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yaak/DEVELOPMENT.md
2025-11-23 08:38:13 -08:00

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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)
- [Rust](https://www.rust-lang.org/tools/install)
Check the installations with the following commands:
```shell
node -v
npm -v
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 & Formatting
This repo uses Biome for linting and formatting (replacing ESLint + Prettier).
- Lint the entire repo:
```sh
npm run lint
```
- Auto-fix lint issues where possible:
```sh
npm run lint:fix
```
- Format code:
```sh
npm run format
```
Notes:
- Many workspace packages also expose the same scripts (`lint`, `lint:fix`, and `format`).
- TypeScript type-checking still runs separately via `tsc --noEmit` in relevant packages.