Support deleting namespaced Workers in DeleteWorker

.changelog/1737.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+workers: support deleting namespaced Workers
+```

workers.go

@@ -216,6 +216,9 @@ type ListWorkersParams struct{}
 
 type DeleteWorkerParams struct {
 	ScriptName string
+
+	// DispatchNamespaceName is the dispatch namespace the Worker is uploaded to.
+	DispatchNamespace *string
 }
 
 type PlacementMode string
@@ -242,6 +245,10 @@ func (api *API) DeleteWorker(ctx context.Context, rc *ResourceContainer, params
 	}
 
 	uri := fmt.Sprintf("/accounts/%s/workers/scripts/%s", rc.Identifier, params.ScriptName)
+	if params.DispatchNamespace != nil && *params.DispatchNamespace != "" {
+		uri = fmt.Sprintf("/accounts/%s/workers/dispatch/namespaces/%s/scripts/%s", rc.Identifier, *params.DispatchNamespace, params.ScriptName)
+	}
+
 	res, err := api.makeRequestContext(ctx, http.MethodDelete, uri, nil)
 
 	var r WorkerScriptResponse

workers_test.go

@@ -459,6 +459,23 @@ func TestDeleteWorker(t *testing.T) {
 	assert.NoError(t, err)
 }
 
+func TestDeleteNamespacedWorker(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/accounts/"+testAccountID+"/workers/dispatch/namespaces/foo/scripts/bar", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodDelete, r.Method, "Expected method 'DELETE', got %s", r.Method)
+		w.Header().Set("content-type", "application/javascript")
+		fmt.Fprint(w, deleteWorkerResponseData)
+	})
+
+	err := client.DeleteWorker(context.Background(), AccountIdentifier(testAccountID), DeleteWorkerParams{
+		ScriptName:        "bar",
+		DispatchNamespace: &[]string{"foo"}[0],
+	})
+	assert.NoError(t, err)
+}
+
 func TestGetWorker(t *testing.T) {
 	setup()
 	defer teardown()