feat(tri): mémoriser les préférences de tri

app/composables/usePersistedSort.ts

@@ -0,0 +1,53 @@
+import { ref, watch } from 'vue'
+import { useCookie } from '#imports'
+
+type SortCookie = {
+  field?: string
+  direction?: string
+}
+
+const readSortCookie = (value: unknown): SortCookie | null => {
+  if (!value) {
+    return null
+  }
+  if (typeof value === 'object') {
+    return value as SortCookie
+  }
+  if (typeof value === 'string') {
+    try {
+      return JSON.parse(value) as SortCookie
+    } catch {
+      return null
+    }
+  }
+  return null
+}
+
+export const usePersistedSort = <
+  TField extends string,
+  TDirection extends string,
+>(
+  key: string,
+  defaults: { field: TField; direction: TDirection },
+) => {
+  const cookie = useCookie<string | null>(`sort:${key}`, {
+    sameSite: 'lax',
+  })
+  const stored = readSortCookie(cookie.value)
+  const sortField = ref<TField>((stored?.field as TField) || defaults.field)
+  const sortDirection = ref<TDirection>(
+    (stored?.direction as TDirection) || defaults.direction,
+  )
+
+  watch([sortField, sortDirection], () => {
+    cookie.value = JSON.stringify({
+      field: sortField.value,
+      direction: sortDirection.value,
+    })
+  })
+
+  return {
+    sortField,
+    sortDirection,
+  }
+}