timer-hook

Demo: https://codesandbox.io/s/timer-hook-example-ze88r

Usage

import React from 'react';
import { useTimer } from 'timer-hook';

const App = () => {
  const { time, start, pause, reset, isRunning } = useTimer();

  return (
    <>
      <div>Time: {time}</div>
      <div>
        <button onClick={start}>{isRunning ? 'Start' : 'Running'}</button>
        <button onClick={pause}>Pause</button>
        <button onClick={reset}>Reset</button>
      </div>
    </>
  );
};

Configuration

All configurations are optional

Property	Type	Default value	Description
endTime	number	null	end time for the timer
initialTime	number	0	starting value for the timer
interval	number	1000	the interval between each tick in milliseconds
onEnd	function		callback function to run when timer is over
step	number	1	the value to change by each tick
type	string	"INCREMENT"	"INCREMENT" or "DECREMENT"