@skoolab/eslint-config NPM

Skoolab - ESlint Config

Skoolab's custom ESLint configuration is designed to provide a consistent linting and formatting experience for TypeScript projects. It includes custom rules, Prettier integration, and support for functional programming styles.

Prerequisites

Ensure the following tools are installed and compatible with your project:

Node.js: Version 22 or higher.
npm: Latest version.
eslint: Version ^9.19.0 (peer dependency).
typescript: Version ^5.7.3 (peer dependency).
prettier: Version ^3.4.2 (peer dependency).

Installation

To install the Skoolab ESLint configuration, run the following command:

npm install @skoolab/eslint-config eslint typescript prettier -D

Usage

Create an ESLint Config File
Add a eslint.config.js file to your project root with the following content:
```
import skoolabConfig from '@skoolab/eslint-config'

export default [...skoolabConfig]
```

Add prettier configuration file Add a .prettierrc file to your project root with the following content:

{
  "singleQuote": true,
  "semi": false,
  "trailingComma": "es5",
  "tabWidth": 2,
  "useTabs": false,
  "printWidth": 80,
  "arrowParens": "avoid",
  "endOfLine": "lf"
}

Lint Your Project
Use the following command to lint your files:
```
npx eslint .
```

Custom Rules

The configuration includes custom rules tailored for TypeScript projects:

No Direct Return: Avoid direct returns; values must be assigned to variables before returning.
Method Call Order: Methods must be ordered top-to-bottom, respecting their call hierarchy.
Interfaces in Separate Files: Interfaces must be declared in separate files from implementation.
Enforce Enums: Prefer enums over multiple related constants.

Features

Customizable Rules: Extend or override the rules as needed.
Prettier Integration: Ensures consistent code formatting.
Functional Style Support: Includes rules for immutability and pure functions.
Custom Linters: Rules for interfaces, enums, and method order.