fail silently if already setup JS utilities are setup again

static/js/utils/form.js

@@ -28,7 +28,7 @@
 
   var REACTIVE_SUBMIT_BUTTON_INITIALIZED_CLASS = 'reactive-submit-button--initialized';
 
-  var reactiveButtonUtil = function(element) {
+  var reactiveSubmitButtonUtil = function(element) {
     var requiredInputs;
     var submitButton;
 
@@ -38,7 +38,7 @@
       }
 
       if (element.classList.contains(REACTIVE_SUBMIT_BUTTON_INITIALIZED_CLASS)) {
-        throw new Error('Reactive Submit Button utility already initialized!');
+        return false;
       }
 
       // abort if form has param data-formnorequired
@@ -53,7 +53,7 @@
       }
 
       var submitButtons = Array.from(element.querySelectorAll('[type="submit"]'));
-      if (!submitButtons) {
+      if (!submitButtons || !submitButtons.length) {
         throw new Error('Reactive Submit Button utility couldn\'t find any submit buttons!');
       }
       submitButton = submitButtons.reverse()[0];
@@ -109,7 +109,7 @@
   formUtilities.push({
     name: REACTIVE_SUBMIT_BUTTON_UTIL_NAME,
     selector: REACTIVE_SUBMIT_BUTTON_UTIL_SELECTOR,
-    setup: reactiveButtonUtil,
+    setup: reactiveSubmitButtonUtil,
   });
 
   /**
@@ -152,7 +152,7 @@
       }
 
       if (element.classList.contains(INTERACTIVE_FIELDSET_INITIALIZED_CLASS)) {
-        throw new Error('Interactive Fieldset utility already initialized!');
+        return false;
       }
 
       // param conditionalInput

static/js/utils/modal.js

@@ -48,7 +48,7 @@
       }
 
       if (element.classList.contains(MODAL_INITIALIZED_CLASS)) {
-        throw new Error('Modal utility already initialized!');
+        return false;
       }
 
       // param modalTrigger

static/js/utils/showHide.js

@@ -40,7 +40,7 @@
       }
 
       if (element.classList.contains(SHOW_HIDE_INITIALIZED_CLASS)) {
-        throw new Error('ShowHide utility already initialized!');
+        return false;
       }
 
       // register click listener