import { useState, useEffect } from "react";
export default function useKeyPress(targetKey) {
  // State for keeping track of whether key is pressed
  const [keyPressed, setKeyPressed] = useState(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);
    };
  }, [downHandler, upHandler]); // Empty array ensures that effect is only run on mount and unmount

  return keyPressed;
}