useMountedState.md

useMountedState

Credit: Re-export from react-use

NOTE!: despite having State in its name this hook does not cause component re-render.
This component designed to be used to avoid state updates on unmounted components.

Lifecycle hook providing ability to check component's mount state.
Returns a function that will return true if component mounted and false otherwise.

Usage

import { useEffect } from "@lynx-js/react";
import { useMountedState } from "@lynx-js/react-use";

const Demo = () => {
  const isMounted = useMountedState();

  useEffect(() => {
    setTimeout(() => {
      if (isMounted()) {
        // ...
      } else {
        // ...
      }
    }, 1000);
  });
};

Type Declarations

function useMountedState(): () => boolean;