From 1c3e920dca21c9fe6eec1e6b7365073dcd9451de Mon Sep 17 00:00:00 2001
From: Laura <laurabeatriserafim@gmail.com>
Date: Sun, 20 Sep 2020 20:06:34 -0300
Subject: [PATCH] Improve error type for routeChangeError event

---
 packages/next/next-server/lib/router/router.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/next/next-server/lib/router/router.ts b/packages/next/next-server/lib/router/router.ts
index 0ce7c5c2afce8..6b1967440302d 100644
--- a/packages/next/next-server/lib/router/router.ts
+++ b/packages/next/next-server/lib/router/router.ts
@@ -247,11 +247,16 @@ export type NextRouter = BaseRouter &
     | 'isFallback'
   >
 
+export type RouterEventError = {
+  [key: string]: any
+  cancelled: boolean
+}
+
 export type RouterHandlersMap = {
   routeChangeStart: (url: string) => void
   beforeHistoryChange: (url: string) => void
   routeChangeComplete: (url: string) => void
-  routeChangeError: (err: any, url: string) => void
+  routeChangeError: (err: RouterEventError, url: string) => void
   hashChangeStart: (url: string) => void
   hashChangeComplete: (url: string) => void
 }