Building Minitwitter app succeed use javascript and ERROR use typescript.

I’m building Minitwitter app, when config to javascript the App run succeed .
while config to typescript i have the error:
Compiled with problems:

ERROR in ./src/App.js 5:0-37
Module not found: Error: Can't resolve './components/Feed' in 'G:\plasmic\typescript\minitwitter\src'

my App.js are:

import React from 'react';
import Feed from './components/Feed';
function App() {
  return <Feed />;
export default App;

There aren’t tsconfig.json in project.