Add waitForURL in page mapping

Author: ankur22

internal/js/modules/k6/browser/browser/mapping_test.go

@@ -365,6 +365,7 @@ type pageAPI interface { //nolint:interfacebloat
 	WaitForNavigation(opts sobek.Value) (*common.Response, error)
 	WaitForSelector(selector string, opts sobek.Value) (*common.ElementHandle, error)
 	WaitForTimeout(timeout int64)
+	WaitForURL(url string, opts sobek.Value) (*sobek.Promise, error)
 	Workers() []*common.Worker
 }
 

internal/js/modules/k6/browser/browser/page_mapping.go

@@ -535,6 +535,23 @@ func mapPage(vu moduleVU, p *common.Page) mapping { //nolint:gocognit,cyclop
 				return nil, nil
 			})
 		},
+		"waitForURL": func(url string, opts sobek.Value) (*sobek.Promise, error) {
+			popts := common.NewFrameWaitForURLOptions(p.Timeout())
+			if err := popts.Parse(vu.Context(), opts); err != nil {
+				return nil, fmt.Errorf("parsing waitForURL options: %w", err)
+			}
+
+			// Inject JS regex checker for URL pattern matching
+			ctx := vu.Context()
+			jsRegexChecker, err := injectURLMatcherScript(ctx, vu, p.TargetID())
+			if err != nil {
+				return nil, err
+			}
+
+			return k6ext.Promise(ctx, func() (result any, reason error) {
+				return nil, p.WaitForURL(url, popts, jsRegexChecker)
+			}), nil
+		},
 		"workers": func() *sobek.Object {
 			var mws []mapping
 			for _, w := range p.Workers() {