I’ve spent tons of hours trying to understand how the React Hook
useEffect works and how I can avoid memory leaks.
At this point, my best guess is that it’s a bug.
- setState hook inside useEffect can cause unavoidable warning Can’t perform a React state update #14369
- setState in useEffect causing a “React state update on an unmounted component” warning #15057
In my case, I created a custom Hook that interfaces with the GraphQL endpoint and pulls data with
useEffect. It uses the
useReducer Hook to update state and returns that state.
The “main” component pulls in this state by using the custom