From d22384243d1d2b74ddc403216dab901985ede6ef Mon Sep 17 00:00:00 2001
From: "Amy J. Ko" <ajko@uw.edu>
Date: Thu, 11 Jul 2024 13:10:32 -0700
Subject: [PATCH] Fixed conditional reactivity off by one error.

---
 src/runtime/Evaluator.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/runtime/Evaluator.ts b/src/runtime/Evaluator.ts
index 58163077d..d3985f5bd 100644
--- a/src/runtime/Evaluator.ts
+++ b/src/runtime/Evaluator.ts
@@ -1550,9 +1550,9 @@ export default class Evaluator {
                         .getAncestors(streamNode)
                         .filter((node, index, array) => {
                             if (node instanceof Expression && index > 0) {
-                                const parent = array[index + 1];
-                                return parent instanceof Expression
-                                    ? parent.hasBranch(node)
+                                const child = array[index - 1];
+                                return child instanceof Expression
+                                    ? node.hasBranch(child)
                                     : false;
                             }
                             return false;