lint-js

JavaScript/TypeScript Lint Skill

📋 Overview

Use ESLint to check JavaScript and TypeScript code quality:

• 🔍 Error detection: Find potential bugs and issues
• 📏 Style check: Unified code style
• 🔧 Auto-fix: One-click fix for common issues
• 🎯 Configurable: Supports multiple rule sets

🔧 Prerequisites

Tool	Min Version	Check Command	Installation
Node.js	16+	node --version	nodejs.org
ESLint	8.0+	eslint --version	npm install -g eslint

🚀 Usage

Method 1: AI Assistant

"Use lint-js to check my JavaScript code"

Method 2: Run Script Directly

# Windows
.\.agent\skills\lint-js\scripts\lint.ps1

# Linux/Mac
./.agent/skills/lint-js/scripts/lint.sh

Method 3: With Parameters

# Auto-fix
.\.agent\skills\lint-js\scripts\lint.ps1 -Fix

# Specific file types
.\.agent\skills\lint-js\scripts\lint.ps1 -Extensions "ts,tsx"

🎯 What It Checks

Code Quality

• ✅ Unused variables
• ✅ Undefined variables
• ✅ Duplicate code detection
• ✅ Complexity check

Best Practices

• ✅ Strict mode
• ✅ Arrow function usage
• ✅ Promise handling
• ✅ async/await standards

TypeScript Specific

• ✅ Type safety check
• ✅ Interface standards
• ✅ Naming conventions
• ✅ Import sorting

⚙️ Configuration

// .eslintrc.json
{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "rules": {
    "no-unused-vars": "warn",
    "no-console": "off",
    "quotes": ["error", "single"],
    "semi": ["error", "always"]
  }
}

🔗 Related Resources

• ESLint Documentation
• TypeScript ESLint