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denoland-deno/cli/tsc
Nathan Whitaker aac7a8cb7c
perf(lsp): Batch "$projectChanged" notification in with the next JS request (#23451)
The actual handling of `$projectChanged` is quick, but JS requests are
not. The cleared caches only get repopulated on the next actual request,
so just batch the change notification in with the next actual request.

No significant difference in benchmarks on my machine, but this speeds
up `did_change` handling and reduces our total number of JS requests (in
addition to coalescing multiple JS change notifs into one).
2024-04-22 08:03:16 -07:00
..
dts feat(ext/http): Add addr to HttpServer (#23442) 2024-04-19 18:09:50 -06:00
00_typescript.js fix: Fix some typos in comments (#23470) 2024-04-21 01:54:07 +02:00
99_main_compiler.js perf(lsp): Batch "$projectChanged" notification in with the next JS request (#23451) 2024-04-22 08:03:16 -07:00
compiler.d.ts chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
diagnostics.rs fix(check): ignore certain diagnostics in remote modules and when publishing (#23119) 2024-03-31 16:39:40 -04:00
mod.rs perf(lsp): Avoid passing struct into op_resolve (#23452) 2024-04-19 10:11:17 -07:00
README.md feat: TypeScript 5.4 (#23086) 2024-03-26 18:52:57 -04:00

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
npx hereby
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/