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{"version":3,"sources":["../src/dropdown.js"],"names":["Dropdown","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","ESCAPE_KEYCODE","SPACE_KEYCODE","TAB_KEYCODE","ARROW_UP_KEYCODE","ARROW_DOWN_KEYCODE","RIGHT_MOUSE_BUTTON_WHICH","REGEXP_KEYDOWN","RegExp","Event","HIDE","HIDDEN","SHOW","SHOWN","CLICK","CLICK_DATA_API","KEYDOWN_DATA_API","KEYUP_DATA_API","ClassName","DISABLED","Selector","DATA_TOGGLE","FORM_CHILD","MENU","NAVBAR_NAV","VISIBLE_ITEMS","element","_element","_addEventListeners","toggle","disabled","hasClass","parent","_getParentFromElement","isActive","_clearMenus","relatedTarget","showEvent","trigger","isDefaultPrevented","document","documentElement","closest","length","children","on","noop","focus","setAttribute","toggleClass","dispose","removeData","off","_jQueryInterface","config","each","data","undefined","Error","call","event","which","type","toggles","makeArray","i","test","target","tagName","contains","hideEvent","removeClass","selector","Util","getSelectorFromElement","parentNode","_dataApiKeydownHandler","preventDefault","stopPropagation","find","items","get","index","indexOf","prototype","e","Constructor","noConflict","jQuery"],"mappings":";;;;AAGA;;;;;;;AAOA,IAAMA,WAAY,UAACC,CAAD,EAAO;;AAGvB;;;;;;AAMA,MAAMC,OAA2B,UAAjC;AACA,MAAMC,UAA2B,eAAjC;AACA,MAAMC,WAA2B,aAAjC;AACA,MAAMC,kBAA+BD,QAArC;AACA,MAAME,eAA2B,WAAjC;AACA,MAAMC,qBAA2BN,EAAEO,EAAF,CAAKN,IAAL,CAAjC;AACA,MAAMO,iBAA2B,EAAjC,CAfuB,CAea;AACpC,MAAMC,gBAA2B,EAAjC,CAhBuB,CAgBa;AACpC,MAAMC,cAA2B,CAAjC,CAjBuB,CAiBY;AACnC,MAAMC,mBAA2B,EAAjC,CAlBuB,CAkBa;AACpC,MAAMC,qBAA2B,EAAjC,CAnBuB,CAmBa;AACpC,MAAMC,2BAA2B,CAAjC,CApBuB,CAoBY;AACnC,MAAMC,iBAA2B,IAAIC,MAAJ,CAAcJ,gBAAd,SAAkCC,kBAAlC,SAAwDJ,cAAxD,CAAjC;;AAEA,MAAMQ,QAAQ;AACZC,mBAA0Bb,SADd;AAEZc,uBAA4Bd,SAFhB;AAGZe,mBAA0Bf,SAHd;AAIZgB,qBAA2BhB,SAJf;AAKZiB,qBAA2BjB,SALf;AAMZkB,8BAA2BlB,SAA3B,GAAuCC,YAN3B;AAOZkB,kCAA6BnB,SAA7B,GAAyCC,YAP7B;AAQZmB,8BAA2BpB,SAA3B,GAAuCC;AAR3B,GAAd;;AAWA,MAAMoB,YAAY;AAChBC,cAAW,UADK;AAEhBP,UAAW;AAFK,GAAlB;;AAKA,MAAMQ,WAAW;AACfC,iBAAgB,0BADD;AAEfC,gBAAgB,gBAFD;AAGfC,UAAgB,gBAHD;AAIfC,gBAAgB,aAJD;AAKfC,mBAAgB;AALD,GAAjB;;AASA;;;;;;AAhDuB,MAsDjBjC,QAtDiB;AAwDrB,sBAAYkC,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;;AAEA,WAAKE,kBAAL;AACD;;AAGD;;AAOA;;AAtEqB,uBAwErBC,MAxEqB,qBAwEZ;AACP,UAAI,KAAKC,QAAL,IAAiBrC,EAAE,IAAF,EAAQsC,QAAR,CAAiBb,UAAUC,QAA3B,CAArB,EAA2D;AACzD,eAAO,KAAP;AACD;;AAED,UAAMa,SAAWxC,SAASyC,qBAAT,CAA+B,IAA/B,CAAjB;AACA,UAAMC,WAAWzC,EAAEuC,MAAF,EAAUD,QAAV,CAAmBb,UAAUN,IAA7B,CAAjB;;AAEApB,eAAS2C,WAAT;;AAEA,UAAID,QAAJ,EAAc;AACZ,eAAO,KAAP;AACD;;AAED,UAAME,gBAAgB;AACpBA,uBAAgB;AADI,OAAtB;AAGA,UAAMC,YAAgB5C,EAAEgB,KAAF,CAAQA,MAAMG,IAAd,EAAoBwB,aAApB,CAAtB;;AAEA3C,QAAEuC,MAAF,EAAUM,OAAV,CAAkBD,SAAlB;;AAEA,UAAIA,UAAUE,kBAAV,EAAJ,EAAoC;AAClC,eAAO,KAAP;AACD;;AAED;AACA;AACA;AACA;AACA,UAAI,kBAAkBC,SAASC,eAA3B,IACD,CAAChD,EAAEuC,MAAF,EAAUU,OAAV,CAAkBtB,SAASI,UAA3B,EAAuCmB,MAD3C,EACmD;AACjDlD,UAAE,MAAF,EAAUmD,QAAV,GAAqBC,EAArB,CAAwB,WAAxB,EAAqC,IAArC,EAA2CpD,EAAEqD,IAA7C;AACD;;AAED,WAAKC,KAAL;AACA,WAAKC,YAAL,CAAkB,eAAlB,EAAmC,IAAnC;;AAEAvD,QAAEuC,MAAF,EAAUiB,WAAV,CAAsB/B,UAAUN,IAAhC;AACAnB,QAAEuC,MAAF,EAAUM,OAAV,CAAkB7C,EAAEgB,KAAF,CAAQA,MAAMI,KAAd,EAAqBuB,aAArB,CAAlB;;AAEA,aAAO,KAAP;AACD,KAjHoB;;AAAA,uBAmHrBc,OAnHqB,sBAmHX;AACRzD,QAAE0D,UAAF,CAAa,KAAKxB,QAAlB,EAA4B/B,QAA5B;AACAH,QAAE,KAAKkC,QAAP,EAAiByB,GAAjB,CAAqBvD,SAArB;AACA,WAAK8B,QAAL,GAAgB,IAAhB;AACD,KAvHoB;;AA0HrB;;AA1HqB,uBA4HrBC,kBA5HqB,iCA4HA;AACnBnC,QAAE,KAAKkC,QAAP,EAAiBkB,EAAjB,CAAoBpC,MAAMK,KAA1B,EAAiC,KAAKe,MAAtC;AACD,KA9HoB;;AAiIrB;;AAjIqB,aAmIdwB,gBAnIc,6BAmIGC,MAnIH,EAmIW;AAC9B,aAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAO/D,EAAE,IAAF,EAAQ+D,IAAR,CAAa5D,QAAb,CAAX;;AAEA,YAAI,CAAC4D,IAAL,EAAW;AACTA,iBAAO,IAAIhE,QAAJ,CAAa,IAAb,CAAP;AACAC,YAAE,IAAF,EAAQ+D,IAAR,CAAa5D,QAAb,EAAuB4D,IAAvB;AACD;;AAED,YAAI,OAAOF,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,cAAIE,KAAKF,MAAL,MAAiBG,SAArB,EAAgC;AAC9B,kBAAM,IAAIC,KAAJ,uBAA8BJ,MAA9B,OAAN;AACD;AACDE,eAAKF,MAAL,EAAaK,IAAb,CAAkB,IAAlB;AACD;AACF,OAdM,CAAP;AAeD,KAnJoB;;AAAA,aAqJdxB,WArJc,wBAqJFyB,KArJE,EAqJK;AACxB,UAAIA,UAAUA,MAAMC,KAAN,KAAgBvD,wBAAhB,IACZsD,MAAME,IAAN,KAAe,OAAf,IAA0BF,MAAMC,KAAN,KAAgB1D,WADxC,CAAJ,EAC0D;AACxD;AACD;;AAED,UAAM4D,UAAUtE,EAAEuE,SAAF,CAAYvE,EAAE2B,SAASC,WAAX,CAAZ,CAAhB;;AAEA,WAAK,IAAI4C,IAAI,CAAb,EAAgBA,IAAIF,QAAQpB,MAA5B,EAAoCsB,GAApC,EAAyC;AACvC,YAAMjC,SAAgBxC,SAASyC,qBAAT,CAA+B8B,QAAQE,CAAR,CAA/B,CAAtB;AACA,YAAM7B,gBAAgB;AACpBA,yBAAgB2B,QAAQE,CAAR;AADI,SAAtB;;AAIA,YAAI,CAACxE,EAAEuC,MAAF,EAAUD,QAAV,CAAmBb,UAAUN,IAA7B,CAAL,EAAyC;AACvC;AACD;;AAED,YAAIgD,UAAUA,MAAME,IAAN,KAAe,OAAf,IACV,kBAAkBI,IAAlB,CAAuBN,MAAMO,MAAN,CAAaC,OAApC,CADU,IACsCR,MAAME,IAAN,KAAe,OAAf,IAA0BF,MAAMC,KAAN,KAAgB1D,WAD1F,KAEGV,EAAE4E,QAAF,CAAWrC,MAAX,EAAmB4B,MAAMO,MAAzB,CAFP,EAEyC;AACvC;AACD;;AAED,YAAMG,YAAY7E,EAAEgB,KAAF,CAAQA,MAAMC,IAAd,EAAoB0B,aAApB,CAAlB;AACA3C,UAAEuC,MAAF,EAAUM,OAAV,CAAkBgC,SAAlB;AACA,YAAIA,UAAU/B,kBAAV,EAAJ,EAAoC;AAClC;AACD;;AAED;AACA;AACA,YAAI,kBAAkBC,SAASC,eAA/B,EAAgD;AAC9ChD,YAAE,MAAF,EAAUmD,QAAV,GAAqBQ,GAArB,CAAyB,WA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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Dropdown = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                     = 'dropdown'\n  const VERSION                  = '4.0.0-alpha.6'\n  const DATA_KEY                 = 'bs.dropdown'\n  const EVENT_KEY                = `.${DATA_KEY}`\n  const DATA_API_KEY             = '.data-api'\n  const JQUERY_NO_CONFLICT       = $.fn[NAME]\n  const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\n  const SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\n  const TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\n  const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\n  const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\n  const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\n  const REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\n  const Event = {\n    HIDE             : `hide${EVENT_KEY}`,\n    HIDDEN           : `hidden${EVENT_KEY}`,\n    SHOW             : `show${EVENT_KEY}`,\n    SHOWN            : `shown${EVENT_KEY}`,\n    CLICK            : `click${EVENT_KEY}`,\n    CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,\n    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,\n    KEYUP_DATA_API   : `keyup${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DISABLED : 'disabled',\n    SHOW     : 'show'\n  }\n\n  const Selector = {\n    DATA_TOGGLE   : '[data-toggle=\"dropdown\"]',\n    FORM_CHILD    : '.dropdown form',\n    MENU          : '.dropdown-menu',\n    NAVBAR_NAV    : '.navbar-nav',\n    VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Dropdown {\n\n    constructor(element) {\n      this._element = element\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return false\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      Dropdown._clearMenus()\n\n      if (isActive) {\n        return false\n      }\n\n      const relatedTarget = {\n        relatedTarget : this\n      }\n      const showEvent     = $.Event(Event.SHOW, relatedTarget)\n\n      $(parent).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented()) {\n        return false\n      }\n\n      // if this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement &&\n         !$(parent).closest(Selector.NAVBAR_NAV).length) {\n        $('body').children().on('mouseover', null, $.noop)\n      }\n\n      this.focus()\n      this.setAttribute('aria-expanded', true)\n\n      $(parent).toggleClass(ClassName.SHOW)\n      $(parent).trigger($.Event(Event.SHOWN, relatedTarget))\n\n      return false\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._element).off(EVENT_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _addEventListeners() {\n      $(this._element).on(Event.CLICK, this.toggle)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Dropdown(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config].call(this)\n        }\n      })\n    }\n\n    static _clearMenus(event) {\n      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n        event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n        return\n      }\n\n      const toggles = $.makeArray($(Selector.DATA_TOGGLE))\n\n      for (let i = 0; i < toggles.length; i++) {\n        const parent        = Dropdown._getParentFromElement(toggles[i])\n        const relatedTarget = {\n          relatedTarget : toggles[i]\n        }\n\n        if (!$(parent).hasClass(ClassName.SHOW)) {\n          continue\n        }\n\n        if (event && (event.type === 'click' &&\n            /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE)\n            && $.contains(parent, event.target)) {\n          continue\n        }\n\n        const hideEvent = $.Event(Event.HIDE, relatedTarget)\n        $(parent).trigger(hideEvent)\n        if (hideEvent.isDefaultPrevented()) {\n          continue\n        }\n\n        // if this is a touch-enabled device we remove the extra\n        // empty mouseover listeners we added for iOS support\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().off('mouseover', null, $.noop)\n        }\n\n        toggles[i].setAttribute('aria-expanded', 'false')\n\n        $(parent)\n          .removeClass(ClassName.SHOW)\n          .trigger($.Event(Event.HIDDEN, relatedTarget))\n      }\n    }\n\n    static _getParentFromElement(element) {\n      let parent\n      const selector = Util.getSelectorFromElement(element)\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      return parent || element.parentNode\n    }\n\n    static _dataApiKeydownHandler(event) {\n      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||\n         /input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      event.preventDefault()\n      event.stopPropagation()\n\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||\n           isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n\n        if (event.which === ESCAPE_KEYCODE) {\n          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]\n          $(toggle).trigger('focus')\n        }\n\n        $(this).trigger('click')\n        return\n      }\n\n      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()\n\n      if (!items.length) {\n        return\n      }\n\n      let index = items.indexOf(event.target)\n\n      if (event.which === ARROW_UP_KEYCODE && index > 0) { // up\n        index--\n      }\n\n      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // down\n        index++\n      }\n\n      if (index < 0) {\n        index = 0\n      }\n\n      items[index].focus()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE,  Dropdown._dataApiKeydownHandler)\n    .on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)\n    .on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle)\n    .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {\n      e.stopPropagation()\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Dropdown._jQueryInterface\n  $.fn[NAME].Constructor = Dropdown\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Dropdown._jQueryInterface\n  }\n\n  return Dropdown\n\n})(jQuery)\n\nexport default Dropdown\n"]}