video-ad-sdk/dist/adUnit/helpers/metrics/handlers/onRewind.js

VAST/VPAID SDK that allows video ads to be played on top of any player

import { linearEvents } from '../../../../tracker';
const { rewind } = linearEvents;
export const onRewind = ({ videoElement }, callback) => {
    let { currentTime } = videoElement;
    const timeupdateHandler = () => {
        const delta = videoElement.currentTime - currentTime;
        if (delta < 0 && Math.abs(delta) >= 1) {
            callback(rewind);
        }
        currentTime = videoElement.currentTime;
    };
    videoElement.addEventListener('timeupdate', timeupdateHandler);
    return () => {
        videoElement.removeEventListener('timeupdate', timeupdateHandler);
    };
};