no-misused-new

Enforce valid definition of new and constructor.

Warns on apparent attempts to define constructors for interfaces or new for classes.

Attributes

• Included in configs
  • ✅ Recommended
  • 🔒 Strict
• Fixable
  • 🔧 Automated Fixer
  • 💡 Suggestion Fixer
• 💭 Requires type information

Rule Details

Examples of code for this rule:

❌ Incorrect

class C {
  new(): C;
}

interface I {
  new (): I;
  constructor(): void;
}

✅ Correct

class C {
  constructor() {}
}
interface I {
  new (): C;
}

Options

.eslintrc.cjs

module.exports = {
  "rules": {
    "@typescript-eslint/no-misused-new": "error"
  }
};

This rule is not configurable.

Resources

• Rule source
• Test source