6799 fix route (#6970)

Co-authored-by: wuls <[email protected]>

Author: JerryWu1234

.changeset/twenty-radios-camp.md

@@ -0,0 +1,5 @@
+---
+'@builder.io/qwik-city': patch
+---
+
+fix: Multiple rewrite routes pointing to the same route is no longer an error.

packages/qwik-city/src/buildtime/build-pages-rewrited.unit.ts

@@ -228,3 +228,32 @@ testWithDuplicatedRoutes(
     assert.equal(r.pathname, '/produkt/');
   }
 );
+
+const testSameRoutes = testAppSuite('Same route with undefined prefixes', {
+  rewriteRoutes: [
+    {
+      prefix: undefined,
+      paths: {},
+    },
+    {
+      prefix: undefined,
+      paths: {
+        produkt: 'produkt',
+      },
+    },
+    {
+      prefix: undefined,
+      paths: {
+        produkt: 'produkt',
+      },
+    },
+  ],
+});
+
+testSameRoutes(
+  'Issue #6799: Bug while using rewrite routes pointing to the same file',
+  ({ assertRoute }) => {
+    const r = assertRoute('/produkt/');
+    assert.equal(r.pathname, '/produkt/');
+  }
+);

packages/qwik-city/src/buildtime/build.ts

@@ -78,7 +78,15 @@ function rewriteRoutes(ctx: BuildContext, resolvedFiles: ReturnType<typeof resol
           return;
         }
         const routeToPush = translateRoute(route, config, configIndex);
-        translatedRoutes.push(routeToPush);
+
+        if (
+          !translatedRoutes.some(
+            (item) =>
+              item.pathname === routeToPush.pathname && item.routeName === routeToPush.routeName
+          )
+        ) {
+          translatedRoutes.push(routeToPush);
+        }
       });
     }
   });