From cfb09b089a0ac8158d23a6729d54acacc5c22685 Mon Sep 17 00:00:00 2001
From: Felix Hamann <felix.hamann@campus.lmu.de>
Date: Sun, 19 May 2019 20:05:15 +0200
Subject: [PATCH] fix js utils not checking whether element is already
 initialized

---
 static/js/utils/asyncTable.js | 5 +++++
 static/js/utils/checkAll.js   | 4 ++++
 static/js/utils/massInput.js  | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/static/js/utils/asyncTable.js b/static/js/utils/asyncTable.js
index 3f4f8da56..61a8e9cfd 100644
--- a/static/js/utils/asyncTable.js
+++ b/static/js/utils/asyncTable.js
@@ -48,6 +48,10 @@
         throw new Error('Async Table utility cannot be setup without an element!');
       }
 
+      if (element.classList.contains(ASYNC_TABLE_INITIALIZED_CLASS)) {
+        return false;
+      }
+
       // param asyncTableDbHeader
       if (element.dataset.asyncTableDbHeader !== undefined) {
         asyncTableHeader = element.dataset.asyncTableDbHeader;
@@ -337,6 +341,7 @@
           callback(element);
         }
 
+        element.classList.add(ASYNC_TABLE_INITIALIZED_CLASS);
         element.classList.remove(ASYNC_TABLE_LOADING_CLASS);
       }).catch(function(err) {
         console.error(err);
diff --git a/static/js/utils/checkAll.js b/static/js/utils/checkAll.js
index 5a15e0ac7..1c207be34 100644
--- a/static/js/utils/checkAll.js
+++ b/static/js/utils/checkAll.js
@@ -30,6 +30,10 @@
         throw new Error('Check All utility cannot be setup without an element!');
       }
 
+      if (element.classList.contains(CHECK_ALL_INITIALIZED_CLASS)) {
+        return false;
+      }
+
       gatherColumns();
       setupCheckAllCheckbox();
 
diff --git a/static/js/utils/massInput.js b/static/js/utils/massInput.js
index 00f873ced..8dbccdca3 100644
--- a/static/js/utils/massInput.js
+++ b/static/js/utils/massInput.js
@@ -38,6 +38,10 @@
         throw new Error('Mass Input utility cannot be setup without an element!');
       }
 
+      if (element.classList.contains(MASS_INPUT_INITIALIZED_CLASS)) {
+        return false;
+      }
+
       massInputId = element.dataset.massInputIdent || '_';
       massInputForm = element.closest('form');