error-message.md

error-message

📝 Enforce passing a message value when creating a built-in error.

💼 This rule is enabled in the following configs: ✅ recommended, ☑️ unopinionated.

This rule enforces a message value to be passed in when creating an instance of a built-in Error object, which leads to more readable and debuggable code.

Examples

// ❌
throw new Error();

// ❌
throw new Error('');

// ✅
throw new Error('Unexpected property.');

// ❌
throw new TypeError();

// ✅
throw new TypeError('Array expected.');

// ❌
const error = new AggregateError(errors);

// ✅
const error = new AggregateError(errors, 'Promises rejected.');

// ❌
const error = new SuppressedError(error, suppressed);

// ✅
const error = new SuppressedError(error, suppressed, 'This is a suppressed error.');