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!important;transform:rotate(0deg);-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-o-transform:rotate(0deg);transition:transform, 250ms}.som-mobile-subheader__title-bar__toggle-button.opened{transform:rotate(180deg);-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-o-transform:rotate(180deg)}.som-mobile-subheader__overlay{position:fixed;width:100%;height:100%;z-index:3030;left:0;background:rgba(5, 17, 25, 0.815);top:5rem}@media (max-width: 1199.98px){.som-mobile-subheader__overlay{top:3.5rem}}.som-mobile-subheader__overlay.invisible{left:15000rem}.som-mobile-subheader__overlay-content{position:relative;background-color:#ffffff;left:0;overflow-y:auto;-webkit-overflow-scrolling:touch;width:100%;opacity:0;max-height:calc(100vh - 112px);transition:opacity, 250ms}.som-mobile-subheader__overlay-content.opened{opacity:1}.som-mobile-subheader__overlay-content__nav-container{position:relative;height:100%;width:100%;overflow-y:auto;display:flex !important;flex-direction:column !important}\";\n\nconst RESIZE_DEBOUNCE_TIME = 100; // milliseconds\nfunction preventDefault(e) {\n  e.preventDefault();\n}\nlet SomMobileSubheader = class {\n  constructor(hostRef) {\n    registerInstance(this, hostRef);\n    /**\n     * Title of mobile subheader\n     */\n    this.subheaderTitle = '';\n    /**\n     * The breakpoint where the mobile navigation should take effect.\n     * Valid values are `\"sm\"`, `\"md\"`, `\"lg\"`, `\"xl\"`\n     * Defaults to `\"lg\"`.\n     */\n    this.breakpoint = 'lg';\n    this.animation = '';\n    this.opened = false;\n    this.mobileMode = false;\n    this.menuId = generateId('som-mobile-subheader');\n    this.focusableEls = [];\n  }\n  updateMode() {\n    if (!this.mobileMode) {\n      this.closeMobileMenu();\n    }\n  }\n  _handleKeyDown(e) {\n    // if the menu isn't open, return and don't process keystrokes\n    if (!this.opened)\n      return;\n    const KEY_TAB = 9;\n    const KEY_ESC = 27;\n    const handleBackwardTab = () => {\n      // When a click occurs on the panel window, this.el might be the activeElement.\n      // Make sure to handle the backward tab not to move to the background body content.\n      if (document.activeElement === this.firstFocusableEl || (!this.focusableEls.includes(document.activeElement) && this.el.contains(document.activeElement))) {\n        e.preventDefault();\n        focusElement(this.lastFocusableEl);\n      }\n    };\n    const handleForwardTab = () => {\n      // When a click occurs on the panel window, this.el might be the activeElement.\n      // Make sure to handle the forward tab not to move to the background body content.\n      if (document.activeElement === this.lastFocusableEl) {\n        // || (!this.focusableEls.includes(document.activeElement) && this.el.contains(document.activeElement))) {\n        e.preventDefault();\n        focusElement(this.firstFocusableEl);\n      }\n    };\n    switch (e.keyCode) {\n      case KEY_TAB:\n        if (this.focusableEls.length === 1 && document.activeElement === this.focusableEls[0]) {\n          // There's only one element and it is focused, don't do anything\n          e.preventDefault();\n          break;\n        }\n        if (e.shiftKey) {\n          handleBackwardTab();\n        }\n        else {\n          handleForwardTab();\n        }\n        break;\n      case KEY_ESC:\n        this.closeMobileMenu();\n        break;\n    }\n  }\n  /**\n   * This method will close the mobile menu if it's opened. It is useful to use it when a user clicks on a link inside the menu.\n   * @returns Promise will resolve when the close animation ends.\n   */\n  closeMobileMenu() {\n    return new Promise(resolve => {\n      if (this.opened) {\n        // Wait for transition to finish before resolving\n        this.registerTransitionListeners(() => {\n          resolve();\n        });\n        this.animation = 'out';\n        this.enableScrollOnBody(true);\n      }\n      else {\n        // Mobile menu is already closed\n        resolve();\n      }\n    });\n  }\n  checkBreakpoint() {\n    // clear the timeout\n    clearTimeout(this.timeout);\n    // Setup debounce so we're not constantly reading screen width\n    this.timeout = setTimeout(this.checkMobileMode.bind(this), RESIZE_DEBOUNCE_TIME);\n  }\n  checkMobileMode() {\n    if (window.innerWidth < breakpoints[this.breakpoint]) {\n      // Mobile\n      this.mobileMode = true;\n    }\n    else {\n      // Desktop\n      this.mobileMode = false;\n    }\n  }\n  enableScrollOnBody(enable) {\n    document.body.style.overflow = enable ? '' : 'hidden';\n  }\n  refreshFocusableElements() {\n    this.focusableEls = [];\n    // Get all focusable elements that aren't passed in through slot.\n    this.focusableEls = Array.prototype.slice.call(this.el.querySelectorAll('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), [tabindex=\"0\"]'));\n    if (this.focusableEls.length > 0) {\n      //const firstElement = this.focusableEls[0];\n      this.firstFocusableEl = this.closeButton;\n      this.lastFocusableEl = this.focusableEls[this.focusableEls.length - 1];\n      console.log(this.firstFocusableEl);\n      console.log(this.lastFocusableEl);\n    }\n    else {\n      this.firstFocusableEl = null;\n      this.lastFocusableEl = null;\n    }\n  }\n  registerTransitionListeners(callback = () => { }) {\n    const elem = this.el.querySelector('.som-mobile-subheader__overlay');\n    // Listen for an animation\n    const transitionEvent = whichTransitionEvent();\n    let onTransitionCompletedCb;\n    const onTransitionCompleted = () => {\n      elem.removeEventListener(transitionEvent, onTransitionCompletedCb);\n      // Transition is completed\n      this.afterToggle();\n      callback();\n    };\n    onTransitionCompletedCb = onTransitionCompleted.bind(this);\n    if (transitionEvent) {\n      elem.addEventListener(transitionEvent, onTransitionCompletedCb);\n    }\n  }\n  componentDidLoad() {\n    this.elemWithAnimation = this.el.querySelector('.som-mobile-subheader__overlay-content');\n    this.menuContent = this.el.querySelector('.som-mobile-subheader__overlay-content__nav-container');\n    this.refreshFocusableElements();\n  }\n  toggleOverlay() {\n    this.registerTransitionListeners();\n    this.animation = this.opened ? 'out' : 'in';\n    this.enableScrollOnBody(this.animation === 'out');\n  }\n  handleToggle(e) {\n    preventDefault(e);\n    this.toggleOverlay();\n  }\n  afterToggle() {\n    if (this.opened && this.animation === 'out') {\n      // Menu was closed\n      this.opened = false;\n      this.animation = '';\n    }\n    else if (!this.opened && this.animation === 'in') {\n      // Menu was opened\n      this.opened = true;\n      this.animation = '';\n      focusElement(this.firstFocusableEl);\n    }\n  }\n  createHeader() {\n    let toggleButtonClass = '';\n    if (this.animation === 'out') ;\n    else if (this.animation === 'in' || this.opened) {\n      toggleButtonClass = 'opened';\n    }\n    return (h(\"nav\", { \"aria-label\": \"secondary\" }, h(\"button\", { class: \"som-mobile-subheader__title-bar\", onClick: e => this.handleToggle(e), \"aria-haspopup\": \"true\", \"aria-controls\": this.menuId, ref: el => this.closeButton = el }, h(\"span\", { class: \"truncate\" }, this.subheaderTitle), h(\"span\", { class: `som-mobile-subheader__title-bar__toggle-button ${toggleButtonClass}` }, h(\"som-icon-chevron-down\", { color: \"secondary\", size: \"sm\" })))));\n  }\n  render() {\n    // Set animations when the overlay menu is opened or closed\n    let overlayClass = '';\n    let overlayContentAnimation = '';\n    if (this.animation === 'out') ;\n    else if (this.animation === 'in' || this.opened) {\n      overlayClass = 'opened';\n      overlayContentAnimation = 'opened';\n    }\n    // We create the header menus (a regular one which will display on the page and an \"overlay\" one which will display when the mobile menu overlay is displayed)\n    const nav = this.createHeader();\n    const overlayNav = this.createHeader();\n    /*\n      When menu overlay is animating, this.animation will either be 'in' our 'out'.\n      When the menu is shown (after the animation), this.opened will be set to true.\n    */\n    const mobileMenuShown = this.animation || this.opened;\n    return (h(\"div\", { class: \"som-mobile-subheader\" }, h(\"div\", { class: `${mobileMenuShown ? 'invisible' : ''} som-header-d-${this.breakpoint}-none` }, nav), h(\"div\", { class: ['som-mobile-subheader__overlay', mobileMenuShown ? '' : ' invisible', overlayClass].join(' '), role: \"dialog\", onClick: this.closeMobileMenu.bind(this) }, h(\"div\", { class: \"som-mobile-subheader__overlay__title-bar\" }, overlayNav), h(\"div\", { class: ['som-mobile-subheader__overlay-content', overlayContentAnimation].join(' '), id: this.menuId, ref: (el) => this.menuContainer = el, tabindex: \"-1\" }, h(\"div\", { class: \"som-mobile-subheader__overlay-content__nav-container\" }, h(\"slot\", null))))));\n  }\n  get el() { return getElement(this); }\n  static get watchers() { return {\n    \"mobileMode\": [\"updateMode\"]\n  }; }\n};\nSomMobileSubheader.style = somMobileSubheaderCss;\n\nexport { SomMobileSubheader as som_mobile_subheader };\n","function focusElement(element, delay = 0) {\n  return new Promise((resolve) => {\n    // We need to put the `element.focus()` call on top of the stack to make sure IE executes the focus after everything else. This can be done with `setTimeout`.\n    setTimeout(() => {\n      element.focus();\n      resolve();\n    }, delay);\n  });\n}\nfunction getFocusableElementList() {\n  return 'a[href], area[href], input:not([disabled]), input:not([hidden]), select:not([disabled]), select:not([hidden]), textarea:not([disabled]), textarea:not([hidden]), button:not([disabled]), [tabindex=\"0\"]';\n}\nfunction find(items, fn) {\n  // Use default find if supported\n  if (Array.prototype.find) {\n    return items.find(fn);\n  }\n  // `find` method is not defined on `Array`, so we implement it\n  let i = 0;\n  let found = null;\n  while (!found && i < items.length) {\n    found = fn(items[i]) ? items[i] : null;\n    i += 1;\n  }\n  return found;\n}\n// Use this function to generate an ID.\n// For example, this will ensure that each 'som-radio-button' components will have a unique ID automatically.\nlet lastId = 0;\nfunction generateId(prefix = 'id') {\n  lastId += 1;\n  return `${prefix}${lastId}`;\n}\nfunction whichTransitionEvent() {\n  const el = document.createElement('fakeelement');\n  const transitions = {\n    transition: 'transitionend',\n    OTransition: 'oTransitionEnd',\n    MozTransition: 'transitionend',\n    WebkitTransition: 'webkitTransitionEnd',\n  };\n  const transitionKeys = Object.keys(transitions);\n  let found = false;\n  let i = 0;\n  while (!found && i < transitionKeys.length) {\n    const t = transitionKeys[i];\n    if (el.style[t] !== undefined) {\n      found = true;\n    }\n    else {\n      i += 1;\n    }\n  }\n  if (found) {\n    const t = transitionKeys[i];\n    return transitions[t];\n  }\n  return null;\n}\nfunction whichAnimationEvent() {\n  const el = document.createElement('fakeelement');\n  const animations = {\n    animation: 'animationend',\n    OAnimation: 'oAnimationEnd',\n    MozAnimation: 'animationend',\n    WebkitAnimation: 'webkitAnimationEnd',\n  };\n  const animationKeys = Object.keys(animations);\n  let found = false;\n  let i = 0;\n  while (!found && i < animationKeys.length) {\n    const t = animationKeys[i];\n    if (el.style[t] !== undefined) {\n      found = true;\n    }\n    else {\n      i += 1;\n    }\n  }\n  if (found) {\n    const t = animationKeys[i];\n    return animations[t];\n  }\n  return null;\n}\nfunction waitForCSSTransitionToFinish(elem, callback) {\n  // Listen for a transition animation animation\n  const transitionEvent = whichTransitionEvent();\n  let onTransitionCompletedCb;\n  const onTransitionCompleted = (evt) => {\n    // Make sure to wait for the proper transition event\n    if (evt.target === elem) {\n      elem.removeEventListener(transitionEvent, onTransitionCompletedCb);\n      callback();\n    }\n  };\n  onTransitionCompletedCb = onTransitionCompleted.bind(this);\n  if (transitionEvent) {\n    elem.addEventListener(transitionEvent, onTransitionCompletedCb);\n  }\n}\nfunction runAfterNextFrameRender(callback) {\n  requestAnimationFrame(() => {\n    setTimeout(() => {\n      callback();\n    }, 0);\n  });\n}\n// Returns true of an element is a child of another element; false otherwise\nfunction isDescendant(parent, child) {\n  let node = child.parentNode;\n  while (node !== null) {\n    if (node === parent) {\n      return true;\n    }\n    node = node.parentNode;\n  }\n  return false;\n}\n\nexport { waitForCSSTransitionToFinish as a, whichAnimationEvent as b, find as c, getFocusableElementList as d, focusElement as f, generateId as g, isDescendant as i, runAfterNextFrameRender as r, whichTransitionEvent as w };\n"],"sourceRoot":""}