Fix sachinchoolur#97

Uncaught Error: Make sure that slide 0 has an image/video src

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "lightgallery.js",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Full featured lightbox gallery. Zero dependencies",
   "main": [
       "dist/js/lightgallery.min.js",

dist/js/lightgallery.js

@@ -1,9 +1,9 @@
 /**!
- * lightgallery.js | 1.0.2 | January 14th 2018
+ * lightgallery.js | 1.0.3 | May 17th 2018
  * http://sachinchoolur.github.io/lightgallery.js/
  * Copyright (c) 2016 Sachin N; 
  * @license GPLv3 
- */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Lightgallery = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+ */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Lightgallery = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 (function (global, factory) {
     if (typeof define === "function" && define.amd) {
         define(['exports'], factory);
@@ -624,10 +624,6 @@
      */
     Plugin.prototype.isVideo = function (src, index) {
 
-        if (!src) {
-            throw new Error("Make sure that slide " + index + " has an image/video src");
-        }
-
         var html;
         if (this.s.dynamic) {
             html = this.s.dynamicEl[index].html;
@@ -1601,4 +1597,4 @@
 });
 
 },{"./lg-utils":1}]},{},[2])(2)
-});
+});

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lightgallery.js",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Full featured lightbox gallery. Zero dependencies",
   "keywords": [
     "gallery",

src/js/lightgallery.js

@@ -430,10 +430,6 @@ Plugin.prototype.doCss = function() {
  */
 Plugin.prototype.isVideo = function(src, index) {
 
-    if(!src) {
-        throw new Error("Make sure that slide " + index + " has an image/video src");
-    }
-
     var html;
     if (this.s.dynamic) {
         html = this.s.dynamicEl[index].html;