video-ad-sdk/dist/runner/helpers/startVideoAd.js

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

import { createVideoAdUnit } from '../../adUnit';
import { VideoAdContainer } from '../../adContainer';
import { ErrorCode } from '../../tracker';
import { getInteractiveFiles, getMediaFiles } from '../../vastSelectors';
import { canPlay } from '../../adUnit/helpers/media/canPlay';
import { start, closeLinear } from '../../tracker/linearEvents';
import { adStopped, adUserClose } from '../../adUnit/helpers/vpaid/api';
import { VastError } from '../../vastRequest/helpers/vastError';
const validate = (vastChain, videoAdContainer) => {
    if (!Array.isArray(vastChain) || vastChain.length === 0) {
        throw new TypeError('Invalid vastChain');
    }
    if (!(videoAdContainer instanceof VideoAdContainer)) {
        throw new TypeError('Invalid VideoAdContainer');
    }
};
const hasVpaidCreative = (ad) => Boolean(getInteractiveFiles(ad));
const hasVastCreative = (ad, videoElement) => {
    const mediaFiles = getMediaFiles(ad);
    if (mediaFiles) {
        return mediaFiles.some((mediaFile) => canPlay(videoElement, mediaFile));
    }
    return false;
};
const startAdUnit = (adUnit, { onAdReady }) => new Promise((resolve, reject) => {
    const createRejectHandler = (event) => () => reject(new Error(`Ad unit start rejected due to event '${event}'`));
    adUnit.onError(reject);
    adUnit.on(start, () => resolve(adUnit));
    adUnit.on(adUserClose, createRejectHandler(adUserClose));
    adUnit.on(closeLinear, createRejectHandler(closeLinear));
    adUnit.on(adStopped, createRejectHandler(adStopped));
    onAdReady(adUnit);
    adUnit.start();
});
const tryToStartVpaidAd = (vastChain, videoAdContainer, options) => {
    const [{ ad: inlineAd }] = vastChain;
    if (!inlineAd || !hasVpaidCreative(inlineAd)) {
        const error = new VastError('No valid creative found in the passed VAST chain');
        error.code = ErrorCode.VAST_MEDIA_FILE_NOT_FOUND;
        throw error;
    }
    const adUnit = createVideoAdUnit(vastChain, videoAdContainer, Object.assign(Object.assign({}, options), { type: 'VPAID' }));
    return startAdUnit(adUnit, options);
};
const startVastAd = (vastChain, videoAdContainer, options) => {
    const adUnit = createVideoAdUnit(vastChain, videoAdContainer, Object.assign(Object.assign({}, options), { type: 'VAST' }));
    return startAdUnit(adUnit, options);
};
export const startVideoAd = async (vastChain, videoAdContainer, options) => {
    validate(vastChain, videoAdContainer);
    try {
        return await tryToStartVpaidAd(vastChain, videoAdContainer, options);
    }
    catch (error) {
        const [{ ad: inlineAd }] = vastChain;
        if (inlineAd && hasVastCreative(inlineAd, videoAdContainer.videoElement)) {
            return startVastAd(vastChain, videoAdContainer, options);
        }
        throw error;
    }
};