Update droplab

.babelrc

@@ -8,7 +8,6 @@
       "plugins": [
         ["istanbul", {
           "exclude": [
-            "app/assets/javascripts/droplab/**/*",
             "spec/javascripts/**/*"
           ]
         }],

app/assets/javascripts/droplab/constants.js

+const DATA_TRIGGER = 'data-dropdown-trigger';
+const DATA_DROPDOWN = 'data-dropdown';
+const SELECTED_CLASS = 'droplab-item-selected';
+const ACTIVE_CLASS = 'droplab-item-active';
+
+export {
+  DATA_TRIGGER,
+  DATA_DROPDOWN,
+  SELECTED_CLASS,
+  ACTIVE_CLASS,
+};

app/assets/javascripts/droplab/drop_down.js

+/* eslint-disable */
+
+import utils from './utils';
+import { SELECTED_CLASS } from './constants';
+
+var DropDown = function(list) {
+  this.currentIndex = 0;
+  this.hidden = true;
+  this.list = typeof list === 'string' ? document.querySelector(list) : list;
+  this.items = [];
+
+  this.eventWrapper = {};
+
+  this.getItems();
+  this.initTemplateString();
+  this.addEvents();
+
+  this.initialState = list.innerHTML;
+};
+
+Object.assign(DropDown.prototype, {
+  getItems: function() {
+    this.items = [].slice.call(this.list.querySelectorAll('li'));
+    return this.items;
+  },
+
+  initTemplateString: function() {
+    var items = this.items || this.getItems();
+
+    var templateString = '';
+    if (items.length > 0) templateString = items[items.length - 1].outerHTML;
+    this.templateString = templateString;
+
+    return this.templateString;
+  },
+
+  clickEvent: function(e) {
+    var selected = utils.closest(e.target, 'LI');
+    if (!selected) return;
+
+    this.addSelectedClass(selected);
+
+    e.preventDefault();
+    this.hide();
+
+    var listEvent = new CustomEvent('click.dl', {
+      detail: {
+        list: this,
+        selected: selected,
+        data: e.target.dataset,
+      },
+    });
+    this.list.dispatchEvent(listEvent);
+  },
+
+  addSelectedClass: function (selected) {
+    this.removeSelectedClasses();
+    selected.classList.add(SELECTED_CLASS);
+  },
+
+  removeSelectedClasses: function () {
+    const items = this.items || this.getItems();
+
+    items.forEach(item => item.classList.remove(SELECTED_CLASS));
+  },
+
+  addEvents: function() {
+    this.eventWrapper.clickEvent = this.clickEvent.bind(this)
+    this.list.addEventListener('click', this.eventWrapper.clickEvent);
+  },
+
+  toggle: function() {
+    this.hidden ? this.show() : this.hide();
+  },
+
+  setData: function(data) {
+    this.data = data;
+    this.render(data);
+  },
+
+  addData: function(data) {
+    this.data = (this.data || []).concat(data);
+    this.render(this.data);
+  },
+
+  render: function(data) {
+    const children = data ? data.map(this.renderChildren.bind(this)) : [];
+    const renderableList = this.list.querySelector('ul[data-dynamic]') || this.list;
+
+    renderableList.innerHTML = children.join('');
+  },
+
+  renderChildren: function(data) {
+    var html = utils.t(this.templateString, data);
+    var template = document.createElement('div');
+
+    template.innerHTML = html;
+    this.setImagesSrc(template);
+    template.firstChild.style.display = data.droplab_hidden ? 'none' : 'block';
+
+    return template.firstChild.outerHTML;
+  },
+
+  setImagesSrc: function(template) {
+    const images = [].slice.call(template.querySelectorAll('img[data-src]'));
+
+    images.forEach((image) => {
+      image.src = image.getAttribute('data-src');
+      image.removeAttribute('data-src');
+    });
+  },
+
+  show: function() {
+    if (!this.hidden) return;
+    this.list.style.display = 'block';
+    this.currentIndex = 0;
+    this.hidden = false;
+  },
+
+  hide: function() {
+    if (this.hidden) return;
+    this.list.style.display = 'none';
+    this.currentIndex = 0;
+    this.hidden = true;
+  },
+
+  toggle: function () {
+    this.hidden ? this.show() : this.hide();
+  },
+
+  destroy: function() {
+    this.hide();
+    this.list.removeEventListener('click', this.eventWrapper.clickEvent);
+  }
+});
+
+export default DropDown;

app/assets/javascripts/droplab/drop_lab.js

+/* eslint-disable */
+
+import HookButton from './hook_button';
+import HookInput from './hook_input';
+import utils from './utils';
+import Keyboard from './keyboard';
+import { DATA_TRIGGER } from './constants';
+
+var DropLab = function() {
+  this.ready = false;
+  this.hooks = [];
+  this.queuedData = [];
+  this.config = {};
+
+  this.eventWrapper = {};
+};
+
+Object.assign(DropLab.prototype, {
+  loadStatic: function(){
+    var dropdownTriggers = [].slice.apply(document.querySelectorAll(`[${DATA_TRIGGER}]`));
+    this.addHooks(dropdownTriggers);
+  },
+
+  addData: function () {
+    var args = [].slice.apply(arguments);
+    this.applyArgs(args, '_addData');
+  },
+
+  setData: function() {
+    var args = [].slice.apply(arguments);
+    this.applyArgs(args, '_setData');
+  },
+
+  destroy: function() {
+    this.hooks.forEach(hook => hook.destroy());
+    this.hooks = [];
+    this.removeEvents();
+  },
+
+  applyArgs: function(args, methodName) {
+    if (this.ready) return this[methodName].apply(this, args);
+
+    this.queuedData = this.queuedData || [];
+    this.queuedData.push(args);
+  },
+
+  _addData: function(trigger, data) {
+    this._processData(trigger, data, 'addData');
+  },
+
+  _setData: function(trigger, data) {
+    this._processData(trigger, data, 'setData');
+  },
+
+  _processData: function(trigger, data, methodName) {
+    this.hooks.forEach((hook) => {
+      if (Array.isArray(trigger)) hook.list[methodName](trigger);
+
+      if (hook.trigger.id === trigger) hook.list[methodName](data);
+    });
+  },
+
+  addEvents: function() {
+    this.eventWrapper.documentClicked = this.documentClicked.bind(this)
+    document.addEventListener('click', this.eventWrapper.documentClicked);
+  },
+
+  documentClicked: function(e) {
+    let thisTag = e.target;
+
+    if (thisTag.tagName !== 'UL') thisTag = utils.closest(thisTag, 'UL');
+    if (utils.isDropDownParts(thisTag, this.hooks) || utils.isDropDownParts(e.target, this.hooks)) return;
+
+    this.hooks.forEach(hook => hook.list.hide());
+  },
+
+  removeEvents: function(){
+    document.removeEventListener('click', this.eventWrapper.documentClicked);
+  },
+
+  changeHookList: function(trigger, list, plugins, config) {
+    const availableTrigger =  typeof trigger === 'string' ? document.getElementById(trigger) : trigger;
+
+
+    this.hooks.forEach((hook, i) => {
+      hook.list.list.dataset.dropdownActive = false;
+
+      if (hook.trigger !== availableTrigger) return;
+
+      hook.destroy();
+      this.hooks.splice(i, 1);
+      this.addHook(availableTrigger, list, plugins, config);
+    });
+  },
+
+  addHook: function(hook, list, plugins, config) {
+    const availableHook = typeof hook === 'string' ? document.querySelector(hook) : hook;
+    let availableList;
+
+    if (typeof list === 'string') {
+      availableList = document.querySelector(list);
+    } else if (list instanceof Element) {
+      availableList = list;
+    } else {
+      availableList = document.querySelector(hook.dataset[utils.toCamelCase(DATA_TRIGGER)]);
+    }
+
+    availableList.dataset.dropdownActive = true;
+
+    const HookObject = availableHook.tagName === 'INPUT' ? HookInput : HookButton;
+    this.hooks.push(new HookObject(availableHook, availableList, plugins, config));
+
+    return this;
+  },
+
+  addHooks: function(hooks, plugins, config) {
+    hooks.forEach(hook => this.addHook(hook, null, plugins, config));
+    return this;
+  },
+
+  setConfig: function(obj){
+    this.config = obj;
+  },
+
+  fireReady: function() {
+    const readyEvent = new CustomEvent('ready.dl', {
+      detail: {
+        dropdown: this,
+      },
+    });
+    document.dispatchEvent(readyEvent);
+
+    this.ready = true;
+  },
+
+  init: function (hook, list, plugins, config) {
+    hook ? this.addHook(hook, list, plugins, config) : this.loadStatic();
+
+    this.addEvents();
+
+    Keyboard();
+
+    this.fireReady();
+
+    this.queuedData.forEach(data => this.addData(data));
+    this.queuedData = [];
+
+    return this;
+  },
+});
+
+export default DropLab;

app/assets/javascripts/droplab/droplab_ajax.js

-/* eslint-disable */
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g=(g.droplab||(g.droplab = {}));g=(g.ajax||(g.ajax = {}));g=(g.datasource||(g.datasource = {}));g.js = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-/* global droplab */
-
-require('../window')(function(w){
-  function droplabAjaxException(message) {
-    this.message = message;
-  }
-
-  w.droplabAjax = {
-    _loadUrlData: function _loadUrlData(url) {
-      var self = this;
-      return new Promise(function(resolve, reject) {
-        var xhr = new XMLHttpRequest;
-        xhr.open('GET', url, true);
-        xhr.onreadystatechange = function () {
-          if(xhr.readyState === XMLHttpRequest.DONE) {
-            if (xhr.status === 200) {
-              var data = JSON.parse(xhr.responseText);
-              self.cache[url] = data;
-              return resolve(data);
-            } else {
-              return reject([xhr.responseText, xhr.status]);
-            }
-          }
-        };
-        xhr.send();
-      });
-    },
-
-    _loadData: function _loadData(data, config, self) {
-      if (config.loadingTemplate) {
-        var dataLoadingTemplate = self.hook.list.list.querySelector('[data-loading-template]');
-
-        if (dataLoadingTemplate) {
-          dataLoadingTemplate.outerHTML = self.listTemplate;
-        }
-      }
-
-      if (!self.destroyed) {
-        self.hook.list[config.method].call(self.hook.list, data);
-      }
-    },
-
-    init: function init(hook) {
-      var self = this;
-      self.destroyed = false;
-      self.cache = self.cache || {};
-      var config = hook.config.droplabAjax;
-      this.hook = hook;
-
-      if (!config || !config.endpoint || !config.method) {
-        return;
-      }
-
-      if (config.method !== 'setData' && config.method !== 'addData') {
-        return;
-      }
-
-      if (config.loadingTemplate) {
-        var dynamicList = hook.list.list.querySelector('[data-dynamic]');
-
-        var loadingTemplate = document.createElement('div');
-        loadingTemplate.innerHTML = config.loadingTemplate;
-        loadingTemplate.setAttribute('data-loading-template', '');
-
-        this.listTemplate = dynamicList.outerHTML;
-        dynamicList.outerHTML = loadingTemplate.outerHTML;
-      }
-
-      if (self.cache[config.endpoint]) {
-        self._loadData(self.cache[config.endpoint], config, self);
-      } else {
-        this._loadUrlData(config.endpoint)
-          .then(function(d) {
-            self._loadData(d, config, self);
-          }, function(xhrError) {
-            // TODO: properly handle errors due to XHR cancellation
-            return;
-          }).catch(function(e) {
-            throw new droplabAjaxException(e.message || e);
-          });
-      }
-    },
-
-    destroy: function() {
-      var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
-      this.destroyed = true;
-      if (this.listTemplate && dynamicList) {
-        dynamicList.outerHTML = this.listTemplate;
-      }
-    }
-  };
-});
-},{"../window":2}],2:[function(require,module,exports){
-module.exports = function(callback) {
-  return (function() {
-    callback(this);
-  }).call(null);
-};
-
-},{}]},{},[1])(1)
-});

app/assets/javascripts/droplab/droplab_ajax_filter.js

-/* eslint-disable */
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g=(g.droplab||(g.droplab = {}));g=(g.ajax||(g.ajax = {}));g=(g.datasource||(g.datasource = {}));g.js = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-/* global droplab */
-
-require('../window')(function(w){
-  w.droplabAjaxFilter = {
-    init: function(hook) {
-      this.destroyed = false;
-      this.hook = hook;
-      this.notLoading();
-
-      this.debounceTriggerWrapper = this.debounceTrigger.bind(this);
-      this.hook.trigger.addEventListener('keydown.dl', this.debounceTriggerWrapper);
-      this.hook.trigger.addEventListener('focus', this.debounceTriggerWrapper);
-      this.trigger(true);
-    },
-
-    notLoading: function notLoading() {
-      this.loading = false;
-    },
-
-    debounceTrigger: function debounceTrigger(e) {
-      var NON_CHARACTER_KEYS = [16, 17, 18, 20, 37, 38, 39, 40, 91, 93];
-      var invalidKeyPressed = NON_CHARACTER_KEYS.indexOf(e.detail.which || e.detail.keyCode) > -1;
-      var focusEvent = e.type === 'focus';
-
-      if (invalidKeyPressed || this.loading) {
-        return;
-      }
-
-      if (this.timeout) {
-        clearTimeout(this.timeout);
-      }
-
-      this.timeout = setTimeout(this.trigger.bind(this, focusEvent), 200);
-    },
-
-    trigger: function trigger(getEntireList) {
-      var config = this.hook.config.droplabAjaxFilter;
-      var searchValue = this.trigger.value;
-
-      if (!config || !config.endpoint || !config.searchKey) {
-        return;
-      }
-
-      if (config.searchValueFunction) {
-        searchValue = config.searchValueFunction();
-      }
-
-      if (config.loadingTemplate && this.hook.list.data === undefined ||
-        this.hook.list.data.length === 0) {
-        var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
-
-        var loadingTemplate = document.createElement('div');
-        loadingTemplate.innerHTML = config.loadingTemplate;
-        loadingTemplate.setAttribute('data-loading-template', true);
-
-        this.listTemplate = dynamicList.outerHTML;
-        dynamicList.outerHTML = loadingTemplate.outerHTML;
-      }
-
-      if (getEntireList) {
-        searchValue = '';
-      }
-
-      if (config.searchKey === searchValue) {
-        return this.list.show();
-      }
-
-      this.loading = true;
-
-      var params = config.params || {};
-      params[config.searchKey] = searchValue;
-      var self = this;
-      self.cache = self.cache || {};
-      var url = config.endpoint + this.buildParams(params);
-      var urlCachedData = self.cache[url];
-
-      if (urlCachedData) {
-        self._loadData(urlCachedData, config, self);
-      } else {
-        this._loadUrlData(url)
-          .then(function(data) {
-            self._loadData(data, config, self);
-          }, function(xhrError) {
-            // TODO: properly handle errors due to XHR cancellation
-            return;
-          });
-      }
-    },
-
-    _loadUrlData: function _loadUrlData(url) {
-      var self = this;
-      return new Promise(function(resolve, reject) {
-        var xhr = new XMLHttpRequest;
-        xhr.open('GET', url, true);
-        xhr.onreadystatechange = function () {
-          if(xhr.readyState === XMLHttpRequest.DONE) {
-            if (xhr.status === 200) {
-              var data = JSON.parse(xhr.responseText);
-              self.cache[url] = data;
-              return resolve(data);
-            } else {
-              return reject([xhr.responseText, xhr.status]);
-            }
-          }
-        };
-        xhr.send();
-      });
-    },
-
-    _loadData: function _loadData(data, config, self) {
-      if (config.loadingTemplate && self.hook.list.data === undefined ||
-        self.hook.list.data.length === 0) {
-        const dataLoadingTemplate = self.hook.list.list.querySelector('[data-loading-template]');
-
-        if (dataLoadingTemplate) {
-          dataLoadingTemplate.outerHTML = self.listTemplate;
-        }
-      }
-
-      if (!self.destroyed) {
-        var hookListChildren = self.hook.list.list.children;
-        var onlyDynamicList = hookListChildren.length === 1 && hookListChildren[0].hasAttribute('data-dynamic');
-
-        if (onlyDynamicList && data.length === 0) {
-          self.hook.list.hide();
-        }
-
-        self.hook.list.setData.call(self.hook.list, data);
-      }
-      self.notLoading();
-      self.hook.list.currentIndex = 0;
-    },
-
-    buildParams: function(params) {
-      if (!params) return '';
-      var paramsArray = Object.keys(params).map(function(param) {
-        return param + '=' + (params[param] || '');
-      });
-      return '?' + paramsArray.join('&');
-    },
-
-    destroy: function destroy() {
-      if (this.timeout) {
-        clearTimeout(this.timeout);
-      }
-
-      this.destroyed = true;
-
-      this.hook.trigger.removeEventListener('keydown.dl', this.debounceTriggerWrapper);
-      this.hook.trigger.removeEventListener('focus', this.debounceTriggerWrapper);
-    }
-  };
-});
-},{"../window":2}],2:[function(require,module,exports){
-module.exports = function(callback) {
-  return (function() {
-    callback(this);
-  }).call(null);
-};
-
-},{}]},{},[1])(1)
-});

app/assets/javascripts/droplab/droplab_filter.js

-/* eslint-disable */
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g=(g.droplab||(g.droplab = {}));g=(g.filter||(g.filter = {}));g.js = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-/* global droplab */
-
-require('../window')(function(w){
-  w.droplabFilter = {
-
-    keydownWrapper: function(e){
-        var hiddenCount = 0;
-        var dataHiddenCount = 0;
-        var list = e.detail.hook.list;
-        var data = list.data;
-        var value = e.detail.hook.trigger.value.toLowerCase();
-        var config = e.detail.hook.config.droplabFilter;
-        var matches = [];
-        var filterFunction;
-        // will only work on dynamically set data
-        if(!data){
-          return;
-        }
-
-        if (config && config.filterFunction && typeof config.filterFunction === 'function') {
-          filterFunction = config.filterFunction;
-        } else {
-          filterFunction = function(o){
-            // cheap string search
-            o.droplab_hidden = o[config.template].toLowerCase().indexOf(value) === -1;
-            return o;
-          };
-        }
-
-        dataHiddenCount = data.filter(function(o) {
-          return !o.droplab_hidden;
-        }).length;
-
-        matches = data.map(function(o) {
-          return filterFunction(o, value);
-        });
-
-        hiddenCount = matches.filter(function(o) {
-          return !o.droplab_hidden;
-        }).length;
-
-        if (dataHiddenCount !== hiddenCount) {
-          list.render(matches);
-          list.currentIndex = 0;
-        }
-    },
-
-    init: function init(hookInput) {
-      var config = hookInput.config.droplabFilter;
-
-      if (!config || (!config.template && !config.filterFunction)) {
-        return;
-      }
-
-      this.hookInput = hookInput;
-      this.hookInput.trigger.addEventListener('keyup.dl', this.keydownWrapper);
-      this.hookInput.trigger.addEventListener('mousedown.dl', this.keydownWrapper);
-    },
-
-    destroy: function destroy(){
-      this.hookInput.trigger.removeEventListener('keyup.dl', this.keydownWrapper);
-      this.hookInput.trigger.removeEventListener('mousedown.dl', this.keydownWrapper);
-    }
-  };
-});
-},{"../window":2}],2:[function(require,module,exports){
-module.exports = function(callback) {
-  return (function() {
-    callback(this);
-  }).call(null);
-};
-
-},{}]},{},[1])(1)
-});

app/assets/javascripts/droplab/hook.js

+/* eslint-disable */
+
+import DropDown from './drop_down';
+
+var Hook = function(trigger, list, plugins, config){
+  this.trigger = trigger;
+  this.list = new DropDown(list);
+  this.type = 'Hook';
+  this.event = 'click';
+  this.plugins = plugins || [];
+  this.config = config || {};
+  this.id = trigger.id;
+};
+
+Object.assign(Hook.prototype, {
+
+  addEvents: function(){},
+
+  constructor: Hook,
+});
+
+export default Hook;

app/assets/javascripts/droplab/hook_button.js

+/* eslint-disable */
+
+import Hook from './hook';
+
+var HookButton = function(trigger, list, plugins, config) {
+  Hook.call(this, trigger, list, plugins, config);
+
+  this.type = 'button';
+  this.event = 'click';
+
+  this.eventWrapper = {};
+
+  this.addEvents();
+  this.addPlugins();
+};
+
+HookButton.prototype = Object.create(Hook.prototype);
+
+Object.assign(HookButton.prototype, {
+  addPlugins: function() {
+    this.plugins.forEach(plugin => plugin.init(this));
+  },
+
+  clicked: function(e){
+    var buttonEvent = new CustomEvent('click.dl', {
+      detail: {
+        hook: this,
+      },
+      bubbles: true,
+      cancelable: true
+    });
+    e.target.dispatchEvent(buttonEvent);
+
+    this.list.toggle();
+  },
+
+  addEvents: function(){
+    this.eventWrapper.clicked = this.clicked.bind(this);
+    this.trigger.addEventListener('click', this.eventWrapper.clicked);
+  },
+
+  removeEvents: function(){
+    this.trigger.removeEventListener('click', this.eventWrapper.clicked);
+  },
+
+  restoreInitialState: function() {
+    this.list.list.innerHTML = this.list.initialState;
+  },
+
+  removePlugins: function() {
+    this.plugins.forEach(plugin => plugin.destroy());
+  },
+
+  destroy: function() {
+    this.restoreInitialState();
+
+    this.removeEvents();
+    this.removePlugins();
+  },
+
+  constructor: HookButton,
+});
+
+
+export default HookButton;

app/assets/javascripts/droplab/hook_input.js

+/* eslint-disable */
+
+import Hook from './hook';
+
+var HookInput = function(trigger, list, plugins, config) {
+  Hook.call(this, trigger, list, plugins, config);
+
+  this.type = 'input';
+  this.event = 'input';
+
+  this.eventWrapper = {};
+
+  this.addEvents();
+  this.addPlugins();
+};
+
+Object.assign(HookInput.prototype, {
+  addPlugins: function() {
+    this.plugins.forEach(plugin => plugin.init(this));
+  },
+
+  addEvents: function(){
+    this.eventWrapper.mousedown = this.mousedown.bind(this);
+    this.eventWrapper.input = this.input.bind(this);
+    this.eventWrapper.keyup = this.keyup.bind(this);
+    this.eventWrapper.keydown = this.keydown.bind(this);
+
+    this.trigger.addEventListener('mousedown', this.eventWrapper.mousedown);
+    this.trigger.addEventListener('input', this.eventWrapper.input);
+    this.trigger.addEventListener('keyup', this.eventWrapper.keyup);
+    this.trigger.addEventListener('keydown', this.eventWrapper.keydown);
+  },
+
+  removeEvents: function() {
+    this.hasRemovedEvents = true;
+
+    this.trigger.removeEventListener('mousedown', this.eventWrapper.mousedown);
+    this.trigger.removeEventListener('input', this.eventWrapper.input);
+    this.trigger.removeEventListener('keyup', this.eventWrapper.keyup);
+    this.trigger.removeEventListener('keydown', this.eventWrapper.keydown);
+  },
+
+  input: function(e) {
+    if(this.hasRemovedEvents) return;
+
+    this.list.show();
+
+    const inputEvent = new CustomEvent('input.dl', {
+      detail: {
+        hook: this,
+        text: e.target.value,
+      },
+      bubbles: true,
+      cancelable: true
+    });
+    e.target.dispatchEvent(inputEvent);
+  },
+
+  mousedown: function(e) {
+    if (this.hasRemovedEvents) return;
+
+    const mouseEvent = new CustomEvent('mousedown.dl', {
+      detail: {
+        hook: this,
+        text: e.target.value,
+      },
+      bubbles: true,
+      cancelable: true,
+    });
+    e.target.dispatchEvent(mouseEvent);
+  },
+
+  keyup: function(e) {
+    if (this.hasRemovedEvents) return;
+
+    this.keyEvent(e, 'keyup.dl');
+  },
+
+  keydown: function(e) {
+    if (this.hasRemovedEvents) return;
+
+    this.keyEvent(e, 'keydown.dl');
+  },
+
+  keyEvent: function(e, eventName) {
+    this.list.show();
+
+    const keyEvent = new CustomEvent(eventName, {
+      detail: {
+        hook: this,
+        text: e.target.value,
+        which: e.which,
+        key: e.key,
+      },
+      bubbles: true,
+      cancelable: true,
+    });
+    e.target.dispatchEvent(keyEvent);
+  },
+
+  restoreInitialState: function() {
+    this.list.list.innerHTML = this.list.initialState;
+  },
+
+  removePlugins: function() {
+    this.plugins.forEach(plugin => plugin.destroy());
+  },
+
+  destroy: function() {
+    this.restoreInitialState();
+
+    this.removeEvents();
+    this.removePlugins();
+
+    this.list.destroy();
+  }
+});
+
+export default HookInput;

app/assets/javascripts/droplab/keyboard.js

+/* eslint-disable */
+
+import { ACTIVE_CLASS } from './constants';
+
+const Keyboard = function () {
+  var currentKey;
+  var currentFocus;
+  var isUpArrow = false;
+  var isDownArrow = false;
+  var removeHighlight = function removeHighlight(list) {
+    var itemElements = Array.prototype.slice.call(list.list.querySelectorAll('li:not(.divider)'), 0);
+    var listItems = [];
+    for(var i = 0; i < itemElements.length; i++) {
+      var listItem = itemElements[i];
+      listItem.classList.remove(ACTIVE_CLASS);
+
+      if (listItem.style.display !== 'none') {
+        listItems.push(listItem);
+      }
+    }
+    return listItems;
+  };
+
+  var setMenuForArrows = function setMenuForArrows(list) {
+    var listItems = removeHighlight(list);
+    if(list.currentIndex>0){
+      if(!listItems[list.currentIndex-1]){
+        list.currentIndex = list.currentIndex-1;
+      }
+
+      if (listItems[list.currentIndex-1]) {
+        var el = listItems[list.currentIndex-1];
+        var filterDropdownEl = el.closest('.filter-dropdown');
+        el.classList.add(ACTIVE_CLASS);
+
+        if (filterDropdownEl) {
+          var filterDropdownBottom = filterDropdownEl.offsetHeight;
+          var elOffsetTop = el.offsetTop - 30;
+
+          if (elOffsetTop > filterDropdownBottom) {
+            filterDropdownEl.scrollTop = elOffsetTop - filterDropdownBottom;
+          }
+        }
+      }
+    }
+  };
+
+  var mousedown = function mousedown(e) {
+    var list = e.detail.hook.list;
+    removeHighlight(list);
+    list.show();
+    list.currentIndex = 0;
+    isUpArrow = false;
+    isDownArrow = false;
+  };
+  var selectItem = function selectItem(list) {
+    var listItems = removeHighlight(list);
+    var currentItem = listItems[list.currentIndex-1];
+    var listEvent = new CustomEvent('click.dl', {
+      detail: {
+        list: list,
+        selected: currentItem,
+        data: currentItem.dataset,
+      },
+    });
+    list.list.dispatchEvent(listEvent);
+    list.hide();
+  }
+
+  var keydown = function keydown(e){
+    var typedOn = e.target;
+    var list = e.detail.hook.list;
+    var currentIndex = list.currentIndex;
+    isUpArrow = false;
+    isDownArrow = false;
+
+    if(e.detail.which){
+      currentKey = e.detail.which;
+      if(currentKey === 13){
+        selectItem(e.detail.hook.list);
+        return;
+      }
+      if(currentKey === 38) {
+        isUpArrow = true;
+      }
+      if(currentKey === 40) {
+        isDownArrow = true;
+      }
+    } else if(e.detail.key) {
+      currentKey = e.detail.key;
+      if(currentKey === 'Enter'){
+        selectItem(e.detail.hook.list);
+        return;
+      }
+      if(currentKey === 'ArrowUp') {
+        isUpArrow = true;
+      }
+      if(currentKey === 'ArrowDown') {
+        isDownArrow = true;
+      }
+    }
+    if(isUpArrow){ currentIndex--; }
+    if(isDownArrow){ currentIndex++; }
+    if(currentIndex < 0){ currentIndex = 0; }
+    list.currentIndex = currentIndex;
+    setMenuForArrows(e.detail.hook.list);
+  };
+
+  document.addEventListener('mousedown.dl', mousedown);
+  document.addEventListener('keydown.dl', keydown);
+};
+
+export default Keyboard;

app/assets/javascripts/droplab/plugins/ajax.js

+/* eslint-disable */
+
+const Ajax = {
+  _loadUrlData: function _loadUrlData(url) {
+    var self = this;
+    return new Promise(function(resolve, reject) {
+      var xhr = new XMLHttpRequest;
+      xhr.open('GET', url, true);
+      xhr.onreadystatechange = function () {
+        if(xhr.readyState === XMLHttpRequest.DONE) {
+          if (xhr.status === 200) {
+            var data = JSON.parse(xhr.responseText);
+            self.cache[url] = data;
+            return resolve(data);
+          } else {
+            return reject([xhr.responseText, xhr.status]);
+          }
+        }
+      };
+      xhr.send();
+    });
+  },
+  _loadData: function _loadData(data, config, self) {
+    if (config.loadingTemplate) {
+      var dataLoadingTemplate = self.hook.list.list.querySelector('[data-loading-template]');
+      if (dataLoadingTemplate) dataLoadingTemplate.outerHTML = self.listTemplate;
+    }
+
+    if (!self.destroyed) self.hook.list[config.method].call(self.hook.list, data);
+  },
+  init: function init(hook) {
+    var self = this;
+    self.destroyed = false;
+    self.cache = self.cache || {};
+    var config = hook.config.Ajax;
+    this.hook = hook;
+    if (!config || !config.endpoint || !config.method) {
+      return;
+    }
+    if (config.method !== 'setData' && config.method !== 'addData') {
+      return;
+    }
+    if (config.loadingTemplate) {
+      var dynamicList = hook.list.list.querySelector('[data-dynamic]');
+      var loadingTemplate = document.createElement('div');
+      loadingTemplate.innerHTML = config.loadingTemplate;
+      loadingTemplate.setAttribute('data-loading-template', '');
+      this.listTemplate = dynamicList.outerHTML;
+      dynamicList.outerHTML = loadingTemplate.outerHTML;
+    }
+    if (self.cache[config.endpoint]) {
+      self._loadData(self.cache[config.endpoint], config, self);
+    } else {
+      this._loadUrlData(config.endpoint)
+        .then(function(d) {
+          self._loadData(d, config, self);
+        }, config.onError).catch(config.onError);
+    }
+  },
+  destroy: function() {
+    this.destroyed = true;
+  }
+};
+
+export default Ajax;

app/assets/javascripts/droplab/plugins/ajax_filter.js

+/* eslint-disable */
+
+const AjaxFilter = {
+  init: function(hook) {
+    this.destroyed = false;
+    this.hook = hook;
+    this.notLoading();
+
+    this.eventWrapper = {};
+    this.eventWrapper.debounceTrigger = this.debounceTrigger.bind(this);
+    this.hook.trigger.addEventListener('keydown.dl', this.eventWrapper.debounceTrigger);
+    this.hook.trigger.addEventListener('focus', this.eventWrapper.debounceTrigger);
+
+    this.trigger(true);
+  },
+
+  notLoading: function notLoading() {
+    this.loading = false;
+  },
+
+  debounceTrigger: function debounceTrigger(e) {
+    var NON_CHARACTER_KEYS = [16, 17, 18, 20, 37, 38, 39, 40, 91, 93];
+    var invalidKeyPressed = NON_CHARACTER_KEYS.indexOf(e.detail.which || e.detail.keyCode) > -1;
+    var focusEvent = e.type === 'focus';
+    if (invalidKeyPressed || this.loading) {
+      return;
+    }
+    if (this.timeout) {
+      clearTimeout(this.timeout);
+    }
+    this.timeout = setTimeout(this.trigger.bind(this, focusEvent), 200);
+  },
+
+  trigger: function trigger(getEntireList) {
+    var config = this.hook.config.AjaxFilter;
+    var searchValue = this.trigger.value;
+    if (!config || !config.endpoint || !config.searchKey) {
+      return;
+    }
+    if (config.searchValueFunction) {
+      searchValue = config.searchValueFunction();
+    }
+    if (config.loadingTemplate && this.hook.list.data === undefined ||
+      this.hook.list.data.length === 0) {
+      var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
+      var loadingTemplate = document.createElement('div');
+      loadingTemplate.innerHTML = config.loadingTemplate;
+      loadingTemplate.setAttribute('data-loading-template', true);
+      this.listTemplate = dynamicList.outerHTML;
+      dynamicList.outerHTML = loadingTemplate.outerHTML;
+    }
+    if (getEntireList) {
+      searchValue = '';
+    }
+    if (config.searchKey === searchValue) {
+      return this.list.show();
+    }
+    this.loading = true;
+    var params = config.params || {};
+    params[config.searchKey] = searchValue;
+    var self = this;
+    self.cache = self.cache || {};
+    var url = config.endpoint + this.buildParams(params);
+    var urlCachedData = self.cache[url];
+    if (urlCachedData) {
+      self._loadData(urlCachedData, config, self);
+    } else {
+      this._loadUrlData(url)
+        .then(function(data) {
+          self._loadData(data, config, self);
+        }, config.onError).catch(config.onError);
+    }
+  },
+
+  _loadUrlData: function _loadUrlData(url) {
+    var self = this;
+    return new Promise(function(resolve, reject) {
+      var xhr = new XMLHttpRequest;
+      xhr.open('GET', url, true);
+      xhr.onreadystatechange = function () {
+        if(xhr.readyState === XMLHttpRequest.DONE) {
+          if (xhr.status === 200) {
+            var data = JSON.parse(xhr.responseText);
+            self.cache[url] = data;
+            return resolve(data);
+          } else {
+            return reject([xhr.responseText, xhr.status]);
+          }
+        }
+      };
+      xhr.send();
+    });
+  },
+
+  _loadData: function _loadData(data, config, self) {
+    const list = self.hook.list;
+    if (config.loadingTemplate && list.data === undefined ||
+      list.data.length === 0) {
+      const dataLoadingTemplate = list.list.querySelector('[data-loading-template]');
+      if (dataLoadingTemplate) {
+        dataLoadingTemplate.outerHTML = self.listTemplate;
+      }
+    }
+    if (!self.destroyed) {
+      var hookListChildren = list.list.children;
+      var onlyDynamicList = hookListChildren.length === 1 && hookListChildren[0].hasAttribute('data-dynamic');
+      if (onlyDynamicList && data.length === 0) {
+        list.hide();
+      }
+      list.setData.call(list, data);
+    }
+    self.notLoading();
+    list.currentIndex = 0;
+  },
+
+  buildParams: function(params) {
+    if (!params) return '';
+    var paramsArray = Object.keys(params).map(function(param) {
+      return param + '=' + (params[param] || '');
+    });
+    return '?' + paramsArray.join('&');
+  },
+
+  destroy: function destroy() {
+    if (this.timeout)clearTimeout(this.timeout);
+    this.destroyed = true;
+
+    this.hook.trigger.removeEventListener('keydown.dl', this.eventWrapper.debounceTrigger);
+    this.hook.trigger.removeEventListener('focus', this.eventWrapper.debounceTrigger);
+  }
+};
+
+export default AjaxFilter;

app/assets/javascripts/droplab/plugins/filter.js

+/* eslint-disable */
+
+const Filter = {
+  keydown: function(e){
+    if (this.destroyed) return;
+
+    var hiddenCount = 0;
+    var dataHiddenCount = 0;
+
+    var list = e.detail.hook.list;
+    var data = list.data;
+    var value = e.detail.hook.trigger.value.toLowerCase();
+    var config = e.detail.hook.config.Filter;
+    var matches = [];
+    var filterFunction;
+    // will only work on dynamically set data
+    if(!data){
+      return;
+    }
+
+    if (config && config.filterFunction && typeof config.filterFunction === 'function') {
+      filterFunction = config.filterFunction;
+    } else {
+      filterFunction = function(o){
+        // cheap string search
+        o.droplab_hidden = o[config.template].toLowerCase().indexOf(value) === -1;
+        return o;
+      };
+    }
+
+    dataHiddenCount = data.filter(function(o) {
+      return !o.droplab_hidden;
+    }).length;
+
+    matches = data.map(function(o) {
+      return filterFunction(o, value);
+    });
+
+    hiddenCount = matches.filter(function(o) {
+      return !o.droplab_hidden;
+    }).length;
+
+    if (dataHiddenCount !== hiddenCount) {
+      list.setData(matches);
+      list.currentIndex = 0;
+    }
+  },
+
+  debounceKeydown: function debounceKeydown(e) {
+    if ([
+      13, // enter
+      16, // shift
+      17, // ctrl
+      18, // alt
+      20, // caps lock
+      37, // left arrow
+      38, // up arrow
+      39, // right arrow
+      40, // down arrow
+      91, // left window
+      92, // right window
+      93, // select
+    ].indexOf(e.detail.which || e.detail.keyCode) > -1) return;
+
+    if (this.timeout) clearTimeout(this.timeout);
+    this.timeout = setTimeout(this.keydown.bind(this, e), 200);
+  },
+
+  init: function init(hook) {
+    var config = hook.config.Filter;
+
+    if (!config || !config.template) return;
+
+    this.hook = hook;
+    this.destroyed = false;
+
+    this.eventWrapper = {};
+    this.eventWrapper.debounceKeydown = this.debounceKeydown.bind(this);
+
+    this.hook.trigger.addEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
+    this.hook.trigger.addEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
+
+    this.debounceKeydown({ detail: { hook: this.hook } });
+  },
+
+  destroy: function destroy() {
+    if (this.timeout) clearTimeout(this.timeout);
+    this.destroyed = true;
+
+    this.hook.trigger.removeEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
+    this.hook.trigger.removeEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
+  }
+};
+
+export default Filter;

app/assets/javascripts/droplab/plugins/input_setter.js

+/* eslint-disable */
+
+const InputSetter = {
+  init(hook) {
+    this.hook = hook;
+    this.destroyed = false;
+    this.config = hook.config.InputSetter || (this.hook.config.InputSetter = {});
+
+    this.eventWrapper = {};
+
+    this.addEvents();
+  },
+
+  addEvents() {
+    this.eventWrapper.setInputs = this.setInputs.bind(this);
+    this.hook.list.list.addEventListener('click.dl', this.eventWrapper.setInputs);
+  },
+
+  removeEvents() {
+    this.hook.list.list.removeEventListener('click.dl', this.eventWrapper.setInputs);
+  },
+
+  setInputs(e) {
+    if (this.destroyed) return;
+
+    const selectedItem = e.detail.selected;
+
+    if (!Array.isArray(this.config)) this.config = [this.config];
+
+    this.config.forEach(config => this.setInput(config, selectedItem));
+  },
+
+  setInput(config, selectedItem) {
+    const input = config.input || this.hook.trigger;
+    const newValue = selectedItem.getAttribute(config.valueAttribute);
+    const inputAttribute = config.inputAttribute;
+
+    if (!newValue) return;
+
+    if (input.hasAttribute(inputAttribute)) return input.setAttribute(inputAttribute, newValue);
+    if (input.tagName === 'INPUT') return input.value = newValue;
+    return input.textContent = newValue;
+  },
+
+  destroy() {
+    this.destroyed = true;
+
+    this.removeEvents();
+  },
+};
+
+export default InputSetter;

app/assets/javascripts/droplab/utils.js

+/* eslint-disable */
+
+import { DATA_TRIGGER, DATA_DROPDOWN } from './constants';
+
+const utils = {
+  toCamelCase(attr) {
+    return this.camelize(attr.split('-').slice(1).join(' '));
+  },
+
+  t(s, d) {
+    for (const p in d) {
+      if (Object.prototype.hasOwnProperty.call(d, p)) {
+        s = s.replace(new RegExp(`{{${p}}}`, 'g'), d[p]);
+      }
+    }
+    return s;
+  },
+
+  camelize(str) {
+    return str.replace(/(?:^\w|[A-Z]|\b\w)/g, (letter, index) => {
+      return index === 0 ? letter.toLowerCase() : letter.toUpperCase();
+    }).replace(/\s+/g, '');
+  },
+
+  closest(thisTag, stopTag) {
+    while (thisTag && thisTag.tagName !== stopTag && thisTag.tagName !== 'HTML') {
+      thisTag = thisTag.parentNode;
+    }
+    return thisTag;
+  },
+
+  isDropDownParts(target) {
+    if (!target || target.tagName === 'HTML') return false;
+    return target.hasAttribute(DATA_TRIGGER) || target.hasAttribute(DATA_DROPDOWN);
+  },
+};
+
+export default utils;

app/assets/javascripts/filtered_search/dropdown_hint.js

-require('./filtered_search_dropdown');
+import Filter from '~/droplab/plugins/filter';
 
-/* global droplabFilter */
+require('./filtered_search_dropdown');
 
 (() => {
   class DropdownHint extends gl.FilteredSearchDropdown {
     constructor(droplab, dropdown, input, filter) {
       super(droplab, dropdown, input, filter);
       this.config = {
-        droplabFilter: {
+        Filter: {
           template: 'hint',
           filterFunction: gl.DropdownUtils.filterHint.bind(null, input),
         },
@@ -69,12 +69,12 @@ require('./filtered_search_dropdown');
         }
       });
 
-      this.droplab.changeHookList(this.hookId, this.dropdown, [droplabFilter], this.config);
+      this.droplab.changeHookList(this.hookId, this.dropdown, [Filter], this.config);
       this.droplab.setData(this.hookId, dropdownData);
     }
 
     init() {
-      this.droplab.addHook(this.input, this.dropdown, [droplabFilter], this.config).init();
+      this.droplab.addHook(this.input, this.dropdown, [Filter], this.config).init();
     }
   }
 

app/assets/javascripts/filtered_search/dropdown_non_user.js

-require('./filtered_search_dropdown');
+/* global Flash */
+
+import Ajax from '~/droplab/plugins/ajax';
+import Filter from '~/droplab/plugins/filter';
 
-/* global droplabAjax */
-/* global droplabFilter */
+require('./filtered_search_dropdown');
 
 (() => {
   class DropdownNonUser extends gl.FilteredSearchDropdown {
@@ -9,13 +11,19 @@ require('./filtered_search_dropdown');
       super(droplab, dropdown, input, filter);
       this.symbol = symbol;
       this.config = {
-        droplabAjax: {
+        Ajax: {
           endpoint,
           method: 'setData',
           loadingTemplate: this.loadingTemplate,
+          onError() {
+            /* eslint-disable no-new */
+            new Flash('An error occured fetching the dropdown data.');
+            /* eslint-enable no-new */
+          },
         },
-        droplabFilter: {
+        Filter: {
           filterFunction: gl.DropdownUtils.filterWithSymbol.bind(null, this.symbol, input),
+          template: 'title',
         },
       };
     }
@@ -29,13 +37,13 @@ require('./filtered_search_dropdown');
 
     renderContent(forceShowList = false) {
       this.droplab
-        .changeHookList(this.hookId, this.dropdown, [droplabAjax, droplabFilter], this.config);
+        .changeHookList(this.hookId, this.dropdown, [Ajax, Filter], this.config);
       super.renderContent(forceShowList);
     }
 
     init() {
       this.droplab
-        .addHook(this.input, this.dropdown, [droplabAjax, droplabFilter], this.config).init();
+        .addHook(this.input, this.dropdown, [Ajax, Filter], this.config).init();
     }
   }
 

app/assets/javascripts/filtered_search/dropdown_user.js

-require('./filtered_search_dropdown');
+/* global Flash */
+
+import AjaxFilter from '~/droplab/plugins/ajax_filter';
 
-/* global droplabAjaxFilter */
+require('./filtered_search_dropdown');
 
 (() => {
   class DropdownUser extends gl.FilteredSearchDropdown {
     constructor(droplab, dropdown, input, filter) {
       super(droplab, dropdown, input, filter);
       this.config = {
-        droplabAjaxFilter: {
+        AjaxFilter: {
           endpoint: `${gon.relative_url_root || ''}/autocomplete/users.json`,
           searchKey: 'search',
           params: {
@@ -18,6 +20,11 @@ require('./filtered_search_dropdown');
           },
           searchValueFunction: this.getSearchInput.bind(this),
           loadingTemplate: this.loadingTemplate,
+          onError() {
+            /* eslint-disable no-new */
+            new Flash('An error occured fetching the dropdown data.');
+            /* eslint-enable no-new */
+          },
         },
       };
     }
@@ -28,7 +35,7 @@ require('./filtered_search_dropdown');
     }
 
     renderContent(forceShowList = false) {
-      this.droplab.changeHookList(this.hookId, this.dropdown, [droplabAjaxFilter], this.config);
+      this.droplab.changeHookList(this.hookId, this.dropdown, [AjaxFilter], this.config);
       super.renderContent(forceShowList);
     }
 
@@ -56,7 +63,7 @@ require('./filtered_search_dropdown');
     }
 
     init() {
-      this.droplab.addHook(this.input, this.dropdown, [droplabAjaxFilter], this.config).init();
+      this.droplab.addHook(this.input, this.dropdown, [AjaxFilter], this.config).init();
     }
   }
 

app/assets/javascripts/filtered_search/filtered_search_dropdown.js

@@ -4,7 +4,7 @@
   class FilteredSearchDropdown {
     constructor(droplab, dropdown, input, filter) {
       this.droplab = droplab;
-      this.hookId = input && input.getAttribute('data-id');
+      this.hookId = input && input.id;
       this.input = input;
       this.filter = filter;
       this.dropdown = dropdown;

app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js

-/* global DropLab */
+import DropLab from '~/droplab/drop_lab';
 import FilteredSearchContainer from './container';
 
 (() => {

app/assets/javascripts/filtered_search/filtered_search_manager.js

@@ -154,7 +154,7 @@ import eventHub from './event_hub';
       if (e.keyCode === 13) {
         const dropdown = this.dropdownManager.mapping[this.dropdownManager.currentDropdown];
         const dropdownEl = dropdown.element;
-        const activeElements = dropdownEl.querySelectorAll('.dropdown-active');
+        const activeElements = dropdownEl.querySelectorAll('.droplab-item-active');
 
         e.preventDefault();
 

app/assets/javascripts/main.js

@@ -75,12 +75,6 @@ import './u2f/error';
 import './u2f/register';
 import './u2f/util';
 
-// droplab
-import './droplab/droplab';
-import './droplab/droplab_ajax';
-import './droplab/droplab_ajax_filter';
-import './droplab/droplab_filter';
-
 // everything else
 import './abuse_reports';
 import './activities';

app/assets/stylesheets/framework/filters.scss

@@ -446,10 +446,8 @@
   }
 }
 
-.filter-dropdown-item.dropdown-active {
-  .btn {
+.filter-dropdown-item.droplab-item-active .btn {
   @extend %filter-dropdown-item-btn-hover;
-  }
 }
 
 .filter-dropdown-loading {

app/views/shared/issuable/_search_bar.html.haml

@@ -23,7 +23,7 @@
             .scroll-container
               %ul.tokens-container.list-unstyled
                 %li.input-token
-                  %input.form-control.filtered-search{ placeholder: 'Search or filter results...', data: { id: "filtered-search-#{type.to_s}", 'project-id' => @project.id, 'username-params' => @users.to_json(only: [:id, :username]), 'base-endpoint' => namespace_project_path(@project.namespace, @project) } }
+                  %input.form-control.filtered-search{ id: "filtered-search-#{type.to_s}", placeholder: 'Search or filter results...', data: { 'project-id' => @project.id, 'username-params' => @users.to_json(only: [:id, :username]), 'base-endpoint' => namespace_project_path(@project.namespace, @project) } }
               = icon('filter')
               %button.clear-search.hidden{ type: 'button' }
                 = icon('times')

spec/features/issues/filtered_search/dropdown_hint_spec.rb

 require 'rails_helper'
 
-describe 'Dropdown hint', js: true, feature: true do
+describe 'Dropdown hint', :js, :feature do
   include FilteredSearchHelpers
   include WaitForAjax
 
@@ -9,10 +9,6 @@ describe 'Dropdown hint', js: true, feature: true do
   let(:filtered_search) { find('.filtered-search') }
   let(:js_dropdown_hint) { '#js-dropdown-hint' }
 
-  def dropdown_hint_size
-    page.all('#js-dropdown-hint .filter-dropdown .filter-dropdown-item').size
-  end
-
   def click_hint(text)
     find('#js-dropdown-hint .filter-dropdown .filter-dropdown-item', text: text).click
   end
@@ -46,14 +42,16 @@ describe 'Dropdown hint', js: true, feature: true do
     it 'does not filter `Press Enter or click to search`' do
       filtered_search.set('randomtext')
 
-      expect(page).to have_css(js_dropdown_hint, text: 'Press Enter or click to search', visible: false)
-      expect(dropdown_hint_size).to eq(0)
+      hint_dropdown = find(js_dropdown_hint)
+
+      expect(hint_dropdown).to have_content('Press Enter or click to search')
+      expect(hint_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 0)
     end
 
     it 'filters with text' do
       filtered_search.set('a')
 
-      expect(dropdown_hint_size).to eq(3)
+      expect(find(js_dropdown_hint)).to have_selector('.filter-dropdown .filter-dropdown-item', count: 3)
     end
   end
 

spec/features/issues/filtered_search/dropdown_label_spec.rb

@@ -28,10 +28,6 @@ describe 'Dropdown label', js: true, feature: true do
     filter_dropdown.find('.filter-dropdown-item', text: text).click
   end
 
-  def dropdown_label_size
-    filter_dropdown.all('.filter-dropdown-item').size
-  end
-
   def clear_search_field
     find('.filtered-search-box .clear-search').click
   end
@@ -81,7 +77,7 @@ describe 'Dropdown label', js: true, feature: true do
       filtered_search.set('label:')
 
       expect(filter_dropdown).to have_content(bug_label.title)
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
   end
 
@@ -97,7 +93,8 @@ describe 'Dropdown label', js: true, feature: true do
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: bug_label.title)).to be_visible
       expect(filter_dropdown.find('.filter-dropdown-item', text: uppercase_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(2)
+
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 2)
 
       clear_search_field
       init_label_search
@@ -106,14 +103,14 @@ describe 'Dropdown label', js: true, feature: true do
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: bug_label.title)).to be_visible
       expect(filter_dropdown.find('.filter-dropdown-item', text: uppercase_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(2)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 2)
     end
 
     it 'filters by multiple words with or without symbol' do
       filtered_search.send_keys('Hig')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: two_words_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
 
       clear_search_field
       init_label_search
@@ -121,14 +118,14 @@ describe 'Dropdown label', js: true, feature: true do
       filtered_search.send_keys('~Hig')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: two_words_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
 
     it 'filters by multiple words containing single quotes with or without symbol' do
       filtered_search.send_keys('won\'t')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: wont_fix_single_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
 
       clear_search_field
       init_label_search
@@ -136,14 +133,14 @@ describe 'Dropdown label', js: true, feature: true do
       filtered_search.send_keys('~won\'t')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: wont_fix_single_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
 
     it 'filters by multiple words containing double quotes with or without symbol' do
       filtered_search.send_keys('won"t')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: wont_fix_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
 
       clear_search_field
       init_label_search
@@ -151,14 +148,14 @@ describe 'Dropdown label', js: true, feature: true do
       filtered_search.send_keys('~won"t')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: wont_fix_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
 
     it 'filters by special characters with or without symbol' do
       filtered_search.send_keys('^+')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: special_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
 
       clear_search_field
       init_label_search
@@ -166,7 +163,7 @@ describe 'Dropdown label', js: true, feature: true do
       filtered_search.send_keys('~^+')
 
       expect(filter_dropdown.find('.filter-dropdown-item', text: special_label.title)).to be_visible
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
   end
 
@@ -280,13 +277,13 @@ describe 'Dropdown label', js: true, feature: true do
       create(:label, project: project, title: 'bug-label')
       init_label_search
 
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
 
       create(:label, project: project)
       clear_search_field
       init_label_search
 
-      expect(dropdown_label_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown-item', count: 1)
     end
   end
 end

spec/features/issues/filtered_search/dropdown_milestone_spec.rb

@@ -65,7 +65,7 @@ describe 'Dropdown milestone', :feature, :js do
     it 'should load all the milestones when opened' do
       filtered_search.set('milestone:')
 
-      expect(dropdown_milestone_size).to be > 0
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 6)
     end
   end
 
@@ -84,37 +84,37 @@ describe 'Dropdown milestone', :feature, :js do
     it 'filters by name' do
       filtered_search.send_keys('v1')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
 
     it 'filters by case insensitive name' do
       filtered_search.send_keys('V1')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
 
     it 'filters by name with symbol' do
       filtered_search.send_keys('%v1')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
 
     it 'filters by case insensitive name with symbol' do
       filtered_search.send_keys('%V1')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
 
     it 'filters by special characters' do
       filtered_search.send_keys('(+')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
 
     it 'filters by special characters with symbol' do
       filtered_search.send_keys('%(+')
 
-      expect(dropdown_milestone_size).to eq(1)
+      expect(filter_dropdown).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
     end
   end
 

spec/features/issues/filtered_search/search_bar_spec.rb

@@ -26,7 +26,7 @@ describe 'Search bar', js: true, feature: true do
       filtered_search.native.send_keys(:down)
 
       page.within '#js-dropdown-hint' do
-        expect(page).to have_selector('.dropdown-active')
+        expect(page).to have_selector('.droplab-item-active')
       end
     end
 
@@ -79,28 +79,30 @@ describe 'Search bar', js: true, feature: true do
 
       filtered_search.set('author')
 
-      expect(page.all('#js-dropdown-hint .filter-dropdown .filter-dropdown-item').size).to eq(1)
+      expect(find('#js-dropdown-hint')).to have_selector('.filter-dropdown .filter-dropdown-item', count: 1)
 
       find('.filtered-search-box .clear-search').click
       filtered_search.click
 
-      expect(page.all('#js-dropdown-hint .filter-dropdown .filter-dropdown-item').size).to eq(original_size)
+      expect(find('#js-dropdown-hint')).to have_selector('.filter-dropdown .filter-dropdown-item', count: original_size)
     end
 
     it 'resets the dropdown filters' do
+      filtered_search.click
+
+      hint_offset = get_left_style(find('#js-dropdown-hint')['style'])
+
       filtered_search.set('a')
-      hint_style = page.find('#js-dropdown-hint')['style']
-      hint_offset = get_left_style(hint_style)
 
       filtered_search.set('author:')
 
-      expect(page.all('#js-dropdown-hint .filter-dropdown .filter-dropdown-item').size).to eq(0)
+      find('#js-dropdown-hint', visible: false)
 
       find('.filtered-search-box .clear-search').click
       filtered_search.click
 
-      expect(page.all('#js-dropdown-hint .filter-dropdown .filter-dropdown-item').size).to be > 0
-      expect(get_left_style(page.find('#js-dropdown-hint')['style'])).to eq(hint_offset)
+      expect(find('#js-dropdown-hint')).to have_selector('.filter-dropdown .filter-dropdown-item', count: 4)
+      expect(get_left_style(find('#js-dropdown-hint')['style'])).to eq(hint_offset)
     end
   end
 end

spec/javascripts/droplab/constants_spec.js

+/* eslint-disable */
+
+import * as constants from '~/droplab/constants';
+
+describe('constants', function () {
+  describe('DATA_TRIGGER', function () {
+    it('should be `data-dropdown-trigger`', function() {
+      expect(constants.DATA_TRIGGER).toBe('data-dropdown-trigger');
+    });
+  });
+
+  describe('DATA_DROPDOWN', function () {
+    it('should be `data-dropdown`', function() {
+      expect(constants.DATA_DROPDOWN).toBe('data-dropdown');
+    });
+  });
+
+  describe('SELECTED_CLASS', function () {
+    it('should be `droplab-item-selected`', function() {
+      expect(constants.SELECTED_CLASS).toBe('droplab-item-selected');
+    });
+  });
+
+  describe('ACTIVE_CLASS', function () {
+    it('should be `droplab-item-active`', function() {
+      expect(constants.ACTIVE_CLASS).toBe('droplab-item-active');
+    });
+  });
+});

spec/javascripts/droplab/hook_spec.js

+/* eslint-disable */
+
+import Hook from '~/droplab/hook';
+import * as dropdownSrc from '~/droplab/drop_down';
+
+describe('Hook', function () {
+  describe('class constructor', function () {
+    beforeEach(function () {
+      this.trigger = { id: 'id' };
+      this.list = {};
+      this.plugins = {};
+      this.config = {};
+      this.dropdown = {};
+
+      spyOn(dropdownSrc, 'default').and.returnValue(this.dropdown);
+
+      this.hook = new Hook(this.trigger, this.list, this.plugins, this.config);
+    });
+
+    it('should set .trigger', function () {
+      expect(this.hook.trigger).toBe(this.trigger);
+    });
+
+    it('should set .list', function () {
+      expect(this.hook.list).toBe(this.dropdown);
+    });
+
+    it('should call DropDown constructor', function () {
+      expect(dropdownSrc.default).toHaveBeenCalledWith(this.list);
+    });
+
+    it('should set .type', function () {
+      expect(this.hook.type).toBe('Hook');
+    });
+
+    it('should set .event', function () {
+      expect(this.hook.event).toBe('click');
+    });
+
+    it('should set .plugins', function () {
+      expect(this.hook.plugins).toBe(this.plugins);
+    });
+
+    it('should set .config', function () {
+      expect(this.hook.config).toBe(this.config);
+    });
+
+    it('should set .id', function () {
+      expect(this.hook.id).toBe(this.trigger.id);
+    });
+
+    describe('if config argument is undefined', function () {
+      beforeEach(function () {
+        this.config = undefined;
+
+        this.hook = new Hook(this.trigger, this.list, this.plugins, this.config);
+      });
+
+      it('should set .config to an empty object', function () {
+        expect(this.hook.config).toEqual({});
+      });
+    });
+
+    describe('if plugins argument is undefined', function () {
+      beforeEach(function () {
+        this.plugins = undefined;
+
+        this.hook = new Hook(this.trigger, this.list, this.plugins, this.config);
+      });
+
+      it('should set .plugins to an empty array', function () {
+        expect(this.hook.plugins).toEqual([]);
+      });
+    });
+  });
+
+  describe('addEvents', function () {
+    it('should exist', function () {
+      expect(Hook.prototype.hasOwnProperty('addEvents')).toBe(true);
+    });
+  });
+});

spec/javascripts/droplab/plugins/input_setter_spec.js

+/* eslint-disable */
+
+import InputSetter from '~/droplab/plugins/input_setter';
+
+describe('InputSetter', function () {
+  describe('init', function () {
+    beforeEach(function () {
+      this.config = { InputSetter: {} };
+      this.hook = { config: this.config };
+      this.inputSetter = jasmine.createSpyObj('inputSetter', ['addEvents']);
+
+      InputSetter.init.call(this.inputSetter, this.hook);
+    });
+
+    it('should set .hook', function () {
+      expect(this.inputSetter.hook).toBe(this.hook);
+    });
+
+    it('should set .config', function () {
+      expect(this.inputSetter.config).toBe(this.config.InputSetter);
+    });
+
+    it('should set .eventWrapper', function () {
+      expect(this.inputSetter.eventWrapper).toEqual({});
+    });
+
+    it('should call .addEvents', function () {
+      expect(this.inputSetter.addEvents).toHaveBeenCalled();
+    });
+
+    describe('if config.InputSetter is not set', function () {
+      beforeEach(function () {
+        this.config = { InputSetter: undefined };
+        this.hook = { config: this.config };
+
+        InputSetter.init.call(this.inputSetter, this.hook);
+      });
+
+      it('should set .config to an empty object', function () {
+        expect(this.inputSetter.config).toEqual({});
+      });
+
+      it('should set hook.config to an empty object', function () {
+        expect(this.hook.config.InputSetter).toEqual({});
+      });
+    })
+  });
+
+  describe('addEvents', function () {
+    beforeEach(function () {
+      this.hook = { list: { list: jasmine.createSpyObj('list', ['addEventListener']) } };
+      this.inputSetter = { eventWrapper: {}, hook: this.hook, setInputs: () => {} };
+
+      InputSetter.addEvents.call(this.inputSetter);
+    });
+
+    it('should set .eventWrapper.setInputs', function () {
+      expect(this.inputSetter.eventWrapper.setInputs).toEqual(jasmine.any(Function));
+    });
+
+    it('should call .addEventListener', function () {
+      expect(this.hook.list.list.addEventListener)
+        .toHaveBeenCalledWith('click.dl', this.inputSetter.eventWrapper.setInputs);
+    });
+  });
+
+  describe('removeEvents', function () {
+    beforeEach(function () {
+      this.hook = { list: { list: jasmine.createSpyObj('list', ['removeEventListener']) } };
+      this.eventWrapper = jasmine.createSpyObj('eventWrapper', ['setInputs']);
+      this.inputSetter = { eventWrapper: this.eventWrapper, hook: this.hook };
+
+      InputSetter.removeEvents.call(this.inputSetter);
+    });
+
+    it('should call .removeEventListener', function () {
+      expect(this.hook.list.list.removeEventListener)
+        .toHaveBeenCalledWith('click.dl', this.eventWrapper.setInputs);
+    });
+  });
+
+  describe('setInputs', function () {
+    beforeEach(function () {
+      this.event = { detail: { selected: {} } };
+      this.config = [0, 1];
+      this.inputSetter = { config: this.config, setInput: () => {} };
+
+      spyOn(this.inputSetter, 'setInput');
+
+      InputSetter.setInputs.call(this.inputSetter, this.event);
+    });
+
+    it('should call .setInput for each config element', function () {
+      const allArgs = this.inputSetter.setInput.calls.allArgs();
+
+      expect(allArgs.length).toEqual(2);
+
+      allArgs.forEach((args, i) => {
+        expect(args[0]).toBe(this.config[i]);
+        expect(args[1]).toBe(this.event.detail.selected);
+      });
+    });
+
+    describe('if config isnt an array', function () {
+      beforeEach(function () {
+        this.inputSetter = { config: {}, setInput: () => {} };
+
+        InputSetter.setInputs.call(this.inputSetter, this.event);
+      });
+
+      it('should set .config to an array with .config as the first element', function () {
+        expect(this.inputSetter.config).toEqual([{}]);
+      });
+    });
+  });
+
+  describe('setInput', function () {
+    beforeEach(function () {
+      this.selectedItem = { getAttribute: () => {} };
+      this.input = { value: 'oldValue', tagName: 'INPUT', hasAttribute: () => {} };
+      this.config = { valueAttribute: {}, input: this.input };
+      this.inputSetter = { hook: { trigger: {} } };
+      this.newValue = 'newValue';
+
+      spyOn(this.selectedItem, 'getAttribute').and.returnValue(this.newValue);
+      spyOn(this.input, 'hasAttribute').and.returnValue(false);
+
+      InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+    });
+
+    it('should call .getAttribute', function () {
+      expect(this.selectedItem.getAttribute).toHaveBeenCalledWith(this.config.valueAttribute);
+    });
+
+    it('should call .hasAttribute', function () {
+      expect(this.input.hasAttribute).toHaveBeenCalledWith(undefined);
+    });
+
+    it('should set the value of the input', function () {
+      expect(this.input.value).toBe(this.newValue);
+    });
+
+    describe('if there is no newValue', function () {
+      beforeEach(function () {
+        this.newValue = '';
+        this.inputSetter = { hook: { trigger: {} } };
+        this.config = { valueAttribute: {}, input: this.input };
+        this.input = { value: 'oldValue', tagName: 'INPUT' };
+        this.selectedItem = { getAttribute: () => {} };
+
+        InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+      });
+
+      it('should not set the value of the input', function () {
+        expect(this.input.value).toBe('oldValue');
+      })
+    });
+
+    describe('if no config.input is provided', function () {
+      beforeEach(function () {
+        this.config = { valueAttribute: {} };
+        this.trigger = { value: 'oldValue', tagName: 'INPUT', hasAttribute: () => {} };
+        this.inputSetter = { hook: { trigger: this.trigger } };
+
+        InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+      });
+
+      it('should set the value of the hook.trigger', function () {
+        expect(this.trigger.value).toBe(this.newValue);
+      });
+    });
+
+    describe('if the input tag is not INPUT', function () {
+      beforeEach(function () {
+        this.input = { textContent: 'oldValue', tagName: 'SPAN', hasAttribute: () => {} };
+        this.config = { valueAttribute: {}, input: this.input };
+
+        InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+      });
+
+      it('should set the textContent of the input', function () {
+        expect(this.input.textContent).toBe(this.newValue);
+      });
+
+      describe('if there is no new value', function () {
+        beforeEach(function () {
+          this.selectedItem = { getAttribute: () => {} };
+          this.input = { textContent: 'oldValue', tagName: 'INPUT', hasAttribute: () => {} };
+          this.config = { valueAttribute: {}, input: this.input };
+          this.inputSetter = { hook: { trigger: {} } };
+          this.newValue = 'newValue';
+
+          spyOn(this.selectedItem, 'getAttribute').and.returnValue(this.newValue);
+
+          InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+        });
+
+        it('should not set the value of the input', function () {
+          expect(this.input.textContent).toBe('oldValue');
+        });
+      });
+    });
+
+    describe('if there is an inputAttribute', function () {
+      beforeEach(function () {
+        this.selectedItem = { getAttribute: () => {} };
+        this.input = { id: 'oldValue', hasAttribute: () => {}, setAttribute: () => {} };
+        this.inputSetter = { hook: { trigger: {} } };
+        this.newValue = 'newValue';
+        this.inputAttribute = 'id';
+        this.config = {
+          valueAttribute: {},
+          input: this.input,
+          inputAttribute: this.inputAttribute,
+        };
+
+        spyOn(this.selectedItem, 'getAttribute').and.returnValue(this.newValue);
+        spyOn(this.input, 'hasAttribute').and.returnValue(true);
+        spyOn(this.input, 'setAttribute');
+
+        InputSetter.setInput.call(this.inputSetter, this.config, this.selectedItem);
+      });
+
+      it('should call setAttribute', function () {
+        expect(this.input.setAttribute).toHaveBeenCalledWith(this.inputAttribute, this.newValue);
+      });
+
+      it('should not set the value or textContent of the input', function () {
+        expect(this.input.value).not.toBe('newValue');
+        expect(this.input.textContent).not.toBe('newValue');
+      });
+    });
+  });
+
+  describe('destroy', function () {
+    beforeEach(function () {
+      this.inputSetter = jasmine.createSpyObj('inputSetter', ['removeEvents']);
+
+      InputSetter.destroy.call(this.inputSetter);
+    });
+
+    it('should call .removeEvents', function () {
+      expect(this.inputSetter.removeEvents).toHaveBeenCalled();
+    });
+  });
+});

spec/javascripts/filtered_search/dropdown_user_spec.js

@@ -33,7 +33,7 @@ require('~/filtered_search/dropdown_user');
       });
     });
 
-    describe('config droplabAjaxFilter\'s endpoint', () => {
+    describe('config AjaxFilter\'s endpoint', () => {
       beforeEach(() => {
         spyOn(gl.DropdownUser.prototype, 'bindEvents').and.callFake(() => {});
         spyOn(gl.DropdownUser.prototype, 'getProjectId').and.callFake(() => {});
@@ -45,13 +45,13 @@ require('~/filtered_search/dropdown_user');
         };
         const dropdown = new gl.DropdownUser();
 
-        expect(dropdown.config.droplabAjaxFilter.endpoint).toBe('/autocomplete/users.json');
+        expect(dropdown.config.AjaxFilter.endpoint).toBe('/autocomplete/users.json');
       });
 
       it('should return endpoint when relative_url_root is undefined', () => {
         const dropdown = new gl.DropdownUser();
 
-        expect(dropdown.config.droplabAjaxFilter.endpoint).toBe('/autocomplete/users.json');
+        expect(dropdown.config.AjaxFilter.endpoint).toBe('/autocomplete/users.json');
       });
 
       it('should return endpoint with relative url when available', () => {
@@ -60,7 +60,7 @@ require('~/filtered_search/dropdown_user');
         };
         const dropdown = new gl.DropdownUser();
 
-        expect(dropdown.config.droplabAjaxFilter.endpoint).toBe('/gitlab_directory/autocomplete/users.json');
+        expect(dropdown.config.AjaxFilter.endpoint).toBe('/gitlab_directory/autocomplete/users.json');
       });
 
       afterEach(() => {