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window.navigator.maxTouchPoints > 1);\n\n\nvar locks = [];\nvar documentListenerAdded = false;\nvar initialClientY = -1;\nvar previousBodyOverflowSetting = void 0;\nvar previousBodyPaddingRight = void 0;\n\n// returns true if `el` should be allowed to receive touchmove events.\nvar allowTouchMove = function allowTouchMove(el) {\n  return locks.some(function (lock) {\n    if (lock.options.allowTouchMove && lock.options.allowTouchMove(el)) {\n      return true;\n    }\n\n    return false;\n  });\n};\n\nvar preventDefault = function preventDefault(rawEvent) {\n  var e = rawEvent || window.event;\n\n  // For the case whereby consumers adds a touchmove event listener to document.\n  // Recall that we do document.addEventListener('touchmove', preventDefault, { passive: false })\n  // in disableBodyScroll - so if we provide this opportunity to allowTouchMove, then\n  // the touchmove event on document will break.\n  if (allowTouchMove(e.target)) {\n    return true;\n  }\n\n  // Do not prevent if the event has more than one touch (usually meaning this is a multi touch gesture like pinch to zoom).\n  if (e.touches.length > 1) return true;\n\n  if (e.preventDefault) e.preventDefault();\n\n  return false;\n};\n\nvar setOverflowHidden = function setOverflowHidden(options) {\n  // If previousBodyPaddingRight is already set, don't set it again.\n  if (previousBodyPaddingRight === undefined) {\n    var _reserveScrollBarGap = !!options && options.reserveScrollBarGap === true;\n    var scrollBarGap = window.innerWidth - document.documentElement.clientWidth;\n\n    if (_reserveScrollBarGap && scrollBarGap > 0) {\n      previousBodyPaddingRight = document.body.style.paddingRight;\n      document.body.style.paddingRight = scrollBarGap + 'px';\n    }\n  }\n\n  // If previousBodyOverflowSetting is already set, don't set it again.\n  if (previousBodyOverflowSetting === undefined) {\n    previousBodyOverflowSetting = document.body.style.overflow;\n    document.body.style.overflow = 'hidden';\n  }\n};\n\nvar restoreOverflowSetting = function restoreOverflowSetting() {\n  if (previousBodyPaddingRight !== undefined) {\n    document.body.style.paddingRight = previousBodyPaddingRight;\n\n    // Restore previousBodyPaddingRight to undefined so setOverflowHidden knows it\n    // can be set again.\n    previousBodyPaddingRight = undefined;\n  }\n\n  if (previousBodyOverflowSetting !== undefined) {\n    document.body.style.overflow = previousBodyOverflowSetting;\n\n    // Restore previousBodyOverflowSetting to undefined\n    // so setOverflowHidden knows it can be set again.\n    previousBodyOverflowSetting = undefined;\n  }\n};\n\n// https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight#Problems_and_solutions\nvar isTargetElementTotallyScrolled = function isTargetElementTotallyScrolled(targetElement) {\n  return targetElement ? targetElement.scrollHeight - targetElement.scrollTop <= targetElement.clientHeight : false;\n};\n\nvar handleScroll = function handleScroll(event, targetElement) {\n  var clientY = event.targetTouches[0].clientY - initialClientY;\n\n  if (allowTouchMove(event.target)) {\n    return false;\n  }\n\n  if (targetElement && targetElement.scrollTop === 0 && clientY > 0) {\n    // element is at the top of its scroll.\n    return preventDefault(event);\n  }\n\n  if (isTargetElementTotallyScrolled(targetElement) && clientY < 0) {\n    // element is at the bottom of its scroll.\n    return preventDefault(event);\n  }\n\n  event.stopPropagation();\n  return true;\n};\n\nexport var disableBodyScroll = function disableBodyScroll(targetElement, options) {\n  // targetElement must be provided\n  if (!targetElement) {\n    // eslint-disable-next-line no-console\n    console.error('disableBodyScroll unsuccessful - targetElement must be provided when calling disableBodyScroll on IOS devices.');\n    return;\n  }\n\n  // disableBodyScroll must not have been called on this targetElement before\n  if (locks.some(function (lock) {\n    return lock.targetElement === targetElement;\n  })) {\n    return;\n  }\n\n  var lock = {\n    targetElement: targetElement,\n    options: options || {}\n  };\n\n  locks = [].concat(_toConsumableArray(locks), [lock]);\n\n  if (isIosDevice) {\n    targetElement.ontouchstart = function (event) {\n      if (event.targetTouches.length === 1) {\n        // detect single touch.\n        initialClientY = event.targetTouches[0].clientY;\n      }\n    };\n    targetElement.ontouchmove = function (event) {\n      if (event.targetTouches.length === 1) {\n        // detect single touch.\n        handleScroll(event, targetElement);\n      }\n    };\n\n    if (!documentListenerAdded) {\n      document.addEventListener('touchmove', preventDefault, hasPassiveEvents ? { passive: false } : undefined);\n      documentListenerAdded = true;\n    }\n  } else {\n    setOverflowHidden(options);\n  }\n};\n\nexport var clearAllBodyScrollLocks = function clearAllBodyScrollLocks() {\n  if (isIosDevice) {\n    // Clear all locks ontouchstart/ontouchmove handlers, and the references.\n    locks.forEach(function (lock) {\n      lock.targetElement.ontouchstart = null;\n      lock.targetElement.ontouchmove = null;\n    });\n\n    if (documentListenerAdded) {\n      document.removeEventListener('touchmove', preventDefault, hasPassiveEvents ? { passive: false } : undefined);\n      documentListenerAdded = false;\n    }\n\n    // Reset initial clientY.\n    initialClientY = -1;\n  } else {\n    restoreOverflowSetting();\n  }\n\n  locks = [];\n};\n\nexport var enableBodyScroll = function enableBodyScroll(targetElement) {\n  if (!targetElement) {\n    // eslint-disable-next-line no-console\n    console.error('enableBodyScroll unsuccessful - targetElement must be provided when calling enableBodyScroll on IOS devices.');\n    return;\n  }\n\n  locks = locks.filter(function (lock) {\n    return lock.targetElement !== targetElement;\n  });\n\n  if (isIosDevice) {\n    targetElement.ontouchstart = null;\n    targetElement.ontouchmove = null;\n\n    if (documentListenerAdded && locks.length === 0) {\n      document.removeEventListener('touchmove', preventDefault, hasPassiveEvents ? { passive: false } : undefined);\n      documentListenerAdded = false;\n    }\n  } else if (!locks.length) {\n    restoreOverflowSetting();\n  }\n};\n\n","import pubsub from './pubsub';\r\nimport { throttle } from './throttle';\r\n\r\n// Adds a data attribute to your selected element with the scroll direction as value.\r\n// scrollElement is the element on which you have applied scroll.\r\n// targetElement is the child element on which you detect scroll,\r\n// this is where data-attributes will be registered.\r\n// dispatchElement is the element that will dispatch a custom event that can be listened to.\r\n\r\n// Use window in case of no scrollElement and targetElement will default to document.body\r\n\r\n\r\n// Initial state\r\nlet scrollPosV = 0;\r\nlet scrollPosH = 0;\r\n\r\nexport function scrollDirection(scrollElement, targetElement, dispatchElement) {\r\n\tconst scrollEl = scrollElement;\r\n\tlet targetEl = targetElement;\r\n\tlet dispatchEl = dispatchElement;\r\n\r\n\tif (scrollEl === window && !targetEl) {\r\n\t\ttargetEl = document.body;\r\n\t}\r\n\r\n\tif (!dispatchEl) {\r\n\t\tdispatchEl = targetEl;\r\n\t}\r\n\r\n\tfunction setDirection(direction) {\r\n\t\ttargetEl.dataset.scrollDirection = direction;\r\n\t\tconst customEvent = document.createEvent('CustomEvent');\r\n\t\tcustomEvent.initCustomEvent('scrollDirection', false, false, {\r\n\t\t\tdetail: targetEl.dataset.scrollDirection,\r\n\t\t});\r\n\t\tdispatchEl.dispatchEvent(customEvent);\r\n\t\tpubsub.publish('window/scrollDirection', { detail: targetEl.dataset.scrollDirection });\r\n\t}\r\n\r\n\tconst onScroll = throttle(\r\n\t\t() => {\r\n\t\t\t// detects new state and compares it with the new one\r\n\t\t\tif ((targetEl.getBoundingClientRect()).top !== scrollPosV) {\r\n\t\t\t\tif ((targetEl.getBoundingClientRect()).top > scrollPosV) {\r\n\t\t\t\t\tsetDirection('UP');\r\n\t\t\t\t} else {\r\n\t\t\t\t\tsetDirection('DOWN');\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\tif ((targetEl.getBoundingClientRect()).left !== scrollPosH) {\r\n\t\t\t\tif ((targetEl.getBoundingClientRect()).left > scrollPosH) {\r\n\t\t\t\t\tsetDirection('LEFT');\r\n\t\t\t\t} else {\r\n\t\t\t\t\tsetDirection('RIGHT');\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t// saves the new position for iteration.\r\n\t\t\tscrollPosV = (targetEl.getBoundingClientRect()).top;\r\n\t\t\tscrollPosH = (targetEl.getBoundingClientRect()).left;\r\n\t\t}, 250\r\n\t);\r\n\r\n\t// adding scroll event\r\n\tscrollElement.addEventListener('scroll', onScroll);\r\n}\r\n","// Returns a function, that, as long as it continues to be invoked, will only\r\n// be triggered every N milliseconds.\r\n\r\n// https://codeburst.io/throttling-and-debouncing-in-javascript-b01cad5c8edf\r\n\r\n// throttle :: Function, Number -> (Any -> Void)\r\nexport function throttle(func, limit) {\r\n\tlet lastFunc;\r\n\tlet lastRan;\r\n\treturn function throttled(...args) {\r\n\t\tconst context = this;\r\n\t\tif (!lastRan) {\r\n\t\t\tfunc.apply(context, args);\r\n\t\t\tlastRan = Date.now();\r\n\t\t} else {\r\n\t\t\tclearTimeout(lastFunc);\r\n\t\t\tlastFunc = setTimeout(() => {\r\n\t\t\t\tif ((Date.now() - lastRan) >= limit) {\r\n\t\t\t\t\tfunc.apply(context, args);\r\n\t\t\t\t\tlastRan = Date.now();\r\n\t\t\t\t}\r\n\t\t\t}, limit - (Date.now() - lastRan));\r\n\t\t}\r\n\t};\r\n}\r\n","import { disableBodyScroll, clearAllBodyScrollLocks } from 'body-scroll-lock';\r\nimport { scrollDirection } from '../../foundation/utilities/scrollDirection';\r\nimport BaseFeature from '../../foundation/base/base';\r\n\r\nclass Header extends BaseFeature {\r\n\tconstructor(element) {\r\n\t\tsuper(element);\r\n\r\n\t\tthis.el = element;\r\n\t\tthis.log('Header Feature Init');\r\n\r\n\t\tthis.classes = {\r\n\t\t\tnavIsOpen: 'is-open'\r\n\t\t};\r\n\t\tthis.scroll = {};\r\n\r\n\t\tthis.initDomCache();\r\n\t\tthis.init();\r\n\t}\r\n\r\n\tinit() {\r\n\t\tthis.dom.navController.addEventListener('click', () => {\r\n\t\t\tthis.setNavIsOpen();\r\n\t\t\tthis.dom.searchController.checked = false;\r\n\t\t\tthis.dom.langController.checked = false;\r\n\t\t});\r\n\t\tthis.dom.searchController.addEventListener('click', () => {\r\n\t\t\tthis.dom.navController.checked = false;\r\n\t\t\tthis.dom.langController.checked = false;\r\n\t\t});\r\n\t\tthis.dom.langController.addEventListener('click', () => {\r\n\t\t\tthis.dom.navController.checked = false;\r\n\t\t\tthis.dom.searchController.checked = false;\r\n\t\t});\r\n\t\t// Set up scrolling events\r\n\t\tscrollDirection(window, false, this.el);\r\n\r\n\t\t// Listen to Viewport Scroll direction\r\n\t\tthis.subscribe('window/scrollDirection', (data) => {\r\n\t\t\t// Test for overscrolling\r\n\t\t\tthis.setPinned(data);\r\n\t\t});\r\n\t}\r\n\r\n\tsetPinned(data) {\r\n\t\tconst el = document.body;\r\n\t\tlet scroll = window.scrollY;\r\n\t\tif (!scroll) {\r\n\t\t\tscroll = window.pageYOffset;\r\n\t\t}\r\n\t\tconst dataScroll = this.el.getAttribute('data-header-scroll');\r\n\t\t// If top of screen\r\n\t\tif (scroll === 0 && dataScroll === 'compact') {\r\n\t\t\tthis.el.removeAttribute('data-header-scroll', 'compact');\r\n\t\t\tthis.el.setAttribute('data-header-scroll', 'fullsize');\r\n\t\t}\r\n\t\t// If not at top or bottom of screen\r\n\t\tif (scroll > 10 && !((window.innerHeight + window.pageYOffset) >= el.offsetHeight)) {\r\n\t\t\tif (data.detail === 'DOWN') {\r\n\t\t\t\tif (dataScroll === 'fullsize' || dataScroll === null) {\r\n\t\t\t\t\tthis.el.removeAttribute('data-header-scroll', 'fullsize');\r\n\t\t\t\t\tthis.el.setAttribute('data-header-scroll', 'compact');\r\n\t\t\t\t}\r\n\t\t\t} else if (dataScroll === 'compact' || dataScroll === null) {\r\n\t\t\t\tthis.el.removeAttribute('data-header-scroll', 'compact');\r\n\t\t\t\tthis.el.setAttribute('data-header-scroll', 'fullsize');\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tnavIsOpen() {\r\n\t\treturn this.dom.navController.checked;\r\n\t}\r\n\r\n\tsetNavIsOpen() {\r\n\t\tconst isNavOpen = this.navIsOpen();\r\n\r\n\t\t// Toggle the class based on our test\r\n\t\tthis.el.classList.toggle(this.classes.navIsOpen, isNavOpen);\r\n\r\n\t\t// Lock scrolling on body\r\n\t\tif (isNavOpen) {\r\n\t\t\tdisableBodyScroll(this.dom.navPanel);\r\n\t\t} else {\r\n\t\t\tclearAllBodyScrollLocks();\r\n\t\t}\r\n\t}\r\n}\r\n\r\nexport default Header;\r\n","var $ = require('../internals/export');\nvar fails = require('../internals/fails');\nvar toObject = require('../internals/to-object');\nvar nativeGetPrototypeOf = require('../internals/object-get-prototype-of');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\n\nvar FAILS_ON_PRIMITIVES = fails(function () { nativeGetPrototypeOf(1); });\n\n// `Object.getPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.getprototypeof\n$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !CORRECT_PROTOTYPE_GETTER }, {\n  getPrototypeOf: function getPrototypeOf(it) {\n    return nativeGetPrototypeOf(toObject(it));\n  }\n});\n\n","var $ = require('../internals/export');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\n// `Object.setPrototypeOf` method\n// https://tc39.github.io/ecma262/#sec-object.setprototypeof\n$({ target: 'Object', stat: true }, {\n  setPrototypeOf: setPrototypeOf\n});\n"],"sourceRoot":""}