HTMLSubtitles constructor validation addedff

This commit is contained in:
NikolaBorislavovHristov 2019-02-14 10:10:04 +02:00
parent 312b3d8d15
commit 8ff4990c2f

View file

@ -2,6 +2,10 @@ var EventEmitter = require('events');
var subtitleUtils = require('./utils/subtitles');
var HTMLSubtitles = function(containerElement) {
if (!(containerElement instanceof HTMLElement)) {
throw new Error('Instance of HTMLElement required as a first argument to HTMLSubtitles');
}
var events = new EventEmitter();
var tracks = Object.freeze([]);
var cues = Object.freeze({});