React Hooks

Off by default (modules.react = true to enable). Detects Rules of Hooks violations and common React anti-patterns. Prefix: HOOKS-

Finding	Severity	What it matches
HOOKS-001	Error	Hook called inside a condition or loop
HOOKS-002	Warning	useEffect without dependency array
HOOKS-003	Warning	Direct DOM manipulation in component
HOOKS-004	Warning	Missing key prop in .map()
HOOKS-005	Warning	dangerouslySetInnerHTML usage
HOOKS-006	Info	Inline arrow function in event handler
HOOKS-007	Info	Empty dependency array [] in useEffect

// Bad — hook in condition (HOOKS-001)
if (condition) {
  const [value, setValue] = useState(null);
}

// Bad — missing deps (HOOKS-002)
useEffect(() => {
  fetchData();
});

// Good
useEffect(() => {
  fetchData();
}, [userId]);