WebGPU (#18094) 2023-03-17 00:29:32 +01:00
00_typescript.js feat: support node built-in module imports (#17264) 2023-01-24 09:05:54 -05:00
99_main_compiler.js fix(check): regression where config "types" entries caused type checking errors (#18124) 2023-03-11 11:43:45 -05:00
compiler.d.ts feat: support node built-in module imports (#17264) 2023-01-24 09:05:54 -05:00
diagnostics.rs feat: Stabilize Deno.Command API (#17628) 2023-02-13 19:25:00 +01:00
mod.rs perf(core) Reduce copying and cloning in extension initialization (#18252) 2023-03-17 22:15:27 +00:00
README.md feat: upgrade to TypeScript 4.9.3 (#16973) 2022-12-07 12:59:59 -05:00

tsc

This directory contains the typescript compiler and a small compiler host for the runtime snapshot.

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 denoland/TypeScript repo in a separate directory.
  2. Add Microsoft/TypeScript as a remote and fetch its latest tags
  3. Checkout a new branch based on this tag.
  4. Cherry pick the custom commit we made in a previous release to the new one.
  5. This commit has a "deno.ts" file in it. Read the instructions in it.
  6. Copy typescript.js into Deno repo.
  7. Copy d.ts files into dts directory.
  8. Review the copied files, removing and reverting what's necessary

So that might look something like this:

git clone https://github.com/denoland/TypeScript.git
cd typescript
git remote add upstream https://github.com/Microsoft/TypeScript
git fetch upstream
git checkout v3.9.7
git checkout -b branch_v3.9.7
git cherry pick <previous-release-branch-commit-we-did>
npm install
gulp local
rsync built/local/typescript.js ~/src/deno/cli/tsc/00_typescript.js
rsync --exclude=protocol.d.ts --exclude=tsserverlibrary.d.ts --exclude=typescriptServices.d.ts built/local/*.d.ts ~/src/deno/cli/tsc/dts/