add client rest api

src/lib/api/wp-rest-get-client.ts

@@ -0,0 +1,45 @@
+// src/lib/api/wp-rest-get-client.ts
+
+function joinUrl(base: string, path: string) {
+  return `${base.replace(/\/+$/, "")}/${path.replace(/^\/+/, "")}`;
+}
+
+export async function fetchWPRestGet<T = any>(
+  path: string,
+  query: Record<string, any> = {}
+): Promise<T> {
+  const baseUrl = import.meta.env.WP_REST_BASE_URL; // например: https://site.ru
+  if (!baseUrl) {
+    throw new Error("WP_REST_BASE_URL is not defined in environment variables");
+  }
+
+  const endpoint = joinUrl(baseUrl, "/wp-json/");
+  const url = new URL(joinUrl(endpoint, path));
+
+  console.log(url);
+
+  const params = new URLSearchParams();
+  for (const [k, v] of Object.entries(query)) {
+    if (v === undefined || v === null) continue;
+    if (Array.isArray(v)) v.forEach((x) => params.append(k, String(x)));
+    else params.set(k, String(v));
+  }
+  url.search = params.toString(); // URLSearchParams -> querystring [web:87]
+
+  try {
+    const response = await fetch(url.toString(), { method: "GET" });
+
+    if (!response.ok) {
+      throw new Error(`HTTP error ${response.status}`);
+    }
+
+    // WP REST почти всегда JSON
+    return (await response.json()) as T;
+  } catch (error) {
+    if (error instanceof Error) {
+      console.error("WP REST GET request failed:", error.message);
+      throw error;
+    }
+    throw new Error("Unknown error in WP REST GET request");
+  }
+}