会话响应缓慢时对事件进行排队 queueing-events-when-sessions-response-is-slow

var eventData = {};            // JSON payload
eventData.playerTime = getPlayerTime(); // Required
eventData.eventType = "play";           // Required
eventData.params = {};                  // Optional for events

VideoPlayer.prototype._collectEvent =
  function(eventData) {

    // If we don't have a Session ID yet,
    // queue the event and return...
    if (!sessionStarted) {
        console.log("[Player] Queueing event ");
        _pendingEvents.push(eventData);
        return;
    }

    // If we DO have a Session ID, process the
    // tracking event...
    apiClient.request({
        "baseUrl": "{endpoint}",
        "path": "api/v1/{sid}/events", // events request
        "method": "POST",
        "data": eventData
    }).then((response) => {
        […]
    }
}

VideoPlayer.prototype.collectEvent =
  function (eventType, eventParams) {

    if (typeof eventParams === 'undefined') {
        eventParams = {};
    }

    this._collectEvent({
        eventType: eventType,            // Required
        playerTime: getPlayerTime(),     // Required
        params: eventParams              // Optional
    });
};

VideoPlayer.prototype.getPlayerTime = function() {
    return {
        playhead: this.getPlayhead(),    // playhead value in seconds
        ts: this.getCurrentTimestamp()   // timestamp value in milliseconds
    };
};

    […]
    this._processPendingEvents();    // Once you have a Session ID,
    […]                              // process any queued events

VideoPlayer.prototype._processPendingEvents =
  function() {
    this._pendingEvents.forEach((eventData) => {
        this._collectEvent(eventData);
    });

    this._pendingEvents = [];
}