diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index d43eae7973080b107e405612b86349ed266ae924..1de875adf708daece287fdc99905e738b0de2489 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -79,6 +79,8 @@ import initChangesDropdown from './init_changes_dropdown';
 import AbuseReports from './abuse_reports';
 import { ajaxGet, convertPermissionToBoolean } from './lib/utils/common_utils';
 import AjaxLoadingSpinner from './ajax_loading_spinner';
+import GlFieldErrors from './gl_field_errors';
+import GLForm from './gl_form';
 import U2FAuthenticate from './u2f/authenticate';
 
 (function() {
@@ -230,7 +232,7 @@ import U2FAuthenticate from './u2f/authenticate';
         case 'groups:milestones:update':
           new ZenMode();
           new gl.DueDateSelectors();
-          new gl.GLForm($('.milestone-form'), true);
+          new GLForm($('.milestone-form'), true);
           break;
         case 'projects:compare:show':
           new gl.Diff();
@@ -247,7 +249,7 @@ import U2FAuthenticate from './u2f/authenticate';
         case 'projects:issues:new':
         case 'projects:issues:edit':
           shortcut_handler = new ShortcutsNavigation();
-          new gl.GLForm($('.issue-form'), true);
+          new GLForm($('.issue-form'), true);
           new IssuableForm($('.issue-form'));
           new LabelsSelect();
           new MilestoneSelect();
@@ -271,7 +273,7 @@ import U2FAuthenticate from './u2f/authenticate';
         case 'projects:merge_requests:edit':
           new gl.Diff();
           shortcut_handler = new ShortcutsNavigation();
-          new gl.GLForm($('.merge-request-form'), true);
+          new GLForm($('.merge-request-form'), true);
           new IssuableForm($('.merge-request-form'));
           new LabelsSelect();
           new MilestoneSelect();
@@ -280,7 +282,7 @@ import U2FAuthenticate from './u2f/authenticate';
           break;
         case 'projects:tags:new':
           new ZenMode();
-          new gl.GLForm($('.tag-form'), true);
+          new GLForm($('.tag-form'), true);
           new RefSelectDropdown($('.js-branch-select'));
           break;
         case 'projects:snippets:show':
@@ -290,17 +292,17 @@ import U2FAuthenticate from './u2f/authenticate';
         case 'projects:snippets:edit':
         case 'projects:snippets:create':
         case 'projects:snippets:update':
-          new gl.GLForm($('.snippet-form'), true);
+          new GLForm($('.snippet-form'), true);
           break;
         case 'snippets:new':
         case 'snippets:edit':
         case 'snippets:create':
         case 'snippets:update':
-          new gl.GLForm($('.snippet-form'), false);
+          new GLForm($('.snippet-form'), false);
           break;
         case 'projects:releases:edit':
           new ZenMode();
-          new gl.GLForm($('.release-form'), true);
+          new GLForm($('.release-form'), true);
           break;
         case 'projects:merge_requests:show':
           new gl.Diff();
@@ -606,7 +608,7 @@ import U2FAuthenticate from './u2f/authenticate';
               new Wikis();
               shortcut_handler = new ShortcutsWiki();
               new ZenMode();
-              new gl.GLForm($('.wiki-form'), true);
+              new GLForm($('.wiki-form'), true);
               break;
             case 'snippets':
               shortcut_handler = new ShortcutsNavigation();
@@ -657,7 +659,7 @@ import U2FAuthenticate from './u2f/authenticate';
 
     Dispatcher.prototype.initFieldErrors = function() {
       $('.gl-show-field-errors').each((i, form) => {
-        new gl.GlFieldErrors(form);
+        new GlFieldErrors(form);
       });
     };
 
diff --git a/app/assets/javascripts/gl_field_error.js b/app/assets/javascripts/gl_field_error.js
index 0add707525498f40cbda8cb0e80a8128c3decb47..bd63f6f16f07013cfb60374c5bb610b5322814a5 100644
--- a/app/assets/javascripts/gl_field_error.js
+++ b/app/assets/javascripts/gl_field_error.js
@@ -54,7 +54,7 @@ const inputErrorClass = 'gl-field-error-outline';
 const errorAnchorSelector = '.gl-field-error-anchor';
 const ignoreInputSelector = '.gl-field-error-ignore';
 
-class GlFieldError {
+export default class GlFieldError {
   constructor({ input, formErrors }) {
     this.inputElement = $(input);
     this.inputDomElement = this.inputElement.get(0);
@@ -159,6 +159,3 @@ class GlFieldError {
     this.fieldErrorElement.hide();
   }
 }
-
-window.gl = window.gl || {};
-window.gl.GlFieldError = GlFieldError;
diff --git a/app/assets/javascripts/gl_field_errors.js b/app/assets/javascripts/gl_field_errors.js
index 4bef60264bb832b1aadb77057c1b661752788bb4..cf2e6d266086618a2fc8bbcb874a9f4bdd3de995 100644
--- a/app/assets/javascripts/gl_field_errors.js
+++ b/app/assets/javascripts/gl_field_errors.js
@@ -1,37 +1,35 @@
-/* eslint-disable comma-dangle, class-methods-use-this, max-len, space-before-function-paren, arrow-parens, no-param-reassign */
-
-import './gl_field_error';
+import GlFieldError from './gl_field_error';
 
 const customValidationFlag = 'gl-field-error-ignore';
 
-class GlFieldErrors {
+export default class GlFieldErrors {
   constructor(form) {
     this.form = $(form);
     this.state = {
       inputs: [],
-      valid: false
+      valid: false,
     };
     this.initValidators();
   }
 
-  initValidators () {
+  initValidators() {
     // register selectors here as needed
     const validateSelectors = [':text', ':password', '[type=email]']
-      .map((selector) => `input${selector}`).join(',');
+      .map(selector => `input${selector}`).join(',');
 
     this.state.inputs = this.form.find(validateSelectors).toArray()
-      .filter((input) => !input.classList.contains(customValidationFlag))
-      .map((input) => new window.gl.GlFieldError({ input, formErrors: this }));
+      .filter(input => !input.classList.contains(customValidationFlag))
+      .map(input => new GlFieldError({ input, formErrors: this }));
 
-    this.form.on('submit', this.catchInvalidFormSubmit);
+    this.form.on('submit', GlFieldErrors.catchInvalidFormSubmit);
   }
 
   /* Neccessary to prevent intercept and override invalid form submit
    * because Safari & iOS quietly allow form submission when form is invalid
    * and prevents disabling of invalid submit button by application.js */
 
-  catchInvalidFormSubmit (event) {
-    const $form = $(event.currentTarget);
+  static catchInvalidFormSubmit(e) {
+    const $form = $(e.currentTarget);
 
     if (!$form.attr('novalidate')) {
       if (!event.currentTarget.checkValidity()) {
@@ -50,11 +48,9 @@ class GlFieldErrors {
     });
   }
 
-  focusOnFirstInvalid () {
-    const firstInvalid = this.state.inputs.filter((input) => !input.inputDomElement.validity.valid)[0];
+  focusOnFirstInvalid() {
+    const firstInvalid = this.state.inputs
+      .filter(input => !input.inputDomElement.validity.valid)[0];
     firstInvalid.inputElement.focus();
   }
 }
-
-window.gl = window.gl || {};
-window.gl.GlFieldErrors = GlFieldErrors;
diff --git a/app/assets/javascripts/gl_form.js b/app/assets/javascripts/gl_form.js
index 4e8141b2956e023ab323a3a5a937780fba8ab7c8..48d0c12143ae0ce8ff15767be6562a26b6f650e4 100644
--- a/app/assets/javascripts/gl_form.js
+++ b/app/assets/javascripts/gl_form.js
@@ -1,104 +1,99 @@
-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-var, no-new, max-len */
-/* global GitLab */
 /* global DropzoneInput */
 /* global autosize */
 
 import GfmAutoComplete from './gfm_auto_complete';
 
-window.gl = window.gl || {};
-
-function GLForm(form, enableGFM = false) {
-  this.form = form;
-  this.textarea = this.form.find('textarea.js-gfm-input');
-  this.enableGFM = enableGFM;
-  // Before we start, we should clean up any previous data for this form
-  this.destroy();
-  // Setup the form
-  this.setupForm();
-  this.form.data('gl-form', this);
-}
-
-GLForm.prototype.destroy = function() {
-  // Clean form listeners
-  this.clearEventListeners();
-  if (this.autoComplete) {
-    this.autoComplete.destroy();
+export default class GLForm {
+  constructor(form, enableGFM = false) {
+    this.form = form;
+    this.textarea = this.form.find('textarea.js-gfm-input');
+    this.enableGFM = enableGFM;
+    // Before we start, we should clean up any previous data for this form
+    this.destroy();
+    // Setup the form
+    this.setupForm();
+    this.form.data('gl-form', this);
   }
-  return this.form.data('gl-form', null);
-};
 
-GLForm.prototype.setupForm = function() {
-  var isNewForm;
-  isNewForm = this.form.is(':not(.gfm-form)');
-  this.form.removeClass('js-new-note-form');
-  if (isNewForm) {
-    this.form.find('.div-dropzone').remove();
-    this.form.addClass('gfm-form');
-    // remove notify commit author checkbox for non-commit notes
-    gl.utils.disableButtonIfEmptyField(this.form.find('.js-note-text'), this.form.find('.js-comment-button, .js-note-new-discussion'));
-    this.autoComplete = new GfmAutoComplete(gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources);
-    this.autoComplete.setup(this.form.find('.js-gfm-input'), {
-      emojis: true,
-      members: this.enableGFM,
-      issues: this.enableGFM,
-      milestones: this.enableGFM,
-      mergeRequests: this.enableGFM,
-      labels: this.enableGFM,
-    });
-    new DropzoneInput(this.form);
-    autosize(this.textarea);
+  destroy() {
+    // Clean form listeners
+    this.clearEventListeners();
+    if (this.autoComplete) {
+      this.autoComplete.destroy();
+    }
+    this.form.data('gl-form', null);
   }
-  // form and textarea event listeners
-  this.addEventListeners();
-  gl.text.init(this.form);
-  // hide discard button
-  this.form.find('.js-note-discard').hide();
-  this.form.show();
-  if (this.isAutosizeable) this.setupAutosize();
-};
 
-GLForm.prototype.setupAutosize = function () {
-  this.textarea.off('autosize:resized')
-    .on('autosize:resized', this.setHeightData.bind(this));
+  setupForm() {
+    const isNewForm = this.form.is(':not(.gfm-form)');
+    this.form.removeClass('js-new-note-form');
+    if (isNewForm) {
+      this.form.find('.div-dropzone').remove();
+      this.form.addClass('gfm-form');
+      // remove notify commit author checkbox for non-commit notes
+      gl.utils.disableButtonIfEmptyField(this.form.find('.js-note-text'), this.form.find('.js-comment-button, .js-note-new-discussion'));
+      this.autoComplete = new GfmAutoComplete(gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources);
+      this.autoComplete.setup(this.form.find('.js-gfm-input'), {
+        emojis: true,
+        members: this.enableGFM,
+        issues: this.enableGFM,
+        milestones: this.enableGFM,
+        mergeRequests: this.enableGFM,
+        labels: this.enableGFM,
+      });
+      new DropzoneInput(this.form); // eslint-disable-line no-new
+      autosize(this.textarea);
+    }
+    // form and textarea event listeners
+    this.addEventListeners();
+    gl.text.init(this.form);
+    // hide discard button
+    this.form.find('.js-note-discard').hide();
+    this.form.show();
+    if (this.isAutosizeable) this.setupAutosize();
+  }
 
-  this.textarea.off('mouseup.autosize')
-    .on('mouseup.autosize', this.destroyAutosize.bind(this));
+  setupAutosize() {
+    this.textarea.off('autosize:resized')
+      .on('autosize:resized', this.setHeightData.bind(this));
 
-  setTimeout(() => {
-    autosize(this.textarea);
-    this.textarea.css('resize', 'vertical');
-  }, 0);
-};
+    this.textarea.off('mouseup.autosize')
+      .on('mouseup.autosize', this.destroyAutosize.bind(this));
 
-GLForm.prototype.setHeightData = function () {
-  this.textarea.data('height', this.textarea.outerHeight());
-};
+    setTimeout(() => {
+      autosize(this.textarea);
+      this.textarea.css('resize', 'vertical');
+    }, 0);
+  }
 
-GLForm.prototype.destroyAutosize = function () {
-  const outerHeight = this.textarea.outerHeight();
+  setHeightData() {
+    this.textarea.data('height', this.textarea.outerHeight());
+  }
 
-  if (this.textarea.data('height') === outerHeight) return;
+  destroyAutosize() {
+    const outerHeight = this.textarea.outerHeight();
 
-  autosize.destroy(this.textarea);
+    if (this.textarea.data('height') === outerHeight) return;
 
-  this.textarea.data('height', outerHeight);
-  this.textarea.outerHeight(outerHeight);
-  this.textarea.css('max-height', window.outerHeight);
-};
+    autosize.destroy(this.textarea);
 
-GLForm.prototype.clearEventListeners = function() {
-  this.textarea.off('focus');
-  this.textarea.off('blur');
-  return gl.text.removeListeners(this.form);
-};
+    this.textarea.data('height', outerHeight);
+    this.textarea.outerHeight(outerHeight);
+    this.textarea.css('max-height', window.outerHeight);
+  }
 
-GLForm.prototype.addEventListeners = function() {
-  this.textarea.on('focus', function() {
-    return $(this).closest('.md-area').addClass('is-focused');
-  });
-  return this.textarea.on('blur', function() {
-    return $(this).closest('.md-area').removeClass('is-focused');
-  });
-};
+  clearEventListeners() {
+    this.textarea.off('focus');
+    this.textarea.off('blur');
+    gl.text.removeListeners(this.form);
+  }
 
-window.gl.GLForm = GLForm;
+  addEventListeners() {
+    this.textarea.on('focus', function focusTextArea() {
+      $(this).closest('.md-area').addClass('is-focused');
+    });
+    this.textarea.on('blur', function blurTextArea() {
+      $(this).closest('.md-area').removeClass('is-focused');
+    });
+  }
+}
diff --git a/app/assets/javascripts/notes.js b/app/assets/javascripts/notes.js
index cf7322ba1da6ead26025e9b1cedae9ae24887352..2934cfe013cccd88b10d1cf1ac55e2df9010e870 100644
--- a/app/assets/javascripts/notes.js
+++ b/app/assets/javascripts/notes.js
@@ -19,6 +19,7 @@ import 'vendor/jquery.atwho';
 import AjaxCache from '~/lib/utils/ajax_cache';
 import Flash from './flash';
 import CommentTypeToggle from './comment_type_toggle';
+import GLForm from './gl_form';
 import loadAwardsHandler from './awards_handler';
 import './autosave';
 import './dropzone_input';
@@ -557,7 +558,7 @@ export default class Notes {
    */
   setupNoteForm(form) {
     var textarea, key;
-    new gl.GLForm(form, this.enableGFM);
+    new GLForm(form, this.enableGFM);
     textarea = form.find('.js-note-text');
     key = [
       'Note',
@@ -1152,7 +1153,7 @@ export default class Notes {
     var targetId = $originalContentEl.data('target-id');
     var targetType = $originalContentEl.data('target-type');
 
-    new gl.GLForm($editForm.find('form'), this.enableGFM);
+    new GLForm($editForm.find('form'), this.enableGFM);
 
     $editForm.find('form')
       .attr('action', postUrl)
diff --git a/app/assets/javascripts/pipeline_schedules/pipeline_schedule_form_bundle.js b/app/assets/javascripts/pipeline_schedules/pipeline_schedule_form_bundle.js
index 50c725aa3d54954d5446c976195532b9c9fc075f..f1cf6e92ef51efdf8892c726605f720114d7a803 100644
--- a/app/assets/javascripts/pipeline_schedules/pipeline_schedule_form_bundle.js
+++ b/app/assets/javascripts/pipeline_schedules/pipeline_schedule_form_bundle.js
@@ -1,5 +1,6 @@
 import Vue from 'vue';
 import Translate from '../vue_shared/translate';
+import GlFieldErrors from '../gl_field_errors';
 import intervalPatternInput from './components/interval_pattern_input.vue';
 import TimezoneDropdown from './components/timezone_dropdown';
 import TargetBranchDropdown from './components/target_branch_dropdown';
@@ -39,7 +40,7 @@ document.addEventListener('DOMContentLoaded', () => {
 
   gl.timezoneDropdown = new TimezoneDropdown();
   gl.targetBranchDropdown = new TargetBranchDropdown();
-  gl.pipelineScheduleFieldErrors = new gl.GlFieldErrors(formElement);
+  gl.pipelineScheduleFieldErrors = new GlFieldErrors(formElement);
 
   setupPipelineVariableList($('.js-pipeline-variable-list'));
 });
diff --git a/app/assets/javascripts/vue_shared/components/markdown/field.vue b/app/assets/javascripts/vue_shared/components/markdown/field.vue
index af4187fab4642a0c2e9c009da3b30c6586e8d661..8c0d9b9cda8a11fdd330d514cf937c1471009f60 100644
--- a/app/assets/javascripts/vue_shared/components/markdown/field.vue
+++ b/app/assets/javascripts/vue_shared/components/markdown/field.vue
@@ -1,5 +1,6 @@
 <script>
   import Flash from '../../../flash';
+  import GLForm from '../../../gl_form';
   import markdownHeader from './header.vue';
   import markdownToolbar from './toolbar.vue';
 
@@ -85,7 +86,7 @@
       /*
         GLForm class handles all the toolbar buttons
       */
-      return new gl.GLForm($(this.$refs['gl-form']), true);
+      return new GLForm($(this.$refs['gl-form']), true);
     },
     beforeDestroy() {
       const glForm = $(this.$refs['gl-form']).data('gl-form');
diff --git a/spec/javascripts/gl_field_errors_spec.js b/spec/javascripts/gl_field_errors_spec.js
index fa24aa426b6dd38a95effeca040d6484e21ae025..2779686a6f593bce431b02d7b2646ba8ca5ee6f8 100644
--- a/spec/javascripts/gl_field_errors_spec.js
+++ b/spec/javascripts/gl_field_errors_spec.js
@@ -1,110 +1,108 @@
 /* eslint-disable space-before-function-paren, arrow-body-style */
 
-import '~/gl_field_errors';
+import GlFieldErrors from '~/gl_field_errors';
 
-((global) => {
+describe('GL Style Field Errors', function() {
   preloadFixtures('static/gl_field_errors.html.raw');
 
-  describe('GL Style Field Errors', function() {
-    beforeEach(function() {
-      loadFixtures('static/gl_field_errors.html.raw');
-      const $form = this.$form = $('form.gl-show-field-errors');
-      this.fieldErrors = new global.GlFieldErrors($form);
-    });
+  beforeEach(function() {
+    loadFixtures('static/gl_field_errors.html.raw');
+    const $form = this.$form = $('form.gl-show-field-errors');
+    this.fieldErrors = new GlFieldErrors($form);
+  });
 
-    it('should select the correct input elements', function() {
-      expect(this.$form).toBeDefined();
-      expect(this.$form.length).toBe(1);
-      expect(this.fieldErrors).toBeDefined();
-      const inputs = this.fieldErrors.state.inputs;
-      expect(inputs.length).toBe(4);
-    });
+  it('should select the correct input elements', function() {
+    expect(this.$form).toBeDefined();
+    expect(this.$form.length).toBe(1);
+    expect(this.fieldErrors).toBeDefined();
+    const inputs = this.fieldErrors.state.inputs;
+    expect(inputs.length).toBe(4);
+  });
 
-    it('should ignore elements with custom error handling', function() {
-      const customErrorFlag = 'gl-field-error-ignore';
-      const customErrorElem = $(`.${customErrorFlag}`);
+  it('should ignore elements with custom error handling', function() {
+    const customErrorFlag = 'gl-field-error-ignore';
+    const customErrorElem = $(`.${customErrorFlag}`);
 
-      expect(customErrorElem.length).toBe(1);
+    expect(customErrorElem.length).toBe(1);
 
-      const customErrors = this.fieldErrors.state.inputs.filter((input) => {
-        return input.inputElement.hasClass(customErrorFlag);
-      });
-      expect(customErrors.length).toBe(0);
+    const customErrors = this.fieldErrors.state.inputs.filter((input) => {
+      return input.inputElement.hasClass(customErrorFlag);
     });
+    expect(customErrors.length).toBe(0);
+  });
 
-    it('should not show any errors before submit attempt', function() {
-      this.$form.find('.email').val('not-a-valid-email').keyup();
-      this.$form.find('.text-required').val('').keyup();
-      this.$form.find('.alphanumberic').val('?---*').keyup();
+  it('should not show any errors before submit attempt', function() {
+    this.$form.find('.email').val('not-a-valid-email').keyup();
+    this.$form.find('.text-required').val('').keyup();
+    this.$form.find('.alphanumberic').val('?---*').keyup();
 
-      const errorsShown = this.$form.find('.gl-field-error-outline');
-      expect(errorsShown.length).toBe(0);
-    });
+    const errorsShown = this.$form.find('.gl-field-error-outline');
+    expect(errorsShown.length).toBe(0);
+  });
 
-    it('should show errors when input valid is submitted', function() {
-      this.$form.find('.email').val('not-a-valid-email').keyup();
-      this.$form.find('.text-required').val('').keyup();
-      this.$form.find('.alphanumberic').val('?---*').keyup();
+  it('should show errors when input valid is submitted', function() {
+    this.$form.find('.email').val('not-a-valid-email').keyup();
+    this.$form.find('.text-required').val('').keyup();
+    this.$form.find('.alphanumberic').val('?---*').keyup();
 
-      this.$form.submit();
+    this.$form.submit();
 
-      const errorsShown = this.$form.find('.gl-field-error-outline');
-      expect(errorsShown.length).toBe(4);
-    });
+    const errorsShown = this.$form.find('.gl-field-error-outline');
+    expect(errorsShown.length).toBe(4);
+  });
 
-    it('should properly track validity state on input after invalid submission attempt', function() {
-      this.$form.submit();
-
-      const emailInputModel = this.fieldErrors.state.inputs[1];
-      const fieldState = emailInputModel.state;
-      const emailInputElement = emailInputModel.inputElement;
-
-      // No input
-      expect(emailInputElement).toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(true);
-      expect(fieldState.valid).toBe(false);
-
-      // Then invalid input
-      emailInputElement.val('not-a-valid-email').keyup();
-      expect(emailInputElement).toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(false);
-      expect(fieldState.valid).toBe(false);
-
-      // Then valid input
-      emailInputElement.val('email@gitlab.com').keyup();
-      expect(emailInputElement).not.toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(false);
-      expect(fieldState.valid).toBe(true);
-
-      // Then invalid input
-      emailInputElement.val('not-a-valid-email').keyup();
-      expect(emailInputElement).toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(false);
-      expect(fieldState.valid).toBe(false);
-
-      // Then empty input
-      emailInputElement.val('').keyup();
-      expect(emailInputElement).toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(true);
-      expect(fieldState.valid).toBe(false);
-
-      // Then valid input
-      emailInputElement.val('email@gitlab.com').keyup();
-      expect(emailInputElement).not.toHaveClass('gl-field-error-outline');
-      expect(fieldState.empty).toBe(false);
-      expect(fieldState.valid).toBe(true);
-    });
+  it('should properly track validity state on input after invalid submission attempt', function() {
+    this.$form.submit();
+
+    const emailInputModel = this.fieldErrors.state.inputs[1];
+    const fieldState = emailInputModel.state;
+    const emailInputElement = emailInputModel.inputElement;
+
+    // No input
+    expect(emailInputElement).toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(true);
+    expect(fieldState.valid).toBe(false);
+
+    // Then invalid input
+    emailInputElement.val('not-a-valid-email').keyup();
+    expect(emailInputElement).toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(false);
+    expect(fieldState.valid).toBe(false);
+
+    // Then valid input
+    emailInputElement.val('email@gitlab.com').keyup();
+    expect(emailInputElement).not.toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(false);
+    expect(fieldState.valid).toBe(true);
+
+    // Then invalid input
+    emailInputElement.val('not-a-valid-email').keyup();
+    expect(emailInputElement).toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(false);
+    expect(fieldState.valid).toBe(false);
+
+    // Then empty input
+    emailInputElement.val('').keyup();
+    expect(emailInputElement).toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(true);
+    expect(fieldState.valid).toBe(false);
+
+    // Then valid input
+    emailInputElement.val('email@gitlab.com').keyup();
+    expect(emailInputElement).not.toHaveClass('gl-field-error-outline');
+    expect(fieldState.empty).toBe(false);
+    expect(fieldState.valid).toBe(true);
+  });
 
-    it('should properly infer error messages', function() {
-      this.$form.submit();
-      const trackedInputs = this.fieldErrors.state.inputs;
-      const inputHasTitle = trackedInputs[1];
-      const hasTitleErrorElem = inputHasTitle.inputElement.siblings('.gl-field-error');
-      const inputNoTitle = trackedInputs[2];
-      const noTitleErrorElem = inputNoTitle.inputElement.siblings('.gl-field-error');
+  it('should properly infer error messages', function() {
+    this.$form.submit();
+    const trackedInputs = this.fieldErrors.state.inputs;
+    const inputHasTitle = trackedInputs[1];
+    const hasTitleErrorElem = inputHasTitle.inputElement.siblings('.gl-field-error');
+    const inputNoTitle = trackedInputs[2];
+    const noTitleErrorElem = inputNoTitle.inputElement.siblings('.gl-field-error');
 
-      expect(noTitleErrorElem.text()).toBe('This field is required.');
-      expect(hasTitleErrorElem.text()).toBe('Please provide a valid email address.');
-    });
+    expect(noTitleErrorElem.text()).toBe('This field is required.');
+    expect(hasTitleErrorElem.text()).toBe('Please provide a valid email address.');
   });
-})(window.gl || (window.gl = {}));
+});