From 2ee5568621d1f6ad061f85a360b231f599d467d3 Mon Sep 17 00:00:00 2001
From: "Bruce B. Anderson" <anderson.bruce.b@gmail.com>
Date: Sat, 15 Feb 2025 12:09:00 -0500
Subject: [PATCH] 0.0.884

---
 trHelpers/onMount.js | 6 ++++++
 trHelpers/onMount.ts | 8 +++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/trHelpers/onMount.js b/trHelpers/onMount.js
index 972b68d6..fa2e7f93 100644
--- a/trHelpers/onMount.js
+++ b/trHelpers/onMount.js
@@ -9,6 +9,12 @@ export async function onMount(transformer, mo, matchingElement, uows, skipInit,
         if (type === '$') {
             const { model } = transformer;
             const subModel = model[name];
+            if (subModel === undefined) {
+                model.propagator.addEventListener(name, e => {
+                    onMount(transformer, mo, matchingElement, uows, skipInit, ctx, matchingElements, observer, mountObserver);
+                }, { once: true });
+                return;
+            }
             if (Array.isArray(subModel)) {
                 const { ForEachImpl, forEachImpls } = await import('./ForEachImpl.js');
                 let forEachImpl;
diff --git a/trHelpers/onMount.ts b/trHelpers/onMount.ts
index f2ac1355..f0d60124 100644
--- a/trHelpers/onMount.ts
+++ b/trHelpers/onMount.ts
@@ -17,7 +17,13 @@ export async function onMount<TProps extends {}, TMethods = TProps, TElement = {
         const {type, name} = first;
         if(type === '$'){
             const {model} = transformer;
-            const subModel = (<any>model)[name]
+            const subModel = (<any>model)[name];
+            if(subModel === undefined) {
+                model.propagator.addEventListener(name, e => {
+                    onMount(transformer, mo, matchingElement, uows, skipInit, ctx, matchingElements, observer, mountObserver);
+                }, {once: true})
+                return;
+            }
             if(Array.isArray(subModel)){
                 const {ForEachImpl, forEachImpls} = await import('./ForEachImpl.js');
                 let forEachImpl: ForEachInterface | undefined;