check data['@id'] present

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "manifesto",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "homepage": "https://github.com/edsilv/manifesto",
   "authors": [
     "edsilv <[email protected]>"

dist/client/manifesto.bundle.js

@@ -725,7 +725,7 @@ var Manifesto;
             var width = w;
             var size;
             // if an info.json has been loaded
-            if (this.externalResource && this.externalResource.data) {
+            if (this.externalResource && this.externalResource.data && this.externalResource.data['@id']) {
                 id = this.externalResource.data['@id'];
                 if (!width) {
                     width = this.externalResource.data.width;

dist/client/manifesto.js

@@ -1,4 +1,4 @@
-// manifesto.js v2.0.4 https://github.com/viewdir/manifesto
+// manifesto.js v2.0.5 https://github.com/viewdir/manifesto
 (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.manifesto = 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 (global){
 var Manifesto;
@@ -661,7 +661,7 @@ var Manifesto;
             var width = w;
             var size;
             // if an info.json has been loaded
-            if (this.externalResource && this.externalResource.data) {
+            if (this.externalResource && this.externalResource.data && this.externalResource.data['@id']) {
                 id = this.externalResource.data['@id'];
                 if (!width) {
                     width = this.externalResource.data.width;

dist/manifesto.bundle.d.ts

@@ -1,4 +1,4 @@
-// manifesto.js v2.0.4 https://github.com/viewdir/manifesto
+// manifesto.js v2.0.5 https://github.com/viewdir/manifesto
 declare module exjs {
 }
 declare module exjs {

dist/manifesto.d.ts

@@ -1,4 +1,4 @@
-// manifesto.js v2.0.4 https://github.com/viewdir/manifesto
+// manifesto.js v2.0.5 https://github.com/viewdir/manifesto
 declare module Manifesto {
     class StringValue {
         value: string;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "manifesto.js",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "IIIF Presentation API utility library for client and server",
   "main": "dist/server/manifesto.js",
   "scripts": {

src/Canvas.ts

@@ -21,7 +21,7 @@ module Manifesto {
             var size: string;
 
             // if an info.json has been loaded
-            if (this.externalResource && this.externalResource.data) {
+            if (this.externalResource && this.externalResource.data && this.externalResource.data['@id']) {
                 id = this.externalResource.data['@id'];
 
                 if (!width) {
@@ -45,19 +45,19 @@ module Manifesto {
                     var resource: IResource = firstImage.getResource();
                     var services: IService[] = resource.getServices();
 
-                    if (!width){
+                    if (!width) {
                         width = resource.getWidth();
                     }
 
-                    if (services.length){
+                    if (services.length) {
                         var service: IService = services[0];
                         id = service.id;
                         quality = Utils.getImageQuality(service.getProfile());
                     }
                 }
 
                 // todo: this is not compatible and should be moved to getThumbUri
-                if (!id){
+                if (!id) {
                     return "undefined" == typeof this.__jsonld.thumbnail
                         ? null : this.__jsonld.thumbnail;
                 }