voluptasmollitia/docs-exp/auth.oauthprovider.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [OAuthProvider](./auth.oauthprovider.md)

## OAuthProvider class

Provider for generating generic [OAuthCredential](./auth.oauthcredential.md)<!-- -->.

<b>Signature:</b>

```typescript
export declare class OAuthProvider extends BaseOAuthProvider 
```
<b>Extends:</b> BaseOAuthProvider

## Example 1


```javascript
// Sign in using a redirect.
const provider = new OAuthProvider('google.com');
// Start a sign in process for an unauthenticated user.
provider.addScope('profile');
provider.addScope('email');
await signInWithRedirect(auth, provider);
// This will trigger a full page redirect away from your app

// After returning from the redirect when your app initializes you can obtain the result
const result = await getRedirectResult(auth);
if (result) {
  // This is the signed-in user
  const user = result.user;
  // This gives you a OAuth Access Token for the provider.
  const credential = provider.credentialFromResult(auth, result);
  const token = credential.accessToken;
}

```

## Example 2


```javascript
// Sign in using a popup.
const provider = new OAuthProvider('google.com');
provider.addScope('profile');
provider.addScope('email');
const result = await signInWithPopup(auth, provider);

// The signed-in user info.
const user = result.user;
// This gives you a OAuth Access Token for the provider.
const credential = provider.credentialFromResult(auth, result);
const token = credential.accessToken;

```

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [credential(params)](./auth.oauthprovider.credential.md) |  | Creates a [OAuthCredential](./auth.oauthcredential.md) from a generic OAuth provider's access token or ID token. |
|  [credentialFromError(error)](./auth.oauthprovider.credentialfromerror.md) | <code>static</code> | Used to extract the underlying [OAuthCredential](./auth.oauthcredential.md) from a [AuthError](./auth.autherror.md) which was thrown during a sign-in, link, or reauthenticate operation. |
|  [credentialFromJSON(json)](./auth.oauthprovider.credentialfromjson.md) | <code>static</code> | Creates an [OAuthCredential](./auth.oauthcredential.md) from a JSON string or a plain object. |
|  [credentialFromResult(userCredential)](./auth.oauthprovider.credentialfromresult.md) | <code>static</code> | Used to extract the underlying [OAuthCredential](./auth.oauthcredential.md) from a [UserCredential](./auth.usercredential.md)<!-- -->. |