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yaak-mountain-loop/DEVELOPMENT.md
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-13 10:15:49 -07:00

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# Developer Setup
Yaak is a combined Node.js and Rust monorepo. It is a [Tauri](https://tauri.app) project, so
uses Rust and HTML/CSS/JS for the main application but there is also a plugin system powered
by a Node.js sidecar that communicates to the app over gRPC.
Because of the moving parts, there are a few setup steps required before development can
begin.
## Prerequisites
Make sure you have the following tools installed:
- [Node.js](https://nodejs.org/en/download/package-manager) (v24+)
- [Rust](https://www.rust-lang.org/tools/install)
- [Vite+](https://vite.dev/guide/vite-plus) (`vp` CLI)
Check the installations with the following commands:
```shell
node -v
npm -v
vp --version
rustc --version
```
Install the NPM dependencies:
```shell
npm install
```
Run the `bootstrap` command to do some initial setup:
```shell
npm run bootstrap
```
## Run the App
After bootstrapping, start the app in development mode:
```shell
npm start
```
## SQLite Migrations
New migrations can be created from the `src-tauri/` directory:
```shell
npm run migration
```
Rerun the app to apply the migrations.
_Note: For safety, development builds use a separate database location from production builds._
## Lezer Grammar Generation
```sh
# Example
lezer-generator components/core/Editor/<LANG>/<LANG>.grammar > components/core/Editor/<LANG>/<LANG>.ts
```
## Linting and Formatting
This repo uses [Vite+](https://vite.dev/guide/vite-plus) for linting (oxlint) and formatting (oxfmt).
- Lint the entire repo:
```sh
npm run lint
```
- Format code:
```sh
npm run format
```
Notes:
- A pre-commit hook runs `vp lint` automatically on commit.
- Some workspace packages also run `tsc --noEmit` for type-checking.
- VS Code users should install the recommended extensions for format-on-save support.