From 072e50a7db973cec31a8badd662242f0ab2562e5 Mon Sep 17 00:00:00 2001
From: devjiwonchoi <devjiwonchoi@gmail.com>
Date: Tue, 2 Jul 2024 00:17:19 +0900
Subject: [PATCH] chore: throw when three dot character is detected in segment

---
 packages/next/src/shared/lib/router/utils/sorted-routes.ts | 6 ++++++
 test/unit/page-route-sorter.test.ts                        | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/packages/next/src/shared/lib/router/utils/sorted-routes.ts b/packages/next/src/shared/lib/router/utils/sorted-routes.ts
index 973126c8e0e58..67b67f88dcaa4 100644
--- a/packages/next/src/shared/lib/router/utils/sorted-routes.ts
+++ b/packages/next/src/shared/lib/router/utils/sorted-routes.ts
@@ -94,6 +94,12 @@ class UrlNode {
         isOptional = true
       }
 
+      if (segmentName.startsWith('…')) {
+        throw new Error(
+          `Detected a three-dot character ('…') at ('${segmentName}'). Did you mean ('...')?`
+        )
+      }
+
       if (segmentName.startsWith('...')) {
         // Strip `...`, leaving only `something`
         segmentName = segmentName.substring(3)
diff --git a/test/unit/page-route-sorter.test.ts b/test/unit/page-route-sorter.test.ts
index f197a4eb2e60f..1faa8ba0bd4b9 100644
--- a/test/unit/page-route-sorter.test.ts
+++ b/test/unit/page-route-sorter.test.ts
@@ -213,4 +213,10 @@ describe('getSortedRoutes', () => {
       ])
     ).toThrow(/differ only by non-word/)
   })
+
+  it('catches param names start with three-dot character not actual three dots', () => {
+    expect(() => getSortedRoutes(['[…three-dots]'])).toThrow(
+      /Detected a three-dot character/
+    )
+  })
 })