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This repo uses [Go 1.25 or higher](https://go.dev/dl/), [Rust 1.85 or higher](https://www.rust-lang.org/tools/install), [Node.js with npm](https://nodejs.org/), and [`hereby`](https://www.npmjs.com/package/hereby).
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For tests and code generation, this repo contains a git submodule to the main TypeScript repo pointing to the commit being ported.
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When cloning, you'll want to clone with submodules:
If you have already cloned the repo, you can initialize the submodule with:
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```sh
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git submodule update --init --recursive
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```
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With the submodule in place and `npm ci`, you can run tasks via `hereby`, similar to the TypeScript repo:
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```sh
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hereby build # Build the tsgo binary (not required for tests)
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hereby test# Run tests
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hereby format # Format the code
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hereby lint # Run linters
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hereby install-tools # Install additional tools such as linters
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hereby generate # Generate all Go code (e.g. diagnostics, committed to repo)
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```
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Additional tasks are a work in progress.
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`hereby` is not required to work on the repo; the regular `go` tooling (e.g., `go build`, `go test ./...`) will work as expected.
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`hereby` tasks are provided as a convenience for those familiar with the TypeScript repo.
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### Running `tsgo`
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After running `hereby build`, you can run `built/local/tsgo`, which behaves mostly the same as `tsc`.
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### LSP Server
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To debug and run the VS Code extension without installing it globally:
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* Run VS Code in the repo workspace (`code .`)
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* Copy `.vscode/launch.template.json` to `.vscode/launch.json`
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* <kbd>F5</kbd> (or `Debug: Start Debugging` from the command palette)
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This will launch a new VS Code instance which uses the Corsa LS as the backend. If correctly set up, you should see "tsgo" in the status bar when a TypeScript or JavaScript file is open:
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Copy file name to clipboardExpand all lines: README.md
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@@ -21,75 +21,25 @@ To use this, set this in your VS Code settings:
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}
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```
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## How to Build and Run
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This repo uses [Go 1.25 or higher](https://go.dev/dl/), [Rust 1.85 or higher](https://www.rust-lang.org/tools/install), [Node.js with npm](https://nodejs.org/), and [`hereby`](https://www.npmjs.com/package/hereby).
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For tests and code generation, this repo contains a git submodule to the main TypeScript repo pointing to the commit being ported.
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When cloning, you'll want to clone with submodules:
If you have already cloned the repo, you can initialize the submodule with:
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```sh
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git submodule update --init --recursive
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```
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With the submodule in place and `npm ci`, you can run tasks via `hereby`, similar to the TypeScript repo:
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```sh
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hereby build # Verify that the project builds
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hereby test# Run all tests
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hereby install-tools # Install additional tools such as linters
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hereby lint # Run all linters
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hereby format # Format all code
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hereby generate # Generate all Go code (e.g. diagnostics, committed to repo)
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```
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Additional tasks are a work in progress.
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`hereby` is not required to work on the repo; the regular `go` tooling (e.g., `go build`, `go test ./...`) will work as expected.
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`hereby` tasks are provided as a convenience for those familiar with the TypeScript repo.
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### Running `tsgo`
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After running `hereby build`, you can run `built/local/tsgo`, which behaves mostly the same as `tsc`.
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### Running LSP Prototype
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To debug and run the VS Code extension without installing it globally:
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* Run VS Code in the repo workspace (`code .`)
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* Copy `.vscode/launch.template.json` to `.vscode/launch.json`
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* <kbd>F5</kbd> (or `Debug: Start Debugging` from the command palette)
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This will launch a new VS Code instance which uses the Corsa LS as the backend. If correctly set up, you should see "tsgo" in the status bar when a TypeScript or JavaScript file is open:
This is still a work in progress and is not yet at full feature parity with TypeScript. Bugs may exist. Please check this list carefully before logging a new issue or assuming an intentional change.
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| Feature | Status | Notes |
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|---------|--------|-------|
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| Program creation | done | Same files and module resolution as TS5.8. Not all resolution modes supported yet. |
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| Parsing/scanning | done | Exact same syntax errors as TS5.8 |
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| Commandline and `tsconfig.json` parsing | mostly done |Entry point slightly different for now|
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| Type resolution | done | Same types as TS5.8|
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| Type checking | done | Same errors, locations, and messages as TS5.8. Types printback in errors may display differently (in progress)|
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| JavaScript-specific inference and JS Doc | not ready|-|
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| Program creation | done | Same files and module resolution as TS 5.8. Not all resolution modes supported yet. |
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| Parsing/scanning | done | Exact same syntax errors as TS 5.8 |
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