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oak-gpui/docs/src/languages/deno.md
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# Deno
Deno support is available through the [Deno extension](https://github.com/zed-extensions/deno).
- Language server: [Deno Language Server](https://docs.deno.com/runtime/manual/advanced/language_server/overview/)
## Deno Configuration
To use the Deno Language Server with TypeScript and TSX files, you will likely wish to disable the default language servers and enable deno by adding the following to your settings.json:
```json
{
"lsp": {
"deno": {
"settings": {
"deno": {
"enable": true
}
}
}
},
"languages": {
"JavaScript": {
"language_servers": [
"deno",
"!typescript-language-server",
"!vtsls",
"!eslint"
],
"formatter": "language_server"
},
"TypeScript": {
"language_servers": [
"deno",
"!typescript-language-server",
"!vtsls",
"!eslint"
],
"formatter": "language_server"
},
"TSX": {
"language_servers": [
"deno",
"!typescript-language-server",
"!vtsls",
"!eslint"
],
"formatter": "language_server"
}
}
}
```
See [Configuring supported languages](../configuring-languages.md) in the Zed documentation for more information.
<!--
TBD: Deno TypeScript REPL instructions [docs/repl#typescript-deno](../repl.md#typescript-deno)
-->
## DAP support
To debug deno programs, add this to `.zed/debug.json`
```json
[
{
"adapter": "JavaScript",
"label": "Deno",
"request": "launch",
"type": "pwa-node",
"cwd": "$ZED_WORKTREE_ROOT",
"program": "$ZED_FILE",
"runtimeExecutable": "deno",
"runtimeArgs": ["run", "--allow-all", "--inspect-wait"],
"attachSimplePort": 9229
}
]
```
## Runnable support
To run deno tasks like tests from the ui, add this to `.zed/tasks.json`
```json
[
{
"label": "deno test",
"command": "deno test -A --filter '/^$ZED_CUSTOM_DENO_TEST_NAME$/' $ZED_FILE",
"tags": ["js-test"]
}
]
```
## See also:
- [TypeScript](./typescript.md)
- [JavaScript](./javascript.md)