feat: render api data

src/App.tsx

@@ -1,24 +1,25 @@
-import React from 'react';
-import logo from './logo.svg';
+import React, { useEffect, useState } from 'react';
+
+import api from './api';
+import type { RESPONSE_DATA } from './api';
+
 import './App.css';
 
 function App() {
+  const [data, setData] = useState<RESPONSE_DATA>();
+
+  useEffect(() => {
+    const fetchData = async () => {
+      const response = await api.get.data();
+      setData(response);
+    };
+
+    fetchData();
+  }, [])
+
   return (
     <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
+      {data ? <p>{data.greeting}</p>: "no data"}      
     </div>
   );
 }

src/api/index.ts

@@ -0,0 +1,28 @@
+import getEndpoints from '../server/db';
+
+const endpoints = getEndpoints();
+
+type ENDPOINTS = keyof typeof endpoints;
+type RESPONSE_DATA = {
+  greeting: string
+};
+
+const getJson = async <T>(endpoint: ENDPOINTS): Promise<T> => {
+  const path = `http://localhost:3001/api/${endpoint}`;
+  const response = await fetch(path);
+
+  return await response.json();
+};
+
+type API = {
+  get: {
+    data: () => Promise<RESPONSE_DATA>
+  }
+};
+const api: API = {
+  get: {
+    data: () => getJson<RESPONSE_DATA>('data')
+  }
+}
+export type { RESPONSE_DATA, ENDPOINTS }
+export default api;