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denoland-deno/cli/tsc
Nayeem Rahman f826574873
test(bench): mark explicit timer test as flaky (#20304)
https://github.com/denoland/deno/actions/runs/5990043261/job/16246927846?pr=18642

The test is just `b.start(); b.end()` where the time measured between
must be less 10 μs during warmup. Can't improve it.
Also fixes doc mistake.
2023-08-27 22:22:23 +02:00
..
dts test(bench): mark explicit timer test as flaky (#20304) 2023-08-27 22:22:23 +02:00
00_typescript.js feat: upgrade to TypeScript 5.1.6 (#19695) 2023-07-04 00:36:35 +02:00
99_main_compiler.js feat(lsp): update imports on file rename (#20245) 2023-08-26 02:50:47 +02:00
compiler.d.ts feat(lsp): update imports on file rename (#20245) 2023-08-26 02:50:47 +02:00
diagnostics.rs fix(tsc): more informative diagnostic when Deno does not exist (#19825) 2023-07-13 23:29:51 +00:00
mod.rs fix(check): should bust check cache when json module or npm resolution changes (#19941) 2023-07-26 17:23:07 -04:00
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/