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 vote138 views1 answer
How to clear form fields in react after submit
Javascript React
3 votes137 views5 answers
./src/App.js Attempted import error: 'Switch' is not exported from 'react-router-dom'.
Javascript React
0 vote135 views1 answer
Jest mock react router params
Javascript React
3 votes142 views1 answer
React icons in nextJS
Javascript React
0 vote137 views1 answer
Npm react animation
Javascript React
0 vote133 views1 answer
Mdbootstrap react
Javascript React
10 votes133 views4 answers
React native disable warnings
Javascript React
0 vote141 views1 answer
Access to XMLHttpRequest has been blocked by CORS policy React
Javascript React
0 vote129 views3 answers
Create dots in carousel react js bootraps
Javascript React
0 vote150 views1 answer
Module missing for arearange highcharts react
Javascript React