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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 3x 3x 1x 3x 2x 2x 2x 2x 2x 2x 1x 1x 1x 1x 2x 2x 3x 1x 2x 2x 1x 2x 1x 1x 1x 1x 1x 2x 1x 1x 1x | //#region dependency injection
import {
createUserWithEmailAndPassword,
EmailAuthProvider,
fetchSignInMethodsForEmail,
GithubAuthProvider,
GoogleAuthProvider,
linkWithCredential,
signInWithEmailAndPassword,
signInWithPopup,
signOut,
type User
} from 'firebase/auth';
import {auth} from '@/config/firebase'; // ← 統一
//#endregion dependency injection
//#region method
/**
* メールログイン
* @param email
* @param password
*/
export const loginWithEmail = async (email: string, password: string) => {
return await signInWithEmailAndPassword(auth, email, password);
}
/**
* メール登録
* @param email
* @param password
*/
export const registerWithEmail = async (email: string, password: string) => {
return await createUserWithEmailAndPassword(auth, email, password);
}
/**
* プロバイダログイン（Googleのみ）＋アカウント統合
*/
export const loginWithGoogle = async (): Promise<User> => {
const provider = new GoogleAuthProvider();
try {
const result = await signInWithPopup(auth, provider);
return result.user;
} catch (error: any) {
if (error.code === 'auth/account-exists-with-different-credential') {
const email = error.customData?.email;
const pendingCred = error.credential;
if (!email || !pendingCred) {
throw new Error('このアカウントは別の方法で登録されています（統合できません）');
}
const methods = await fetchSignInMethodsForEmail(auth, email);
if (methods.includes(EmailAuthProvider.EMAIL_PASSWORD_SIGN_IN_METHOD)) {
throw new Error('email/passwordでログインしてからGoogle連携を行ってください');
} else {
throw new Error('このアカウントは別の方法で登録されています');
}
} else {
throw error;
}
}
}
/**
* GitHubリンク（ログイン後）
* @param user
*/
export const linkWithGithub = async (user: User) => {
try {
const result = await signInWithPopup(auth, new GithubAuthProvider());
const credential = GithubAuthProvider.credentialFromResult(result);
if (!credential) throw new Error('GitHub認証情報が取得できませんでした');
await linkWithCredential(user, credential);
} catch (e: any) {
if (e.code === 'auth/credential-already-in-use') {
throw new Error('このGitHubアカウントはすでに他のアカウントと紐づいています');
}
throw e;
}
}
/**
* ログアウト
*/
export const logout = async () => {
await signOut(auth);
}
//#endregion method
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