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\t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \tvar jsonpArray = window[\"webpackJsonp\"] = window[\"webpackJsonp\"] || [];\n \tvar oldJsonpFunction = jsonpArray.push.bind(jsonpArray);\n \tjsonpArray.push = webpackJsonpCallback;\n \tjsonpArray = jsonpArray.slice();\n \tfor(var i = 0; i < jsonpArray.length; i++) webpackJsonpCallback(jsonpArray[i]);\n \tvar parentJsonpFunction = oldJsonpFunction;\n\n\n \t// add entry module to deferred list\n \tdeferredModules.push([75,0]);\n \t// run deferred modules when ready\n \treturn checkDeferredModules();\n","const KEYCODE = {\n  TAB: 9,\n  RETURN: 13,\n  ESC: 27,\n  SPACE: 32,\n  PAGEUP: 33,\n  PAGEDOWN: 34,\n  END: 35,\n  HOME: 36,\n  LEFT: 37,\n  UP: 38,\n  RIGHT: 39,\n  DOWN: 40,\n};\n\nexport default KEYCODE;\n","import KEYCODE from '../constants/_KEYCODE.es6';\nimport { PopupMenu } from './_Menu.es6';\n\n/**\n * @abstract\n */\nclass MenuItem {\n  constructor(domNode, menuObj) {\n    this.menu = menuObj;\n    this.domNode = domNode;\n    this.popupMenu = false;\n    this.isMenubarItem = false;\n    this.hasFocus = false;\n    this.hasHover = false;\n  }\n\n  _isPrintableCharacter(str) {\n    return str.length === 1 && str.match(/\\S/);\n  }\n\n  init() {\n    const popupMenu = this.domNode.parentElement.querySelector('ul');\n    if (popupMenu) {\n      this.domNode.setAttribute('aria-haspopup', 'true');\n      this.popupMenu = new PopupMenu(popupMenu, this);\n      this.popupMenu.init();\n    }\n\n    this.domNode.addEventListener('keydown', this.handleKeydown.bind(this));\n    this.domNode.addEventListener('focus', this.handleFocus.bind(this));\n    this.domNode.addEventListener('blur', this.handleBlur.bind(this));\n    this.domNode.addEventListener('mouseover', this.handleMouseover.bind(this));\n    this.domNode.addEventListener('mouseout', this.handleMouseout.bind(this));\n  }\n\n  setExpanded(value) {\n    if (value) {\n      this.domNode.setAttribute('aria-expanded', 'true');\n    } else {\n      this.domNode.setAttribute('aria-expanded', 'false');\n    }\n  }\n\n  getBoundaries() {\n    return this.domNode.getBoundingClientRect();\n  }\n\n  getIsMenubarItem() {\n    return this.isMenubarItem;\n  }\n\n  getHover() {\n    return this.hasHover;\n  }\n\n  handleFocus() {\n    this.menu.setFocus(true);\n  }\n  handleBlur() {\n    this.menu.setFocus(false);\n  }\n\n  handleMouseover() {\n    this.hasHover = true;\n    if (this.popupMenu) {\n      this.popupMenu.setHover(true);\n      this.popupMenu.open();\n    }\n  }\n  handleMouseout() {\n    this.hasHover = false;\n    if (this.popupMenu) {\n      this.popupMenu.setHover(false);\n      setTimeout(this.popupMenu.close.bind(this.popupMenu, false), 300);\n    }\n  }\n}\n\nexport class MenubarItem extends MenuItem {\n  constructor(domNode, menuObj) {\n    super(domNode, menuObj);\n    this.isMenubarItem = true;\n  }\n\n  init() {\n    super.init();\n    this.domNode.tabIndex = -1;\n  }\n\n  setTabIndex(value) {\n    this.domNode.tabIndex = value;\n  }\n\n  focusOnSelf() {\n    this.domNode.focus();\n  }\n\n  focusOnPreviousSibling() {\n    this.menu.setFocusToPreviousItem(this);\n  }\n\n  focusOnNextSibling() {\n    this.menu.setFocusToNextItem(this);\n  }\n\n  handleKeydown(event) {\n    const { key } = event;\n    let flag = false;\n    switch (event.keyCode) {\n      case KEYCODE.SPACE:\n      case KEYCODE.RETURN:\n      case KEYCODE.DOWN:\n        if (this.popupMenu) {\n          this.popupMenu.open();\n          this.popupMenu.setFocusToFirstItem();\n          flag = true;\n        }\n        break;\n      case KEYCODE.LEFT:\n        this.menu.setFocusToPreviousItem(this);\n        flag = true;\n        break;\n      case KEYCODE.RIGHT:\n        this.menu.setFocusToNextItem(this);\n        flag = true;\n        break;\n      case KEYCODE.UP:\n        if (this.popupMenu) {\n          this.popupMenu.open();\n          this.popupMenu.setFocusToLastItem();\n          flag = true;\n        }\n        break;\n      case KEYCODE.HOME:\n      case KEYCODE.PAGEUP:\n        this.menu.setFocusToFirstItem();\n        flag = true;\n        break;\n      case KEYCODE.END:\n      case KEYCODE.PAGEDOWN:\n        this.menu.setFocusToLastItem();\n        flag = true;\n        break;\n      case KEYCODE.TAB:\n        if (this.popupMenu) {\n          this.popupMenu.close(true);\n        }\n        break;\n      case KEYCODE.ESC:\n        if (this.popupMenu) {\n          this.popupMenu.close(true);\n        }\n        break;\n      default:\n        if (this._isPrintableCharacter(key)) {\n          this.menu.setFocusByFirstCharacter(this, key);\n          flag = true;\n        }\n        break;\n    }\n    if (flag) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n  }\n}\n\nexport class SubMenuItem extends MenuItem {\n  init() {\n    super.init();\n    this.domNode.addEventListener('click', this.handleClick.bind(this));\n  }\n\n  handleKeydown(event) {\n    const { currentTarget, key } = event;\n    let flag = false;\n    let clickEvent;\n\n    switch (event.keyCode) {\n      case KEYCODE.SPACE:\n      case KEYCODE.RETURN:\n        if (this.popupMenu) {\n          this.popupMenu.open();\n          this.popupMenu.setFocusToFirstItem();\n        } else {\n          // Create simulated mouse event to mimic the behavior of ATs\n          // and let the event handler handleClick do the housekeeping.\n          try {\n            clickEvent = new MouseEvent('click', {\n              view: window,\n              bubbles: true,\n              cancelable: true,\n            });\n          } catch (err) {\n            if (document.createEvent) {\n              // DOM Level 3 for IE 9+\n              clickEvent = document.createEvent('MouseEvents');\n              clickEvent.initEvent('click', true, true);\n            }\n          }\n          currentTarget.dispatchEvent(clickEvent);\n        }\n\n        flag = true;\n        break;\n\n      case KEYCODE.UP:\n        this.menu.setFocusToPreviousItem(this);\n        flag = true;\n        break;\n\n      case KEYCODE.DOWN:\n        this.menu.setFocusToNextItem(this);\n        flag = true;\n        break;\n\n      case KEYCODE.LEFT:\n        this.menu.setFocusToController('previous', true);\n        this.menu.close(true);\n        flag = true;\n        break;\n\n      case KEYCODE.RIGHT:\n        if (this.popupMenu) {\n          this.popupMenu.open();\n          this.popupMenu.setFocusToFirstItem();\n        } else {\n          this.menu.setFocusToController('next', true);\n          this.menu.close(true);\n        }\n        flag = true;\n        break;\n\n      case KEYCODE.HOME:\n      case KEYCODE.PAGEUP:\n        this.menu.setFocusToFirstItem();\n        flag = true;\n        break;\n\n      case KEYCODE.END:\n      case KEYCODE.PAGEDOWN:\n        this.menu.setFocusToLastItem();\n        flag = true;\n        break;\n\n      case KEYCODE.ESC:\n        this.menu.setFocusToController();\n        this.menu.close(true);\n        flag = true;\n        break;\n\n      case KEYCODE.TAB:\n        this.menu.setFocusToController();\n        break;\n\n      default:\n        if (this._isPrintableCharacter(key)) {\n          this.menu.setFocusByFirstCharacter(this, key);\n          flag = true;\n        }\n        break;\n    }\n\n    if (flag) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n  }\n\n  handleClick() {\n    this.menu.setFocusToController();\n    this.menu.close(true);\n  }\n\n  handleBlur() {\n    super.handleBlur();\n    setTimeout(this.menu.close.bind(this.menu, false), 300);\n  }\n\n  handleMouseover() {\n    this.menu.setHover(true);\n    this.menu.open();\n    super.handleMouseover();\n  }\n\n  handleMouseout() {\n    super.handleMouseout();\n    this.menu.setHover(false);\n    setTimeout(this.menu.close.bind(this.menu, false), 300);\n  }\n}\n","import { MenubarItem, SubMenuItem } from './_MenuItem.es6';\n\nclass Menu {\n  constructor(domNode) {\n    this.domNode = domNode; // DOM node containing the menu.\n    this.menuItems = []; // Set of items in the menu.\n    this.firstChars = [];\n    this.firstItem = null; // First menu item.\n    this.lastItem = null; // Last menu item.\n    this.hasFocus = false;\n    this.hasHover = false;\n    this.isMenubar = false;\n  }\n\n  // Allow an empty function here because this is an abstract class.\n  // eslint-disable-next-line no-empty-function\n  _createMenuItem(menuElement) {}\n\n  init() {\n    // Set up any and all submenu items.\n    if (this.domNode.children.length > 0) {\n      const nodesArray = [].slice.call(this.domNode.children);\n      nodesArray.forEach(childElement => {\n        const menuElement = childElement.firstElementChild;\n        if (menuElement && menuElement.tagName === 'A') {\n          const menuItem = this._createMenuItem(menuElement);\n          menuItem.init();\n          this.menuItems.push(menuItem);\n          const textContent = menuElement.textContent.trim();\n          this.firstChars.push(textContent.substring(0, 1).toLowerCase());\n        }\n      });\n    }\n\n    // Store the first and last items in the menu.\n    const numItems = this.menuItems.length;\n    if (numItems > 0) {\n      this.firstItem = this.menuItems[0];\n      this.lastItem = this.menuItems[numItems - 1];\n    }\n  }\n\n  setFocus(state) {\n    this.hasFocus = state;\n  }\n\n  setHover(state) {\n    this.hasHover = state;\n  }\n\n  // Allow an empty function here because this is an abstract class.\n  // eslint-disable-next-line no-empty-function\n  setFocusToItem(newItem) {}\n\n  setFocusToFirstItem() {\n    this.setFocusToItem(this.firstItem);\n  }\n\n  setFocusToLastItem() {\n    this.setFocusToItem(this.lastItem);\n  }\n\n  setFocusToPreviousItem(currentItem) {\n    let newItem = false;\n    if (currentItem === this.firstItem) {\n      newItem = this.lastItem;\n    } else {\n      const index = this.menuItems.indexOf(currentItem);\n      newItem = this.menuItems[index - 1];\n    }\n    if (newItem) {\n      this.setFocusToItem(newItem);\n    }\n  }\n\n  setFocusToNextItem(currentItem) {\n    let newItem = false;\n    if (currentItem === this.lastItem) {\n      newItem = this.firstItem;\n    } else {\n      const index = this.menuItems.indexOf(currentItem);\n      newItem = this.menuItems[index + 1];\n    }\n    if (newItem) {\n      this.setFocusToItem(newItem);\n    }\n  }\n  setFocusByFirstCharacter(currentItem, char) {\n    const currChar = char.toLowerCase();\n    let start = this.menuItems.indexOf(currentItem) + 1;\n    if (start === this.menuItems.length) {\n      start = 0;\n    }\n    let index = this._getIndexFirstChars(start, currChar);\n    if (index === -1) {\n      index = this._getIndexFirstChars(0, currChar);\n    }\n    if (index > -1) {\n      this.setFocusToItem(this.menuItems[index]);\n    }\n  }\n\n  _getIndexFirstChars(startIndex, char) {\n    for (let i = startIndex; 1 < this.firstChars.length; i++) {\n      if (char === this.firstChars[i]) {\n        return i;\n      }\n    }\n    return -1;\n  }\n}\n\nexport class MenuBar extends Menu {\n  constructor(domNode) {\n    // Validate that the domNode is a menu that can be made into a MenuBar.\n    const msgPrefix = 'Menubar constructor argument menuBarNode';\n    if (!(domNode instanceof Element)) {\n      throw new TypeError(`${msgPrefix} is not a Dom Element`);\n    }\n    if (domNode.childElementCount === 0) {\n      throw new Error(`${msgPrefix} does not have element children`);\n    }\n    let elem = domNode.firstElementChild;\n    while (elem) {\n      const menuBarItem = elem.firstElementChild;\n      if (elem && menuBarItem && menuBarItem.tagName !== 'A') {\n        throw new Error(`${msgPrefix} has child elements are not A elements`);\n      }\n      elem = elem.nextElementSibling;\n    }\n    super(domNode);\n    this.isMenubar = true;\n  }\n\n  _createMenuItem(menuElement) {\n    return new MenubarItem(menuElement, this);\n  }\n\n  init() {\n    super.init();\n    this.domNode.setAttribute('role', 'menubar');\n    this.firstItem.setTabIndex(0);\n  }\n\n  // Set focus to a specific MenubarItem in the menu.\n  setFocusToItem(newItem) {\n    let openMenu = false;\n    // Close any existing menus.\n    this.menuItems.forEach(mbi => {\n      if (mbi.domNode.tabIndex === 0) {\n        openMenu = mbi.domNode.getAttribute('aria-expanded') === 'true';\n      }\n\n      mbi.domNode.tabIndex = -1;\n      if (mbi.popupMenu) {\n        mbi.popupMenu.close();\n      }\n    });\n\n    newItem.domNode.focus();\n    newItem.domNode.tabIndex = 0;\n\n    if (openMenu && newItem.popupMenu) {\n      newItem.popupMenu.open();\n    }\n    // Focus on the new menu, and open it if the previous menu was open.\n  }\n}\n\nexport class PopupMenu extends Menu {\n  constructor(domNode, controllerObj) {\n    super(domNode);\n    this.controller = controllerObj;\n  }\n\n  _createMenuItem(menuElement) {\n    return new SubMenuItem(menuElement, this);\n  }\n\n  init() {\n    super.init();\n    this.domNode.setAttribute('role', 'menu');\n    // Add event handlers.\n    this.domNode.addEventListener('mouseover', this.handleMouseover.bind(this));\n    this.domNode.addEventListener('mouseout', this.handleMouseout.bind(this));\n  }\n\n  setFocusToItem(newItem) {\n    newItem.domNode.focus();\n  }\n\n  setFocusToController(commandParam) {\n    let command = commandParam;\n    if (typeof command !== 'string') {\n      command = '';\n    }\n    if (command === '') {\n      if (this.controller) {\n        this.controller.focusOnSelf();\n      }\n      return;\n    }\n    if (command === 'previous') {\n      this.controller.focusOnPreviousSibling();\n    } else if (command === 'next') {\n      this.controller.focusOnNextSibling();\n    }\n  }\n\n  open() {\n    // Get position and bounding rectangle of controller object's DOM node\n    const rect = this.controller.getBoundaries();\n    // Set CSS properties\n    if (!this.controller.getIsMenubarItem()) {\n      this.domNode.parentNode.style.position = 'relative';\n      this.domNode.style.display = 'block';\n      this.domNode.style.position = 'absolute';\n      this.domNode.style.left = `${rect.width}px`;\n      this.domNode.style.zIndex = '100';\n    } else {\n      this.domNode.style.display = 'block';\n      this.domNode.style.position = 'absolute';\n      this.domNode.style.top = `${rect.height - 1}px`;\n      this.domNode.style.zIndex = '100';\n    }\n    this.controller.setExpanded(true);\n  }\n\n  close(force) {\n    let controllerHasHover = this.controller.getHover();\n    let hasFocus = this.hasFocus;\n\n    for (let i = 0; i < this.menuItems.length; i++) {\n      const mi = this.menuItems[i];\n      if (mi.popupMenu) {\n        hasFocus = hasFocus || mi.popupMenu.hasFocus;\n      }\n    }\n\n    if (!this.controller.getIsMenubarItem()) {\n      controllerHasHover = false;\n    }\n\n    if (force || (!hasFocus && !this.hasHover && !controllerHasHover)) {\n      this.domNode.style.display = 'none';\n      this.domNode.style.zIndex = '0';\n      this.controller.setExpanded(false);\n    }\n  }\n\n  handleMouseover() {\n    this.hasHover = true;\n  }\n\n  handleMouseout() {\n    this.hasHover = false;\n  }\n}\n","import { MenuBar } from './modules/_Menu.es6';\n\nconst callback = function() {\n  'use strict';\n\n  // The styling for this mobile menu is located in source/_patterns/04-components/menus/menu--main/.\n  const menuNode = document.querySelector('.menu--main');\n  if (menuNode) {\n    const myMenu = new MenuBar(menuNode);\n    myMenu.init();\n  }\n};\n\nif (\n  document.readyState === 'complete' ||\n  (document.readyState !== 'loading' && !document.documentElement.doScroll)\n) {\n  callback();\n} else {\n  document.addEventListener('DOMContentLoaded', callback);\n}\n"],"sourceRoot":""}