svelte.sk-auth/src/providers/google.ts

import { OAuth2Provider, OAuth2ProviderConfig } from "./oauth2";

export interface GoogleProfile {
  sub: string;
  name: string;
  give_name: string;
  picture: string;
  email: string;
  email_verified: boolean;
  locale: string;
}

export interface GoogleTokens {
  access_token: string;
  expires_in: number;
  scope: string;
  token_type: string;
  id_token: string;
}

type GoogleOAuth2ProviderConfig = OAuth2ProviderConfig<GoogleProfile, GoogleTokens>;

const defaultConfig: Partial<GoogleOAuth2ProviderConfig> = {
  id: "google",
  scope: ["openid", "profile", "email"],
  accessTokenUrl: "https://accounts.google.com/o/oauth2/token",
  authorizationUrl: "https://accounts.google.com/o/oauth2/auth",
  profileUrl: "https://openidconnect.googleapis.com/v1/userinfo",
};

export class GoogleOAuth2Provider extends OAuth2Provider<GoogleOAuth2ProviderConfig> {
  constructor(config: GoogleOAuth2ProviderConfig) {
    super({
      ...defaultConfig,
      ...config,
    });
  }
}