async getUserInfo()

in packages/better-auth/src/social-providers/facebook.ts [120:194]
69 lines of code
5 McCabe index (conditional complexity)

		async getUserInfo(token) {
			if (options.getUserInfo) {
				return options.getUserInfo(token);
			}

			if (token.idToken) {
				const profile = decodeJwt(token.idToken) as {
					sub: string;
					email: string;
					name: string;
					picture: string;
				};

				const user = {
					id: profile.sub,
					name: profile.name,
					email: profile.email,
					picture: {
						data: {
							url: profile.picture,
							height: 100,
							width: 100,
							is_silhouette: false,
						},
					},
				};

				// https://developers.facebook.com/docs/facebook-login/limited-login/permissions
				const userMap = await options.mapProfileToUser?.({
					...user,
					email_verified: true,
				});

				return {
					user: {
						...user,
						emailVerified: true,
						...userMap,
					},
					data: profile,
				};
			}

			const fields = [
				"id",
				"name",
				"email",
				"picture",
				...(options?.fields || []),
			];
			const { data: profile, error } = await betterFetch<FacebookProfile>(
				"https://graph.facebook.com/me?fields=" + fields.join(","),
				{
					auth: {
						type: "Bearer",
						token: token.accessToken,
					},
				},
			);
			if (error) {
				return null;
			}
			const userMap = await options.mapProfileToUser?.(profile);
			return {
				user: {
					id: profile.id,
					name: profile.name,
					email: profile.email,
					image: profile.picture.data.url,
					emailVerified: profile.email_verified,
					...userMap,
				},
				data: profile,
			};
		},