From ed8bc818f4c6b21d2365cc770d4faa99a56f7d1f Mon Sep 17 00:00:00 2001
From: naokinaokiboo <naokinaokiboo@gmail.com>
Date: Tue, 27 Feb 2024 19:12:12 +0900
Subject: [PATCH] =?UTF-8?q?DOM=E3=83=84=E3=83=AA=E3=83=BC=E8=AA=AD?=
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---
 app/javascript/agreements.js | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/app/javascript/agreements.js b/app/javascript/agreements.js
index 7b465e116c3..9d9d5e7b7ba 100644
--- a/app/javascript/agreements.js
+++ b/app/javascript/agreements.js
@@ -4,15 +4,20 @@ document.addEventListener('DOMContentLoaded', () => {
   )
   const submit = document.querySelector('.js-agreements-submit')
 
-  checkboxes.forEach((element) => {
-    element.addEventListener('click', () => {
-      const isSubmit = checkboxes.every((element) => element.checked)
+  const updateSubmitButtonStateFromCheckbox = () => {
+    const isSubmit = checkboxes.every((element) => element.checked)
+    if (isSubmit) {
+      submit.classList.remove('is-disabled')
+    } else {
+      submit.classList.add('is-disabled')
+    }
+  }
 
-      if (isSubmit) {
-        submit.classList.remove('is-disabled')
-      } else {
-        submit.classList.add('is-disabled')
-      }
+  if(checkboxes.length) {
+    checkboxes.forEach((element) => {
+      element.addEventListener('click', updateSubmitButtonStateFromCheckbox)
     })
-  })
+
+    updateSubmitButtonStateFromCheckbox()
+  }
 })