chore: Nuxt 4 upgrade (#7426)

frontend/app/lib/api/user/recipe-units.ts

@@ -0,0 +1,19 @@
+import { BaseCRUDAPI } from "../base/base-clients";
+import type { CreateIngredientUnit, IngredientUnit } from "~/lib/api/types/recipe";
+
+const prefix = "/api";
+
+const routes = {
+  unit: `${prefix}/units`,
+  unitsUnit: (tag: string) => `${prefix}/units/${tag}`,
+  merge: `${prefix}/units/merge`,
+};
+
+export class UnitAPI extends BaseCRUDAPI<CreateIngredientUnit, IngredientUnit> {
+  baseRoute: string = routes.unit;
+  itemRoute = routes.unitsUnit;
+
+  merge(fromId: string, toId: string) {
+    return this.requests.put<IngredientUnit>(routes.merge, { fromUnit: fromId, toUnit: toId });
+  }
+}