отсчет на прокрутке отреагируйте только один раз
import React, { useState } from "react";
import CountUp from "react-countup";
import VisibilitySensor from "react-visibility-sensor";
const Ticker = ({ className, ...rest }) => {
const [viewPortEntered, setViewPortEntered] = useState(false);
return (
<CountUp {...rest} start={viewPortEntered ? null : 0}>
{({ countUpRef }) => {
return (
<VisibilitySensor
active={!viewPortEntered}
onChange={isVisible => {
if (isVisible) {
setViewPortEntered(true);
}
}}
delayedCall
>
<h4 className={className} ref={countUpRef} />
</VisibilitySensor>
);
}}
</CountUp>
);
};
export default Ticker;
Jealous Jaguar