From 51631a167a70a01e755e9302e3b31f2d634b1aa5 Mon Sep 17 00:00:00 2001
From: Sacha Judd <sjudd@silverstripe.com>
Date: Mon, 21 Aug 2017 12:13:19 +1200
Subject: [PATCH] NEW Add sass-lint configuration and refactor. Refactor JS for
 AirBnB ES6 syntax

---
 .editorconfig                        |    2 +-
 .sass-lint.yml                       |  179 ++++
 client/dist/js/userforms-cms.js      |    2 +-
 client/dist/js/userforms.js          |    2 +-
 client/dist/js/userforms.js.map      |    1 +
 client/dist/styles/userforms-cms.css |    2 +-
 client/src/bundles/FieldEditor.js    |  183 ++--
 client/src/bundles/Recipient.js      |   50 +-
 client/src/bundles/UserForms.js      | 1470 +++++++++++++-------------
 client/src/styles/bundle-cms.scss    |    3 +
 client/src/styles/bundle.scss        |    3 +
 client/src/styles/userforms-cms.scss |  247 +++--
 client/src/styles/userforms.scss     |  114 +-
 client/src/styles/variables.scss     |   51 +
 package.json                         |    2 +-
 webpack.config.js                    |    4 +-
 16 files changed, 1273 insertions(+), 1042 deletions(-)
 create mode 100644 .sass-lint.yml
 create mode 100644 client/dist/js/userforms.js.map
 create mode 100644 client/src/styles/bundle-cms.scss
 create mode 100644 client/src/styles/bundle.scss
 create mode 100644 client/src/styles/variables.scss

diff --git a/.editorconfig b/.editorconfig
index 47ae637..4bbbf9c 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,7 +10,7 @@ indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[{*.yml,package.json}]
+[{*.yml,package.json,*.js,*.scss}]
 indent_size = 2
 
 # The indent size used in the package.json file cannot be changed:
diff --git a/.sass-lint.yml b/.sass-lint.yml
new file mode 100644
index 0000000..4cb623f
--- /dev/null
+++ b/.sass-lint.yml
@@ -0,0 +1,179 @@
+# sass-lint config to match the AirBNB style guide
+# See silverstripe-admin
+files:
+  include: '**/client/src/**/*.scss'
+  ignore:
+    - 'client/src/styles/legacy/*'
+    - 'src/**/*'
+options:
+  formatter: stylish
+  merge-default-rules: false
+rules:
+  # Warnings
+  # Things that require actual refactoring are marked as warnings
+  class-name-format:
+    - 1
+    - convention: hyphenatedbem
+  placeholder-name-format:
+    - 1
+    - convention: hyphenatedlowercase
+  nesting-depth:
+    - 1
+    - max-depth: 3
+  no-ids: 1
+  no-important: 1
+  no-misspelled-properties:
+    - 1
+    - extra-properties:
+       - "-moz-border-radius-topleft"
+       - "-moz-border-radius-topright"
+       - "-moz-border-radius-bottomleft"
+       - "-moz-border-radius-bottomright"
+  variable-name-format:
+    - 1
+    - allow-leading-underscore: true
+      convention: hyphenatedlowercase
+  no-extends: 1
+
+  # Warnings: these things are preferential rather than mandatory
+  no-css-comments: 1
+
+  # Errors
+  # Things that can be easily fixed are marked as errors
+  indentation:
+    - 2
+    - size: 2
+  final-newline:
+    - 2
+    - include: true
+  no-trailing-whitespace: 2
+  border-zero:
+    - 2
+    - convention: '0'
+  brace-style:
+    - 2
+    - allow-single-line: true
+  clean-import-paths:
+    - 2
+    - filename-extension: false
+      leading-underscore: false
+  no-debug: 2
+  no-empty-rulesets: 2
+  no-invalid-hex: 2
+  no-mergeable-selectors: 2
+  # no-qualifying-elements:
+  #   - 1
+  #   - allow-element-with-attribute: false
+  #     allow-element-with-class: false
+  #     allow-element-with-id: false
+  no-trailing-zero: 2
+  no-url-protocols: 2
+  quotes:
+    - 2
+    - style: double
+  space-after-bang:
+    - 2
+    - include: false
+  space-after-colon:
+    - 2
+    - include: true
+  space-after-comma:
+    - 2
+    - include: true
+  space-before-bang:
+    - 2
+    - include: true
+  space-before-brace:
+    - 2
+    - include: true
+  space-before-colon: 2
+  space-between-parens:
+    - 2
+    - include: false
+  trailing-semicolon: 2
+  url-quotes: 2
+  zero-unit: 2
+  single-line-per-selector: 2
+  one-declaration-per-line: 2
+  empty-line-between-blocks:
+    - 2
+    - ignore-single-line-rulesets: true
+
+
+  # Missing rules
+  # There are no sass-lint rules for the following AirBNB style items, but thess
+  # - Put comments on their own line
+  # - Put property delcarations before mixins
+
+  # Disabled rules
+
+  # These are other rules that we may wish to consider using in the future
+  # They are not part of the AirBNB CSS standard but they would introduce some strictness
+  # bem-depth: 0
+  # variable-for-property: 0
+  # no-transition-all: 0
+  # hex-length:
+  #   - 1
+  #   - style: short
+  # hex-notation:
+  #   - 1
+  #   - style: lowercase
+  # property-units:
+  #   - 1
+  #   - global:
+  #       - ch
+  #       - em
+  #       - ex
+  #       - rem
+  #       - cm
+  #       - in
+  #       - mm
+  #       - pc
+  #       - pt
+  #       - px
+  #       - q
+  #       - vh
+  #       - vw
+  #       - vmin
+  #       - vmax
+  #       - deg
+  #       - grad
+  #       - rad
+  #       - turn
+  #       - ms
+  #       - s
+  #       - Hz
+  #       - kHz
+  #       - dpi
+  #       - dpcm
+  #       - dppx
+  #       - '%'
+  #     per-property: {}
+  # force-attribute-nesting: 1
+  # force-element-nesting: 1
+  # force-pseudo-nesting: 1
+  # function-name-format:
+  #   - 1
+  #   - allow-leading-underscore: true
+  #     convention: hyphenatedlowercase
+  # no-color-literals: 1
+  # no-duplicate-properties: 1
+  # mixin-name-format:
+  #   - 1
+  #   - allow-leading-underscore: true
+  #     convention: hyphenatedlowercase
+  # shorthand-values:
+  #   - 1
+  #   - allowed-shorthands:
+  #       - 1
+  #       - 2
+  #       - 3
+  # leading-zero:
+  #   - 1
+  #   - include: false
+  # no-vendor-prefixes:
+  #   - 1
+  #   - additional-identifiers: []
+  #     excluded-identifiers: []
+  #     placeholder-in-extend: 1
+  # no-color-keywords: 2
diff --git a/client/dist/js/userforms-cms.js b/client/dist/js/userforms-cms.js
index c56ff51..dad27f4 100644
--- a/client/dist/js/userforms-cms.js
+++ b/client/dist/js/userforms-cms.js
@@ -1 +1 @@
-!function(t){function e(i){if(n[i])return n[i].exports;var o=n[i]={i:i,l:!1,exports:{}};return t[i].call(o.exports,o,o.exports,e),o.l=!0,o.exports}var n={};e.m=t,e.c=n,e.i=function(t){return t},e.d=function(t,n,i){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:i})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=3)}([function(t,e){t.exports=jQuery},function(t,e,n){(function(t){!function(t){t.entwine("ss",function(t){var e;t(".uf-field-editor tbody").entwine({onmatch:function(){var n,i,o=0,s=t(".uf-field-editor .ss-gridfield-buttonrow").addClass("stickyButtons"),c=t(".cms-content-header.north").height()+parseInt(t(".stickyButtons").css("padding-top"),10),r=t(".uf-field-editor");this._super(),this.find(".ss-gridfield-item").each(function(){switch(t(this).data("class")){case"EditableFormStep":return void(o=0);case"EditableFieldGroup":i=++o;break;case"EditableFieldGroupEnd":i=o--;break;default:i=o}for(t(this).toggleClass("inFieldGroup",i>0),n=1;n<=5;n++)t(this).toggleClass("inFieldGroup-level-"+n,i>=n)}),e=setInterval(function(){var t=r.offset().top;s.width("100%"),t>c||0===t?s.removeClass("stickyButtons"):s.addClass("stickyButtons")},300)},onunmatch:function(){this._super(),clearInterval(e)}}),t(".uf-field-editor .ss-gridfield-buttonrow .action").entwine({onclick:function(t){this._super(t),this.trigger("addnewinline")}}),t(".uf-field-editor").entwine({onmatch:function(){var e=this;this._super(),this.on("addnewinline",function(){e.one("reload",function(){var n,i=e.find(".ss-gridfield-item").last();"EditableFieldGroupEnd"===i.attr("data-class")?(n=i,n.prev().find(".col-Title input").focus(),i=n.add(n.prev()),n.css("visibility","hidden")):i.find(".col-Title input").focus(),void 0!==document.createElement("div").style.animationName&&i.addClass("newField"),setTimeout(function(){i.removeClass("newField").addClass("flashBackground"),t(".cms-content-fields").scrollTop(t(".cms-content-fields")[0].scrollHeight),n&&n.css("visibility","visible")},500)})})},onummatch:function(){this._super()}})})}(t)}).call(e,n(0))},function(t,e,n){(function(t){!function(t){t(document).ready(function(){var e={updateFormatSpecificFields:function(){var e=t("#SendPlain").find('input[type="checkbox"]').is(":checked");t(".field.toggle-html-only")[e?"hide":"show"](),t(".field.toggle-plain-only")[e?"show":"hide"]()}};t.entwine("udf.recipient",function(t){t("#Form_ItemEditForm").entwine({onmatch:function(){e.updateFormatSpecificFields()},onunmatch:function(){this._super()}}),t("#SendPlain").entwine({onchange:function(){e.updateFormatSpecificFields()}})})})}(t)}).call(e,n(0))},function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var i=n(1),o=(n.n(i),n(2));n.n(o)}]);
\ No newline at end of file
+!function(e){function t(i){if(n[i])return n[i].exports;var o=n[i]={i:i,l:!1,exports:{}};return e[i].call(o.exports,o,o.exports,t),o.l=!0,o.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,i){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:i})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=3)}([function(e,t){e.exports=jQuery},function(e,t,n){"use strict";var i=n(0),o=n.n(i),r=this;o.a.entwine("ss",function(){var e=null;o()(".uf-field-editor tbody").entwine({onmatch:function(){var t=0,n=0,i=0,s=o()(".uf-field-editor .ss-gridfield-buttonrow").addClass("sticky-buttons"),c=o()(".cms-content-header.north").height()+parseInt(o()(".sticky-buttons").css("padding-top"),10),u=o()(".uf-field-editor");r._super(),r.find(".ss-gridfield-item").each(function(){switch(o()(r).data("class")){case"EditableFormStep":return void(i=0);case"EditableFieldGroup":n=++i;break;case"EditableFieldGroupEnd":n=i--;break;default:n=i}for(o()(r).toggleClass("infieldgroup",n>0),t=1;t<=5;t++)o()(r).toggleClass("infieldgroup-level-"+t,n>=t)}),e=setInterval(function(){var e=u.offset().top;s.width("100%"),e>c||0===e?s.removeClass("sticky-buttons"):s.addClass("sticky-buttons")},300)},onunmatch:function(){r._super(),clearInterval(e)}}),o()(".uf-field-editor .ss-gridfield-buttonrow .action").entwine({onclick:function(e){r._super(e),r.trigger("addnewinline")}}),o()(".uf-field-editor").entwine({onmatch:function(){r._super(),r.on("addnewinline",function(){r.one("reload",function(){var e=r.find(".ss-gridfield-item").last(),t=null;"EditableFieldGroupEnd"===e.attr("data-class")?(t=e,t.prev().find(".col-Title input").focus(),e=t.add(t.prev()),t.css("visibility","hidden")):e.find(".col-Title input").focus(),e.addClass("flashBackground"),o()(".cms-content-fields").scrollTop(o()(".cms-content-fields")[0].scrollHeight),t&&t.css("visibility","visible")})})},onummatch:function(){r._super()}})})},function(e,t,n){"use strict";var i=n(0),o=n.n(i),r=this;o()(document).ready(function(){var e=o()('input[name="SendPlain"]'),t={updateFormatSpecificFields:function(){var t=e.is(":checked");o()(".field.toggle-html-only")[t?"hide":"show"](),o()(".field.toggle-plain-only")[t?"show":"hide"]()}};o.a.entwine("udf.recipient",function(){o()("#Form_ItemEditForm").entwine({onmatch:function(){t.updateFormatSpecificFields()},onunmatch:function(){r._super()}}),e.entwine({onchange:function(){t.updateFormatSpecificFields()}})})})},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),n(1),n(2)}]);
\ No newline at end of file
diff --git a/client/dist/js/userforms.js b/client/dist/js/userforms.js
index 482bade..f7dc9df 100644
--- a/client/dist/js/userforms.js
+++ b/client/dist/js/userforms.js
@@ -1 +1 @@
-!function(e){function t(r){if(n[r])return n[r].exports;var i=n[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,t),i.l=!0,i.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=1)}([function(e,t,n){(function(e){e(function(t){function n(n){var i=this;return this.$el=n instanceof e?n:t(n),this.steps=[],this.errorContainer=new r(this.$el.children(".error-container")),this.$el.on("userform.action.prev",function(e){i.prevStep()}),this.$el.on("userform.action.next",function(e){i.nextStep()}),t("#userform-progress").on("userform.progress.changestep",function(e,t){i.jumpToStep(t-1)}),this.$el.on("userform.form.valid",function(e,t){i.errorContainer.removeStepLink(t)}),this.$el.validate(this.validationOptions),t(".optionset.requiredField input").each(function(){t(this).rules("add",{required:!0})}),this}function r(n){return this.$el=n instanceof e?n:t(n),this.$el.find("h4").text(ss.i18n._t("UserForms.ERROR_CONTAINER_HEADER","Please correct the following errors and try again:")),this}function i(n){var i=this;return this.$el=n instanceof e?n:t(n),this.$elButton=t(".step-button-wrapper[data-for='"+this.$el.prop("id")+"']"),this.viewed=!1,this.valid=!1,this.id=null,this.hide(),u.DISPLAY_ERROR_MESSAGES_AT_TOP&&(this.errorContainer=new r(this.$el.find(".error-container")),a.$el.on("userform.form.error",function(e,n){i.$el.is(":visible")&&t.each(n.errorList,function(e,n){i.errorContainer.updateErrorMessage(t(n.element),n.message)})}),a.$el.on("userform.form.valid",function(e,t){i.errorContainer.removeErrorMessage(t)})),this.$elButton.on("userform.field.hide userform.field.show",function(){a.$el.trigger("userform.form.conditionalstep")}),this}function o(n){var r=this;return this.$el=n instanceof e?n:t(n),this.$buttons=this.$el.find(".step-button-jump"),this.$jsAlign=this.$el.find(".js-align"),this.$buttons.each(function(e,n){t(n).on("click",function(e){e.preventDefault(),r.$el.trigger("userform.progress.changestep",[parseInt(t(this).data("step"),10)])})}),a.$el.on("userform.form.changestep",function(e,t){r.update(t)}),a.$el.on("userform.form.conditionalstep",function(){var e=r.$buttons.filter(":visible");e.each(function(e,n){t(n).text(e+1)}),r.$el.find(".progress-bar").attr("aria-valuemax",e.length),r.$el.find(".total-step-number").text(e.length)}),this.$jsAlign.each(function(e,n){var i=t(n),o=100/(r.$jsAlign.length-1)*e+"%",s=i.innerWidth()/2*-1;i.css({left:o,marginLeft:s}),e===r.$jsAlign.length-1?i.css({marginLeft:2*s}):0===e&&i.css({marginLeft:0})}),this.update(0),this}function s(n){var r=this;return this.$el=n instanceof e?n:t(n),this.$prevButton=this.$el.find(".step-button-prev"),this.$nextButton=this.$el.find(".step-button-next"),this.$prevButton.parent().attr("aria-hidden",!1).show(),this.$nextButton.parent().attr("aria-hidden",!1).show(),this.$prevButton.on("click",function(e){e.preventDefault(),r.$el.trigger("userform.action.prev")}),this.$nextButton.on("click",function(e){e.preventDefault(),r.$el.trigger("userform.action.next")}),a.$el.on("userform.form.changestep userform.form.conditionalstep",function(){r.update()}),this.update(),this}var a=null,u={},l={show:function(){this.$el.attr("aria-hidden",!1).show()},hide:function(){this.$el.attr("aria-hidden",!0).hide()}};n.prototype.validationOptions={ignore:":hidden,ul",errorClass:"error",errorElement:"span",errorPlacement:function(e,t){e.addClass("message"),t.is(":radio")||t.parents(".checkboxset").length>0?e.insertAfter(t.closest("ul")):t.parents(".checkbox").length>0?e.insertAfter(t.next("label")):e.insertAfter(t)},invalidHandler:function(e,t){setTimeout(function(){t.currentElements.filter(".error").first().focus()},0)},submitHandler:function(e,n){var r=!0;a.currentStep&&(a.currentStep.valid=t(e).valid()),t.each(a.steps,function(e,t){t.valid||t.conditionallyHidden()||(r=!1,a.errorContainer.addStepLink(t))}),r?(t(e).removeClass("dirty"),e.submit()):a.errorContainer.show()},success:function(e){var n=t(e).attr("id"),r=n.substr(0,n.indexOf("-error")).replace(/[\\[\\]]/,"");e.remove(),a.$el.trigger("userform.form.valid",[r])}},n.prototype.addStep=function(e){!e instanceof i||(e.id=this.steps.length,this.steps.push(e))},n.prototype.setCurrentStep=function(e){e instanceof i&&(this.currentStep=e,this.currentStep.show(),e.viewed=!0,e.$el.addClass("viewed"))},n.prototype.jumpToStep=function(e,t){var n=this.steps[e],r=!1,i=void 0===t||t;if(void 0!==n){if(n.conditionallyHidden())return void(i?this.jumpToStep(e+1):this.jumpToStep(e-1));r=this.$el.valid(),this.currentStep.valid=r,!1===r&&!1===n.viewed||(this.currentStep.hide(),this.setCurrentStep(n),this.$el.trigger("userform.form.changestep",[n.id]))}},n.prototype.nextStep=function(){this.jumpToStep(this.steps.indexOf(this.currentStep)+1,!0)},n.prototype.prevStep=function(){this.jumpToStep(this.steps.indexOf(this.currentStep)-1,!1)},r.prototype.hasErrors=function(){return this.$el.find(".error-list").children().length>0},r.prototype.removeErrorMessage=function(e){this.$el.find("#"+e+"-top-error").remove(),this.hasErrors()||this.hide()},r.prototype.addStepLink=function(e){var n=e.$el.attr("id")+"-error-link",r=this.$el.find("#"+n),i=e.$el.attr("id"),o=e.$el.data("title");r.length||(r=t('<li id="'+n+'"><a href="#'+i+'">'+o+"</a></li>"),r.on("click",function(t){t.preventDefault(),a.jumpToStep(e.id)}),this.$el.find(".error-list").append(r))},r.prototype.removeStepLink=function(e){var n=t("#"+e).closest(".form-step").attr("id");this.$el.find("#"+n+"-error-link").remove(),this.$el.find(".error-list").is(":empty")&&this.hide()},r.prototype.updateErrorMessage=function(e,n){var r=e.attr("id"),i="#"+r,o=r+"-top-error",s=t("#"+o),a=e.attr("aria-describedby");if(!n)return void s.addClass("fixed");s.removeClass("fixed"),this.show(),1===s.length?s.show().find("a").html(n):(e.closest(".field[id]").each(function(){i="#"+t(this).attr("id")}),s=t("<li><a></a></li>"),s.attr("id",o).find("a").attr("href",location.pathname+location.search+i).html(n),this.$el.find("ul").append(s),a?a.match(new RegExp("\\b"+o+"\\b"))||(a+=" 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diff --git a/client/dist/js/userforms.js.map b/client/dist/js/userforms.js.map
new file mode 100644
index 0000000..6b2fa84
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exports\n \treturn __webpack_require__(__webpack_require__.s = 4);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 12c490e16f467d30b10a","module.exports = jQuery;\n\n\n//////////////////\n// WEBPACK FOOTER\n// external \"jQuery\"\n// module id = 0\n// module chunks = 0","/**\n * form builder behaviour.\n */\n\n (function($) {\n\t$.entwine('ss', function($) {\n\t\tvar stickyHeaderInterval;\n\n\t\t$(\".uf-field-editor tbody\").entwine({\n\t\t\tonmatch: function() {\n\t\t\t\tvar i, \n\t\t\t\t\tthisLevel, \n\t\t\t\t\tdepth = 0,\n\t\t\t\t\t$buttonrow = $('.uf-field-editor .ss-gridfield-buttonrow').addClass('stickyButtons'),\n\t\t\t\t\tnavHeight = $('.cms-content-header.north').height() + parseInt($('.stickyButtons').css('padding-top'), 10),\n\t\t\t\t\tfieldEditor = $('.uf-field-editor'),\n\t\t\t\t\tself = this;\n\n\t\t\t\tthis._super();\n\t\t\t\t\n\t\t\t\t// Loop through all rows and set necessary styles\n\t\t\t\tthis.find('.ss-gridfield-item').each(function() {\n\t\t\t\t\tswitch($(this).data('class')) {\n\t\t\t\t\t\tcase 'EditableFormStep': {\n\t\t\t\t\t\t\tdepth = 0;\n\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcase 'EditableFieldGroup': {\n\t\t\t\t\t\t\tthisLevel = ++depth;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcase 'EditableFieldGroupEnd': {\n\t\t\t\t\t\t\tthisLevel = depth--;\n\t\t\t\t\t\t\tbreak;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tdefault: {\n\t\t\t\t\t\t\tthisLevel = depth;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t\t$(this).toggleClass('inFieldGroup', thisLevel > 0);\n\t\t\t\t\tfor(i = 1; i <= 5; i++) {\n\t\t\t\t\t\t$(this).toggleClass('inFieldGroup-level-'+i, thisLevel >= i);\n\t\t\t\t\t}\n\t\t\t\t});\n\n\t\t\t\t// Make sure gridfield buttons stick to top of page when user scrolls down\n\t\t\t\tstickyHeaderInterval = setInterval(function () {\n\t\t\t\t\tvar offsetTop = fieldEditor.offset().top;\n\t\t\t\t\t$buttonrow.width('100%');\n\t\t\t\t\tif (offsetTop > navHeight || offsetTop === 0) {\n\t\t\t\t\t\t$buttonrow.removeClass('stickyButtons');\n\t\t\t\t\t} else {\n\t\t\t\t\t\t$buttonrow.addClass('stickyButtons');\n\t\t\t\t\t};\n\t\t\t\t}, 300);\n\t\t\t},\n\t\t\tonunmatch: function () {\n\t\t\t\tthis._super();\n\n\t\t\t\tclearInterval(stickyHeaderInterval);\n\t\t\t}\n\t\t});\n\n\t\t// When new fields are added..\n\t\t$('.uf-field-editor .ss-gridfield-buttonrow .action').entwine({\n\t\t\tonclick: function (e) {\n\t\t\t\tthis._super(e);\n\n\t\t\t\tthis.trigger('addnewinline');\n\t\t\t}\n\t\t});\n\n\t\t$('.uf-field-editor').entwine({\n\t\t\tonmatch: function () {\n\t\t\t\tvar self = this;\n\n\t\t\t\tthis._super();\n\t\t\t\t\t\n\t\t\t\t// When the 'Add field' button is clicked set a one time listener.\n\t\t\t\t// When the GridField is reloaded focus on the newly added field.\n\t\t\t\tthis.on('addnewinline', function () {\n\t\t\t\t\tself.one('reload', function () {\n\t\t\t\t\t\t//If fieldgroup, focus on the start marker\n\t\t\t\t\t\tvar $newField = self.find('.ss-gridfield-item').last(), $groupEnd;\n\t\t\t\t\t\tif ($newField.attr('data-class') === 'EditableFieldGroupEnd') {\n\t\t\t\t\t\t\t$groupEnd = $newField;\n\t\t\t\t\t\t\t$groupEnd.prev().find('.col-Title input').focus();\n\t\t\t\t\t\t\t$newField = $groupEnd.add($groupEnd.prev());\n\t\t\t\t\t\t\t$groupEnd.css('visibility', 'hidden');\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t$newField.find('.col-Title input').focus();\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// animate the row positioning (add the first class)\n\t\t\t\t\t\tif (document.createElement('div').style.animationName !== void 0) {\n\t\t\t\t\t\t\t$newField.addClass('newField');\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Once the animation has completed\n\t\t\t\t\t\tsetTimeout(function () {\n\t\t\t\t\t\t\t$newField.removeClass('newField').addClass('flashBackground');\n\t\t\t\t\t\t\t$(\".cms-content-fields\").scrollTop($(\".cms-content-fields\")[0].scrollHeight);\n\t\t\t\t\t\t\tif($groupEnd) {\n\t\t\t\t\t\t\t\t$groupEnd.css('visibility', 'visible');\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}, 500);\n\t\t\t\t\t});\n\t\t\t\t});\n\t\t\t},\n\t\t\tonummatch: function () {\n\t\t\t\tthis._super();\n\t\t\t}\n\t\t});\n\t});\n}(jQuery));\n\n\n\n// WEBPACK FOOTER //\n// ./client/src/bundles/FieldEditor.js","/**\n * Email recipient behaviour.\n */\n\n(function ($) {\n\t$(document).ready(function () {\n\n\t\tvar recipient = {\n\t\t\t// Some fields are only visible when HTML email are being sent.\n\t\t\tupdateFormatSpecificFields: function () {\n\t\t\t\tvar sendPlainChecked = $('#SendPlain')\n\t\t\t\t\t.find('input[type=\"checkbox\"]')\n\t\t\t\t\t.is(':checked');\n\n\t\t\t\t$(\".field.toggle-html-only\")[sendPlainChecked ? 'hide' : 'show']();\n\t\t\t\t$(\".field.toggle-plain-only\")[sendPlainChecked ? 'show' : 'hide']();\n\t\t\t}\n\t\t};\n\n\t\t$.entwine('udf.recipient', function ($) {\n\t\t\t$('#Form_ItemEditForm').entwine({\n\t\t\t\tonmatch: function () {\n\t\t\t\t\trecipient.updateFormatSpecificFields();\n\t\t\t\t},\n\t\t\t\tonunmatch: function () {\n\t\t\t\t\tthis._super();\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t$('#SendPlain').entwine({\n\t\t\t\tonchange: function () {\n\t\t\t\t\trecipient.updateFormatSpecificFields();\n\t\t\t\t}\n\t\t\t});\n\t\t});\n\t});\n}(jQuery));\n\n\n\n// WEBPACK FOOTER //\n// ./client/src/bundles/Recipient.js","/**\n * @file Manages the multi-step navigation.\n */\njQuery(function ($) {\n\n\t// A reference to the UserForm instance.\n\tvar userform = null;\n\n\t// Settings that come from the CMS.\n\tvar CONSTANTS = {};\n\n\t// Common functions that extend multiple classes.\n\tvar commonMixin = {\n\t\t/**\n\t\t * @func show\n\t\t * @desc Show the form step. Looks after aria attributes too.\n\t\t */\n\t\tshow: function () {\n\t\t\tthis.$el.attr('aria-hidden', false).show();\n\t\t},\n\t\t/**\n\t\t * @func hide\n\t\t * @desc Hide the form step. Looks after aria attributes too.\n\t\t */\n\t\thide: function () {\n\t\t\tthis.$el.attr('aria-hidden', true).hide();\n\t\t}\n\t};\n\n\t/**\n\t * @func UserForm\n\t * @constructor\n\t * @param {object} element\n\t * @return {object} - The UserForm instance.\n\t * @desc The form\n\t */\n\tfunction UserForm(element) {\n\t\tvar self = this;\n\n\t\tthis.$el = element instanceof jQuery ? element : $(element);\n\t\tthis.steps = [];\n\n\t\t// Add an error container which displays a list of invalid steps on form submission.\n\t\tthis.errorContainer = new ErrorContainer(this.$el.children('.error-container'));\n\n\t\t// Listen for events triggered by form steps.\n\t\tthis.$el.on('userform.action.prev', function (e) {\n\t\t\tself.prevStep();\n\t\t});\n\t\tthis.$el.on('userform.action.next', function (e) {\n\t\t\tself.nextStep();\n\t\t});\n\n\t\t// Listen for events triggered by the progress bar.\n\t\t$('#userform-progress').on('userform.progress.changestep', function (e, stepNumber) {\n\t\t\tself.jumpToStep(stepNumber - 1);\n\t\t});\n\n\t\t// When a field becomes valid, remove errors from the error container.\n\t\tthis.$el.on('userform.form.valid', function (e, fieldId) {\n\t\t\tself.errorContainer.removeStepLink(fieldId);\n\t\t});\n\n\t\tthis.$el.validate(this.validationOptions);\n\n\t\t// Ensure checkbox groups are validated correctly\n\t\t$('.optionset.requiredField input').each(function() {\n\t\t    $(this).rules('add', {\n\t\t        required: true\n\t\t    });\n\t\t});\n\n\t\treturn this;\n\t}\n\n\t/*\n\t * Default options for step validation. These get extended in main().\n\t */\n\tUserForm.prototype.validationOptions = {\n\t\tignore: ':hidden,ul',\n\t\terrorClass: 'error',\n\t\terrorElement: 'span',\n\t\terrorPlacement: function (error, element) {\n\t\t\terror.addClass('message');\n\n\t\t\tif (element.is(':radio') || element.parents('.checkboxset').length > 0) {\n\t\t\t\terror.insertAfter(element.closest('ul'));\n\t\t\t} else if (element.parents('.checkbox').length > 0) {\n\t\t\t\terror.insertAfter(element.next('label'));\n\t\t\t} else {\n\t\t\t\terror.insertAfter(element);\n\t\t\t}\n\t\t},\n\t\tinvalidHandler: function (event, validator) {\n\t\t\t//setTimeout 0 so it runs after errorPlacement\n\t\t\tsetTimeout(function () {\n\t\t\t\tvalidator.currentElements.filter('.error').first().focus();\n\t\t\t}, 0);\n\t\t},\n\t\t// Callback for handling the actual submit when the form is valid.\n\t\t// Submission in the jQuery.validate sence is handled at step level.\n\t\t// So when the final step is submitted we have to also check all previous steps are valid.\n\t\tsubmitHandler: function (form, e) {\n\t\t\tvar isValid = true;\n\n\t\t\t// validate the current step\n\t\t\tif(userform.currentStep) {\n\t\t\t\tuserform.currentStep.valid = $(form).valid();\n\t\t\t}\n\n\t\t\t// Check for invalid previous steps.\n\t\t\t$.each(userform.steps, function (i, step) {\n\t\t\t\tif (!step.valid && !step.conditionallyHidden()) {\n\t\t\t\t\tisValid = false;\n\t\t\t\t\tuserform.errorContainer.addStepLink(step);\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tif (isValid) {\n\n\t\t\t\t// When using the \"are you sure?\" plugin, ensure the form immediately submits.\n\t\t\t\t$(form).removeClass('dirty');\n\n\t\t\t\tform.submit();\n\t\t\t} else {\n\t\t\t\tuserform.errorContainer.show();\n\t\t\t}\n\t\t},\n\t\t// When a field becomes valid.\n\t\tsuccess: function (error) {\n\t\t\tvar errorId = $(error).attr('id'),\n\t\t\t\tfieldId = errorId.substr(0, errorId.indexOf('-error')).replace(/[\\\\[\\\\]]/, '');\n\n\t\t\t// Remove square brackets since jQuery.validate.js uses idOrName,\n\t\t\t// which breaks further on when using a selector that end with\n\t\t\t// square brackets.\n\n\t\t\terror.remove();\n\n\t\t\t// Pass the field's ID with the event.\n\t\t\tuserform.$el.trigger('userform.form.valid', [fieldId]);\n\t\t}\n\t};\n\n\t/**\n\t * @func UserForm.addStep\n\t * @param {object} step - An instance of FormStep.\n\t * @desc Adds a step to the UserForm.\n\t */\n\tUserForm.prototype.addStep = function (step) {\n\t\t// Make sure we're dealing with a form step.\n\t\tif (!step instanceof FormStep) {\n\t\t\treturn;\n\t\t}\n\n\t\tstep.id = this.steps.length;\n\n\t\tthis.steps.push(step);\n\t};\n\n\t/**\n\t * @func UserForm.setCurrentStep\n\t * @param {object} step - An instance of FormStep.\n\t * @desc Sets the step the user is currently on.\n\t */\n\tUserForm.prototype.setCurrentStep = function (step) {\n\t\t// Make sure we're dealing with a form step.\n\t\tif (!(step instanceof FormStep)) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.currentStep = step;\n\t\tthis.currentStep.show();\n\n\t\t// Record the user has viewed the step.\n\t\tstep.viewed = true;\n\t\tstep.$el.addClass('viewed');\n\t};\n\n\t/**\n\t * @func UserForm.jumpToStep\n\t * @param {number} stepNumber\n\t * @param {boolean} [direction] - Defaults to forward (true).\n\t * @desc Jumps to a specific form step.\n\t */\n\tUserForm.prototype.jumpToStep = function (stepNumber, direction) {\n\t\tvar targetStep = this.steps[stepNumber],\n\t\t\tisValid = false,\n\t\t\tforward = direction === void 0 ? true : direction;\n\n\t\t// Make sure the target step exists.\n\t\tif (targetStep === void 0) {\n\t\t\treturn;\n\t\t}\n\n\t\t// Make sure the step we're trying to set as current is not\n\t\t// hidden by custom display rules. If it is then jump to the next step.\n\t\tif (targetStep.conditionallyHidden()) {\n\t\t\tif (forward) {\n\t\t\t\tthis.jumpToStep(stepNumber + 1);\n\t\t\t} else {\n\t\t\t\tthis.jumpToStep(stepNumber - 1);\n\t\t\t}\n\n\t\t\treturn;\n\t\t}\n\n\t\t// Validate the form.\n\t\t// This well effectivly validate the current step and not the entire form.\n\t\t// This is because hidden fields are excluded from validation, and all fields\n\t\t// on all other steps, are currently hidden.\n\t\tisValid = this.$el.valid();\n\n\t\t// Set the 'valid' property on the current step.\n\t\tthis.currentStep.valid = isValid;\n\n\t\t// Users can navigate to step's they've already viewed even if the current step is invalid.\n\t\tif (isValid === false && targetStep.viewed === false) {\n\t\t\treturn;\n\t\t}\n\n\t\tthis.currentStep.hide();\n\t\tthis.setCurrentStep(targetStep);\n\n\t\tthis.$el.trigger('userform.form.changestep', [targetStep.id]);\n\t};\n\n\t/**\n\t * @func UserForm.nextStep\n\t * @desc Advances the form to the next step.\n\t */\n\tUserForm.prototype.nextStep = function () {\n\t\tthis.jumpToStep(this.steps.indexOf(this.currentStep) + 1, true);\n\t};\n\n\t/**\n\t * @func UserForm.prevStep\n\t * @desc Goes back one step (not bound to browser history).\n\t */\n\tUserForm.prototype.prevStep = function () {\n\t\tthis.jumpToStep(this.steps.indexOf(this.currentStep) - 1, false);\n\t};\n\n\t/**\n\t * @func ErrorContainer\n\t * @constructor\n\t * @param {object} element - The error container element.\n\t * @return {object} - The ErrorContainer instance.\n\t * @desc Creates an error container. Used to display step error messages at the top.\n\t */\n\tfunction ErrorContainer(element) {\n\t\tthis.$el = element instanceof jQuery ? element : $(element);\n\n\t\t// Set the error container's heading.\n\t\tthis.$el.find('h4').text(ss.i18n._t('UserForms.ERROR_CONTAINER_HEADER', 'Please correct the following errors and try again:'));\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * @func hasErrors\n\t * @return boolean\n\t * @desc Checks if the error container has any error messages.\n\t */\n\tErrorContainer.prototype.hasErrors = function () {\n\t\treturn this.$el.find('.error-list').children().length > 0;\n\t};\n\n\t/**\n\t * @func removeErrorMessage\n\t * @desc Removes an error message from the error container.\n\t */\n\tErrorContainer.prototype.removeErrorMessage = function (fieldId) {\n\t\tthis.$el.find('#' + fieldId + '-top-error').remove();\n\n\t\t// If there are no more error then hide the container.\n\t\tif (!this.hasErrors()) {\n\t\t\tthis.hide();\n\t\t}\n\t};\n\n\t/**\n\t * @func addStepLink\n\t * @param {object} step - FormStep instance.\n\t * @desc Adds a link to a form step as an error message.\n\t */\n\tErrorContainer.prototype.addStepLink = function (step) {\n\t\tvar self = this,\n\t\t\titemID = step.$el.attr('id') + '-error-link',\n\t\t\t$itemElement = this.$el.find('#' + itemID),\n\t\t\tstepID = step.$el.attr('id'),\n\t\t\tstepTitle = step.$el.data('title');\n\n\t\t// If the item already exists we don't need to do anything.\n\t\tif ($itemElement.length) {\n\t\t\treturn;\n\t\t}\n\n\t\t$itemElement = $('<li id=\"' + itemID + '\"><a href=\"#' + stepID + '\">' + stepTitle + '</a></li>');\n\n\t\t$itemElement.on('click', function (e) {\n\t\t\te.preventDefault();\n\t\t\tuserform.jumpToStep(step.id);\n\t\t});\n\n\t\tthis.$el.find('.error-list').append($itemElement);\n\t};\n\n\t/**\n\t * @func removeStepLink\n\t * @param {object} step - FormStep instance.\n\t * @desc Removes a step link from the error container.\n\t */\n\tErrorContainer.prototype.removeStepLink = function (fieldId) {\n\t\tvar stepID = $('#' + fieldId).closest('.form-step').attr('id');\n\n\t\tthis.$el.find('#' + stepID + '-error-link').remove();\n\n\t\t// Hide the error container if we've just removed the last error.\n\t\tif (this.$el.find('.error-list').is(':empty')) {\n\t\t\tthis.hide();\n\t\t}\n\t};\n\n\t/**\n\t * @func ErrorContainer.updateErrorMessage\n\t * @param {object} $input - The jQuery input object which contains the field to validate.\n\t * @param {object} message - The error message to display (html escaped).\n\t * @desc Update an error message (displayed at the top of the form).\n\t */\n\tErrorContainer.prototype.updateErrorMessage = function ($input, message) {\n\t\tvar inputID = $input.attr('id'),\n\t\t\tanchor = '#' + inputID,\n\t\t\telementID = inputID + '-top-error',\n\t\t\tmessageElement = $('#' + elementID),\n\t\t\tdescribedBy = $input.attr('aria-describedby');\n\n\t\t// The 'message' param will be an empty string if the field is valid.\n\t\tif (!message) {\n\t\t\t// Style issues as fixed if they already exist\n\t\t\tmessageElement.addClass('fixed');\n\t\t\treturn;\n\t\t}\n\n\t\tmessageElement.removeClass('fixed');\n\n\t\tthis.show();\n\n\t\tif (messageElement.length === 1) {\n\t\t\t// Update the existing error message.\n\t\t\tmessageElement.show().find('a').html(message);\n\t\t} else {\n\t\t\t// Generate better link to field\n\t\t\t$input.closest('.field[id]').each(function(){\n\t\t\t\tanchor = '#' + $(this).attr('id');\n\t\t\t});\n\n\t\t\t// Add a new error message\n\t\t\tmessageElement = $('<li><a></a></li>');\n\t\t\tmessageElement\n\t\t\t\t.attr('id', elementID)\n\t\t\t\t.find('a')\n\t\t\t\t\t.attr('href', location.pathname + location.search + anchor)\n\t\t\t\t\t.html(message);\n\n\t\t\tthis.$el.find('ul').append(messageElement);\n\n\t\t\t// link back to original input via aria\n\t\t\t// Respect existing non-error aria-describedby\n\t\t\tif (!describedBy) {\n\t\t\t\tdescribedBy = elementID;\n\t\t\t} else if (!describedBy.match(new RegExp('\\\\b' + elementID + '\\\\b'))) {\n\t\t\t\t// Add to end of list if not already present\n\t\t\t\tdescribedBy += \" \" + elementID;\n\t\t\t}\n\n\t\t\t$input.attr('aria-describedby', describedBy);\n\t\t}\n\t};\n\n\t/**\n\t * @func FormStep\n\t * @constructor\n\t * @param {object} element\n\t * @return {object} - The FormStep instance.\n\t * @desc Creates a form step.\n\t */\n\tfunction FormStep(element) {\n\t\tvar self = this;\n\n\t\tthis.$el = element instanceof jQuery ? element : $(element);\n\n\t\t// Find button for this step\n\t\tthis.$elButton = $(\".step-button-wrapper[data-for='\" + this.$el.prop('id') + \"']\");\n\n\t\t// Has the step been viewed by the user?\n\t\tthis.viewed = false;\n\n\t\t// Is the form step valid?\n\t\t// This value is used on form submission, which fails, if any of the steps are invalid.\n\t\tthis.valid = false;\n\n\t\t// The internal id of the step. Used for getting the step from the UserForm.steps array.\n\t\tthis.id = null;\n\n\t\tthis.hide();\n\n\t\tif (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {\n\t\t\tthis.errorContainer = new ErrorContainer(this.$el.find('.error-container'));\n\n\t\t\t// Listen for errors on the UserForm.\n\t\t\tuserform.$el.on('userform.form.error', function (e, validator) {\n\t\t\t\t// The step only cares about errors if it's currently visible.\n\t\t\t\tif (!self.$el.is(':visible')) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Add or update each error in the list.\n\t\t\t\t$.each(validator.errorList, function (i, error) {\n\t\t\t\t\tself.errorContainer.updateErrorMessage($(error.element), error.message);\n\t\t\t\t});\n\t\t\t});\n\n\t\t\t// Listen for fields becoming valid\n\t\t\tuserform.$el.on('userform.form.valid', function (e, fieldId) {\n\t\t\t\tself.errorContainer.removeErrorMessage(fieldId);\n\t\t\t});\n\t\t}\n\n\t\t// Ensure that page visibilty updates the step navigation\n\t\tthis\n\t\t\t.$elButton\n\t\t\t.on('userform.field.hide userform.field.show', function(){\n\t\t\t\tuserform.$el.trigger('userform.form.conditionalstep');\n\t\t\t});\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * Determine if this step is conditionally disabled\n\t *\n\t * @returns {Boolean}\n\t */\n\tFormStep.prototype.conditionallyHidden = function(){\n\t\t// Because the element itself could be visible but 0 height, so check visibility of button\n\t\treturn ! this\n\t\t\t.$elButton\n\t\t\t.find('button')\n\t\t\t.is(':visible');\n\t};\n\n\t/**\n\t * @func ProgressBar\n\t * @constructor\n\t * @param {object} element\n\t * @return {object} - The Progress bar instance.\n\t * @desc Creates a progress bar.\n\t */\n\tfunction ProgressBar(element) {\n\t\tvar self = this;\n\n\t\tthis.$el = element instanceof jQuery ? element : $(element);\n\t\tthis.$buttons = this.$el.find('.step-button-jump');\n\t\tthis.$jsAlign = this.$el.find('.js-align');\n\n\t\t// Update the progress bar when 'step' buttons are clicked.\n\t\tthis.$buttons.each(function (i, stepButton) {\n\t\t\t$(stepButton).on('click', function (e) {\n\t\t\t\te.preventDefault();\n\t\t\t\tself.$el.trigger('userform.progress.changestep', [parseInt($(this).data('step'), 10)]);\n\t\t\t});\n\t\t});\n\n\t\t// Update the progress bar when 'prev' and 'next' buttons are clicked.\n\t\tuserform.$el.on('userform.form.changestep', function (e, stepID) {\n\t\t\tself.update(stepID);\n\t\t});\n\n\t\t// Listen for steps being conditionally shown / hidden by display rules.\n\t\t// We need to update step related UI like the number of step buttons\n\t\t// and any text that shows the total number of steps.\n\t\tuserform.$el.on('userform.form.conditionalstep', function () {\n\t\t\t// Update the step numbers on the buttons.\n\t\t\tvar $visibleButtons = self.$buttons.filter(':visible');\n\n\t\t\t$visibleButtons.each(function (i, button) {\n\t\t\t\t$(button).text(i + 1);\n\t\t\t});\n\n\t\t\t// Update the actual progress bar.\n\t\t\tself.$el.find('.progress-bar').attr('aria-valuemax', $visibleButtons.length);\n\n\t\t\t// Update any text that uses the total number of steps.\n\t\t\tself.$el.find('.total-step-number').text($visibleButtons.length);\n\t\t});\n\n\t\t// Spaces out the steps below progress bar evenly\n\t\tthis.$jsAlign.each(function (index, button) {\n\t\t\tvar $button = $(button),\n\t\t\t\tleftPercent = (100 / (self.$jsAlign.length - 1) * index + '%'),\n\t\t\t\tbuttonOffset = -1 * ($button.innerWidth() / 2);\n\n\t\t\t$button.css({left: leftPercent, marginLeft: buttonOffset});\n\n\t\t\t// First and last buttons are kept within userform-progress container\n\t\t\tif (index === self.$jsAlign.length - 1) {\n\t\t\t\t$button.css({marginLeft: buttonOffset * 2});\n\t\t\t} else if (index === 0) {\n\t\t\t\t$button.css({marginLeft: 0});\n\t\t\t}\n\t\t});\n\n\t\tthis.update(0);\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * @func ProgressBar.update\n\t * @param {number} stepID - Zero based index of the new step.\n\t * @desc Update the progress element to show a new step.\n\t */\n\tProgressBar.prototype.update = function (stepID) {\n\t\tvar $newStepElement = $($('.form-step')[stepID]),\n\t\t\tstepNumber = 0,\n\t\t\tbarWidth = stepID / (this.$buttons.length - 1) * 100;\n\n\t\t// Set the current step number.\n\t\tthis.$buttons.each(function (i, button) {\n\t\t\tif (i > stepID) {\n\t\t\t\treturn false; // break the loop\n\t\t\t}\n\n\t\t\tif ($(button).is(':visible')) {\n\t\t\t\tstepNumber += 1;\n\t\t\t}\n\t\t});\n\n\t\t// Update elements that contain the current step number.\n\t\tthis.$el.find('.current-step-number').each(function (i, element) {\n\t\t\t$(element).text(stepNumber);\n\t\t});\n\n\t\t// Update aria attributes.\n\t\tthis.$el.find('[aria-valuenow]').each(function (i, element) {\n\t\t\t$(element).attr('aria-valuenow', stepNumber);\n\t\t});\n\n\t\t// Update the CSS classes on step buttons.\n\t\tthis.$buttons.each(function (i, element) {\n\t\t\tvar $element = $(element),\n\t\t\t\t$item = $element.parent();\n\n\t\t\tif (parseInt($element.data('step'), 10) === stepNumber && $element.is(':visible')) {\n\t\t\t\t$item.addClass('current viewed');\n\t\t\t\t$element.removeAttr('disabled');\n\n\t\t\t\treturn;\n\t\t\t}\n\n\t\t\t$item.removeClass('current');\n\t\t});\n\n\t\t// Update the progress bar's title with the new step's title.\n\t\tthis.$el.siblings('.progress-title').text($newStepElement.data('title'));\n\n\t\t// Update the width of the progress bar.\n\t\tbarWidth = barWidth ? barWidth + '%' : '';\n\t\tthis.$el.find('.progress-bar').width(barWidth);\n\t};\n\n\t/**\n\t * @func FormActions\n\t * @constructor\n\t * @param {object} element\n\t * @desc Creates the navigation and actions (Prev, Next, Submit buttons).\n\t */\n\tfunction FormActions (element) {\n\t\tvar self = this;\n\n\t\tthis.$el = element instanceof jQuery ? element : $(element);\n\n\t\tthis.$prevButton = this.$el.find('.step-button-prev');\n\t\tthis.$nextButton = this.$el.find('.step-button-next');\n\n\t\t// Show the buttons.\n\t\tthis.$prevButton.parent().attr('aria-hidden', false).show();\n\t\tthis.$nextButton.parent().attr('aria-hidden', false).show();\n\n\t\t// Bind the step navigation event listeners.\n\t\tthis.$prevButton.on('click', function (e) {\n\t\t\te.preventDefault();\n\t\t\tself.$el.trigger('userform.action.prev');\n\t\t});\n\t\tthis.$nextButton.on('click', function (e) {\n\t\t\te.preventDefault();\n\t\t\tself.$el.trigger('userform.action.next');\n\t\t});\n\n\t\t// Listen for changes to the current form step, or conditional pages,\n\t\t// so we can show hide buttons appropriatly.\n\t\tuserform.$el.on('userform.form.changestep userform.form.conditionalstep', function () {\n\t\t\tself.update();\n\t\t});\n\n\t\tthis.update();\n\n\t\treturn this;\n\t}\n\n\t/**\n\t * @func FormAcrions.update\n\t * @param {number} stepID - Zero based ID of the current step.\n\t * @desc Updates the form actions element to reflect the current state of the page.\n\t */\n\tFormActions.prototype.update = function () {\n\t\tvar numberOfSteps = userform.steps.length,\n\t\t\tstepID = userform.currentStep ? userform.currentStep.id : 0,\n\t\t\ti, lastStep;\n\n\t\t// Update the \"Prev\" button.\n\t\tthis.$el.find('.step-button-prev')[stepID === 0 ? 'hide' : 'show']();\n\n\t\t// Find last step, skipping hidden ones\n\t\tfor(i = numberOfSteps - 1; i >= 0; i--) {\n\t\t\tlastStep = userform.steps[i];\n\n\t\t\t// Skip if step is hidden\n\t\t\tif(lastStep.conditionallyHidden()) {\n\t\t\t\tcontinue;\n\t\t\t}\n\n\t\t\t// Update the \"Next\" button.\n\t\t\tthis.$el.find('.step-button-next')[stepID >= i ? 'hide' : 'show']();\n\n\t\t\t// Update the \"Actions\".\n\t\t\tthis.$el.find('.Actions')[stepID >= i ? 'show' : 'hide']();\n\n\t\t\t// Stop processing last step\n\t\t\tbreak;\n\t\t}\n\t};\n\n\t/**\n\t * @func main\n\t * @desc Bootstraps the front-end.\n\t */\n\tfunction main() {\n\t\tvar progressBar = null,\n\t\t\tformActions = null,\n\t\t\t$userform = $('.userform');\n\n\t\t// If there's no userform, do nothing.\n\t\tif ($userform.length === 0) {\n\t\t\treturn;\n\t\t}\n\n\t\tCONSTANTS.ENABLE_LIVE_VALIDATION = $userform.data('livevalidation') !== void 0;\n\t\tCONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP = $userform.data('toperrors') !== void 0;\n\n\t\t// Extend the default validation options with conditional options\n\t\t// that are set by the user in the CMS.\n\t\tif (CONSTANTS.ENABLE_LIVE_VALIDATION === false) {\n\t\t\t$.extend(UserForm.prototype.validationOptions, {\n\t\t\t\tonfocusout: false\n\t\t\t});\n\t\t}\n\n\t\tif (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {\n\t\t\t$.extend(UserForm.prototype.validationOptions, {\n\t\t\t\t// Callback for custom code when an invalid form / step is submitted.\n\t\t\t\tinvalidHandler: function (event, validator) {\n\t\t\t\t\t$userform.trigger('userform.form.error', [validator]);\n\t\t\t\t},\n\t\t\t\tonfocusout: false\n\t\t\t});\n\t\t}\n\n\t\t// Display all the things that are hidden when JavaScript is disabled.\n\t\t$('.userform-progress, .step-navigation').attr('aria-hidden', false).show();\n\n\t\t// Extend classes with common functionality.\n\t\t$.extend(FormStep.prototype, commonMixin);\n\t\t$.extend(ErrorContainer.prototype, commonMixin);\n\n\t\tuserform = new UserForm($userform);\n\n\t\t// Conditionally hide field labels and use HTML5 placeholder instead.\n\t\tif (CONSTANTS.HIDE_FIELD_LABELS) {\n\t\t\t$userform.find('label.left').each(function () {\n\t\t\t\tvar $label = $(this);\n\n\t\t\t\t$('[name=\"' + $label.attr('for') + '\"]').attr('placeholder', $label.text());\n\t\t\t\t$label.remove();\n\t\t\t});\n\t\t}\n\n\t\t// Initialise the form steps.\n\t\tuserform.$el.find('.form-step').each(function (i, element) {\n\t\t\tvar step = new FormStep(element);\n\n\t\t\tuserform.addStep(step);\n\t\t});\n\n\t\tuserform.setCurrentStep(userform.steps[0]);\n\n\t\t// Initialise actions and progressbar\n\t\tprogressBar = new ProgressBar($('#userform-progress'));\n\t\tformActions = new FormActions($('#step-navigation'));\n\n\t\t// Enable jQuery UI datepickers\n\t\t$(document).on('click', 'input.text[data-showcalendar]', function() {\n\t\t\tvar $element = $(this);\n\n\t\t\t$element.ssDatepicker();\n\n\t\t\tif($element.data('datepicker')) {\n\t\t\t\t$element.datepicker('show');\n\t\t\t}\n\t\t});\n\n\t\t// Make sure the form doesn't expire on the user. Pings every 3 mins.\n\t\tsetInterval(function () {\n\t\t\t$.ajax({ url: 'UserDefinedForm_Controller/ping' });\n\t\t}, 180 * 1000);\n\n\t\t// Bind a confirmation message when navigating away from a partially completed form.\n\t\tvar form = $('form.userform');\n\t\tif(typeof form.areYouSure != 'undefined') {\n\t\t\tform.areYouSure({\n\t\t\t\tmessage: ss.i18n._t('UserForms.LEAVE_CONFIRMATION', 'You have unsaved changes!')\n\t\t\t});\n\t\t}\n\t}\n\n\tmain();\n});\n\n\n\n// WEBPACK FOOTER //\n// ./client/src/bundles/UserForms.js","require('./UserForms.js');\nrequire('./FieldEditor.js');\nrequire('./Recipient.js');\n// @todo lang translations\n\n\n\n// WEBPACK FOOTER //\n// ./client/src/bundles/bundle.js"],"sourceRoot":""}
\ No newline at end of file
diff --git a/client/dist/styles/userforms-cms.css b/client/dist/styles/userforms-cms.css
index 0023d3e..a35bcaf 100644
--- a/client/dist/styles/userforms-cms.css
+++ b/client/dist/styles/userforms-cms.css
@@ -1 +1 @@
-@-webkit-keyframes rowSlide{0%{top:20%}to{top:80%}}@-o-keyframes rowSlide{0%{top:20%}to{top:80%}}@keyframes rowSlide{0%{top:20%}to{top:80%}}@-webkit-keyframes flashBackground{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}@-o-keyframes flashBackground{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}@keyframes flashBackground{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}.cms .uf-field-editor{padding-bottom:0}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item{height:46px}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item:hover{background:#fff}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item td{border-right-width:0;border-top:1px solid #eee}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item td:last-child{border-right-width:1px}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item .handle{min-height:46px}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.newField{position:fixed;-webkit-animation:rowSlide .5s ease forwards;-o-animation:rowSlide .5s ease forwards;animation:rowSlide .5s ease forwards}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.flashBackground{-webkit-animation:flashBackground 2s linear;-o-animation:flashBackground 2s linear;animation:flashBackground 2s linear}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.ui-sortable-placeholder{height:50px}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup:hover{background:#f2f9fd}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup td{border-bottom:0;border-top:1px solid #eee}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup .col-reorder,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup .handle{background:#bee0f8;border-top:0}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup.inFieldGroup-level-2 .col-reorder,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup.inFieldGroup-level-2 .handle{background:#99cef4;border-top:0}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup.inFieldGroup-level-3 .col-reorder,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item.inFieldGroup.inFieldGroup-level-3 .handle{background:#89bef4;border-top:0}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep],.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]:hover{background:#dae2e7}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep] label{font-weight:700;color:#000;font-size:1.1em}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep] td{border-top:1px solid #a6b6c1}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]+.ss-gridfield-item td{border-top:1px solid #dae2e7}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroup] td,.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]+.ss-gridfield-item[data-class=EditableFieldGroup] td{border-top:1px solid #a8d7f5}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroup] label{font-weight:700;color:#444}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] td{border-bottom:1px solid #a8d7f5}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd]+.ss-gridfield-item[data-class=EditableFieldGroupEnd]{border-top:0}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] .col-buttons .action{display:none}.cms .uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] label{color:#777}.cms .uf-field-editor .stickyButtons{position:fixed;top:40px;z-index:2;background:#e6eaed;-webkit-box-shadow:0 12px 4px -8px #999;box-shadow:0 12px 4px -8px #999;padding:12px;margin-left:-12px}.cms .uf-field-editor .stickyButtons button.action{margin-bottom:0}.cms .uf-field-editor .stickyButtons~.ss-gridfield-table{margin-top:40px}
\ No newline at end of file
+@-webkit-keyframes flash-background{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}@-o-keyframes flash-background{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}@keyframes flash-background{0%{background-color:#fff}10%{background-color:#dcfedd}70%{background-color:#dcfedd}}.uf-field-editor{padding-bottom:0}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item{height:46px}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item:hover{background:#fff}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item td{border-right-width:0;border-top:1px solid #999}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item td:last-child{border-right-width:1px}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item .handle{min-height:46px}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.flash-background{-webkit-animation:flash-background 2s linear;-o-animation:flash-background 2s linear;animation:flash-background 2s linear}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.ui-sortable-placeholder{height:50px}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup:hover{background:#f2f9fd}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup td{border-bottom:0;border-top:1px solid #999}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup .col-reorder,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup .handle{background:#bee0f8;border-top:0}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup.infieldgroup-level-2 .col-reorder,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup.infieldgroup-level-2 .handle{background:#99cef4;border-top:0}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup.infieldgroup-level-3 .col-reorder,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item.infieldgroup.infieldgroup-level-3 .handle{background:#89bef4;border-top:0}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep],.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]:hover{background:#dae2e7}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep] label{font-weight:700;color:#000;font-size:1.1em}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep] td{border-top:1px solid #a6b6c1}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]+.ss-gridfield-item td{border-top:1px solid #dae2e7}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroup] td,.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFormStep]+.ss-gridfield-item[data-class=EditableFieldGroup] td{border-top:1px solid #a8d7f5}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroup] label{font-weight:700;color:#444}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] td{border-bottom:1px solid #a8d7f5}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd]+.ss-gridfield-item[data-class=EditableFieldGroupEnd]{border-top:0}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] .col-buttons .action{display:none}.uf-field-editor table.ss-gridfield-table .ss-gridfield-item[data-class=EditableFieldGroupEnd] label{color:#777}.uf-field-editor .sticky-buttons{position:fixed;top:40px;z-index:2;background:#999;-webkit-box-shadow:0 12px -4px #999;box-shadow:0 12px -4px #999;padding:12px;margin-left:-12px}.uf-field-editor .sticky-buttons button.action{margin-bottom:0}.uf-field-editor .sticky-buttons~.ss-gridfield-table{margin-top:40px}
\ No newline at end of file
diff --git a/client/src/bundles/FieldEditor.js b/client/src/bundles/FieldEditor.js
index ff825aa..b73e742 100644
--- a/client/src/bundles/FieldEditor.js
+++ b/client/src/bundles/FieldEditor.js
@@ -2,107 +2,106 @@
  * form builder behaviour.
  */
 
- (function($) {
-	$.entwine('ss', function($) {
-		var stickyHeaderInterval;
+import $ from 'jquery';
 
-		$(".uf-field-editor tbody").entwine({
-			onmatch: function() {
-				var i,
-					thisLevel,
-					depth = 0,
-					$buttonrow = $('.uf-field-editor .ss-gridfield-buttonrow').addClass('stickyButtons'),
-					navHeight = $('.cms-content-header.north').height() + parseInt($('.stickyButtons').css('padding-top'), 10),
-					fieldEditor = $('.uf-field-editor'),
-					self = this;
+$.entwine('ss', () => {
+  let stickyHeaderInterval = null;
 
-				this._super();
+  $('.uf-field-editor tbody').entwine({
+    onmatch: () => {
+      let i = 0;
+      let thisLevel = 0;
+      let depth = 0;
+      const $buttonrow = $('.uf-field-editor .ss-gridfield-buttonrow').addClass('sticky-buttons');
+      const navHeight = $('.cms-content-header.north').height()
+        + parseInt($('.sticky-buttons').css('padding-top'), 10);
+      const fieldEditor = $('.uf-field-editor');
 
-				// Loop through all rows and set necessary styles
-				this.find('.ss-gridfield-item').each(function() {
-					switch($(this).data('class')) {
-						case 'EditableFormStep': {
-							depth = 0;
-							return;
-						}
-						case 'EditableFieldGroup': {
-							thisLevel = ++depth;
-							break;
-						}
-						case 'EditableFieldGroupEnd': {
-							thisLevel = depth--;
-							break;
-						}
-						default: {
-							thisLevel = depth;
-						}
-					}
+      this._super();
 
-					$(this).toggleClass('inFieldGroup', thisLevel > 0);
-					for(i = 1; i <= 5; i++) {
-						$(this).toggleClass('inFieldGroup-level-'+i, thisLevel >= i);
-					}
-				});
+      // Loop through all rows and set necessary styles
+      this.find('.ss-gridfield-item').each(() => {
+        switch ($(this).data('class')) {
+          case 'EditableFormStep': {
+            depth = 0;
+            return;
+          }
+          case 'EditableFieldGroup': {
+            thisLevel = ++depth;
+            break;
+          }
+          case 'EditableFieldGroupEnd': {
+            thisLevel = depth--;
+            break;
+          }
+          default: {
+            thisLevel = depth;
+          }
+        }
 
-				// Make sure gridfield buttons stick to top of page when user scrolls down
-				stickyHeaderInterval = setInterval(function () {
-					var offsetTop = fieldEditor.offset().top;
-					$buttonrow.width('100%');
-					if (offsetTop > navHeight || offsetTop === 0) {
-						$buttonrow.removeClass('stickyButtons');
-					} else {
-						$buttonrow.addClass('stickyButtons');
-					};
-				}, 300);
-			},
-			onunmatch: function () {
-				this._super();
+        $(this).toggleClass('infieldgroup', thisLevel > 0);
+        for (i = 1; i <= 5; i++) {
+          $(this).toggleClass(`infieldgroup-level-${i}`, thisLevel >= i);
+        }
+      });
 
-				clearInterval(stickyHeaderInterval);
-			}
-		});
+      // Make sure gridfield buttons stick to top of page when user scrolls down
+      stickyHeaderInterval = setInterval(() => {
+        const offsetTop = fieldEditor.offset().top;
+        $buttonrow.width('100%');
+        if (offsetTop > navHeight || offsetTop === 0) {
+          $buttonrow.removeClass('sticky-buttons');
+        } else {
+          $buttonrow.addClass('sticky-buttons');
+        }
+      }, 300);
+    },
+    onunmatch: () => {
+      this._super();
 
-		// When new fields are added..
-		$('.uf-field-editor .ss-gridfield-buttonrow .action').entwine({
-			onclick: function (e) {
-				this._super(e);
+      clearInterval(stickyHeaderInterval);
+    },
+  });
 
-				this.trigger('addnewinline');
-			}
-		});
+  // When new fields are added.
+  $('.uf-field-editor .ss-gridfield-buttonrow .action').entwine({
+    onclick: (e) => {
+      this._super(e);
 
-		$('.uf-field-editor').entwine({
-			onmatch: function () {
-				var self = this;
+      this.trigger('addnewinline');
+    },
+  });
 
-				this._super();
+  $('.uf-field-editor').entwine({
+    onmatch: () => {
+      this._super();
 
-				// When the 'Add field' button is clicked set a one time listener.
-				// When the GridField is reloaded focus on the newly added field.
-				this.on('addnewinline', function () {
-					self.one('reload', function () {
-						//If fieldgroup, focus on the start marker
-						var $newField = self.find('.ss-gridfield-item').last(), $groupEnd;
-						if ($newField.attr('data-class') === 'EditableFieldGroupEnd') {
-							$groupEnd = $newField;
-							$groupEnd.prev().find('.col-Title input').focus();
-							$newField = $groupEnd.add($groupEnd.prev());
-							$groupEnd.css('visibility', 'hidden');
-						} else {
-							$newField.find('.col-Title input').focus();
-						}
+      // When the 'Add field' button is clicked set a one time listener.
+      // When the GridField is reloaded focus on the newly added field.
+      this.on('addnewinline', () => {
+        this.one('reload', () => {
+          // If fieldgroup, focus on the start marker
+          let $newField = this.find('.ss-gridfield-item').last();
+          let $groupEnd = null;
+          if ($newField.attr('data-class') === 'EditableFieldGroupEnd') {
+            $groupEnd = $newField;
+            $groupEnd.prev().find('.col-Title input').focus();
+            $newField = $groupEnd.add($groupEnd.prev());
+            $groupEnd.css('visibility', 'hidden');
+          } else {
+            $newField.find('.col-Title input').focus();
+          }
 
-						$newField.addClass('flashBackground');
-						$(".cms-content-fields").scrollTop($(".cms-content-fields")[0].scrollHeight);
-						if($groupEnd) {
-							$groupEnd.css('visibility', 'visible');
-						}
-					});
-				});
-			},
-			onummatch: function () {
-				this._super();
-			}
-		});
-	});
-}(jQuery));
+          $newField.addClass('flashBackground');
+          $('.cms-content-fields').scrollTop($('.cms-content-fields')[0].scrollHeight);
+          if ($groupEnd) {
+            $groupEnd.css('visibility', 'visible');
+          }
+        });
+      });
+    },
+    onummatch: () => {
+      this._super();
+    },
+  });
+});
diff --git a/client/src/bundles/Recipient.js b/client/src/bundles/Recipient.js
index 02eb8f4..ceed1cd 100644
--- a/client/src/bundles/Recipient.js
+++ b/client/src/bundles/Recipient.js
@@ -2,32 +2,32 @@
  * Email recipient behaviour.
  */
 
-(function($) {
-    $.entwine('ss', function($) {
-        var recipient = {
-            // Some fields are only visible when HTML email are being sent.
-            updateFormatSpecificFields: function () {
-                var sendPlainChecked = $('input[name="SendPlain"]').is(':checked');
+import $ from 'jquery';
 
-                $('.field.toggle-html-only')[sendPlainChecked ? 'hide' : 'show']();
-                $('.field.toggle-plain-only')[sendPlainChecked ? 'show' : 'hide']();
-            }
-        };
+$.entwine('ss', () => {
+  const recipient = {
+    // Some fields are only visible when HTML email are being sent.
+    updateFormatSpecificFields: () => {
+      const sendPlainChecked = $('input[name="SendPlain"]').is(':checked');
 
-        $('#Form_ItemEditForm .EmailRecipientForm').entwine({
-            onmatch: function () {
-                recipient.updateFormatSpecificFields();
-            },
+      $('.field.toggle-html-only')[sendPlainChecked ? 'hide' : 'show']();
+      $('.field.toggle-plain-only')[sendPlainChecked ? 'show' : 'hide']();
+    },
+  };
 
-            onunmatch: function () {
-                this._super();
-            }
-        });
+  $('#Form_ItemEditForm .EmailRecipientForm').entwine({
+    onmatch: () => {
+      recipient.updateFormatSpecificFields();
+    },
 
-        $('#Form_ItemEditForm .EmailRecipientForm input[name="SendPlain"]').entwine({
-            onchange: function () {
-                recipient.updateFormatSpecificFields();
-            }
-        });
-    });
-}(jQuery));
+    onunmatch: () => {
+      this._super();
+    },
+  });
+
+  $('#Form_ItemEditForm .EmailRecipientForm input[name="SendPlain"]').entwine({
+    onchange: () => {
+      recipient.updateFormatSpecificFields();
+    },
+  });
+});
diff --git a/client/src/bundles/UserForms.js b/client/src/bundles/UserForms.js
index 4bff683..f26fe29 100644
--- a/client/src/bundles/UserForms.js
+++ b/client/src/bundles/UserForms.js
@@ -1,738 +1,740 @@
 /**
  * @file Manages the multi-step navigation.
  */
-jQuery(function ($) {
-
-	// A reference to the UserForm instance.
-	var userform = null;
-
-	// Settings that come from the CMS.
-	var CONSTANTS = {};
-
-	// Common functions that extend multiple classes.
-	var commonMixin = {
-		/**
-		 * @func show
-		 * @desc Show the form step. Looks after aria attributes too.
-		 */
-		show: function () {
-			this.$el.attr('aria-hidden', false).show();
-		},
-		/**
-		 * @func hide
-		 * @desc Hide the form step. Looks after aria attributes too.
-		 */
-		hide: function () {
-			this.$el.attr('aria-hidden', true).hide();
-		}
-	};
-
-	/**
-	 * @func UserForm
-	 * @constructor
-	 * @param {object} element
-	 * @return {object} - The UserForm instance.
-	 * @desc The form
-	 */
-	function UserForm(element) {
-		var self = this;
-
-		this.$el = element instanceof jQuery ? element : $(element);
-		this.steps = [];
-
-		// Add an error container which displays a list of invalid steps on form submission.
-		this.errorContainer = new ErrorContainer(this.$el.children('.error-container'));
-
-		// Listen for events triggered by form steps.
-		this.$el.on('userform.action.prev', function (e) {
-			self.prevStep();
-		});
-		this.$el.on('userform.action.next', function (e) {
-			self.nextStep();
-		});
-
-		// Listen for events triggered by the progress bar.
-		$('#userform-progress').on('userform.progress.changestep', function (e, stepNumber) {
-			self.jumpToStep(stepNumber - 1);
-		});
-
-		// When a field becomes valid, remove errors from the error container.
-		this.$el.on('userform.form.valid', function (e, fieldId) {
-			self.errorContainer.removeStepLink(fieldId);
-		});
-
-		this.$el.validate(this.validationOptions);
-
-		// Ensure checkbox groups are validated correctly
-		$('.optionset.requiredField input').each(function() {
-		    $(this).rules('add', {
-		        required: true
-		    });
-		});
-
-		return this;
-	}
-
-	/*
-	 * Default options for step validation. These get extended in main().
-	 */
-	UserForm.prototype.validationOptions = {
-		ignore: ':hidden,ul',
-		errorClass: 'error',
-		errorElement: 'span',
-		errorPlacement: function (error, element) {
-			error.addClass('message');
-
-			if (element.is(':radio') || element.parents('.checkboxset').length > 0) {
-				error.insertAfter(element.closest('ul'));
-			} else if (element.parents('.checkbox').length > 0) {
-				error.insertAfter(element.next('label'));
-			} else {
-				error.insertAfter(element);
-			}
-		},
-		invalidHandler: function (event, validator) {
-			//setTimeout 0 so it runs after errorPlacement
-			setTimeout(function () {
-				validator.currentElements.filter('.error').first().focus();
-			}, 0);
-		},
-		// Callback for handling the actual submit when the form is valid.
-		// Submission in the jQuery.validate sence is handled at step level.
-		// So when the final step is submitted we have to also check all previous steps are valid.
-		submitHandler: function (form, e) {
-			var isValid = true;
-
-			// validate the current step
-			if(userform.currentStep) {
-				userform.currentStep.valid = $(form).valid();
-			}
-
-			// Check for invalid previous steps.
-			$.each(userform.steps, function (i, step) {
-				if (!step.valid && !step.conditionallyHidden()) {
-					isValid = false;
-					userform.errorContainer.addStepLink(step);
-				}
-			});
-
-			if (isValid) {
-
-				// When using the "are you sure?" plugin, ensure the form immediately submits.
-				$(form).removeClass('dirty');
-
-				form.submit();
-			} else {
-				userform.errorContainer.show();
-			}
-		},
-		// When a field becomes valid.
-		success: function (error) {
-			var errorId = $(error).attr('id'),
-				fieldId = errorId.substr(0, errorId.indexOf('-error')).replace(/[\\[\\]]/, '');
-
-			// Remove square brackets since jQuery.validate.js uses idOrName,
-			// which breaks further on when using a selector that end with
-			// square brackets.
-
-			error.remove();
-
-			// Pass the field's ID with the event.
-			userform.$el.trigger('userform.form.valid', [fieldId]);
-		}
-	};
-
-	/**
-	 * @func UserForm.addStep
-	 * @param {object} step - An instance of FormStep.
-	 * @desc Adds a step to the UserForm.
-	 */
-	UserForm.prototype.addStep = function (step) {
-		// Make sure we're dealing with a form step.
-		if (!step instanceof FormStep) {
-			return;
-		}
-
-		step.id = this.steps.length;
-
-		this.steps.push(step);
-	};
-
-	/**
-	 * @func UserForm.setCurrentStep
-	 * @param {object} step - An instance of FormStep.
-	 * @desc Sets the step the user is currently on.
-	 */
-	UserForm.prototype.setCurrentStep = function (step) {
-		// Make sure we're dealing with a form step.
-		if (!(step instanceof FormStep)) {
-			return;
-		}
-
-		this.currentStep = step;
-		this.currentStep.show();
-
-		// Record the user has viewed the step.
-		step.viewed = true;
-		step.$el.addClass('viewed');
-	};
-
-	/**
-	 * @func UserForm.jumpToStep
-	 * @param {number} stepNumber
-	 * @param {boolean} [direction] - Defaults to forward (true).
-	 * @desc Jumps to a specific form step.
-	 */
-	UserForm.prototype.jumpToStep = function (stepNumber, direction) {
-		var targetStep = this.steps[stepNumber],
-			isValid = false,
-			forward = direction === void 0 ? true : direction;
-
-		// Make sure the target step exists.
-		if (targetStep === void 0) {
-			return;
-		}
-
-		// Make sure the step we're trying to set as current is not
-		// hidden by custom display rules. If it is then jump to the next step.
-		if (targetStep.conditionallyHidden()) {
-			if (forward) {
-				this.jumpToStep(stepNumber + 1);
-			} else {
-				this.jumpToStep(stepNumber - 1);
-			}
-
-			return;
-		}
-
-		// Validate the form.
-		// This well effectivly validate the current step and not the entire form.
-		// This is because hidden fields are excluded from validation, and all fields
-		// on all other steps, are currently hidden.
-		isValid = this.$el.valid();
-
-		// Set the 'valid' property on the current step.
-		this.currentStep.valid = isValid;
-
-		// Users can navigate to step's they've already viewed even if the current step is invalid.
-		if (isValid === false && targetStep.viewed === false) {
-			return;
-		}
-
-		this.currentStep.hide();
-		this.setCurrentStep(targetStep);
-
-		this.$el.trigger('userform.form.changestep', [targetStep.id]);
-	};
-
-	/**
-	 * @func UserForm.nextStep
-	 * @desc Advances the form to the next step.
-	 */
-	UserForm.prototype.nextStep = function () {
-		this.jumpToStep(this.steps.indexOf(this.currentStep) + 1, true);
-	};
-
-	/**
-	 * @func UserForm.prevStep
-	 * @desc Goes back one step (not bound to browser history).
-	 */
-	UserForm.prototype.prevStep = function () {
-		this.jumpToStep(this.steps.indexOf(this.currentStep) - 1, false);
-	};
-
-	/**
-	 * @func ErrorContainer
-	 * @constructor
-	 * @param {object} element - The error container element.
-	 * @return {object} - The ErrorContainer instance.
-	 * @desc Creates an error container. Used to display step error messages at the top.
-	 */
-	function ErrorContainer(element) {
-		this.$el = element instanceof jQuery ? element : $(element);
-
-		// Set the error container's heading.
-		this.$el.find('h4').text(ss.i18n._t('UserForms.ERROR_CONTAINER_HEADER', 'Please correct the following errors and try again:'));
-
-		return this;
-	}
-
-	/**
-	 * @func hasErrors
-	 * @return boolean
-	 * @desc Checks if the error container has any error messages.
-	 */
-	ErrorContainer.prototype.hasErrors = function () {
-		return this.$el.find('.error-list').children().length > 0;
-	};
-
-	/**
-	 * @func removeErrorMessage
-	 * @desc Removes an error message from the error container.
-	 */
-	ErrorContainer.prototype.removeErrorMessage = function (fieldId) {
-		this.$el.find('#' + fieldId + '-top-error').remove();
-
-		// If there are no more error then hide the container.
-		if (!this.hasErrors()) {
-			this.hide();
-		}
-	};
-
-	/**
-	 * @func addStepLink
-	 * @param {object} step - FormStep instance.
-	 * @desc Adds a link to a form step as an error message.
-	 */
-	ErrorContainer.prototype.addStepLink = function (step) {
-		var self = this,
-			itemID = step.$el.attr('id') + '-error-link',
-			$itemElement = this.$el.find('#' + itemID),
-			stepID = step.$el.attr('id'),
-			stepTitle = step.$el.data('title');
-
-		// If the item already exists we don't need to do anything.
-		if ($itemElement.length) {
-			return;
-		}
-
-		$itemElement = $('<li id="' + itemID + '"><a href="#' + stepID + '">' + stepTitle + '</a></li>');
-
-		$itemElement.on('click', function (e) {
-			e.preventDefault();
-			userform.jumpToStep(step.id);
-		});
-
-		this.$el.find('.error-list').append($itemElement);
-	};
-
-	/**
-	 * @func removeStepLink
-	 * @param {object} step - FormStep instance.
-	 * @desc Removes a step link from the error container.
-	 */
-	ErrorContainer.prototype.removeStepLink = function (fieldId) {
-		var stepID = $('#' + fieldId).closest('.form-step').attr('id');
-
-		this.$el.find('#' + stepID + '-error-link').remove();
-
-		// Hide the error container if we've just removed the last error.
-		if (this.$el.find('.error-list').is(':empty')) {
-			this.hide();
-		}
-	};
-
-	/**
-	 * @func ErrorContainer.updateErrorMessage
-	 * @param {object} $input - The jQuery input object which contains the field to validate.
-	 * @param {object} message - The error message to display (html escaped).
-	 * @desc Update an error message (displayed at the top of the form).
-	 */
-	ErrorContainer.prototype.updateErrorMessage = function ($input, message) {
-		var inputID = $input.attr('id'),
-			anchor = '#' + inputID,
-			elementID = inputID + '-top-error',
-			messageElement = $('#' + elementID),
-			describedBy = $input.attr('aria-describedby');
-
-		// The 'message' param will be an empty string if the field is valid.
-		if (!message) {
-			// Style issues as fixed if they already exist
-			messageElement.addClass('fixed');
-			return;
-		}
-
-		messageElement.removeClass('fixed');
-
-		this.show();
-
-		if (messageElement.length === 1) {
-			// Update the existing error message.
-			messageElement.show().find('a').html(message);
-		} else {
-			// Generate better link to field
-			$input.closest('.field[id]').each(function(){
-				anchor = '#' + $(this).attr('id');
-			});
-
-			// Add a new error message
-			messageElement = $('<li><a></a></li>');
-			messageElement
-				.attr('id', elementID)
-				.find('a')
-					.attr('href', location.pathname + location.search + anchor)
-					.html(message);
-
-			this.$el.find('ul').append(messageElement);
-
-			// link back to original input via aria
-			// Respect existing non-error aria-describedby
-			if (!describedBy) {
-				describedBy = elementID;
-			} else if (!describedBy.match(new RegExp('\\b' + elementID + '\\b'))) {
-				// Add to end of list if not already present
-				describedBy += " " + elementID;
-			}
-
-			$input.attr('aria-describedby', describedBy);
-		}
-	};
-
-	/**
-	 * @func FormStep
-	 * @constructor
-	 * @param {object} element
-	 * @return {object} - The FormStep instance.
-	 * @desc Creates a form step.
-	 */
-	function FormStep(element) {
-		var self = this;
-
-		this.$el = element instanceof jQuery ? element : $(element);
-
-		// Find button for this step
-		this.$elButton = $(".step-button-wrapper[data-for='" + this.$el.prop('id') + "']");
-
-		// Has the step been viewed by the user?
-		this.viewed = false;
-
-		// Is the form step valid?
-		// This value is used on form submission, which fails, if any of the steps are invalid.
-		this.valid = false;
-
-		// The internal id of the step. Used for getting the step from the UserForm.steps array.
-		this.id = null;
-
-		this.hide();
-
-		if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {
-			this.errorContainer = new ErrorContainer(this.$el.find('.error-container'));
-
-			// Listen for errors on the UserForm.
-			userform.$el.on('userform.form.error', function (e, validator) {
-				// The step only cares about errors if it's currently visible.
-				if (!self.$el.is(':visible')) {
-					return;
-				}
-
-				// Add or update each error in the list.
-				$.each(validator.errorList, function (i, error) {
-					self.errorContainer.updateErrorMessage($(error.element), error.message);
-				});
-			});
-
-			// Listen for fields becoming valid
-			userform.$el.on('userform.form.valid', function (e, fieldId) {
-				self.errorContainer.removeErrorMessage(fieldId);
-			});
-		}
-
-		// Ensure that page visibilty updates the step navigation
-		this
-			.$elButton
-			.on('userform.field.hide userform.field.show', function(){
-				userform.$el.trigger('userform.form.conditionalstep');
-			});
-
-		return this;
-	}
-
-	/**
-	 * Determine if this step is conditionally disabled
-	 *
-	 * @returns {Boolean}
-	 */
-	FormStep.prototype.conditionallyHidden = function(){
-		// Because the element itself could be visible but 0 height, so check visibility of button
-		return ! this
-			.$elButton
-			.find('button')
-			.is(':visible');
-	};
-
-	/**
-	 * @func ProgressBar
-	 * @constructor
-	 * @param {object} element
-	 * @return {object} - The Progress bar instance.
-	 * @desc Creates a progress bar.
-	 */
-	function ProgressBar(element) {
-		var self = this;
-
-		this.$el = element instanceof jQuery ? element : $(element);
-		this.$buttons = this.$el.find('.step-button-jump');
-		this.$jsAlign = this.$el.find('.js-align');
-
-		// Update the progress bar when 'step' buttons are clicked.
-		this.$buttons.each(function (i, stepButton) {
-			$(stepButton).on('click', function (e) {
-				e.preventDefault();
-				self.$el.trigger('userform.progress.changestep', [parseInt($(this).data('step'), 10)]);
-			});
-		});
-
-		// Update the progress bar when 'prev' and 'next' buttons are clicked.
-		userform.$el.on('userform.form.changestep', function (e, stepID) {
-			self.update(stepID);
-		});
-
-		// Listen for steps being conditionally shown / hidden by display rules.
-		// We need to update step related UI like the number of step buttons
-		// and any text that shows the total number of steps.
-		userform.$el.on('userform.form.conditionalstep', function () {
-			// Update the step numbers on the buttons.
-			var $visibleButtons = self.$buttons.filter(':visible');
-
-			$visibleButtons.each(function (i, button) {
-				$(button).text(i + 1);
-			});
-
-			// Update the actual progress bar.
-			self.$el.find('.progress-bar').attr('aria-valuemax', $visibleButtons.length);
-
-			// Update any text that uses the total number of steps.
-			self.$el.find('.total-step-number').text($visibleButtons.length);
-		});
-
-		// Spaces out the steps below progress bar evenly
-		this.$jsAlign.each(function (index, button) {
-			var $button = $(button),
-				leftPercent = (100 / (self.$jsAlign.length - 1) * index + '%'),
-				buttonOffset = -1 * ($button.innerWidth() / 2);
-
-			$button.css({left: leftPercent, marginLeft: buttonOffset});
-
-			// First and last buttons are kept within userform-progress container
-			if (index === self.$jsAlign.length - 1) {
-				$button.css({marginLeft: buttonOffset * 2});
-			} else if (index === 0) {
-				$button.css({marginLeft: 0});
-			}
-		});
-
-		this.update(0);
-
-		return this;
-	}
-
-	/**
-	 * @func ProgressBar.update
-	 * @param {number} stepID - Zero based index of the new step.
-	 * @desc Update the progress element to show a new step.
-	 */
-	ProgressBar.prototype.update = function (stepID) {
-		var $newStepElement = $($('.form-step')[stepID]),
-			stepNumber = 0,
-			barWidth = stepID / (this.$buttons.length - 1) * 100;
-
-		// Set the current step number.
-		this.$buttons.each(function (i, button) {
-			if (i > stepID) {
-				return false; // break the loop
-			}
-
-			if ($(button).is(':visible')) {
-				stepNumber += 1;
-			}
-		});
-
-		// Update elements that contain the current step number.
-		this.$el.find('.current-step-number').each(function (i, element) {
-			$(element).text(stepNumber);
-		});
-
-		// Update aria attributes.
-		this.$el.find('[aria-valuenow]').each(function (i, element) {
-			$(element).attr('aria-valuenow', stepNumber);
-		});
-
-		// Update the CSS classes on step buttons.
-		this.$buttons.each(function (i, element) {
-			var $element = $(element),
-				$item = $element.parent();
-
-			if (parseInt($element.data('step'), 10) === stepNumber && $element.is(':visible')) {
-				$item.addClass('current viewed');
-				$element.removeAttr('disabled');
-
-				return;
-			}
-
-			$item.removeClass('current');
-		});
-
-		// Update the progress bar's title with the new step's title.
-		this.$el.siblings('.progress-title').text($newStepElement.data('title'));
-
-		// Update the width of the progress bar.
-		barWidth = barWidth ? barWidth + '%' : '';
-		this.$el.find('.progress-bar').width(barWidth);
-	};
-
-	/**
-	 * @func FormActions
-	 * @constructor
-	 * @param {object} element
-	 * @desc Creates the navigation and actions (Prev, Next, Submit buttons).
-	 */
-	function FormActions (element) {
-		var self = this;
-
-		this.$el = element instanceof jQuery ? element : $(element);
-
-		this.$prevButton = this.$el.find('.step-button-prev');
-		this.$nextButton = this.$el.find('.step-button-next');
-
-		// Show the buttons.
-		this.$prevButton.parent().attr('aria-hidden', false).show();
-		this.$nextButton.parent().attr('aria-hidden', false).show();
-
-		// Bind the step navigation event listeners.
-		this.$prevButton.on('click', function (e) {
-			e.preventDefault();
-			self.$el.trigger('userform.action.prev');
-		});
-		this.$nextButton.on('click', function (e) {
-			e.preventDefault();
-			self.$el.trigger('userform.action.next');
-		});
-
-		// Listen for changes to the current form step, or conditional pages,
-		// so we can show hide buttons appropriatly.
-		userform.$el.on('userform.form.changestep userform.form.conditionalstep', function () {
-			self.update();
-		});
-
-		this.update();
-
-		return this;
-	}
-
-	/**
-	 * @func FormAcrions.update
-	 * @param {number} stepID - Zero based ID of the current step.
-	 * @desc Updates the form actions element to reflect the current state of the page.
-	 */
-	FormActions.prototype.update = function () {
-		var numberOfSteps = userform.steps.length,
-			stepID = userform.currentStep ? userform.currentStep.id : 0,
-			i, lastStep;
-
-		// Update the "Prev" button.
-		this.$el.find('.step-button-prev')[stepID === 0 ? 'hide' : 'show']();
-
-		// Find last step, skipping hidden ones
-		for(i = numberOfSteps - 1; i >= 0; i--) {
-			lastStep = userform.steps[i];
-
-			// Skip if step is hidden
-			if(lastStep.conditionallyHidden()) {
-				continue;
-			}
-
-			// Update the "Next" button.
-			this.$el.find('.step-button-next')[stepID >= i ? 'hide' : 'show']();
-
-			// Update the "Actions".
-			this.$el.find('.Actions')[stepID >= i ? 'show' : 'hide']();
-
-			// Stop processing last step
-			break;
-		}
-	};
-
-	/**
-	 * @func main
-	 * @desc Bootstraps the front-end.
-	 */
-	function main() {
-		var progressBar = null,
-			formActions = null,
-			$userform = $('.userform');
-
-		// If there's no userform, do nothing.
-		if ($userform.length === 0) {
-			return;
-		}
-
-		CONSTANTS.ENABLE_LIVE_VALIDATION = $userform.data('livevalidation') !== void 0;
-		CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP = $userform.data('toperrors') !== void 0;
-
-		// Extend the default validation options with conditional options
-		// that are set by the user in the CMS.
-		if (CONSTANTS.ENABLE_LIVE_VALIDATION === false) {
-			$.extend(UserForm.prototype.validationOptions, {
-				onfocusout: false
-			});
-		}
-
-		if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {
-			$.extend(UserForm.prototype.validationOptions, {
-				// Callback for custom code when an invalid form / step is submitted.
-				invalidHandler: function (event, validator) {
-					$userform.trigger('userform.form.error', [validator]);
-				},
-				onfocusout: false
-			});
-		}
-
-		// Display all the things that are hidden when JavaScript is disabled.
-		$('.userform-progress, .step-navigation').attr('aria-hidden', false).show();
-
-		// Extend classes with common functionality.
-		$.extend(FormStep.prototype, commonMixin);
-		$.extend(ErrorContainer.prototype, commonMixin);
-
-		userform = new UserForm($userform);
-
-		// Conditionally hide field labels and use HTML5 placeholder instead.
-		if (CONSTANTS.HIDE_FIELD_LABELS) {
-			$userform.find('label.left').each(function () {
-				var $label = $(this);
-
-				$('[name="' + $label.attr('for') + '"]').attr('placeholder', $label.text());
-				$label.remove();
-			});
-		}
-
-		// Initialise the form steps.
-		userform.$el.find('.form-step').each(function (i, element) {
-			var step = new FormStep(element);
-
-			userform.addStep(step);
-		});
-
-		userform.setCurrentStep(userform.steps[0]);
-
-		// Initialise actions and progressbar
-		progressBar = new ProgressBar($('#userform-progress'));
-		formActions = new FormActions($('#step-navigation'));
-
-		// Enable jQuery UI datepickers
-		$(document).on('click', 'input.text[data-showcalendar]', function() {
-			var $element = $(this);
-
-			$element.ssDatepicker();
-
-			if($element.data('datepicker')) {
-				$element.datepicker('show');
-			}
-		});
-
-		// Make sure the form doesn't expire on the user. Pings every 3 mins.
-		setInterval(function () {
-			$.ajax({ url: 'UserDefinedForm_Controller/ping' });
-		}, 180 * 1000);
-
-		// Bind a confirmation message when navigating away from a partially completed form.
-		var form = $('form.userform');
-		if(typeof form.areYouSure != 'undefined') {
-			form.areYouSure({
-				message: ss.i18n._t('UserForms.LEAVE_CONFIRMATION', 'You have unsaved changes!')
-			});
-		}
-	}
-
-	main();
+
+import $ from 'jquery';
+
+$(document).ready(() => {
+  // A reference to the UserForm instance.
+  let userform = null;
+
+  // Settings that come from the CMS.
+  const CONSTANTS = {};
+
+  // Common functions that extend multiple classes.
+  const commonMixin = {
+    /**
+     * @func show
+     * @desc Show the form step. Looks after aria attributes too.
+     */
+    show: () => {
+      this.$el.attr('aria-hidden', false).show();
+    },
+    /**
+     * @func hide
+     * @desc Hide the form step. Looks after aria attributes too.
+     */
+    hide: () => {
+      this.$el.attr('aria-hidden', true).hide();
+    },
+  };
+
+  /**
+   * @func ErrorContainer
+   * @constructor
+   * @param {object} element - The error container element.
+   * @return {object} - The ErrorContainer instance.
+   * @desc Creates an error container. Used to display step error messages at the top.
+   */
+  function ErrorContainer(element) {
+    this.$el = element instanceof $ ? element : $(element);
+
+    // Set the error container's heading.
+    this.$el.find('h4').text(window.ss.i18n._t('UserForms.ERROR_CONTAINER_HEADER',
+      'Please correct the following errors and try again:'));
+
+    return this;
+  }
+
+  /**
+   * @func hasErrors
+   * @return boolean
+   * @desc Checks if the error container has any error messages.
+   */
+  ErrorContainer.prototype.hasErrors = () => (
+    this.$el.find('.error-list').children().length > 0
+  );
+
+  /**
+   * @func removeErrorMessage
+   * @desc Removes an error message from the error container.
+   */
+  ErrorContainer.prototype.removeErrorMessage = (fieldId) => {
+    this.$el.find(`#${fieldId}-top-error`).remove();
+
+    // If there are no more error then hide the container.
+    if (!this.hasErrors()) {
+      this.hide();
+    }
+  };
+
+  /**
+   * @func addStepLink
+   * @param {object} step - FormStep instance.
+   * @desc Adds a link to a form step as an error message.
+   */
+  ErrorContainer.prototype.addStepLink = (step) => {
+    const itemID = `${step.$el.attr('id')}-error-link`;
+    let $itemElement = this.$el.find(`#${itemID}`);
+    const stepID = step.$el.attr('id');
+    const stepTitle = step.$el.data('title');
+
+    // If the item already exists we don't need to do anything.
+    if ($itemElement.length) {
+      return;
+    }
+
+    $itemElement = $(`<li id="${itemID}"><a href="#${stepID}">${stepTitle}</a></li>`);
+
+    $itemElement.on('click', (e) => {
+      e.preventDefault();
+      userform.jumpToStep(step.id);
+    });
+
+    this.$el.find('.error-list').append($itemElement);
+  };
+
+  /**
+   * @func removeStepLink
+   * @param {object} step - FormStep instance.
+   * @desc Removes a step link from the error container.
+   */
+  ErrorContainer.prototype.removeStepLink = (fieldId) => {
+    const stepID = $(`#${fieldId}`).closest('.form-step').attr('id');
+
+    this.$el.find(`#${stepID}-error-link`).remove();
+
+    // Hide the error container if we've just removed the last error.
+    if (this.$el.find('.error-list').is(':empty')) {
+      this.hide();
+    }
+  };
+
+  /**
+   * @func ErrorContainer.updateErrorMessage
+   * @param {object} $input - The jQuery input object which contains the field to validate.
+   * @param {object} message - The error message to display (html escaped).
+   * @desc Update an error message (displayed at the top of the form).
+   */
+  ErrorContainer.prototype.updateErrorMessage = ($input, message) => {
+    const inputID = $input.attr('id');
+    let anchor = `#${inputID}`;
+    const elementID = `${inputID}-top-error`;
+    let messageElement = $(`#${elementID}`);
+    let describedBy = $input.attr('aria-describedby');
+
+    // The 'message' param will be an empty string if the field is valid.
+    if (!message) {
+      // Style issues as fixed if they already exist
+      messageElement.addClass('fixed');
+      return;
+    }
+
+    messageElement.removeClass('fixed');
+
+    this.show();
+
+    if (messageElement.length === 1) {
+      // Update the existing error message.
+      messageElement.show().find('a').html(message);
+    } else {
+      // Generate better link to field
+      $input.closest('.field[id]').each(() => {
+        anchor = `#${$(this).attr('id')}`;
+      });
+
+      // Add a new error message
+      messageElement = $('<li><a></a></li>');
+      messageElement
+        .attr('id', elementID)
+        .find('a')
+          .attr('href', location.pathname + location.search + anchor)
+          .html(message);
+
+      this.$el.find('ul').append(messageElement);
+
+      // Link back to original input via aria
+      // Respect existing non-error aria-describedby
+      if (!describedBy) {
+        describedBy = elementID;
+      } else if (!describedBy.match(new RegExp(`\\b${elementID}\\b`))) {
+        // Add to end of list if not already present
+        describedBy += ` ${elementID}`;
+      }
+
+      $input.attr('aria-describedby', describedBy);
+    }
+  };
+
+  /**
+   * @func FormStep
+   * @constructor
+   * @param {object} element
+   * @return {object} - The FormStep instance.
+   * @desc Creates a form step.
+   */
+  function FormStep(element) {
+    const self = this;
+
+    this.$el = element instanceof $ ? element : $(element);
+
+    // Find button for this step
+    this.$elButton = $(`.step-button-wrapper[data-for='${this.$el.prop('id')}]`);
+
+    // Has the step been viewed by the user?
+    this.viewed = false;
+
+    // Is the form step valid?
+    // This value is used on form submission, which fails, if any of the steps are invalid.
+    this.valid = false;
+
+    // The internal id of the step. Used for getting the step from the UserForm.steps array.
+    this.id = null;
+
+    this.hide();
+
+    if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {
+      this.errorContainer = new ErrorContainer(this.$el.find('.error-container'));
+
+      // Listen for errors on the UserForm.
+      userform.$el.on('userform.form.error', (e, validator) => {
+        // The step only cares about errors if it's currently visible.
+        if (!self.$el.is(':visible')) {
+          return;
+        }
+
+        // Add or update each error in the list.
+        $.each(validator.errorList, (i, error) => {
+          self.errorContainer.updateErrorMessage($(error.element), error.message);
+        });
+      });
+
+      // Listen for fields becoming valid
+      userform.$el.on('userform.form.valid', (e, fieldId) => {
+        self.errorContainer.removeErrorMessage(fieldId);
+      });
+    }
+
+    // Ensure that page visibilty updates the step navigation
+    this
+      .$elButton
+      .on('userform.field.hide userform.field.show', () => {
+        userform.$el.trigger('userform.form.conditionalstep');
+      });
+
+    return this;
+  }
+
+  /**
+   * Determine if this step is conditionally disabled
+   *
+   * @returns {Boolean}
+   */
+  // Because the element itself could be visible but 0 height, so check visibility of button
+  FormStep.prototype.conditionallyHidden = () => (
+    !this.$elButton.find('button').is(':visible')
+  );
+
+  /**
+   * @func ProgressBar
+   * @constructor
+   * @param {object} element
+   * @return {object} - The Progress bar instance.
+   * @desc Creates a progress bar.
+   */
+  function ProgressBar(element) {
+    const self = this;
+
+    this.$el = element instanceof $ ? element : $(element);
+    this.$buttons = this.$el.find('.step-button-jump');
+    this.$jsAlign = this.$el.find('.js-align');
+
+    // Update the progress bar when 'step' buttons are clicked.
+    this.$buttons.each((i, stepButton) => {
+      $(stepButton).on('click', (e) => {
+        e.preventDefault();
+        self.$el.trigger('userform.progress.changestep', [parseInt($(this).data('step'), 10)]);
+      });
+    });
+
+    // Update the progress bar when 'prev' and 'next' buttons are clicked.
+    userform.$el.on('userform.form.changestep', (e, stepID) => {
+      self.update(stepID);
+    });
+
+    // Listen for steps being conditionally shown / hidden by display rules.
+    // We need to update step related UI like the number of step buttons
+    // and any text that shows the total number of steps.
+    userform.$el.on('userform.form.conditionalstep', () => {
+      // Update the step numbers on the buttons.
+      const $visibleButtons = self.$buttons.filter(':visible');
+
+      $visibleButtons.each((i, button) => {
+        $(button).text(i + 1);
+      });
+
+      // Update the actual progress bar.
+      self.$el.find('.progress-bar').attr('aria-valuemax', $visibleButtons.length);
+
+      // Update any text that uses the total number of steps.
+      self.$el.find('.total-step-number').text($visibleButtons.length);
+    });
+
+    // Spaces out the steps below progress bar evenly
+    this.$jsAlign.each((index, button) => {
+      const $button = $(button);
+      const leftPercent = (100 / (self.$jsAlign.length - 1) * `${index}%`);
+      const buttonOffset = -1 * ($button.innerWidth() / 2);
+
+      $button.css({ left: leftPercent, marginLeft: buttonOffset });
+
+      // First and last buttons are kept within userform-progress container
+      if (index === self.$jsAlign.length - 1) {
+        $button.css({ marginLeft: buttonOffset * 2 });
+      } else if (index === 0) {
+        $button.css({ marginLeft: 0 });
+      }
+    });
+
+    this.update(0);
+
+    return this;
+  }
+
+  /**
+   * @func ProgressBar.update
+   * @param {number} stepID - Zero based index of the new step.
+   * @desc Update the progress element to show a new step.
+   */
+  ProgressBar.prototype.update = (stepID) => {
+    const $newStepElement = $($('.form-step')[stepID]);
+    let stepNumber = 0;
+    let barWidth = stepID / (this.$buttons.length - 1) * 100;
+
+    // Set the current step number.
+    this.$buttons.each((i, button) => {
+      if (i > stepID) {
+        // Break the loop
+        return false;
+      }
+
+      if ($(button).is(':visible')) {
+        stepNumber += 1;
+      }
+      return true;
+    });
+
+    // Update elements that contain the current step number.
+    this.$el.find('.current-step-number').each((i, element) => {
+      $(element).text(stepNumber);
+    });
+
+    // Update aria attributes.
+    this.$el.find('[aria-valuenow]').each((i, element) => {
+      $(element).attr('aria-valuenow', stepNumber);
+    });
+
+    // Update the CSS classes on step buttons.
+    this.$buttons.each((i, element) => {
+      const $element = $(element);
+      const $item = $element.parent();
+
+      if (parseInt($element.data('step'), 10) === stepNumber && $element.is(':visible')) {
+        $item.addClass('current viewed');
+        $element.removeAttr('disabled');
+
+        return;
+      }
+
+      $item.removeClass('current');
+    });
+
+    // Update the progress bar's title with the new step's title.
+    this.$el.siblings('.progress-title').text($newStepElement.data('title'));
+
+    // Update the width of the progress bar.
+    barWidth = barWidth ? `${barWidth}%` : '';
+    this.$el.find('.progress-bar').width(barWidth);
+  };
+
+  /**
+   * @func FormActions
+   * @constructor
+   * @param {object} element
+   * @desc Creates the navigation and actions (Prev, Next, Submit buttons).
+   */
+  function FormActions(element) {
+    const self = this;
+
+    this.$el = element instanceof $ ? element : $(element);
+
+    this.$prevButton = this.$el.find('.step-button-prev');
+    this.$nextButton = this.$el.find('.step-button-next');
+
+    // Show the buttons.
+    this.$prevButton.parent().attr('aria-hidden', false).show();
+    this.$nextButton.parent().attr('aria-hidden', false).show();
+
+    // Bind the step navigation event listeners.
+    this.$prevButton.on('click', (e) => {
+      e.preventDefault();
+      self.$el.trigger('userform.action.prev');
+    });
+    this.$nextButton.on('click', (e) => {
+      e.preventDefault();
+      self.$el.trigger('userform.action.next');
+    });
+
+    // Listen for changes to the current form step, or conditional pages,
+    // so we can show hide buttons appropriately.
+    userform.$el.on('userform.form.changestep userform.form.conditionalstep', () => {
+      self.update();
+    });
+
+    this.update();
+
+    return this;
+  }
+
+  /**
+   * @func FormActions.update
+   * @param {number} stepID - Zero based ID of the current step.
+   * @desc Updates the form actions element to reflect the current state of the page.
+   */
+  FormActions.prototype.update = () => {
+    const numberOfSteps = userform.steps.length;
+    const stepID = userform.currentStep ? userform.currentStep.id : 0;
+    let i = null;
+    let lastStep = null;
+
+    // Update the "Prev" button.
+    this.$el.find('.step-button-prev')[stepID === 0 ? 'hide' : 'show']();
+
+    // Find last step, skipping hidden ones
+    for (i = numberOfSteps - 1; i >= 0; i--) {
+      lastStep = userform.steps[i];
+
+      // Skip if step is hidden
+      if (lastStep.conditionallyHidden()) {
+        continue;
+      }
+
+      // Update the "Next" button.
+      this.$el.find('.step-button-next')[stepID >= i ? 'hide' : 'show']();
+
+      // Update the "Actions".
+      this.$el.find('.Actions')[stepID >= i ? 'show' : 'hide']();
+
+      // Stop processing last step
+      break;
+    }
+  };
+
+  /**
+   * @func UserForm
+   * @constructor
+   * @param {object} element
+   * @return {object} - The UserForm instance.
+   * @desc The form
+   */
+  function UserForm(element) {
+    const self = this;
+
+    this.$el = element instanceof $ ? element : $(element);
+    this.steps = [];
+
+    // Add an error container which displays a list of invalid steps on form submission.
+    this.errorContainer = new ErrorContainer(this.$el.children('.error-container'));
+
+    // Listen for events triggered by form steps.
+    this.$el.on('userform.action.prev', () => {
+      self.prevStep();
+    });
+    this.$el.on('userform.action.next', () => {
+      self.nextStep();
+    });
+
+    // Listen for events triggered by the progress bar.
+    $('#userform-progress').on('userform.progress.changestep', (e, stepNumber) => {
+      self.jumpToStep(stepNumber - 1);
+    });
+
+    // When a field becomes valid, remove errors from the error container.
+    this.$el.on('userform.form.valid', (e, fieldId) => {
+      self.errorContainer.removeStepLink(fieldId);
+    });
+
+    this.$el.validate(this.validationOptions);
+
+    // Ensure checkbox groups are validated correctly
+    $('.optionset.requiredField input').each(() => {
+      $(this).rules('add', {
+        required: true,
+      });
+    });
+
+    return this;
+  }
+
+  /*
+   * Default options for step validation. These get extended in main().
+   */
+  UserForm.prototype.validationOptions = {
+    ignore: ':hidden,ul',
+    errorClass: 'error',
+    errorElement: 'span',
+    errorPlacement: (error, element) => {
+      error.addClass('message');
+
+      if (element.is(':radio') || element.parents('.checkboxset').length > 0) {
+        error.insertAfter(element.closest('ul'));
+      } else if (element.parents('.checkbox').length > 0) {
+        error.insertAfter(element.next('label'));
+      } else {
+        error.insertAfter(element);
+      }
+    },
+    invalidHandler: (event, validator) => {
+      // setTimeout 0 so it runs after errorPlacement
+      setTimeout(() => {
+        validator.currentElements.filter('.error').first().focus();
+      }, 0);
+    },
+    // Callback for handling the actual submit when the form is valid.
+    // Submission in the jQuery.validate sence is handled at step level.
+    // So when the final step is submitted we have to also check all previous steps are valid.
+    submitHandler: (form) => {
+      let isValid = true;
+
+      // Validate the current step
+      if (userform.currentStep) {
+        userform.currentStep.valid = $(form).valid();
+      }
+
+      // Check for invalid previous steps.
+      $.each(userform.steps, (i, step) => {
+        if (!step.valid && !step.conditionallyHidden()) {
+          isValid = false;
+          userform.errorContainer.addStepLink(step);
+        }
+      });
+
+      if (isValid) {
+        // When using the "are you sure?" plugin, ensure the form immediately submits.
+        $(form).removeClass('dirty');
+
+        form.submit();
+      } else {
+        userform.errorContainer.show();
+      }
+    },
+    // When a field becomes valid.
+    success: (error) => {
+      const errorId = $(error).attr('id');
+      const fieldId = errorId.substr(0, errorId.indexOf('-error')).replace(/[\\[\\]]/, '');
+
+      // Remove square brackets since jQuery.validate.js uses idOrName,
+      // which breaks further on when using a selector that end with
+      // square brackets.
+
+      error.remove();
+
+      // Pass the field's ID with the event.
+      userform.$el.trigger('userform.form.valid', [fieldId]);
+    },
+  };
+
+  /**
+   * @func UserForm.addStep
+   * @param {object} step - An instance of FormStep.
+   * @desc Adds a step to the UserForm.
+   */
+  UserForm.prototype.addStep = (step) => {
+    // Make sure we're dealing with a form step.
+    if (!step instanceof FormStep) {
+      return;
+    }
+
+    // eslint-disable-next-line no-param-reassign
+    step.id = this.steps.length;
+
+    this.steps.push(step);
+  };
+
+  /**
+   * @func UserForm.setCurrentStep
+   * @param {object} step - An instance of FormStep.
+   * @desc Sets the step the user is currently on.
+   */
+  UserForm.prototype.setCurrentStep = (step) => {
+    // Make sure we're dealing with a form step.
+    if (!(step instanceof FormStep)) {
+      return;
+    }
+
+    this.currentStep = step;
+    this.currentStep.show();
+
+    // Record the user has viewed the step.
+    this.currentStep.viewed = true;
+    this.currentStep.$el.addClass('viewed');
+  };
+
+  /**
+   * @func UserForm.jumpToStep
+   * @param {number} stepNumber
+   * @param {boolean} [direction] - Defaults to forward (true).
+   * @desc Jumps to a specific form step.
+   */
+  UserForm.prototype.jumpToStep = (stepNumber, direction) => {
+    const targetStep = this.steps[stepNumber];
+    let isValid = false;
+    const forward = direction === void 0 ? true : direction;
+
+    // Make sure the target step exists.
+    if (targetStep === void 0) {
+      return;
+    }
+
+    // Make sure the step we're trying to set as current is not
+    // hidden by custom display rules. If it is then jump to the next step.
+    if (targetStep.conditionallyHidden()) {
+      if (forward) {
+        this.jumpToStep(stepNumber + 1);
+      } else {
+        this.jumpToStep(stepNumber - 1);
+      }
+
+      return;
+    }
+
+    // Validate the form.
+    // This well effectivly validate the current step and not the entire form.
+    // This is because hidden fields are excluded from validation, and all fields
+    // on all other steps, are currently hidden.
+    isValid = this.$el.valid();
+
+    // Set the 'valid' property on the current step.
+    this.currentStep.valid = isValid;
+
+    // Users can navigate to step's they've already viewed even if the current step is invalid.
+    if (isValid === false && targetStep.viewed === false) {
+      return;
+    }
+
+    this.currentStep.hide();
+    this.setCurrentStep(targetStep);
+
+    this.$el.trigger('userform.form.changestep', [targetStep.id]);
+  };
+
+  /**
+   * @func UserForm.nextStep
+   * @desc Advances the form to the next step.
+   */
+  UserForm.prototype.nextStep = () => {
+    this.jumpToStep(this.steps.indexOf(this.currentStep) + 1, true);
+  };
+
+  /**
+   * @func UserForm.prevStep
+   * @desc Goes back one step (not bound to browser history).
+   */
+  UserForm.prototype.prevStep = () => {
+    this.jumpToStep(this.steps.indexOf(this.currentStep) - 1, false);
+  };
+
+  /**
+   * @func main
+   * @desc Bootstraps the front-end.
+   */
+  function main() {
+    const $userform = $('.userform');
+
+    // If there's no userform, do nothing.
+    if ($userform.length === 0) {
+      return;
+    }
+
+    CONSTANTS.ENABLE_LIVE_VALIDATION = $userform.data('livevalidation') !== void 0;
+    CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP = $userform.data('toperrors') !== void 0;
+
+    // Extend the default validation options with conditional options
+    // that are set by the user in the CMS.
+    if (CONSTANTS.ENABLE_LIVE_VALIDATION === false) {
+      $.extend(UserForm.prototype.validationOptions, {
+        onfocusout: false,
+      });
+    }
+
+    if (CONSTANTS.DISPLAY_ERROR_MESSAGES_AT_TOP) {
+      $.extend(UserForm.prototype.validationOptions, {
+        // Callback for custom code when an invalid form / step is submitted.
+        invalidHandler: (event, validator) => {
+          $userform.trigger('userform.form.error', [validator]);
+        },
+        onfocusout: false,
+      });
+    }
+
+    // Display all the things that are hidden when JavaScript is disabled.
+    $('.userform-progress, .step-navigation').attr('aria-hidden', false).show();
+
+    // Extend classes with common functionality.
+    $.extend(FormStep.prototype, commonMixin);
+    $.extend(ErrorContainer.prototype, commonMixin);
+
+    userform = new UserForm($userform);
+
+    // Conditionally hide field labels and use HTML5 placeholder instead.
+    if (CONSTANTS.HIDE_FIELD_LABELS) {
+      $userform.find('label.left').each(() => {
+        const $label = $(this);
+
+        $(`[name="${$label.attr('for')}"]`).attr('placeholder', $label.text());
+        $label.remove();
+      });
+    }
+
+    // Initialise the form steps.
+    userform.$el.find('.form-step').each((i, element) => {
+      const step = new FormStep(element);
+
+      userform.addStep(step);
+    });
+
+    userform.setCurrentStep(userform.steps[0]);
+
+    // Initialise actions and progressbar
+    // @todo Commented out because they appear unused - are they expected to be exported to the
+    //       global scope? Check this works on the frontend
+    // const progressBar = new ProgressBar($('#userform-progress'));
+    // const formActions = new FormActions($('#step-navigation'));
+
+    // Enable jQuery UI datepickers
+    $(document).on('click', 'input.text[data-showcalendar]', () => {
+      const $element = $(this);
+
+      $element.ssDatepicker();
+
+      if ($element.data('datepicker')) {
+        $element.datepicker('show');
+      }
+    });
+
+    // Make sure the form doesn't expire on the user. Pings every 3 mins.
+    setInterval(() => {
+      $.ajax({ url: 'UserDefinedForm_Controller/ping' });
+    }, 180 * 1000);
+
+    // Bind a confirmation message when navigating away from a partially completed form.
+    const form = $('form.userform');
+    if (typeof form.areYouSure !== 'undefined') {
+      form.areYouSure({
+        message: window.ss.i18n._t('UserForms.LEAVE_CONFIRMATION', 'You have unsaved changes!'),
+      });
+    }
+  }
+
+  main();
 });
diff --git a/client/src/styles/bundle-cms.scss b/client/src/styles/bundle-cms.scss
new file mode 100644
index 0000000..09ba98f
--- /dev/null
+++ b/client/src/styles/bundle-cms.scss
@@ -0,0 +1,3 @@
+// CMS SASS bundle
+@import "variables";
+@import "userforms-cms";
diff --git a/client/src/styles/bundle.scss b/client/src/styles/bundle.scss
new file mode 100644
index 0000000..6f237d2
--- /dev/null
+++ b/client/src/styles/bundle.scss
@@ -0,0 +1,3 @@
+// Frontend SASS bundle
+@import "variables";
+@import "userforms";
diff --git a/client/src/styles/userforms-cms.scss b/client/src/styles/userforms-cms.scss
index a15abbc..66c22ea 100644
--- a/client/src/styles/userforms-cms.scss
+++ b/client/src/styles/userforms-cms.scss
@@ -1,156 +1,151 @@
-/**
- * Animations
- */
+// Animations
 
-@keyframes flashBackground {
-	0% {background-color: white;}
-	10% {background-color: #dcfedd;}
-	70% {background-color: #dcfedd;}
+@keyframes flash-background {
+  0% {background-color: $body-bg;}
+  10% {background-color: $green-bg;}
+  70% {background-color: $green-bg;}
 }
 
-/**
- * Styles for cms
- */
+.uf-field-editor {
+  padding-bottom: 0;
 
-.cms {
-	.uf-field-editor {
-		padding-bottom: 0;
+  // Row styles
+  table.ss-gridfield-table {
+    // Standard rows
+    .ss-gridfield-item {
+      height: $height-base;
 
-		// Row styles
-		table.ss-gridfield-table {
-			// Standard rows
-			.ss-gridfield-item {
-				height: 46px;
+      &,
+      &:hover {
+        background: $body-bg;
+      }
 
-				&, &:hover {
-					background: white;
-				}
+      td {
+        border-right-width: 0;
+        border-top: 1px solid $gray-light;
 
-				td {
-					border-right-width: 0;
-					border-top: 1px solid #EEE;
+        &:last-child {
+          border-right-width: 1px;
+        }
+      }
 
-					&:last-child {
-						border-right-width: 1px;
-					}
-				}
+      .handle {
+        min-height: $height-base;
+      }
 
-				.handle {
-					min-height: 46px;
-				}
+      &.flash-background {
+        animation: flash-background 2s linear;
+      }
 
-				&.flashBackground {
-					animation: flashBackground 2s linear;
-				}
+      &.ui-sortable-placeholder {
+        height: $placeholder-height;
+      }
+    }
 
-				&.ui-sortable-placeholder {
-					height: 50px;
-				}
-			}
+    .ss-gridfield-item.infieldgroup {
+      &,
+      &:hover {
+        background: $blue-light;
+      }
 
-			.ss-gridfield-item.inFieldGroup {
-				&, &:hover {
-					background: #f2f9fd;
-				}
+      td {
+        border-bottom: 0;
+        border-top: 1px solid $gray-light;
+      }
 
-				td {
-					border-bottom: 0;
-					border-top: 1px solid #eee;
-				}
+      .col-reorder,
+      .handle {
+        background: $blue;
+        border-top: 0;
+      }
 
-				.col-reorder, .handle {
-					background: #BEE0F8;
-					border-top: 0;
-				}
+      &.infieldgroup-level-2 {
+        .col-reorder,
+        .handle {
+          background: $blue-dark;
+          border-top: 0;
+        }
+      }
 
-				&.inFieldGroup-level-2 {
-					.col-reorder, .handle {
-						background: #99CEF4;
-						border-top: 0;
-					}
-				}
+      &.infieldgroup-level-3 {
+        .col-reorder,
+        .handle {
+          background: $blue-darker;
+          border-top: 0;
+        }
+      }
+    }
 
-				&.inFieldGroup-level-3 {
-					.col-reorder, .handle {
-						background: #89BEF4;
-						border-top: 0;
-					}
-				}
-			}
+    .ss-gridfield-item[data-class="EditableFormStep"] {
+      &,
+      &:hover {
+        background: $gray-bg;
+      }
 
-			.ss-gridfield-item[data-class='EditableFormStep'] {
-				&, &:hover {
-					background: #dae2e7;
-				}
+      label {
+        font-weight: bold;
+        color: $gray-base;
+        font-size: 1.1em;
+      }
 
-				label {
-					font-weight: bold;
-					color: black;
-					font-size: 1.1em;
-				}
+      td {
+        border-top: 1px solid $gray;
+      }
 
-				td {
-					border-top: 1px solid #a6b6c1;
-				}
+      + .ss-gridfield-item td {
+        border-top: 1px solid $gray-bg;
+      }
 
-				+ .ss-gridfield-item td {
-					border-top: 1px solid #dae2e7;
-				}
+      + .ss-gridfield-item[data-class="EditableFieldGroup"] td {
+        border-top: 1px solid $blue-base;
+      }
+    }
 
-				+ .ss-gridfield-item[data-class='EditableFieldGroup'] td {
-					border-top: 1px solid #a8d7f5;
-				}
-			}
+    .ss-gridfield-item[data-class="EditableFieldGroup"] {
+      td {
+        border-top: 1px solid $blue-base;
+      }
 
-			.ss-gridfield-item[data-class='EditableFieldGroup'] {
-				td {
-					border-top: 1px solid #a8d7f5;
-				}
+      label {
+        font-weight: bold;
+        color: $gray-darker;
+      }
+    }
 
-				label {
-					font-weight: bold;
-					color: #444;
-				}
-			}
+    .ss-gridfield-item[data-class="EditableFieldGroupEnd"] {
+      td {
+        border-bottom: 1px solid $blue-base;
+      }
 
-			.ss-gridfield-item[data-class='EditableFieldGroupEnd'] {
-				td {
-					border-bottom: 1px solid #a8d7f5;
-				}
+      + .ss-gridfield-item[data-class="EditableFieldGroupEnd"] {
+        border-top: 0;
+      }
 
-				+ .ss-gridfield-item[data-class='EditableFieldGroupEnd'] {
-					border-top: 0;
-				}
+      .col-buttons .action {
+        display: none;
+      }
 
-				.col-buttons .action{
-					display: none;
-				}
+      label {
+        color: $gray-dark;
+      }
+    }
+  }
 
-				label {
-					color: #777;
-				}
-			}
-		}
+  .sticky-buttons {
+    position: fixed;
+    top: $height-top;
+    z-index: 2;
+    background: $gray-light;
+    box-shadow: 0 $padding-base $padding-xs -$padding-base-horizontal $gray-light;
+    padding: $padding-base;
+    margin-left: -$padding-base;
 
-		.stickyButtons {
-			position: fixed;
-			top: 40px;
-			z-index: 2;
-			background: #E6EAED;
-			box-shadow: 0 12px 4px -8px #999;
-			padding: 12px;
-			margin-left: -12px;
+    & button.action {
+      margin-bottom: 0;
+    }
 
-			& button.action {
-				margin-bottom: 0;
-			}
-
-			~ .ss-gridfield-table {
-				margin-top: 40px;
-			}
-		}
-	}
+    ~ .ss-gridfield-table {
+      margin-top: $height-top;
+    }
+  }
 }
-
-
-
diff --git a/client/src/styles/userforms.scss b/client/src/styles/userforms.scss
index af53cd2..af10ccc 100644
--- a/client/src/styles/userforms.scss
+++ b/client/src/styles/userforms.scss
@@ -1,87 +1,85 @@
-/**
- * Lightweight base styles for the front-end form.
- */
+// Lightweight base styles for the front-end form.
 
 .userform-progress {
-	.progress {
-		position: relative;
-		height: 1em;
-		background: #eee;
-	}
+  .progress {
+    position: relative;
+    height: 1em;
+    background: $gray-lighter;
+  }
 
-	.progress-bar {
-		position: absolute;
-		height: 1em;
-		background: #666;
-	}
+  .progress-bar {
+    position: absolute;
+    height: 1em;
+    background: $gray-progress-bg;
+  }
 
-	.step-buttons {
-		margin-left: 0;
-		position: relative;
-	}
+  .step-buttons {
+    margin-left: 0;
+    position: relative;
+  }
 
-	.step-button-wrapper {
-		display: inline-block;
-		list-style-type: none;
+  .step-button-wrapper {
+    display: inline-block;
+    list-style-type: none;
 
-		&.viewed .step-button-jump {
-			opacity: 1;
-		}
-	}
+    &.viewed .step-button-jump {
+      opacity: 1;
+    }
+  }
 
-	.step-button-jump {
-		position: absolute;
-		top: 0;
-		opacity: .7;
-	}
+  .step-button-jump {
+    position: absolute;
+    top: 0;
+    opacity: .7;
+  }
 }
 
 .step-navigation {
-	.step-buttons {
-		margin-left: 0;
-	}
+  .step-buttons {
+    margin-left: 0;
+  }
 
-	.step-button-wrapper {
-		display: inline-block;
-		list-style-type: none;
-	}
+  .step-button-wrapper {
+    display: inline-block;
+    list-style-type: none;
+  }
 }
 
 .userform {
-	clear: both;
-	width: 100%;
-	max-width: 100%;
+  clear: both;
+  width: 100%;
+  max-width: 100%;
 
-	.field label.right {
-		color: #555;
-	}
+  .field label.right {
+    color: $gray-dark-label;
+  }
 }
 
 .userformsgroup {
-	border: 1px solid #ccc;
-	border-radius: 4px;
-	padding: 8px;
-	margin-top: 12px;
-	margin-bottom: 12px;
+  border: 1px solid $gray-light-border;
+  border-radius: $padding-xs;
+  padding: $padding-base-horizontal;
+  margin-top: $padding-base;
+  margin-bottom: $padding-base;
 
-	> legend {
-		padding-left: 4px;
-		padding-right: 4px;
-		border: 0;
-		width: auto;
-	}
+  > legend {
+    padding-left: $padding-xs;
+    padding-right: $padding-xs;
+    border: 0;
+    width: auto;
+  }
 }
 
 .right-title {
-	clear: both;
-	display: block;
+  clear: both;
+  display: block;
 }
 
 .checkbox .right-title {
-	display: inline;
+  display: inline;
 }
 
 .userform .left {
-	margin-bottom: 5px;
-	font-weight: bold;
+  margin-bottom: $padding-sm;
+  font-weight: bold;
 }
diff --git a/client/src/styles/variables.scss b/client/src/styles/variables.scss
new file mode 100644
index 0000000..4b6b955
--- /dev/null
+++ b/client/src/styles/variables.scss
@@ -0,0 +1,51 @@
+//
+// Variables
+// --------------------------------------------------
+
+
+//== Colors
+
+$gray-base:              #000;
+$gray-dark:              #777;
+$gray-darker:            #444;
+$gray:                   #a6b6c1;
+$gray-light:             #999;
+$gray-lighter:           #eee;
+
+//== Custom colors
+
+$gray-bg:                #dae2e7;
+$gray-progress-bg:       #666;
+$gray-dark-label:        #555;
+$gray-light-border:      #ccc;
+
+$blue-base:              #a8d7f5;
+$blue-dark:              #99cef4;
+$blue-darker:            #89bef4;
+$blue:                   #bee0f8;
+$blue-light:             #f2f9fd;
+
+$green-bg:               #dcfedd;
+
+//== Scaffolding
+//
+//## Settings for some of the most global styles.
+
+$body-bg:                #fff;
+
+//== Components
+//
+//## Define common padding and border radius sizes and more.
+
+$padding-base-horizontal: 8px;
+
+
+//== Custom Components
+
+$padding-base:           12px;
+$padding-xs:             4px;
+$padding-sm:             5px;
+
+$height-base:            46px;
+$height-top:             40px;
+$placeholder-height:     50px;
diff --git a/package.json b/package.json
index e99038e..67d2ec4 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "build": "yarn && NODE_ENV=production webpack -p --bail --progress",
     "watch": "yarn && NODE_ENV=development webpack --watch --progress",
     "css": "WEBPACK_CHILD=css npm run build",
-    "lint": "eslint client/src && sass-lint -v"
+    "lint": "eslint client/src; sass-lint -v"
   },
   "repository": {
     "type": "git",
diff --git a/webpack.config.js b/webpack.config.js
index 4588bfc..6e78eec 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -54,8 +54,8 @@ const config = [
   {
     name: 'css',
     entry: {
-      userforms: `${PATHS.SRC}/styles/userforms.scss`,
-      'userforms-cms': `${PATHS.SRC}/styles/userforms-cms.scss`,
+      userforms: `${PATHS.SRC}/styles/bundle.scss`,
+      'userforms-cms': `${PATHS.SRC}/styles/bundle-cms.scss`,
     },
     output: {
       path: PATHS.DIST,