Fix existingUser (#1051)

documentation/content/guidebook/github-oauth/$astro.md

@@ -213,7 +213,7 @@ export const get: APIRoute = async (context) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$express.md

@@ -208,7 +208,7 @@ app.get("/login/github/callback", async (req, res) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$hono.md

@@ -185,7 +185,7 @@ app.get("/login/github/callback", async (context) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$nextjs-app.md

@@ -259,7 +259,7 @@ export const GET = async (request: NextRequest) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$nextjs-pages.md

@@ -232,7 +232,7 @@ export default handler;
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$nuxt.md

@@ -231,7 +231,7 @@ export default defineEventHandler(async (event) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$solidstart.md

@@ -246,7 +246,7 @@ export const GET = async (event: APIEvent) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/$sveltekit.md

@@ -232,7 +232,7 @@ export const GET = async ({ url, cookies, locals }) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

documentation/content/guidebook/github-oauth/index.md

@@ -222,7 +222,7 @@ get("/login/github/callback", async (request: Request) => {
 
 ### Authenticate user with Lucia
 
-You can check if the user has already registered with your app by checking `GithubUserAuth.existingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
+You can check if the user has already registered with your app by checking `GithubUserAuth.getExistingUser`. Internally, this is done by checking if a [key](/basics/keys) with the Github user id already exists.
 
 If they're a new user, you can create a new Lucia user (and key) with [`GithubUserAuth.createUser()`](/reference/oauth/interfaces#createuser). The type for `attributes` property is `Lucia.DatabaseUserAttributes`, which we added `github_username` to previously. You can access the Github user data with `GithubUserAuth.githubUser`, as well as the access tokens with `GithubUserAuth.githubTokens`.
 

examples/astro/github-oauth/src/pages/login/github/callback.ts

@@ -8,7 +8,7 @@ export const get: APIRoute = async (context) => {
 	if (session) {
 		return context.redirect("/", 302); // redirect to profile page
 	}
-	const storedState = context.cookies.get("github_oauth_state").value;
+	const storedState = context.cookies.get("github_oauth_state")?.value;
 	const state = context.url.searchParams.get("state");
 	const code = context.url.searchParams.get("code");
 	// validate state