"New is always Better" — Barney Stinson

Disallow object literals, prefer Map (no-object)

💼 This rule is enabled in the following configs: 🌐 all, ✅ recommended.

🔧 This rule is automatically fixable by the --fix CLI option.

📖 Rule details

Leverage the modern and performance-optimized features of Map over traditional objects for key-value collections. This rule promotes the use of Map to ensure consistency, avoid prototype pitfalls, and harness the power of ES6 collections more effectively.

💡 Examples

// ❌ Incorrect
const obj = {
  foo: 'bar',
  bar: 2,
}

// ✅ Correct
const map = new Map([
  ['foo', 'bar'],
  ['bar', 2],
])

🔧 Config

{ rules: { 'ninja/object': 2 } }

🧑‍💻 Demo