Created client API helper

app/api/client.ts

@@ -0,0 +1,53 @@
+interface paths {
+  "/item": {
+    parameters: {
+      query: {
+        uuid: string;
+      };
+    };
+    return: Item;
+  };
+  "/items": {
+    parameters: {
+      query?: never;
+    };
+    return?: never;
+  };
+}
+
+export interface Item {
+  id: number;
+  uuid: string;
+  name: string;
+  rarity: number;
+  price: number;
+  image: string;
+}
+
+class Client {
+  baseUrl: string;
+
+  constructor(baseUrl: string) {
+    this.baseUrl = baseUrl;
+  }
+
+  GET<T extends keyof paths>(
+    path: T,
+    parameters: paths[T]["parameters"]
+  ): Promise<paths[T]["return"]> {
+    let query = parameters["query"]
+      ? "?" + new URLSearchParams(parameters["query"])
+      : "";
+    return fetch(this.baseUrl + path + query, {
+      method: "GET",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      // body: parameters ? JSON.stringify(parameters) : undefined,
+    }).then((response) => response.json());
+  }
+}
+
+const client = new Client("http://127.0.0.1:8000");
+
+export default client;