fix: unexported ShouldBlockFnLocation interface causes TS4023 (#7037)

six-standard · yook-gijun · web-flow · commit a1ab2646348c · 2026-03-26T18:06:49.000+01:00
Co-authored-by: yook-gijun &lt;gijun@dreamend.com&gt;
diff --git a/docs/router/api/router/useBlockerHook.md b/docs/router/api/router/useBlockerHook.md
@@ -20,7 +20,7 @@ The `useBlocker` hook accepts a single _required_ argument, an option object:
 - Think of this function as telling the router if it should block the navigation, so returning `true` mean that it should block the navigation and `false` meaning that it should be allowed
 
 ```ts
-interface ShouldBlockFnLocation<...> {
+type ShouldBlockFnLocation<...> = {
   routeId: TRouteId
   fullPath: TFullPath
   pathname: string
diff --git a/packages/react-router/src/useBlocker.tsx b/packages/react-router/src/useBlocker.tsx
@@ -12,12 +12,12 @@ import type {
   RegisteredRouter,
 } from '@tanstack/router-core'
 
-interface ShouldBlockFnLocation<
+type ShouldBlockFnLocation<
   out TRouteId,
   out TFullPath,
   out TAllParams,
   out TFullSearchSchema,
-> {
+> = {
   routeId: TRouteId
   fullPath: TFullPath
   pathname: string
diff --git a/packages/solid-router/src/useBlocker.tsx b/packages/solid-router/src/useBlocker.tsx
@@ -13,12 +13,12 @@ import type {
   RegisteredRouter,
 } from '@tanstack/router-core'
 
-interface ShouldBlockFnLocation<
+type ShouldBlockFnLocation<
   out TRouteId,
   out TFullPath,
   out TAllParams,
   out TFullSearchSchema,
-> {
+> = {
   routeId: TRouteId
   fullPath: TFullPath
   pathname: string
diff --git a/packages/vue-router/src/useBlocker.tsx b/packages/vue-router/src/useBlocker.tsx
@@ -12,12 +12,12 @@ import type {
   RegisteredRouter,
 } from '@tanstack/router-core'
 
-interface ShouldBlockFnLocation<
+type ShouldBlockFnLocation<
   out TRouteId,
   out TFullPath,
   out TAllParams,
   out TFullSearchSchema,
-> {
+> = {
   routeId: TRouteId
   fullPath: TFullPath
   pathname: string
