chore: error handling

packages/resource/resource.js

@@ -80,6 +80,8 @@ export class Resource extends decorate(class {}) {
         });
       }
       return json;
+    }).catch((error) => {
+      console.error(`Failed loading '${uri}'.`);
     });
   }
 

packages/timing/animation-view.js

@@ -13,12 +13,14 @@ export class AnimationView extends Renderable {
     this.animation = animation;
     this.container = new Container();
     if (hasGraphics) {
+      if (this.animation.imageUri) {
         Image.load(this.animation.imageUri).then((image) => {
           this.sprite = new Sprite(image);
           this.container.addChild(this.sprite);
           this.resetSourceRectangle();
         });
       }
+    }
     animation.on(
       ['directionChanged', 'indexChanged'],
       this.onAnimationChanged,

packages/timing/traits/animated.trait.js

@@ -128,6 +128,8 @@ export default class Animated extends decorate(Trait) {
       });
       // Bounding box update.
       this.entity.updateVisibleBoundingBox();
+    }).catch((error) => {
+      console.error(`Failed loading some or all animations.`);
     });
   }
 
@@ -156,6 +158,8 @@ export default class Animated extends decorate(Trait) {
         }
       });
       this.setSpriteScale();
+    }).catch((error) => {
+      console.error(`Failed loading some or all animation images.`);
     });
   }