chore: import upstream snapshot with attribution

apps/sim/app/workspace/[workspaceId]/knowledge/utils/sort.ts

@@ -0,0 +1,55 @@
+import type { KnowledgeBaseData } from '@/lib/knowledge/types'
+import type { SortOption, SortOrder } from '../components/constants'
+
+interface KnowledgeBaseWithDocCount extends KnowledgeBaseData {
+  docCount?: number
+}
+
+/**
+ * Sort knowledge bases by the specified field and order
+ */
+export function sortKnowledgeBases(
+  knowledgeBases: KnowledgeBaseData[],
+  sortBy: SortOption,
+  sortOrder: SortOrder
+): KnowledgeBaseData[] {
+  return [...knowledgeBases].sort((a, b) => {
+    let comparison = 0
+
+    switch (sortBy) {
+      case 'name':
+        comparison = a.name.localeCompare(b.name)
+        break
+      case 'createdAt':
+        comparison = new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime()
+        break
+      case 'updatedAt':
+        comparison = new Date(a.updatedAt).getTime() - new Date(b.updatedAt).getTime()
+        break
+      case 'docCount':
+        comparison =
+          ((a as KnowledgeBaseWithDocCount).docCount || 0) -
+          ((b as KnowledgeBaseWithDocCount).docCount || 0)
+        break
+    }
+
+    return sortOrder === 'asc' ? comparison : -comparison
+  })
+}
+
+/**
+ * Filter knowledge bases by search query
+ */
+export function filterKnowledgeBases(
+  knowledgeBases: KnowledgeBaseData[],
+  searchQuery: string
+): KnowledgeBaseData[] {
+  if (!searchQuery.trim()) {
+    return knowledgeBases
+  }
+
+  const query = searchQuery.toLowerCase()
+  return knowledgeBases.filter(
+    (kb) => kb.name.toLowerCase().includes(query) || kb.description?.toLowerCase().includes(query)
+  )
+}