From 80186df03f9cd99f86d0ab63bbfde056b0b034b5 Mon Sep 17 00:00:00 2001
From: Nathan Hopkins <natehop@gmail.com>
Date: Sat, 5 Oct 2019 09:30:52 -0600
Subject: [PATCH] Prevent duplicate lifecycle invocations

---
 javascript/stimulus_reflex.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/javascript/stimulus_reflex.js b/javascript/stimulus_reflex.js
index c0441893..cc491d39 100644
--- a/javascript/stimulus_reflex.js
+++ b/javascript/stimulus_reflex.js
@@ -134,9 +134,9 @@ const invokeLifecycleMethod = (stage, reflex, element) => {
   const reflexController = findReflexController(element, reflex)
 
   // find reflex controllers wired on this element
-  const controllers = localReflexControllers(element)
+  const controllers = new Set(localReflexControllers(element))
 
-  if (reflexController) controllers.push(reflexController)
+  if (reflexController) controllers.add(reflexController)
   if (controllers.length === 0) return
 
   controllers.forEach(controller => {