Contents
How do you conditionally use a hook?
Because rules are made to be broken
- Calling hooks conditionally breaks the rules, yes.
- Wrap the hook with a component and render that component optionally to toggle the usage of the hook.
- The rules of hooks are somewhat reflections of the constraints of this React API.
- Example final full code here.
Why can Hooks be called conditionally?
Thanks ESLint! Although the Hooks are called at the top level, they are still conditionally called because they won’t be called if the show prop is false .
How do you call useEffect conditionally?
You cannot conditionally call useEffect or any other hook for that matter. In these cases, you add the condition in the function performing the side effect itself, while the variables checked in the condition go into the dependency array.
When do you call a conditional hook in react?
React Hook “useClickAway” is called conditionally. React Hooks must be called in the exact same order in every component render. Did you accidentally call a React Hook after an early return? Thanks ESLint! Although the Hooks are called at the top level, they are still conditionally called because they won’t be called if the show prop is false.
Which is the conditional hook in ESLint plugin?
With the eslint-plugin-react-hooks set up in our ESLint configuration, we’re warned of the error by the react-hooks/rules-of-hooks ESLint rule: React Hook “useClickAway” is called conditionally. React Hooks must be called in the exact same order in every component render.
Is the useref and useclickaway called conditionally?
It seems perfectly fine because the useRef and useClickAway are called at the top level, but it still breaks that rule of Hooks. With the eslint-plugin-react-hooks set up in our ESLint configuration, we’re warned of the error by the react-hooks/rules-of-hooks ESLint rule: React Hook “useClickAway” is called conditionally.
Can you change the Order of hooks in react?
Warning: React has detected a change in the order of Hooks called by Course. This will lead to bugs and errors if not fixed. The solution will be different depending on the hook used.