Files
twenty/.cursor/rules/nx-rules.mdc
T
Félix Malfait 73d2027391 fix: centralize lint:changed configuration in nx.json (#16877)
## Summary

The `lint:changed` command was not using the correct ESLint config for
`twenty-server`, causing it to use the root `eslint.config.mjs` instead
of the package-specific one. This PR fixes the issue and renames the
command to `lint:diff-with-main` for clarity.

## Problem

- `twenty-front` correctly specified `--config
packages/twenty-front/eslint.config.mjs`
- `twenty-server` just called `npx eslint` without specifying a config
- This meant `twenty-server` was missing important rules like:
  - `@typescript-eslint/no-explicit-any: 'error'`
  - `@stylistic/*` rules (linebreak-style, padding, etc.)
  - `import/order` with NestJS patterns
- Custom workspace rules (`@nx/workspace-inject-workspace-repository`,
etc.)

## Solution

1. **Renamed** `lint:changed` to `lint:diff-with-main` to be explicit
about what the command does
2. **Centralized** the configuration in `nx.json` targetDefaults:
- Uses `{projectRoot}` interpolation for paths (resolved by Nx at
runtime)
   - Each package automatically uses its own ESLint config
- Packages can override specific options (e.g., file extension pattern)
3. **Simplified** `project.json` files by inheriting from defaults

## Usage

```bash
# Lint only files changed vs main branch
npx nx lint:diff-with-main twenty-front
npx nx lint:diff-with-main twenty-server

# Auto-fix files changed vs main
npx nx lint:diff-with-main twenty-front --configuration=fix
```

## Changes

- **nx.json**: Added `lint:diff-with-main` target default with
configurable pattern
- **twenty-front/project.json**: Simplified to inherit from defaults
- **twenty-server/project.json**: Overrides pattern to include `.json`
files
- **CLAUDE.md** and **.cursor/rules**: Updated documentation
2025-12-31 13:47:20 +01:00

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---
description: Guidelines and best practices for working with Nx in the Twenty workspace, including workspace architecture understanding, configuration management, and generator usage.
globs: ["**/nx.json", "**/project.json", "**/workspace.json"]
alwaysApply: true
---
# Nx Guidelines
## Core Commands
```bash
# Run target for specific project
npx nx run twenty-front:build
npx nx run twenty-server:test
# Lint diff with main (recommended - much faster!)
npx nx lint:diff-with-main twenty-front # Lint only files changed vs main
npx nx lint:diff-with-main twenty-server
npx nx lint:diff-with-main twenty-front --configuration=fix # Auto-fix changed files
# Run target for all projects (slower)
npx nx run-many --target=build --all
npx nx run-many --target=test --projects=twenty-front,twenty-server
# Generate/modify projects
npx nx g @nx/react:app my-app
npx nx g @nx/react:component my-component
```
## Project Structure
- Each package has a `project.json` with targets
- Dependencies managed through `tsconfig.json` path mappings
- Shared libraries in `packages/` directory
## Build Targets
```json
// project.json
{
"targets": {
"build": {
"executor": "@nx/vite:build",
"options": { "outputPath": "dist/packages/twenty-front" }
},
"test": {
"executor": "@nx/jest:jest",
"options": { "jestConfig": "packages/twenty-front/jest.config.mjs" }
}
}
}
```
## Linting Strategy
For faster development, always prefer linting only changed files:
- Use `npx nx lint:diff-with-main <project>` to lint only files changed vs main branch
- Use `--configuration=fix` to auto-fix issues in changed files
- Only use `npx nx lint <project>` when you need to lint the entire project
## Dependency Graph
```bash
# View project dependencies
npx nx graph
# Check what's affected by changes (runs target on affected projects)
npx nx affected --target=test
npx nx affected --target=build --base=main
```
## Library Management
- Use `npx nx g @nx/workspace:library` generator for shared libs
- Internal imports use `@/` path mapping
- Libraries must export through index.ts barrel files
## Cache Configuration
- Nx caches build outputs and test results
- Configure `outputs` in project.json targets
- Use `inputs` to define what invalidates cache
```json
{
"build": {
"outputs": ["dist/packages/my-app"],
"inputs": ["source", "^source"],
"cache": true
}
}
```