diff --git a/app/assets/javascripts/my_modules/results.js b/app/assets/javascripts/my_modules/results.js
index 528270a19..2bfd3b6b1 100644
--- a/app/assets/javascripts/my_modules/results.js
+++ b/app/assets/javascripts/my_modules/results.js
@@ -192,10 +192,10 @@ function processResult(ev, resultTypeEnum, editMode, forS3) {
   switch(resultTypeEnum) {
     case ResultTypeEnum.FILE:
       var $nameInput = $form.find("#result_name");
-      var nameValid = textValidator(ev, $nameInput, TextLimitEnum.OPTIONAL,
-        TextLimitEnum.NAME_MAX_LENGTH);
+      var nameValid = textValidator(ev, $nameInput, 0, NAME_MAX_LENGTH);
       var $fileInput = $form.find("#result_asset_attributes_file");
-      var filesValid = filesValidator(ev, $fileInput, FileTypeSizeEnum.FILE, editMode);
+      var filesValid = filesValidator(ev, $fileInput, FileTypeEnum.FILE,
+        editMode);
 
       if(nameValid && filesValid) {
         if(forS3) {
@@ -210,21 +210,17 @@ function processResult(ev, resultTypeEnum, editMode, forS3) {
       break;
     case ResultTypeEnum.TABLE:
       var $nameInput = $form.find("#result_name");
-      var nameValid = textValidator(ev, $nameInput, TextLimitEnum.OPTIONAL,
-        TextLimitEnum.NAME_MAX_LENGTH);
+      var nameValid = textValidator(ev, $nameInput, 0, NAME_MAX_LENGTH);
       break;
     case ResultTypeEnum.TEXT:
       var $nameInput = $form.find("#result_name");
-      var nameValid = textValidator(ev, $nameInput, TextLimitEnum.OPTIONAL,
-        TextLimitEnum.NAME_MAX_LENGTH);
+      var nameValid = textValidator(ev, $nameInput, 0, NAME_MAX_LENGTH);
       var $textInput = $form.find("#result_result_text_attributes_text");
-      textValidator(ev, $textInput, TextLimitEnum.REQUIRED,
-        TextLimitEnum.TEXT_MAX_LENGTH);
+      textValidator(ev, $textInput, 1, TEXT_MAX_LENGTH);
       break;
     case ResultTypeEnum.COMMENT:
       var $commentInput = $form.find("#comment_message");
-      var commentValid = textValidator(ev, $commentInput, TextLimitEnum.REQUIRED,
-        TextLimitEnum.TEXT_MAX_LENGTH);
+      var commentValid = textValidator(ev, $commentInput, 1, TEXT_MAX_LENGTH);
       break;
   }
 }
diff --git a/app/assets/javascripts/projects/canvas.js b/app/assets/javascripts/projects/canvas.js
index c5bd2c647..f8b096eb6 100644
--- a/app/assets/javascripts/projects/canvas.js
+++ b/app/assets/javascripts/projects/canvas.js
@@ -1438,8 +1438,8 @@ function bindNewModuleAction(gridDistX, gridDistY) {
   function handleNewNameConfirm(ev) {
     var input = $("#new-module-name-input");
     // Validate module name
-    var moduleNameValid = textValidator(ev, input,
-      TextLimitEnum.NAME_MIN_LENGTH, TextLimitEnum.NAME_MAX_LENGTH, true);
+    var moduleNameValid = textValidator(ev, input, NAME_MIN_LENGTH,
+      NAME_MAX_LENGTH, true);
     if (moduleNameValid) {
       // Set the "clicked" property to true
       modal.data("submit", "true");
@@ -1528,8 +1528,8 @@ function initEditModules() {
   function handleRenameConfirm(modal, ev) {
     var input = modal.find("#edit-module-name-input");
     // Validate module name
-    var moduleNameValid = textValidator(ev, input,
-      TextLimitEnum.NAME_MIN_LENGTH, TextLimitEnum.NAME_MAX_LENGTH, true);
+    var moduleNameValid = textValidator(ev, input, NAME_MIN_LENGTH,
+      NAME_MAX_LENGTH, true);
     if (moduleNameValid) {
       var newName = input.val();
       var moduleId = modal.attr("data-module-id");
@@ -1636,8 +1636,7 @@ function initEditModuleGroups() {
   function handleRenameConfirm(modal, ev) {
     var input = modal.find("#edit-module-group-name-input");
     // Validate module group name
-    var moduleNameValid = textValidator(ev, input, TextLimitEnum.REQUIRED,
-      TextLimitEnum.NAME_MAX_LENGTH, true);
+    var moduleNameValid = textValidator(ev, input, 1, NAME_MAX_LENGTH, true);
     if (moduleNameValid) {
       var newModuleGroupName = input.val();
       var moduleId = modal.attr("data-module-id");
diff --git a/app/assets/javascripts/protocols/import_export/import.js.erb b/app/assets/javascripts/protocols/import_export/import.js
similarity index 99%
rename from app/assets/javascripts/protocols/import_export/import.js.erb
rename to app/assets/javascripts/protocols/import_export/import.js
index 1ff9df895..5246829ed 100644
--- a/app/assets/javascripts/protocols/import_export/import.js.erb
+++ b/app/assets/javascripts/protocols/import_export/import.js
@@ -497,7 +497,7 @@ function importProtocolFromFile(
     $.extend(data_json, params);
 
     var rough_size = roughSizeOfObject(data_json);
-    if (rough_size > <%= Constants::FILE_MAX_SIZE_MB.megabytes %>) {
+    if (rough_size > FILE_MAX_SIZE_B) {
       // Call the callback function
       resultCallback({ name: protocolJson["name"], new_name: null, status: "size_too_large" });
       return;
diff --git a/app/assets/javascripts/protocols/steps.js b/app/assets/javascripts/protocols/steps.js
index 97588f762..000a241eb 100644
--- a/app/assets/javascripts/protocols/steps.js
+++ b/app/assets/javascripts/protocols/steps.js
@@ -493,15 +493,13 @@ function processStep(ev, editMode, forS3) {
   $form.removeBlankFileForms();
 
   var $fileInputs = $form.find("input[type=file]");
-  var filesValid = filesValidator(ev, $fileInputs, FileTypeSizeEnum.FILE);
+  var filesValid = filesValidator(ev, $fileInputs, FileTypeEnum.FILE);
   var $checklists = $form.find(".nested_step_checklists");
   var checklistsValid = checklistsValidator(ev, $checklists, editMode);
   var $nameInput = $form.find("#step_name");
-  var nameValid = textValidator(ev, $nameInput, TextLimitEnum.REQUIRED,
-    TextLimitEnum.NAME_MAX_LENGTH);
+  var nameValid = textValidator(ev, $nameInput, 1, NAME_MAX_LENGTH);
   var $descrTextarea = $form.find("#step_description");
-  var descriptionValid = textValidator(ev, $descrTextarea,
-    TextLimitEnum.OPTIONAL, TextLimitEnum.TEXT_MAX_LENGTH);
+  var descriptionValid = textValidator(ev, $descrTextarea, 0, TEXT_MAX_LENGTH);
 
   if (filesValid && checklistsValid && nameValid && descriptionValid) {
     if (forS3) {
diff --git a/app/assets/javascripts/sitewide/form_validators.js.erb b/app/assets/javascripts/sitewide/form_validators.js.erb
index 17513cc6c..27d8cc102 100644
--- a/app/assets/javascripts/sitewide/form_validators.js.erb
+++ b/app/assets/javascripts/sitewide/form_validators.js.erb
@@ -18,35 +18,27 @@ $.fn.onSubmitValidator = function(validatorCb) {
   }
 };
 
-var TextLimitEnum = Object.freeze({
-  OPTIONAL: 0,
-  REQUIRED: 1,
-  NAME_MIN_LENGTH: "<%= Constants::NAME_MIN_LENGTH %>",
-  NAME_MAX_LENGTH: "<%= Constants::NAME_MAX_LENGTH %>",
-  TEXT_MAX_LENGTH: "<%= Constants::TEXT_MAX_LENGTH %>"
-});
-
 /*
  * @param {boolean} clearErr Set clearErr to true if this is the only
  * error that can happen/show.
  */
-function textValidator(ev, textInput, textLimitEnumMin, textLimitEnumMax, clearErr) {
+function textValidator(ev, textInput, textLimitMin, textLimitMax, clearErr) {
   clearErr = _.isUndefined(clearErr) ? false : clearErr;
 
   var text = $(textInput).val().trim();
   $(textInput).val(text);
-  var nameTooShort = text.length < textLimitEnumMin;
-  var nameTooLong = text.length > textLimitEnumMax;
+  var nameTooShort = text.length < textLimitMin;
+  var nameTooLong = text.length > textLimitMax;
 
   var errMsg;
   if (nameTooShort) {
-    if (textLimitEnumMin === TextLimitEnum.REQUIRED) {
+    if (textLimitMin === 1) {
       errMsg = I18n.t("general.text.not_blank");
     } else {
-      errMsg = I18n.t("general.text.length_too_short", { min_length: textLimitEnumMin });
+      errMsg = I18n.t("general.text.length_too_short", { min_length: textLimitMin });
     }
   } else if (nameTooLong) {
-    errMsg = I18n.t("general.text.length_too_long", { max_length: textLimitEnumMax });
+    errMsg = I18n.t("general.text.length_too_long", { max_length: textLimitMax });
   }
 
   var noErrors = _.isUndefined(errMsg);
@@ -71,7 +63,8 @@ function checklistsValidator(ev, checklists, editMode) {
         if ($item.css('display') != 'none') {
 
           if ($itemInput.val()) {
-            var itemNameValid = textValidator(ev, $itemInput, TextLimitEnum.REQUIRED, TextLimitEnum.TEXT_MAX_LENGTH);
+            var itemNameValid = textValidator(ev, $itemInput, 1,
+              TEXT_MAX_LENGTH);
             if (!itemNameValid) {
               noErrors = false;
             }
@@ -86,9 +79,9 @@ function checklistsValidator(ev, checklists, editMode) {
       var $checklistInput = $checklist.find(".checklist_name");
       // In edit mode, checklist's name can't be blank if any items present
       var allowBlankChklstName = !(anyChecklistItemFilled || editMode);
-      var textLimitEnumMin = allowBlankChklstName ? TextLimitEnum.OPTIONAL : TextLimitEnum.REQUIRED;
+      var textLimitMin = allowBlankChklstName ? 0 : 1;
       var checklistNameValid = textValidator(ev, $checklistInput,
-        textLimitEnumMin, TextLimitEnum.TEXT_MAX_LENGTH);
+        textLimitMin, TEXT_MAX_LENGTH);
       if (!checklistNameValid) {
         noErrors = false;
       } else if (allowBlankChklstName) {
@@ -101,9 +94,9 @@ function checklistsValidator(ev, checklists, editMode) {
   return noErrors;
 }
 
-var FileTypeSizeEnum = Object.freeze({
-  FILE: "<%= Constants::FILE_MAX_SIZE_MB.megabytes %>",
-  AVATAR: "<%= Constants::AVATAR_MAX_SIZE_MB.megabytes %>"
+var FileTypeEnum = Object.freeze({
+  FILE: 0,
+  AVATAR: 1
 });
 
 function filesValidator(ev, fileInputs, fileTypeEnum, canBeEmpty) {
@@ -138,9 +131,9 @@ function filesSizeValidator(ev, fileInputs, fileTypeEnum) {
     }
     if (file.size > fileTypeEnum) {
       switch (fileTypeEnum) {
-        case FileTypeSizeEnum.FILE:
+        case FileTypeEnum.FILE:
          return "<%= I18n.t 'general.file.size_exceeded', file_size: Constants::FILE_MAX_SIZE_MB %>".strToErrorFormat();
-        case FileTypeSizeEnum.AVATAR:
+        case FileTypeEnum.AVATAR:
           return "<%= I18n.t 'general.file.size_exceeded', file_size: Constants::AVATAR_MAX_SIZE_MB %>".strToErrorFormat();
       }
     }
diff --git a/app/assets/javascripts/users/registrations/edit.js b/app/assets/javascripts/users/registrations/edit.js
index 58223616e..69db00151 100644
--- a/app/assets/javascripts/users/registrations/edit.js
+++ b/app/assets/javascripts/users/registrations/edit.js
@@ -68,7 +68,7 @@ function processFile(ev, forS3) {
   $form.clearFormErrors();
 
   var $fileInput = $form.find("input[type=file]");
-  if(filesValidator(ev, $fileInput, FileTypeSizeEnum.AVATAR)) {
+  if(filesValidator(ev, $fileInput, FileTypeEnum.AVATAR)) {
     if(forS3) {
       // Redirects file uploading to S3
       var url = "/avatar_signature.json";