[FA-18] Frontend bootstrapped

fictionarchive-web/src/auth/oidcClient.ts

@@ -0,0 +1,36 @@
+import { UserManager, WebStorageStateStore, type UserManagerSettings } from 'oidc-client-ts'
+
+const authority = import.meta.env.VITE_OIDC_AUTHORITY
+const clientId = import.meta.env.VITE_OIDC_CLIENT_ID
+const redirectUri = import.meta.env.VITE_OIDC_REDIRECT_URI
+const postLogoutRedirectUri =
+  import.meta.env.VITE_OIDC_POST_LOGOUT_REDIRECT_URI ?? redirectUri
+const scope = import.meta.env.VITE_OIDC_SCOPE ?? 'openid profile email'
+
+export const isOidcConfigured =
+  Boolean(authority) && Boolean(clientId) && Boolean(redirectUri)
+
+function buildSettings(): UserManagerSettings | null {
+  if (!isOidcConfigured) return null
+
+  return {
+    authority: authority!,
+    client_id: clientId!,
+    redirect_uri: redirectUri!,
+    post_logout_redirect_uri: postLogoutRedirectUri,
+    response_type: 'code',
+    scope,
+    loadUserInfo: true,
+    automaticSilentRenew: true,
+    userStore:
+      typeof window !== 'undefined'
+        ? new WebStorageStateStore({ store: window.localStorage })
+        : undefined,
+  }
+}
+
+export const userManager = (() => {
+  const settings = buildSettings()
+  if (!settings) return null
+  return new UserManager(settings)
+})()