prefer-assert-throws

📝 Prefer assert.throws()/assert.rejects() over try/catch with an assertion.

💼🚫 This rule is enabled in the ✅ recommended config. This rule is disabled in the ☑️ unopinionated config.

Using assert.throws() or assert.rejects() is cleaner and more expressive than wrapping throwing code in a try/catch with assertions in the catch block.

Examples

import assert from 'node:assert';

// ❌
try {
	throwingFn();
} catch (error) {
	assert.ok(error instanceof TypeError);
}

// ❌
try {
	await asyncFn();
} catch (error) {
	assert.ok(error instanceof TypeError);
}

// ✅
assert.throws(() => throwingFn(), TypeError);

// ✅
await assert.rejects(() => asyncFn(), TypeError);