fix some issues with latest PRs (#5242)

packages/assets/generated-icons.ts

@@ -3,6 +3,8 @@
 
 import type { FunctionalComponent, SVGAttributes } from 'vue'
 
+export type IconComponent = FunctionalComponent<SVGAttributes>
+
 import _AffiliateIcon from './icons/affiliate.svg?component'
 import _AlignLeftIcon from './icons/align-left.svg?component'
 import _ArchiveIcon from './icons/archive.svg?component'
@@ -325,8 +327,6 @@ import _XCircleIcon from './icons/x-circle.svg?component'
 import _ZoomInIcon from './icons/zoom-in.svg?component'
 import _ZoomOutIcon from './icons/zoom-out.svg?component'
 
-export type IconComponent = FunctionalComponent<SVGAttributes>
-
 export const AffiliateIcon = _AffiliateIcon
 export const AlignLeftIcon = _AlignLeftIcon
 export const ArchiveIcon = _ArchiveIcon

packages/assets/index.ts

@@ -129,14 +129,23 @@ export { default as SlimPlayerModel } from './models/slim-player.gltf?url'
 export const EmptyIllustration = _EmptyIllustration
 
 export function getCategoryIcon(categoryName: string): IconComponent | undefined {
+	if (!categoryName) {
+		return undefined
+	}
 	return categoryIconMap[categoryName.toLowerCase()]
 }
 
 export function getLoaderIcon(loaderName: string): IconComponent | undefined {
+	if (!loaderName) {
+		return undefined
+	}
 	return loaderIconMap[loaderName.toLowerCase()]
 }
 
 // will try loader first, then category
 export function getTagIcon(tagName: string): IconComponent | undefined {
+	if (!tagName) {
+		return undefined
+	}
 	return getLoaderIcon(tagName) ?? getCategoryIcon(tagName)
 }