Init commit

lib/api-mock.ts

@@ -0,0 +1,36 @@
+/**
+ * API mode feature-flag.
+ *
+ * Set NEXT_PUBLIC_API_MODE=live in .env.local to switch from static mock data
+ * to real RouterOS REST API calls.
+ *
+ * Default: "mock"
+ */
+
+export const API_MODE = (
+  typeof process !== "undefined"
+    ? (process.env.NEXT_PUBLIC_API_MODE ?? "mock")
+    : "mock"
+) as "mock" | "live"
+
+export const IS_MOCK = API_MODE !== "live"
+
+/**
+ * Wrap an async data-fetch so it transparently returns mock data in "mock" mode
+ * or calls the live resolver in "live" mode.
+ *
+ * Example:
+ *   export const fetchServers = apiOr(
+ *     () => servers,                         // mock
+ *     async (cfg) => apiClient(cfg).getAll() // live
+ *   )
+ */
+export function apiOr<T, Args extends unknown[]>(
+  mock: (...args: Args) => T | Promise<T>,
+  live: (...args: Args) => T | Promise<T>,
+): (...args: Args) => Promise<T> {
+  return async (...args: Args): Promise<T> => {
+    if (IS_MOCK) return mock(...args)
+    return live(...args)
+  }
+}