1import { useState } from "react"; 2 3// Use this to count up or down. e.g. 4// const {val: counter_value, inc: inc_counter} = useCounter() 5export default function useCounter(init: number = 0) { 6 const [val, setVal] = useState(init); 7 const inc = () => setVal(val + 1); 8 const dec = () => setVal(val - 1); 9 return { val, inc, dec }; 10} 11 12