firebase authでエラーが起きてしまう

前提・実現したいこと

https://reffect.co.jp/react/react-firebase-auth
の模写をしている。

Firebaseへのユーザの登録の以前までは実現できたが、
importエラーが発生して、前に進めない。

importの方法変えたりしたが、エラー画面のままになってしまった。
解決策があればよろしくお願いいたします。

ソースコード
https://github.com/takoyan33/firebase-autth

発生している問題・エラーメッセージ

Compiled with problems:X

ERROR in ./src/firebase.js 13:0-22

export 'default' (imported as 'firebase') was not found in 'firebase/app' (possible exports: FirebaseError, SDK_VERSION, _DEFAULT_ENTRY_NAME, _addComponent, _addOrOverwriteComponent, _apps, _clearComponents, _components, _getProvider, _registerComponent, _removeServiceInstance, deleteApp, getApp, getApps, initializeApp, onLog, registerVersion, setLogLevel)


ERROR in ./src/firebase.js 14:20-33

export 'default' (imported as 'firebase') was not found in 'firebase/app' (possible exports: FirebaseError, SDK_VERSION, _DEFAULT_ENTRY_NAME, _addComponent, _addOrOverwriteComponent, _apps, _clearComponents, _components, _getProvider, _registerComponent, _removeServiceInstance, deleteApp, getApp, getApps, initializeApp, onLog, registerVersion, setLogLevel)


ERROR in ./src/firebase.js 13:0-22

export 'default' (imported as 'firebase') was not found in 'firebase/app' (possible exports: FirebaseError, SDK_VERSION, _DEFAULT_ENTRY_NAME, _addComponent, _addOrOverwriteComponent, _apps, _clearComponents, _components, _getProvider, _registerComponent, _removeServiceInstance, deleteApp, getApp, getApps, initializeApp, onLog, registerVersion, setLogLevel)


ERROR in ./src/firebase.js 14:20-33

export 'default' (imported as 'firebase') was not found in 'firebase/app' (possible exports: FirebaseError, SDK_VERSION, _DEFAULT_ENTRY_NAME, _addComponent, _addOrOverwriteComponent, _apps, _clearComponents, _components, _getProvider, _registerComponent, _removeServiceInstance, deleteApp, getApp, getApps, initializeApp, onLog, registerVersion, setLogLevel)

該当のソースコード

JavaScript
1//firebase.js
2
3import firebase from "firebase/app";
4import "firebase/auth";
5
6const firebaseConfig = {
7  apiKey: process.env.REACT_APP_FIREBASE_API_KEY,
8  authDomain: process.env.REACT_APP_FIREBASE_AUTH_DOMAIN,
9  projectId: process.env.REACT_APP_FIREBASE_PROJECT_ID,
10  storageBucket: process.env.REACT_APP_FIREBASE_STORAGE_BUCKET,
11  messagingSenderId: process.env.REACT_APP_FIREBASE_MESSAGE_SENDER_ID,
12  appId: process.env.REACT_APP_FIREBASE_SENDER_ID,
13};
14
15firebase.initializeApp(firebaseConfig);
16
17export const auth = firebase.auth();
18

//signUP.js
import { auth } from "../firebase";

const SignUp = () => {
  const handleSubmit = (event) => {
    event.preventDefault();
    const { email, password } = event.target.elements;
    auth.createUserWithEmailAndPassword(email.value, password.value);
  };

  return (
    <div>
      <h1>ユーザ登録</h1>
      <form onSubmit={handleSubmit}>
        <div>
          <label>メールアドレス</label>
          <input name="email" type="email" placeholder="email" />
        </div>
        <div>
          <label>パスワード</label>
          <input name="password" type="password" placeholder="password" />
        </div>
        <div>
          <button>登録</button>
        </div>
      </form>
    </div>
  );
};

export default SignUp;

補足情報（FW/ツールのバージョンなど）

"@testing-library/jest-dom": "^5.16.1",
"@testing-library/react": "^12.1.2",
"@testing-library/user-event": "^13.5.0",
"firebase": "^9.6.2",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-scripts": "5.0.0",
"web-vitals": "^2.1.3