Further review changes and removed large ammounts of reformatting

app/assets/javascripts/gl_dropdown.js.coffee

 class GitLabDropdownFilter
   BLUR_KEYCODES = [27, 40]
   ARROW_KEY_CODES = [38, 40]
-  HAS_VALUE_CLASS = 'has-value'
+  HAS_VALUE_CLASS = "has-value"
 
   constructor: (@input, @options) ->
     {
@@ -9,7 +9,7 @@ class GitLabDropdownFilter
     } = @options
 
     $inputContainer = @input.parent()
-    $clearButton = $inputContainer.find '.js-dropdown-input-clear'
+    $clearButton = $inputContainer.find('.js-dropdown-input-clear')
 
     @indeterminateIds = []
 
@@ -18,23 +18,24 @@ class GitLabDropdownFilter
       e.preventDefault()
       e.stopPropagation()
       @input
-        .val ''
-        .trigger 'keyup'
+        .val('')
+        .trigger('keyup')
         .focus()
 
     # Key events
-    timeout = ''
-    @input.on 'keyup', (e) =>
+    timeout = ""
+    @input.on "keyup", (e) =>
       keyCode = e.which
 
       return if ARROW_KEY_CODES.indexOf(keyCode) >= 0
 
-      if @input.val() isnt '' and not $inputContainer.hasClass HAS_VALUE_CLASS
+      if @input.val() isnt "" and !$inputContainer.hasClass HAS_VALUE_CLASS
         $inputContainer.addClass HAS_VALUE_CLASS
-      else if @input.val() is '' and $inputContainer.hasClass HAS_VALUE_CLASS
+      else if @input.val() is "" and $inputContainer.hasClass HAS_VALUE_CLASS
         $inputContainer.removeClass HAS_VALUE_CLASS
 
-      return false if keyCode is 13
+      if keyCode is 13
+        return false
 
       # Only filter asynchronously only if option remote is set
       if @options.remote
@@ -46,13 +47,13 @@ class GitLabDropdownFilter
             @input.blur()
 
           @options.query @input.val(), (data) =>
-            @options.callback data
+            @options.callback(data)
         , 250
       else
         @filter @input.val()
 
   shouldBlur: (keyCode) ->
-    BLUR_KEYCODES.indexOf(keyCode) >= 0
+    return BLUR_KEYCODES.indexOf(keyCode) >= 0
 
   filter: (search_text) ->
     @options.onFilter(search_text) if @options.onFilter
@@ -68,8 +69,9 @@ class GitLabDropdownFilter
         #   { prop: 'baz' }
         # ]
         if _.isArray(data)
-          results = fuzzaldrinPlus.filter data, search_text,
+          results = fuzzaldrinPlus.filter(data, search_text,
             key: @options.keys
+          )
         else
           # If data is grouped therefore an [object Object]. e.g.
           # {
@@ -85,8 +87,9 @@ class GitLabDropdownFilter
           if gl.utils.isObject data
             results = {}
             for key, group of data
-              tmp = fuzzaldrinPlus.filter group, search_text,
+              tmp = fuzzaldrinPlus.filter(group, search_text,
                 key: @options.keys
+              )
 
               if tmp.length
                 results[key] = tmp.map (item) -> item
@@ -97,10 +100,10 @@ class GitLabDropdownFilter
 
       if search_text
         elements.each ->
-          $el = $(this)
-          matches = fuzzaldrinPlus.match $el.text().trim(), search_text
+          $el = $(@)
+          matches = fuzzaldrinPlus.match($el.text().trim(), search_text)
 
-          unless $el.is '.dropdown-header'
+          unless $el.is('.dropdown-header')
             if matches.length
               $el.show()
             else
@@ -112,68 +115,75 @@ class GitLabDropdownRemote
   constructor: (@dataEndpoint, @options) ->
 
   execute: ->
-    if typeof @dataEndpoint is 'string'
+    if typeof @dataEndpoint is "string"
       @fetchData()
-    else if typeof @dataEndpoint is 'function'
-      @options.beforeSend() if @options.beforeSend
+    else if typeof @dataEndpoint is "function"
+      if @options.beforeSend
+        @options.beforeSend()
 
       # Fetch the data by calling the data funcfion
-      @dataEndpoint '', (data) =>
-        @options.success(data) if @options.success
-        @options.beforeSend() if @options.beforeSend
+      @dataEndpoint "", (data) =>
+        if @options.success
+          @options.success(data)
+        if @options.beforeSend
+          @options.beforeSend()
 
   # Fetch the data through ajax if the data is a string
   fetchData: ->
-    $.ajax
+    $.ajax(
       url: @dataEndpoint,
       dataType: @options.dataType,
       beforeSend: =>
-        @options.beforeSend() if @options.beforeSend
+        if @options.beforeSend
+          @options.beforeSend()
       success: (data) =>
-        @options.success(data) if @options.success
+        if @options.success
+          @options.success(data)
+    )
 
 class GitLabDropdown
-  LOADING_CLASS = 'is-loading'
-  PAGE_TWO_CLASS = 'is-page-two'
-  ACTIVE_CLASS = 'is-active'
-  INDETERMINATE_CLASS = 'is-indeterminate'
+  LOADING_CLASS = "is-loading"
+  PAGE_TWO_CLASS = "is-page-two"
+  ACTIVE_CLASS = "is-active"
+  INDETERMINATE_CLASS = "is-indeterminate"
+  currentIndex = -1
   NON_SELECTABLE_CLASSES = '.divider, .separator, .dropdown-header, .dropdown-menu-empty-link'
   SELECTABLE_CLASSES = ".dropdown-content li:not(#{NON_SELECTABLE_CLASSES})"
   FILTER_INPUT = '.dropdown-input .dropdown-input-field'
-  currentIndex = -1
   CURSOR_SELECT_SCROLL_PADDING = 5
 
   constructor: (@el, @options) ->
-    self = this
-    selector = $(@el).data 'target'
+    self = @
+    selector = $(@el).data "target"
     @dropdown = if selector? then $(selector) else $(@el).parent()
 
     # Set Defaults
     {
       # If no input is passed create a default one
-      @filterInput = @getElement FILTER_INPUT
+      @filterInput = @getElement(FILTER_INPUT)
       @highlight = false
       @filterInputBlur = true
     } = @options
 
-    self = this
+    self = @
 
     # If selector was passed
-    @filterInput = @getElement(@filterInput) if _.isString @filterInput
+    if _.isString(@filterInput)
+      @filterInput = @getElement(@filterInput)
 
     searchFields = if @options.search then @options.search.fields else []
 
     if @options.data
       # If we provided data
       # data could be an array of objects or a group of arrays
-      if _.isObject(@options.data) and not _.isFunction @options.data
+      if _.isObject(@options.data) and not _.isFunction(@options.data)
         @fullData = @options.data
         @parseData @options.data
       else
         # Remote data
-        @remote = new GitLabDropdownRemote @options.data,
+        @remote = new GitLabDropdownRemote @options.data, {
           dataType: @options.dataType,
-          beforeSend: @toggleLoading.bind this
+          beforeSend: @toggleLoading.bind(@)
           success: (data) =>
             @fullData = data
 
@@ -181,8 +191,8 @@ class GitLabDropdown
             currentIndex = -1
             @parseData @fullData
 
-            if @options.filterable and @filter and @filter.input
-              @filter.input.trigger 'keyup'
+            @filter.input.trigger('keyup') if @options.filterable and @filter and @filter.input
+        }
 
     # Init filterable
     if @options.filterable
@@ -199,9 +209,9 @@ class GitLabDropdown
           if @dropdown.find('.dropdown-toggle-page').length
             selector = ".dropdown-page-one #{selector}"
 
-          $(selector)
+          return $(selector)
         data: =>
-          @fullData
+          return @fullData
         callback: (data) =>
           @parseData data
 
@@ -221,35 +231,37 @@ class GitLabDropdown
 
     # Event listeners
 
-    @dropdown.on 'shown.bs.dropdown', @opened
-    @dropdown.on 'hidden.bs.dropdown', @hidden
-    $(@el).on 'update.label', @updateLabel
-    @dropdown.on 'click', '.dropdown-menu, .dropdown-menu-close', @shouldPropagate
+    @dropdown.on "shown.bs.dropdown", @opened
+    @dropdown.on "hidden.bs.dropdown", @hidden
+    $(@el).on "update.label", @updateLabel
+    @dropdown.on "click", ".dropdown-menu, .dropdown-menu-close", @shouldPropagate
     @dropdown.on 'keyup', (e) =>
-      $('.dropdown-menu-close', @dropdown).trigger 'click' if e.which is 27
+      if e.which is 27 # Escape key
+        $('.dropdown-menu-close', @dropdown).trigger 'click'
 
     @dropdown.on 'blur', 'a', (e) =>
       if e.relatedTarget?
         $relatedTarget = $(e.relatedTarget)
         $dropdownMenu = $relatedTarget.closest('.dropdown-menu')
 
-        @dropdown.removeClass('open') if $dropdownMenu.length is 0
+        if $dropdownMenu.length is 0
+          @dropdown.removeClass('open')
 
-    if @dropdown.find('.dropdown-toggle-page').length
-      @dropdown.find('.dropdown-toggle-page, .dropdown-menu-back').on 'click', (e) =>
+    if @dropdown.find(".dropdown-toggle-page").length
+      @dropdown.find(".dropdown-toggle-page, .dropdown-menu-back").on "click", (e) =>
         e.preventDefault()
         e.stopPropagation()
 
         @togglePage()
 
     if @options.selectable
-      selector = '.dropdown-content a'
+      selector = ".dropdown-content a"
 
-      if @dropdown.find('.dropdown-toggle-page').length
-        selector = '.dropdown-page-one .dropdown-content a'
+      if @dropdown.find(".dropdown-toggle-page").length
+        selector = ".dropdown-page-one .dropdown-content a"
 
-      @dropdown.on 'click', selector, (e) ->
-        $el = $(this)
+      @dropdown.on "click", selector, (e) ->
+        $el = $(@)
         selected = self.rowClicked $el
 
         if self.options.clicked
@@ -268,7 +280,8 @@ class GitLabDropdown
     menu = $('.dropdown-menu', @dropdown)
 
     if menu.hasClass(PAGE_TWO_CLASS)
-      @remote.execute() if @remote
+      if @remote
+        @remote.execute()
 
     menu.toggleClass PAGE_TWO_CLASS
 
@@ -303,32 +316,38 @@ class GitLabDropdown
 
   renderData: (data, group = false) ->
     data.map (obj, index) =>
-      @renderItem(obj, group, index)
+      return @renderItem(obj, group, index)
 
   shouldPropagate: (e) =>
-    $target = $(e.target) if @options.multiSelect
+    if @options.multiSelect
+      $target = $(e.target)
+
     if $target and not $target.hasClass('dropdown-menu-close') and not $target.hasClass('dropdown-menu-close-icon') and not $target.data('is-link')
       e.stopPropagation()
-      false
+      return false
     else
-      true
+      return true
 
   opened: =>
     @resetRows()
     @addArrowKeyEvent()
 
-    @options.setIndeterminateIds.call this if @options.setIndeterminateIds
+    if @options.setIndeterminateIds
+      @options.setIndeterminateIds.call(@)
 
-    @options.setActiveIds.call this if @options.setActiveIds
+    if @options.setActiveIds
+      @options.setActiveIds.call(@)
 
     # Makes indeterminate items effective
     if @fullData and @dropdown.find('.dropdown-menu-toggle').hasClass('js-filter-bulk-update')
       @parseData @fullData
 
     contentHtml = $('.dropdown-content', @dropdown).html()
-    @remote.execute() if @remote and contentHtml is ''
+    if @remote && contentHtml is ""
+      @remote.execute()
 
-    @filterInput.focus() if @options.filterable
+    if @options.filterable
+      @filterInput.focus()
 
     @dropdown.trigger('shown.gl.dropdown')
 
@@ -336,48 +355,51 @@ class GitLabDropdown
     @resetRows()
     @removeArrayKeyEvent()
 
-    $input = @dropdown.find('.dropdown-input-field')
+    $input = @dropdown.find(".dropdown-input-field")
 
     if @options.filterable
       $input
         .blur()
-        .val('')
+        .val("")
 
     # Triggering 'keyup' will re-render the dropdown which is not always required
     # specially if we want to keep the state of the dropdown needed for bulk-assignment
-    $input.trigger('keyup') unless @options.persistWhenHide
+    if not @options.persistWhenHide
+      $input.trigger("keyup")
 
-    if @dropdown.find('.dropdown-toggle-page').length
+    if @dropdown.find(".dropdown-toggle-page").length
       $('.dropdown-menu', @dropdown).removeClass PAGE_TWO_CLASS
 
-    @options.hidden.call this, e if @options.hidden
+    if @options.hidden
+      @options.hidden.call(@,e)
 
     @dropdown.trigger('hidden.gl.dropdown')
 
 
   # Render the full menu
   renderMenu: (html) ->
-    menu_html = ''
+    menu_html = ""
 
     if @options.renderMenu
-      menu_html = @options.renderMenu html
+      menu_html = @options.renderMenu(html)
     else
-      menu_html = $('<ul/>').append html
+      menu_html = $('<ul />')
+        .append(html)
 
-    menu_html
+    return menu_html
 
   # Append the menu into the dropdown
   appendMenu: (html) ->
     selector = '.dropdown-content'
-    if @dropdown.find('.dropdown-toggle-page').length
-      selector = '.dropdown-page-one .dropdown-content'
+    if @dropdown.find(".dropdown-toggle-page").length
+      selector = ".dropdown-page-one .dropdown-content"
     $(selector, @dropdown)
       .empty()
-      .append html
+      .append(html)
 
   # Render the row
   renderItem: (data, group = false, index = false) ->
-    html = ''
+    html = ""
 
     # Divider
     return '<li class="divider"></li>' if data is 'divider'
@@ -392,11 +414,12 @@ class GitLabDropdown
       # Call the render function
       html = @options.renderRow.call(@options, data, @)
     else
-      unless selected
+      if not selected
         value = if @options.id then @options.id(data) else data.id
         fieldName = @options.fieldName
         field = @dropdown.parent().find("input[name='#{fieldName}'][value='#{value}']")
-        selected = true if field.length
+        if field.length
+          selected = true
 
       # Set URL
       if @options.url?
@@ -410,15 +433,16 @@ class GitLabDropdown
       else
         text = if data.text? then data.text else ''
 
-      cssClass = ''
+      cssClass = ""
 
-      cssClass = 'is-active' if selected
+      if selected
+        cssClass = "is-active"
 
       if @highlight
         text = @highlightTextMatches(text, @filterInput.val())
 
       if group
-        groupAttrs = "data-group=#{group} data-index=#{index}"
+        groupAttrs = "data-group='#{group}' data-index='#{index}'"
       else
         groupAttrs = ''
       html = _.template('<li>
@@ -432,7 +456,7 @@ class GitLabDropdown
         text: text
       })
 
-    html
+    return html
 
   highlightTextMatches: (text, term) ->
     occurrences = fuzzaldrinPlus.match(text, term)
@@ -452,9 +476,9 @@ class GitLabDropdown
     isInput = $(@el).is('input')
 
     if @renderedData
-      groupName = el.data 'group'
+      groupName = el.data('group')
       if groupName
-        selectedIndex = el.data 'index'
+        selectedIndex = el.data('index')
         selectedObject = @renderedData[groupName][selectedIndex]
       else
         selectedIndex = el.closest('li').index()
@@ -477,19 +501,20 @@ class GitLabDropdown
 
       # Toggle the dropdown label
       if @options.toggleLabel
-        @updateLabel(selectedObject, el, this)
+        @updateLabel(selectedObject, el, @)
       else
         selectedObject
     else if el.hasClass(INDETERMINATE_CLASS)
       el.addClass ACTIVE_CLASS
       el.removeClass INDETERMINATE_CLASS
 
-      field.remove() unless value?
+      if not value?
+        field.remove()
 
       if not field.length and fieldName
         @addInput(fieldName, value)
 
-      selectedObject
+      return selectedObject
     else
       if not @options.multiSelect or el.hasClass('dropdown-clear-active')
         @dropdown.find(".#{ACTIVE_CLASS}").removeClass ACTIVE_CLASS
@@ -497,23 +522,24 @@ class GitLabDropdown
         unless isInput
           @dropdown.parent().find("input[name='#{fieldName}']").remove()
 
-      field.remove() unless value?
+      if !value?
+        field.remove()
 
       # Toggle active class for the tick mark
       el.addClass ACTIVE_CLASS
 
       # Toggle the dropdown label
       if @options.toggleLabel
-        @updateLabel(selectedObject, el, this)
+        @updateLabel(selectedObject, el, @)
       if value?
-        if not field.length and fieldName
+        if !field.length and fieldName
           @addInput(fieldName, value)
         else
           field
             .val value
             .trigger 'change'
 
-      selectedObject
+      return selectedObject
 
   addInput: (fieldName, value)->
     # Create hidden input for form
@@ -530,21 +556,22 @@ class GitLabDropdown
     # Dropdown list item link selector, excluding non-selectable list items
     selector = "#{SELECTABLE_CLASSES}:eq(#{index}) a"
 
-    if @dropdown.find('.dropdown-toggle-page').length
+    if @dropdown.find(".dropdown-toggle-page").length
       selector = ".dropdown-page-one #{selector}"
 
     # simulate a click on the first link
     $el = $(selector, @dropdown)
+
     if $el.length
       e.preventDefault()
       e.stopImmediatePropagation()
-      $el.first().trigger 'click'
+      $el.first().trigger('click')
       href = $el.attr 'href'
       Turbolinks.visit(href) if href and href isnt '#'
 
   addArrowKeyEvent: ->
     ARROW_KEY_CODES = [38, 40]
-    $input = @dropdown.find '.dropdown-input-field'
+    $input = @dropdown.find(".dropdown-input-field")
 
     # Dropdown list item selector, excluding non-selectable list items
     selector = SELECTABLE_CLASSES
@@ -571,8 +598,7 @@ class GitLabDropdown
           # Move up
           currentIndex -= 1 if currentIndex > 0
 
-        if currentIndex isnt PREV_INDEX
-          @highlightRowAtIndex($listItems, currentIndex)
+        @highlightRowAtIndex($listItems, currentIndex) if currentIndex isnt PREV_INDEX
 
         return false
 
@@ -596,7 +622,7 @@ class GitLabDropdown
 
     # Update the class for the row at the specific index
     $listItem = $listItems.eq(index)
-    $listItem.find('a:first-child').addClass 'is-focused'
+    $listItem.find('a:first-child').addClass "is-focused"
 
     # Dropdown content scroll area
     $dropdownContent = $listItem.closest('.dropdown-content')
@@ -624,9 +650,9 @@ class GitLabDropdown
       $dropdownContent.scrollTop(listItemTop - dropdownContentTop - CURSOR_SELECT_SCROLL_PADDING)
 
   updateLabel: (selected = null, el = null, instance = null) =>
-    $(@el).find('.dropdown-toggle-text').text @options.toggleLabel(selected, el, instance)
+    $(@el).find(".dropdown-toggle-text").text @options.toggleLabel(selected, el, instance)
 
 $.fn.glDropdown = (opts) ->
-  @each ->
-    unless $.data this, 'glDropdown'
-      $.data this, 'glDropdown', new GitLabDropdown this, opts
+  return @.each ->
+    if (!$.data @, 'glDropdown')
+      $.data(@, 'glDropdown', new GitLabDropdown @, opts)

app/assets/javascripts/search_autocomplete.js.coffee

@@ -315,11 +315,10 @@ class @SearchAutocomplete
 
   disableAutocomplete: ->
     # If not disabled already, disable
-    if not @searchInput.hasClass('disabled') && @dropdown.hasClass('open')
+    if not @searchInput.hasClass('disabled') and @dropdown.hasClass 'open'
       @searchInput.addClass('disabled')
       # Close dropdown and invoke its hidden() method
-      @dropdown.removeClass('open')
-        .trigger('hidden.bs.dropdown')
+      @dropdown.removeClass('open').trigger 'hidden.bs.dropdown'
       @restoreMenu()
 
   restoreMenu: ->