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

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

import { linearEvents } from '../../../../tracker';
const { pause, resume } = linearEvents;
export const onPlayPause = ({ videoElement }, callback) => {
    let started = false;
    let paused = true;
    const playHandler = () => {
        if (!started) {
            started = true;
            paused = false;
        }
        else if (paused) {
            paused = false;
            callback(resume);
        }
    };
    const pauseHandler = () => {
        if (!paused) {
            paused = true;
            callback(pause);
        }
    };
    videoElement.addEventListener('play', playHandler);
    videoElement.addEventListener('pause', pauseHandler);
    return () => {
        videoElement.removeEventListener('play', playHandler);
        videoElement.removeEventListener('pause', pauseHandler);
    };
};