Remember sort order

frontend/src/utils/docsort.ts

@@ -0,0 +1,15 @@
+import { Doc } from '@/repositories/Document'
+import { collator } from '@/utils'
+
+export const ordering = {
+  name: (a: Doc, b: Doc) => collator.compare(a.name, b.name),
+  modified: (a: Doc, b: Doc) => b.mtime - a.mtime,
+  size: (a: Doc, b: Doc) => b.size - a.size
+}
+export type SortOrder = keyof typeof ordering | ''
+export const sorted = (documents: Doc[], order: SortOrder) => {
+  if (!order) return documents
+  const sorted = [...documents]
+  sorted.sort(ordering[order])
+  return sorted
+}