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@mh4gf/shared-config

A collection of shared configuration files and utilities for modern JavaScript/TypeScript projects. This monorepo provides consistent linting, formatting, and TypeScript configurations across multiple projects.

Packages

@mh4gf/configs

Core configuration package containing:

• Biome configurations: For JavaScript/TypeScript formatting and linting
• TypeScript configurations: Base tsconfig.json files for different project types
• CLI tool: Interactive setup and configuration management

@mh4gf/eslint-config

ESLint configuration package with:

• Base configuration: JavaScript best practices and code quality rules
• TypeScript support: Type-aware linting rules and import management
• Vitest integration: Testing-specific rules and globals

Installation

# Install individual packages
npm install --save-dev @mh4gf/configs
npm install --save-dev @mh4gf/eslint-config

# Or with pnpm
pnpm add -D @mh4gf/configs @mh4gf/eslint-config

Quick Start

Using the CLI

# Initialize configurations in your project
npx @mh4gf/configs init

Manual Setup

Biome Configuration

Create biome.json in your project root:

{
  "extends": ["@mh4gf/configs/biome/index.jsonc"]
}

ESLint Configuration

Create eslint.config.js in your project root:

import eslintConfig from '@mh4gf/eslint-config'

export default [
  ...eslintConfig.configs.recommended,
  ...eslintConfig.configs.typescript,
  ...eslintConfig.configs.vitest,
]

TypeScript Configuration

Create tsconfig.json in your project root:

{
  "extends": "@mh4gf/configs/tsconfig/base.json",
  "compilerOptions": {
    "outDir": "./dist"
  },
  "include": ["src/**/*"]
}

Development

Prerequisites

• Node.js 18+
• pnpm 9+

Setup

# Clone the repository
git clone https://github.com/MH4GF/shared-config.git
cd shared-config

# Install dependencies
pnpm install

# Run linting
pnpm lint

# Run tests
pnpm test

# Build packages
pnpm build

# Format code
pnpm fmt

Testing

The project uses Vitest for testing:

# Run all tests
pnpm test

# Run tests with coverage
pnpm test:coverage

# Run tests in watch mode
pnpm test --watch

# Run tests with UI
pnpm test:ui

Project Structure

.
├── typescript/packages/
│   ├── configs/           # Core configuration package
│   │   ├── src/          # CLI source code
│   │   ├── biome/        # Biome configuration files
│   │   ├── tsconfig/     # TypeScript configuration files
│   │   └── __tests__/    # Unit tests
│   └── eslint-config/    # ESLint configuration package
│       ├── src/          # ESLint plugin source
│       └── __tests__/    # Unit tests
├── examples/             # Example projects using the configs
├── tests/                # Integration tests
└── docs/                 # Documentation

Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Make your changes
4. Add tests for your changes
5. Ensure all tests pass (pnpm test)
6. Ensure linting passes (pnpm lint)
7. Commit your changes (git commit -m 'Add amazing feature')
8. Push to the branch (git push origin feature/amazing-feature)
9. Open a Pull Request

Development Guidelines

• Follow the existing code style (enforced by Biome and ESLint)
• Add tests for new functionality
• Update documentation as needed
• Ensure all CI checks pass

License

MIT © MH4GF