rooty/Bootstrap
0
0
Fork 0
mirror of https://github.com/twbs/bootstrap.git synced 2024-11-29 11:24:18 +01:00
Code Issues Actions Packages Releases Activity
16d77b4cb0
Bootstrap/js/dist/scrollspy.js.map
Mark Otto 16d77b4cb0 build
2017-06-18 18:32:16 -07:00

1 line
18 KiB
Plaintext
Raw Blame History

{"version":3,"sources":["../src/scrollspy.js"],"names":["ScrollSpy","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","Default","offset","method","target","DefaultType","Event","ACTIVATE","SCROLL","LOAD_DATA_API","ClassName","DROPDOWN_ITEM","DROPDOWN_MENU","ACTIVE","Selector","DATA_SPY","NAV_LIST_GROUP","NAV_LINKS","LIST_ITEMS","DROPDOWN","DROPDOWN_ITEMS","DROPDOWN_TOGGLE","OffsetMethod","OFFSET","POSITION","element","config","_element","_scrollElement","tagName","window","_config","_getConfig","_selector","_offsets","_targets","_activeTarget","_scrollHeight","on","event","_process","refresh","autoMethod","offsetMethod","offsetBase","_getScrollTop","_getScrollHeight","targets","makeArray","map","targetSelector","Util","getSelectorFromElement","targetBCR","getBoundingClientRect","width","height","top","filter","item","sort","a","b","forEach","push","dispose","removeData","off","extend","id","attr","getUID","typeCheckConfig","pageYOffset","scrollTop","scrollHeight","Math","max","document","body","documentElement","_getOffsetHeight","innerHeight","maxScroll","length","_activate","_clear","i","isActiveTarget","undefined","queries","split","selector","$link","join","hasClass","closest","find","addClass","parents","prev","trigger","relatedTarget","removeClass","_jQueryInterface","each","data","Error","scrollSpys","$spy","call","Constructor","noConflict","jQuery"],"mappings":";;;;;;AAGA;;;;;;;AAOA,IAAMA,YAAa,UAACC,CAAD,EAAO;;AAGxB;;;;;;AAMA,MAAMC,OAAqB,WAA3B;AACA,MAAMC,UAAqB,eAA3B;AACA,MAAMC,WAAqB,cAA3B;AACA,MAAMC,kBAAyBD,QAA/B;AACA,MAAME,eAAqB,WAA3B;AACA,MAAMC,qBAAqBN,EAAEO,EAAF,CAAKN,IAAL,CAA3B;;AAEA,MAAMO,UAAU;AACdC,YAAS,EADK;AAEdC,YAAS,MAFK;AAGdC,YAAS;AAHK,GAAhB;;AAMA,MAAMC,cAAc;AAClBH,YAAS,QADS;AAElBC,YAAS,QAFS;AAGlBC,YAAS;AAHS,GAApB;;AAMA,MAAME,QAAQ;AACZC,2BAA2BV,SADf;AAEZW,uBAAyBX,SAFb;AAGZY,4BAAuBZ,SAAvB,GAAmCC;AAHvB,GAAd;;AAMA,MAAMY,YAAY;AAChBC,mBAAgB,eADA;AAEhBC,mBAAgB,eAFA;AAGhBC,YAAgB;AAHA,GAAlB;;AAMA,MAAMC,WAAW;AACfC,cAAkB,qBADH;AAEfF,YAAkB,SAFH;AAGfG,oBAAkB,mBAHH;AAIfC,eAAkB,WAJH;AAKfC,gBAAkB,kBALH;AAMfC,cAAkB,WANH;AAOfC,oBAAkB,gBAPH;AAQfC,qBAAkB;AARH,GAAjB;;AAWA,MAAMC,eAAe;AACnBC,YAAW,QADQ;AAEnBC,cAAW;AAFQ,GAArB;;AAMA;;;;;;AAzDwB,MA+DlBhC,SA/DkB;AAiEtB,uBAAYiC,OAAZ,EAAqBC,MAArB,EAA6B;AAAA;;AAAA;;AAC3B,WAAKC,QAAL,GAAsBF,OAAtB;AACA,WAAKG,cAAL,GAAsBH,QAAQI,OAAR,KAAoB,MAApB,GAA6BC,MAA7B,GAAsCL,OAA5D;AACA,WAAKM,OAAL,GAAsB,KAAKC,UAAL,CAAgBN,MAAhB,CAAtB;AACA,WAAKO,SAAL,GAAyB,KAAKF,OAAL,CAAa3B,MAAhB,SAA0BU,SAASG,SAAnC,UACG,KAAKc,OAAL,CAAa3B,MADhB,SAC0BU,SAASI,UADnC,WAEG,KAAKa,OAAL,CAAa3B,MAFhB,SAE0BU,SAASM,cAFnC,CAAtB;AAGA,WAAKc,QAAL,GAAsB,EAAtB;AACA,WAAKC,QAAL,GAAsB,EAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,CAAtB;;AAEA5C,QAAE,KAAKmC,cAAP,EAAuBU,EAAvB,CAA0BhC,MAAME,MAAhC,EAAwC,UAAC+B,KAAD;AAAA,eAAW,MAAKC,QAAL,CAAcD,KAAd,CAAX;AAAA,OAAxC;;AAEA,WAAKE,OAAL;AACA,WAAKD,QAAL;AACD;;AAGD;;AAWA;;AA/FsB,wBAiGtBC,OAjGsB,sBAiGZ;AAAA;;AACR,UAAMC,aAAa,KAAKd,cAAL,KAAwB,KAAKA,cAAL,CAAoBE,MAA5C,GACjBR,aAAaE,QADI,GACOF,aAAaC,MADvC;;AAGA,UAAMoB,eAAe,KAAKZ,OAAL,CAAa5B,MAAb,KAAwB,MAAxB,GACnBuC,UADmB,GACN,KAAKX,OAAL,CAAa5B,MAD5B;;AAGA,UAAMyC,aAAaD,iBAAiBrB,aAAaE,QAA9B,GACjB,KAAKqB,aAAL,EADiB,GACM,CADzB;;AAGA,WAAKX,QAAL,GAAgB,EAAhB;AACA,WAAKC,QAAL,GAAgB,EAAhB;;AAEA,WAAKE,aAAL,GAAqB,KAAKS,gBAAL,EAArB;;AAEA,UAAMC,UAAUtD,EAAEuD,SAAF,CAAYvD,EAAE,KAAKwC,SAAP,CAAZ,CAAhB;;AAEAc,cACGE,GADH,CACO,UAACxB,OAAD,EAAa;AAChB,YAAIrB,eAAJ;AACA,YAAM8C,iBAAiBC,KAAKC,sBAAL,CAA4B3B,OAA5B,CAAvB;;AAEA,YAAIyB,cAAJ,EAAoB;AAClB9C,mBAASX,EAAEyD,cAAF,EAAkB,CAAlB,CAAT;AACD;;AAED,YAAI9C,MAAJ,EAAY;AACV,cAAMiD,YAAYjD,OAAOkD,qBAAP,EAAlB;AACA,cAAID,UAAUE,KAAV,IAAmBF,UAAUG,MAAjC,EAAyC;AACvC;AACA,mBAAO,CACL/D,EAAEW,MAAF,EAAUuC,YAAV,IAA0Bc,GAA1B,GAAgCb,UAD3B,EAELM,cAFK,CAAP;AAID;AACF;AACD,eAAO,IAAP;AACD,OApBH,EAqBGQ,MArBH,CAqBU,UAACC,IAAD;AAAA,eAAWA,IAAX;AAAA,OArBV,EAsBGC,IAtBH,CAsBQ,UAACC,CAAD,EAAIC,CAAJ;AAAA,eAAaD,EAAE,CAAF,IAAOC,EAAE,CAAF,CAApB;AAAA,OAtBR,EAuBGC,OAvBH,CAuBW,UAACJ,IAAD,EAAU;AACjB,eAAKzB,QAAL,CAAc8B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACA,eAAKxB,QAAL,CAAc6B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACD,OA1BH;AA2BD,KA7IqB;;AAAA,wBA+ItBM,OA/IsB,sBA+IZ;AACRxE,QAAEyE,UAAF,CAAa,KAAKvC,QAAlB,EAA4B/B,QAA5B;AACAH,QAAE,KAAKmC,cAAP,EAAuBuC,GAAvB,CAA2BtE,SAA3B;;AAEA,WAAK8B,QAAL,GAAsB,IAAtB;AACA,WAAKC,cAAL,GAAsB,IAAtB;AACA,WAAKG,OAAL,GAAsB,IAAtB;AACA,WAAKE,SAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACD,KA3JqB;;AA8JtB;;AA9JsB,wBAgKtBL,UAhKsB,uBAgKXN,MAhKW,EAgKH;AACjBA,eAASjC,EAAE2E,MAAF,CAAS,EAAT,EAAanE,OAAb,EAAsByB,MAAtB,CAAT;;AAEA,UAAI,OAAOA,OAAOtB,MAAd,KAAyB,QAA7B,EAAuC;AACrC,YAAIiE,KAAK5E,EAAEiC,OAAOtB,MAAT,EAAiBkE,IAAjB,CAAsB,IAAtB,CAAT;AACA,YAAI,CAACD,EAAL,EAAS;AACPA,eAAKlB,KAAKoB,MAAL,CAAY7E,IAAZ,CAAL;AACAD,YAAEiC,OAAOtB,MAAT,EAAiBkE,IAAjB,CAAsB,IAAtB,EAA4BD,EAA5B;AACD;AACD3C,eAAOtB,MAAP,SAAoBiE,EAApB;AACD;;AAEDlB,WAAKqB,eAAL,CAAqB9E,IAArB,EAA2BgC,MAA3B,EAAmCrB,WAAnC;;AAEA,aAAOqB,MAAP;AACD,KA/KqB;;AAAA,wBAiLtBmB,aAjLsB,4BAiLN;AACd,aAAO,KAAKjB,cAAL,KAAwBE,MAAxB,GACH,KAAKF,cAAL,CAAoB6C,WADjB,GAC+B,KAAK7C,cAAL,CAAoB8C,SAD1D;AAED,KApLqB;;AAAA,wBAsLtB5B,gBAtLsB,+BAsLH;AACjB,aAAO,KAAKlB,cAAL,CAAoB+C,YAApB,IAAoCC,KAAKC,GAAL,CACzCC,SAASC,IAAT,CAAcJ,YAD2B,EAEzCG,SAASE,eAAT,CAAyBL,YAFgB,CAA3C;AAID,KA3LqB;;AAAA,wBA6LtBM,gBA7LsB,+BA6LH;AACjB,aAAO,KAAKrD,cAAL,KAAwBE,MAAxB,GACHA,OAAOoD,WADJ,GACkB,KAAKtD,cAAL,CAAoB0B,qBAApB,GAA4CE,MADrE;AAED,KAhMqB;;AAAA,wBAkMtBhB,QAlMsB,uBAkMX;AACT,UAAMkC,YAAe,KAAK7B,aAAL,KAAuB,KAAKd,OAAL,CAAa7B,MAAzD;AACA,UAAMyE,eAAe,KAAK7B,gBAAL,EAArB;AACA,UAAMqC,YAAe,KAAKpD,OAAL,CAAa7B,MAAb,GACjByE,YADiB,GAEjB,KAAKM,gBAAL,EAFJ;;AAIA,UAAI,KAAK5C,aAAL,KAAuBsC,YAA3B,EAAyC;AACvC,aAAKlC,OAAL;AACD;;AAED,UAAIiC,aAAaS,SAAjB,EAA4B;AAC1B,YAAM/E,SAAS,KAAK+B,QAAL,CAAc,KAAKA,QAAL,CAAciD,MAAd,GAAuB,CAArC,CAAf;;AAEA,YAAI,KAAKhD,aAAL,KAAuBhC,MAA3B,EAAmC;AACjC,eAAKiF,SAAL,CAAejF,MAAf;AACD;AACD;AACD;;AAED,UAAI,KAAKgC,aAAL,IAAsBsC,YAAY,KAAKxC,QAAL,CAAc,CAAd,CAAlC,IAAsD,KAAKA,QAAL,CAAc,CAAd,IAAmB,CAA7E,EAAgF;AAC9E,aAAKE,aAAL,GAAqB,IAArB;AACA,aAAKkD,MAAL;AACA;AACD;;AAED,WAAK,IAAIC,IAAI,KAAKrD,QAAL,CAAckD,MAA3B,EAAmCG,GAAnC,GAAyC;AACvC,YAAMC,iBAAiB,KAAKpD,aAAL,KAAuB,KAAKD,QAAL,CAAcoD,CAAd,CAAvB,IAChBb,aAAa,KAAKxC,QAAL,CAAcqD,CAAd,CADG,KAEf,KAAKrD,QAAL,CAAcqD,IAAI,CAAlB,MAAyBE,SAAzB,IACAf,YAAY,KAAKxC,QAAL,CAAcqD,IAAI,CAAlB,CAHG,CAAvB;;AAKA,YAAIC,cAAJ,EAAoB;AAClB,eAAKH,SAAL,CAAe,KAAKlD,QAAL,CAAcoD,CAAd,CAAf;AACD;AACF;AACF,KAtOqB;;AAAA,wBAwOtBF,SAxOsB,sBAwOZjF,MAxOY,EAwOJ;AAChB,WAAKgC,aAAL,GAAqBhC,MAArB;;AAEA,WAAKkF,MAAL;;AAEA,UAAII,UAAU,KAAKzD,SAAL,CAAe0D,KAAf,CAAqB,GAArB,CAAd;AACAD,gBAAcA,QAAQzC,GAAR,CAAY,UAAC2C,QAAD,EAAc;AACtC,eAAUA,QAAH,sBAA4BxF,MAA5B,YACGwF,QADH,eACqBxF,MADrB,QAAP;AAED,OAHa,CAAd;;AAKA,UAAMyF,QAAQpG,EAAEiG,QAAQI,IAAR,CAAa,GAAb,CAAF,CAAd;;AAEA,UAAID,MAAME,QAAN,CAAerF,UAAUC,aAAzB,CAAJ,EAA6C;AAC3CkF,cAAMG,OAAN,CAAclF,SAASK,QAAvB,EAAiC8E,IAAjC,CAAsCnF,SAASO,eAA/C,EAAgE6E,QAAhE,CAAyExF,UAAUG,MAAnF;AACAgF,cAAMK,QAAN,CAAexF,UAAUG,MAAzB;AACD,OAHD,MAGO;AACL;AACAgF,cAAMK,QAAN,CAAexF,UAAUG,MAAzB;AACA;AACA;AACAgF,cAAMM,OAAN,CAAcrF,SAASE,cAAvB,EAAuCoF,IAAvC,CAA+CtF,SAASG,SAAxD,UAAsEH,SAASI,UAA/E,EAA6FgF,QAA7F,CAAsGxF,UAAUG,MAAhH;AACD;;AAEDpB,QAAE,KAAKmC,cAAP,EAAuByE,OAAvB,CAA+B/F,MAAMC,QAArC,EAA+C;AAC7C+F,uBAAelG;AAD8B,OAA/C;AAGD,KAnQqB;;AAAA,wBAqQtBkF,MArQsB,qBAqQb;AACP7F,QAAE,KAAKwC,SAAP,EAAkByB,MAAlB,CAAyB5C,SAASD,MAAlC,EAA0C0F,WAA1C,CAAsD7F,UAAUG,MAAhE;AACD,KAvQqB;;AA0QtB;;AA1QsB,cA4Qf2F,gBA5Qe,6BA4QE9E,MA5QF,EA4QU;AAC9B,aAAO,KAAK+E,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAYjH,EAAE,IAAF,EAAQiH,IAAR,CAAa9G,QAAb,CAAhB;AACA,YAAMmC,UAAU,QAAOL,MAAP,yCAAOA,MAAP,OAAkB,QAAlB,IAA8BA,MAA9C;;AAEA,YAAI,CAACgF,IAAL,EAAW;AACTA,iBAAO,IAAIlH,SAAJ,CAAc,IAAd,EAAoBuC,OAApB,CAAP;AACAtC,YAAE,IAAF,EAAQiH,IAAR,CAAa9G,QAAb,EAAuB8G,IAAvB;AACD;;AAED,YAAI,OAAOhF,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,cAAIgF,KAAKhF,MAAL,MAAiB+D,SAArB,EAAgC;AAC9B,kBAAM,IAAIkB,KAAJ,uBAA8BjF,MAA9B,OAAN;AACD;AACDgF,eAAKhF,MAAL;AACD;AACF,OAfM,CAAP;AAgBD,KA7RqB;;AAAA;AAAA;AAAA,0BAsFD;AACnB,eAAO/B,OAAP;AACD;AAxFqB;AAAA;AAAA,0BA0FD;AACnB,eAAOM,OAAP;AACD;AA5FqB;;AAAA;AAAA;;AAmSxB;;;;;;AAMAR,IAAEqC,MAAF,EAAUQ,EAAV,CAAahC,MAAMG,aAAnB,EAAkC,YAAM;AACtC,QAAMmG,aAAanH,EAAEuD,SAAF,CAAYvD,EAAEqB,SAASC,QAAX,CAAZ,CAAnB;;AAEA,SAAK,IAAIwE,IAAIqB,WAAWxB,MAAxB,EAAgCG,GAAhC,GAAsC;AACpC,UAAMsB,OAAOpH,EAAEmH,WAAWrB,CAAX,CAAF,CAAb;AACA/F,gBAAUgH,gBAAV,CAA2BM,IAA3B,CAAgCD,IAAhC,EAAsCA,KAAKH,IAAL,EAAtC;AACD;AACF,GAPD;;AAUA;;;;;;AAMAjH,IAAEO,EAAF,CAAKN,IAAL,IAAyBF,UAAUgH,gBAAnC;AACA/G,IAAEO,EAAF,CAAKN,IAAL,EAAWqH,WAAX,GAAyBvH,SAAzB;AACAC,IAAEO,EAAF,CAAKN,IAAL,EAAWsH,UAAX,GAAyB,YAAY;AACnCvH,MAAEO,EAAF,CAAKN,IAAL,IAAaK,kBAAb;AACA,WAAOP,UAAUgH,gBAAjB;AACD,GAHD;;AAKA,SAAOhH,SAAP;AAED,CAlUiB,CAkUfyH,MAlUe,CAAlB","file":"scrollspy.js","sourcesContent":["import Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'scrollspy'\n const VERSION = '4.0.0-alpha.6'\n const DATA_KEY = 'bs.scrollspy'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n const Default = {\n offset : 10,\n method : 'auto',\n target : ''\n }\n\n const DefaultType = {\n offset : 'number',\n method : 'string',\n target : '(string|element)'\n }\n\n const Event = {\n ACTIVATE : `activate${EVENT_KEY}`,\n SCROLL : `scroll${EVENT_KEY}`,\n LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n DROPDOWN_ITEM : 'dropdown-item',\n DROPDOWN_MENU : 'dropdown-menu',\n ACTIVE : 'active'\n }\n\n const Selector = {\n DATA_SPY : '[data-spy=\"scroll\"]',\n ACTIVE : '.active',\n NAV_LIST_GROUP : '.nav, .list-group',\n NAV_LINKS : '.nav-link',\n LIST_ITEMS : '.list-group-item',\n DROPDOWN : '.dropdown',\n DROPDOWN_ITEMS : '.dropdown-item',\n DROPDOWN_TOGGLE : '.dropdown-toggle'\n }\n\n const OffsetMethod = {\n OFFSET : 'offset',\n POSITION : 'position'\n }\n\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class ScrollSpy {\n\n constructor(element, config) {\n this._element = element\n this._scrollElement = element.tagName === 'BODY' ? window : element\n this._config = this._getConfig(config)\n this._selector = `${this._config.target} ${Selector.NAV_LINKS},`\n + `${this._config.target} ${Selector.LIST_ITEMS},`\n + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n this._offsets = []\n this._targets = []\n this._activeTarget = null\n this._scrollHeight = 0\n\n $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n this.refresh()\n this._process()\n }\n\n\n // getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n\n // public\n\n refresh() {\n const autoMethod = this._scrollElement !== this._scrollElement.window ?\n OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n const offsetMethod = this._config.method === 'auto' ?\n autoMethod : this._config.method\n\n const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n this._getScrollTop() : 0\n\n this._offsets = []\n this._targets = []\n\n this._scrollHeight = this._getScrollHeight()\n\n const targets = $.makeArray($(this._selector))\n\n targets\n .map((element) => {\n let target\n const targetSelector = Util.getSelectorFromElement(element)\n\n if (targetSelector) {\n target = $(targetSelector)[0]\n }\n\n if (target) {\n const targetBCR = target.getBoundingClientRect()\n if (targetBCR.width || targetBCR.height) {\n // todo (fat): remove sketch reliance on jQuery position/offset\n return [\n $(target)[offsetMethod]().top + offsetBase,\n targetSelector\n ]\n }\n }\n return null\n })\n .filter((item) => item)\n .sort((a, b) => a[0] - b[0])\n .forEach((item) => {\n this._offsets.push(item[0])\n this._targets.push(item[1])\n })\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n $(this._scrollElement).off(EVENT_KEY)\n\n this._element = null\n this._scrollElement = null\n this._config = null\n this._selector = null\n this._offsets = null\n this._targets = null\n this._activeTarget = null\n this._scrollHeight = null\n }\n\n\n // private\n\n _getConfig(config) {\n config = $.extend({}, Default, config)\n\n if (typeof config.target !== 'string') {\n let id = $(config.target).attr('id')\n if (!id) {\n id = Util.getUID(NAME)\n $(config.target).attr('id', id)\n }\n config.target = `#${id}`\n }\n\n Util.typeCheckConfig(NAME, config, DefaultType)\n\n return config\n }\n\n _getScrollTop() {\n return this._scrollElement === window ?\n this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n }\n\n _getScrollHeight() {\n return this._scrollElement.scrollHeight || Math.max(\n document.body.scrollHeight,\n document.documentElement.scrollHeight\n )\n }\n\n _getOffsetHeight() {\n return this._scrollElement === window ?\n window.innerHeight : this._scrollElement.getBoundingClientRect().height\n }\n\n _process() {\n const scrollTop = this._getScrollTop() + this._config.offset\n const scrollHeight = this._getScrollHeight()\n const maxScroll = this._config.offset\n + scrollHeight\n - this._getOffsetHeight()\n\n if (this._scrollHeight !== scrollHeight) {\n this.refresh()\n }\n\n if (scrollTop >= maxScroll) {\n const target = this._targets[this._targets.length - 1]\n\n if (this._activeTarget !== target) {\n this._activate(target)\n }\n return\n }\n\n if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n this._activeTarget = null\n this._clear()\n return\n }\n\n for (let i = this._offsets.length; i--;) {\n const isActiveTarget = this._activeTarget !== this._targets[i]\n && scrollTop >= this._offsets[i]\n && (this._offsets[i + 1] === undefined ||\n scrollTop < this._offsets[i + 1])\n\n if (isActiveTarget) {\n this._activate(this._targets[i])\n }\n }\n }\n\n _activate(target) {\n this._activeTarget = target\n\n this._clear()\n\n let queries = this._selector.split(',')\n queries = queries.map((selector) => {\n return `${selector}[data-target=\"${target}\"],` +\n `${selector}[href=\"${target}\"]`\n })\n\n const $link = $(queries.join(','))\n\n if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n $link.addClass(ClassName.ACTIVE)\n } else {\n // Set triggered link as active\n $link.addClass(ClassName.ACTIVE)\n // Set triggered links parents as active\n // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)\n }\n\n $(this._scrollElement).trigger(Event.ACTIVATE, {\n relatedTarget: target\n })\n }\n\n _clear() {\n $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n }\n\n\n // static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n let data = $(this).data(DATA_KEY)\n const _config = typeof config === 'object' && config\n\n if (!data) {\n data = new ScrollSpy(this, _config)\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]()\n }\n })\n }\n\n\n }\n\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(window).on(Event.LOAD_DATA_API, () => {\n const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n for (let i = scrollSpys.length; i--;) {\n const $spy = $(scrollSpys[i])\n ScrollSpy._jQueryInterface.call($spy, $spy.data())\n }\n })\n\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = ScrollSpy._jQueryInterface\n $.fn[NAME].Constructor = ScrollSpy\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return ScrollSpy._jQueryInterface\n }\n\n return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
Reference in New Issue View Git Blame Copy Permalink