React key press hook

// Hook
function useKeyPress(targetKey) {
  // State for keeping track of whether key is pressed
  const [keyPressed, setKeyPressed] = useState<boolean>(false);
  // If pressed key is our target key then set to true
  function downHandler({ key }) {
    if (key === targetKey) {
      setKeyPressed(true);
    }
  }
  // If released key is our target key then set to false
  const upHandler = ({ key }) => {
    if (key === targetKey) {
      setKeyPressed(false);
    }
  };
  // Add event listeners
  useEffect(() => {
    window.addEventListener("keydown", downHandler);
    window.addEventListener("keyup", upHandler);
    // Remove event listeners on cleanup
    return () => {
      window.removeEventListener("keydown", downHandler);
      window.removeEventListener("keyup", upHandler);
    };
  }, []); // Empty array ensures that effect is only run on mount and unmount
  return keyPressed;
}

Source: usehooks.com

Similar codes

0 vote132 views1 answer
Form changes button enable reactive forms
Javascript React
1 vote93 views1 answer
How to change the value of state in react
Javascript React
0 vote165 views1 answer
Reactive forms change event in angular
Javascript React
0 vote89 views1 answer
React native bootstrap
Javascript React
2 votes139 views1 answer
React native seperator code
Javascript React
0 vote154 views1 answer
React style css image
Javascript React
0 vote154 views1 answer
How to remove an object from array in react native
Javascript React
6 votes135 views2 answers
React in jquery
Javascript React
0 vote132 views1 answer
Why my favicon icon is not removing in react
Javascript React
0 vote157 views1 answer
React 10 to 1 with step -2 (odd numbers between [1..10] inverted order)
Javascript React