feat(nuxt): emit error event (closes #42)

Author: johannschopplich

packages/nuxt/src/runtime/components/UnLazyImage.vue

@@ -66,6 +66,7 @@ const props = withDefaults(
 
 const emit = defineEmits<{
   (event: 'loaded', image: HTMLImageElement): void
+  (event: 'error', error: Event): void
 }>()
 
 const unlazy = useRuntimeConfig().public.unlazy as ModuleOptions
@@ -145,6 +146,7 @@ onBeforeUnmount(() => {
       :data-srcset="srcSet"
       :data-sizes="autoSizes ? 'auto' : undefined"
       loading="lazy"
+      @error="emit('error', $event)"
     >
   </picture>
   <img
@@ -156,5 +158,6 @@ onBeforeUnmount(() => {
     :data-srcset="srcSet"
     :data-sizes="autoSizes ? 'auto' : undefined"
     loading="lazy"
+    @error="emit('error', $event)"
   >
 </template>