Rooks

useCountdown

About

Count down to a target timestamp and call callbacks every second (or provided peried)

Examples

Basic example

const endTime = new Date(Date.now() + 10000);
import { useCountdown } from "rooks";
export default function App() {
  const count = useCountdown(endTime, {
    interval: 1000,
    onDown: time => console.log("onDown", time),
    onEnd: time => console.log("onEnd", time),
  });
  return count;
}

Arguments

ArgumentTypeDescriptionDefault value
endTimeDatethe time when the countdown should endundefined
options.intervalnumbermilliseconds that it takes count down once1000
options.onDownfunction(time) => , callback that would be called every intervalundefined
options.onEndfunction(time) => , callback that would be called when the countdown endsundefined

Return Value

TypeDescription
numberrest amount of intervals it takes to count down to the endTime

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