BFormTags: parameter for tagValidator function is always defined.

Author: protomors

src/App.vue

@@ -2087,8 +2087,8 @@ export default defineComponent({
       )
     }
 
-    const tagValidator = (tag: string | undefined) =>
-      !!tag && tag === tag.toLowerCase() && tag.length > 2 && tag.length < 6
+    const tagValidator = (tag: string) =>
+      tag === tag.toLowerCase() && tag.length > 2 && tag.length < 6
 
     function onTagState(valid: string[], invalid: string[], duplicate: string[]) {
       // console.log({

src/components/BFormTags/BFormTags.vue

@@ -141,7 +141,7 @@ interface BFormTagsProps {
   tagPills?: boolean
   tagRemoveLabel?: string
   tagRemovedLabel?: string
-  tagValidator?: (t?: string) => boolean
+  tagValidator?: (t: string) => boolean
   tagVariant?: ColorVariant
 }
 

src/types/components/BFormTags/BFormTags.d.ts

@@ -30,7 +30,7 @@ export interface Props {
   tagPills?: boolean
   tagRemoveLabel?: string
   tagRemovedLabel?: string
-  tagValidator?: (t: unknown) => boolean
+  tagValidator?: (t: string) => boolean
   tagVariant?: ColorVariant
 }
 // Emits