fix(core): avoid circular dependency

Fixes #6508

Author: balazsorban44

packages/core/src/index.ts

@@ -34,7 +34,7 @@
 
 import { assertConfig } from "./lib/assert.js"
 import { ErrorPageLoop } from "./errors.js"
-import { AuthInternal } from "./lib/index.js"
+import { AuthInternal, skipCSRFCheck } from "./lib/index.js"
 import renderPage from "./lib/pages/index.js"
 import { logger, setLogger, type LoggerInstance } from "./lib/utils/logger.js"
 import { toInternalRequest, toResponse } from "./lib/web.js"
@@ -51,6 +51,8 @@ import type {
 import type { Provider } from "./providers/index.js"
 import { JWTOptions } from "./jwt.js"
 
+export { skipCSRFCheck }
+
 /**
  * Core functionality provided by Auth.js.
  *
@@ -298,14 +300,3 @@ export interface AuthConfig {
   trustHost?: boolean
   skipCSRFCheck?: typeof skipCSRFCheck
 }
-
-/**
- * :::danger
- * This option is inteded for framework authors.
- * :::
- *
- * Auth.js comes with built-in {@link https://authjs.dev/concepts/security#csrf CSRF} protection, but
- * if you are implementing a framework that is already protected against CSRF attacks, you can skip this check by
- * passing this value to {@link AuthConfig.skipCSRFCheck}.
- */
-export const skipCSRFCheck = Symbol("skip-csrf-check")

packages/core/src/lib/index.ts

@@ -1,5 +1,4 @@
 import { UnknownAction } from "../errors.js"
-import { skipCSRFCheck } from "../index.js"
 import { SessionStore } from "./cookie.js"
 import { init } from "./init.js"
 import renderPage from "./pages/index.js"
@@ -186,3 +185,14 @@ export async function AuthInternal<
   }
   throw new UnknownAction(`Cannot handle action: ${action}`)
 }
+
+/**
+ * :::danger
+ * This option is inteded for framework authors.
+ * :::
+ *
+ * Auth.js comes with built-in {@link https://authjs.dev/concepts/security#csrf CSRF} protection, but
+ * if you are implementing a framework that is already protected against CSRF attacks, you can skip this check by
+ * passing this value to {@link AuthConfig.skipCSRFCheck}.
+ */
+export const skipCSRFCheck = Symbol("skip-csrf-check")