From 2b3cd3120cd59e25c43a1b89e98c28518f02f2dd Mon Sep 17 00:00:00 2001
From: Jesse Brault <jbrault@mac.com>
Date: Mon, 27 Jan 2025 14:18:49 -0600
Subject: [PATCH] Add OutletContainer and check to renderer of Outlet.

---
 .../main/groovy/groowt/view/component/web/lib/Outlet.groovy | 6 ++++++
 .../groowt/view/component/web/lib/OutletContainer.groovy    | 5 +++++
 2 files changed, 11 insertions(+)
 create mode 100644 web-view-components/src/main/groovy/groowt/view/component/web/lib/OutletContainer.groovy

diff --git a/web-view-components/src/main/groovy/groowt/view/component/web/lib/Outlet.groovy b/web-view-components/src/main/groovy/groowt/view/component/web/lib/Outlet.groovy
index 6108771..8648e82 100644
--- a/web-view-components/src/main/groovy/groowt/view/component/web/lib/Outlet.groovy
+++ b/web-view-components/src/main/groovy/groowt/view/component/web/lib/Outlet.groovy
@@ -1,6 +1,7 @@
 package groowt.view.component.web.lib
 
 import groowt.view.View
+import groowt.view.component.ComponentRenderException
 import groowt.view.component.runtime.DefaultComponentWriter
 
 class Outlet extends DelegatingWebViewComponent {
@@ -14,6 +15,11 @@ class Outlet extends DelegatingWebViewComponent {
     @Override
     protected View getDelegate() {
         return { Writer w ->
+            if (!context.hasAncestor(OutletContainer)) {
+                throw new ComponentRenderException(
+                        "<Outlet> is being used outside of a component implementing OutletContainer."
+                )
+            }
             def cw = new DefaultComponentWriter(w, context.renderContext, context)
             givenChildren.each { cw << it }
         }
diff --git a/web-view-components/src/main/groovy/groowt/view/component/web/lib/OutletContainer.groovy b/web-view-components/src/main/groovy/groowt/view/component/web/lib/OutletContainer.groovy
new file mode 100644
index 0000000..c801530
--- /dev/null
+++ b/web-view-components/src/main/groovy/groowt/view/component/web/lib/OutletContainer.groovy
@@ -0,0 +1,5 @@
+package groowt.view.component.web.lib
+
+import groowt.view.component.web.WebViewComponent
+
+interface OutletContainer extends WebViewComponent {}
\ No newline at end of file