fix(matcher): preserve declared path casing when building star routes

packages/router/src/experimental/route-resolver/matchers/matcher-pattern-path-star.ts

@@ -19,12 +19,18 @@ export class MatcherPatternPathStar implements MatcherPatternPath<{
   pathMatch: string
 }> {
   private path: string
+  /**
+   * lowercase version of the path to match against.
+   * This is used to make the matching case insensitive.
+   */
+  private pathi: string
   constructor(path: string = '') {
-    this.path = path.toLowerCase()
+    this.path = path
+    this.pathi = path.toLowerCase()
   }
 
   match(path: string): { pathMatch: string } {
-    if (!path.toLowerCase().startsWith(this.path)) {
+    if (!path.toLowerCase().startsWith(this.pathi)) {
       miss()
     }
     return {

packages/router/src/experimental/route-resolver/matchers/matcher-pattern.spec.ts

@@ -126,6 +126,13 @@ describe('MatcherPatternPathStar', () => {
       const pattern = new MatcherPatternPathStar('/team/')
       expect(pattern.build({ pathMatch: '/hey' })).toBe('/team//hey')
     })
+
+    it('keeps the declared case of the prefix', () => {
+      const pattern = new MatcherPatternPathStar('/Team')
+      expect(pattern.build({ pathMatch: '/123' })).toBe('/Team/123')
+      // match() stays case insensitive
+      expect(pattern.match('/team/123')).toEqual({ pathMatch: '/123' })
+    })
   })
 })