codekingpro/portable-devtools

1/*!2  * Bootstrap scrollspy.js v4.6.2 (https://getbootstrap.com/)3  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)4  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)5  */6(function (global, factory) {7  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('./util.js')) :8  typeof define === 'function' && define.amd ? define(['jquery', './util'], factory) :9  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.ScrollSpy = factory(global.jQuery, global.Util));10})(this, (function ($, Util) { 'use strict';11 12  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }13 14  var $__default = /*#__PURE__*/_interopDefaultLegacy($);15  var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util);16 17  function _defineProperties(target, props) {18    for (var i = 0; i < props.length; i++) {19      var descriptor = props[i];20      descriptor.enumerable = descriptor.enumerable || false;21      descriptor.configurable = true;22      if ("value" in descriptor) descriptor.writable = true;23      Object.defineProperty(target, descriptor.key, descriptor);24    }25  }26 27  function _createClass(Constructor, protoProps, staticProps) {28    if (protoProps) _defineProperties(Constructor.prototype, protoProps);29    if (staticProps) _defineProperties(Constructor, staticProps);30    Object.defineProperty(Constructor, "prototype", {31      writable: false32    });33    return Constructor;34  }35 36  function _extends() {37    _extends = Object.assign ? Object.assign.bind() : function (target) {38      for (var i = 1; i < arguments.length; i++) {39        var source = arguments[i];40 41        for (var key in source) {42          if (Object.prototype.hasOwnProperty.call(source, key)) {43            target[key] = source[key];44          }45        }46      }47 48      return target;49    };50    return _extends.apply(this, arguments);51  }52 53  /**54   * Constants55   */56 57  var NAME = 'scrollspy';58  var VERSION = '4.6.2';59  var DATA_KEY = 'bs.scrollspy';60  var EVENT_KEY = "." + DATA_KEY;61  var DATA_API_KEY = '.data-api';62  var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME];63  var CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item';64  var CLASS_NAME_ACTIVE = 'active';65  var EVENT_ACTIVATE = "activate" + EVENT_KEY;66  var EVENT_SCROLL = "scroll" + EVENT_KEY;67  var EVENT_LOAD_DATA_API = "load" + EVENT_KEY + DATA_API_KEY;68  var METHOD_OFFSET = 'offset';69  var METHOD_POSITION = 'position';70  var SELECTOR_DATA_SPY = '[data-spy="scroll"]';71  var SELECTOR_NAV_LIST_GROUP = '.nav, .list-group';72  var SELECTOR_NAV_LINKS = '.nav-link';73  var SELECTOR_NAV_ITEMS = '.nav-item';74  var SELECTOR_LIST_ITEMS = '.list-group-item';75  var SELECTOR_DROPDOWN = '.dropdown';76  var SELECTOR_DROPDOWN_ITEMS = '.dropdown-item';77  var SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';78  var Default = {79    offset: 10,80    method: 'auto',81    target: ''82  };83  var DefaultType = {84    offset: 'number',85    method: 'string',86    target: '(string|element)'87  };88  /**89   * Class definition90   */91 92  var ScrollSpy = /*#__PURE__*/function () {93    function ScrollSpy(element, config) {94      var _this = this;95 96      this._element = element;97      this._scrollElement = element.tagName === 'BODY' ? window : element;98      this._config = this._getConfig(config);99      this._selector = this._config.target + " " + SELECTOR_NAV_LINKS + "," + (this._config.target + " " + SELECTOR_LIST_ITEMS + ",") + (this._config.target + " " + SELECTOR_DROPDOWN_ITEMS);100      this._offsets = [];101      this._targets = [];102      this._activeTarget = null;103      this._scrollHeight = 0;104      $__default["default"](this._scrollElement).on(EVENT_SCROLL, function (event) {105        return _this._process(event);106      });107      this.refresh();108 109      this._process();110    } // Getters111 112 113    var _proto = ScrollSpy.prototype;114 115    // Public116    _proto.refresh = function refresh() {117      var _this2 = this;118 119      var autoMethod = this._scrollElement === this._scrollElement.window ? METHOD_OFFSET : METHOD_POSITION;120      var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;121      var offsetBase = offsetMethod === METHOD_POSITION ? this._getScrollTop() : 0;122      this._offsets = [];123      this._targets = [];124      this._scrollHeight = this._getScrollHeight();125      var targets = [].slice.call(document.querySelectorAll(this._selector));126      targets.map(function (element) {127        var target;128        var targetSelector = Util__default["default"].getSelectorFromElement(element);129 130        if (targetSelector) {131          target = document.querySelector(targetSelector);132        }133 134        if (target) {135          var targetBCR = target.getBoundingClientRect();136 137          if (targetBCR.width || targetBCR.height) {138            // TODO (fat): remove sketch reliance on jQuery position/offset139            return [$__default["default"](target)[offsetMethod]().top + offsetBase, targetSelector];140          }141        }142 143        return null;144      }).filter(Boolean).sort(function (a, b) {145        return a[0] - b[0];146      }).forEach(function (item) {147        _this2._offsets.push(item[0]);148 149        _this2._targets.push(item[1]);150      });151    };152 153    _proto.dispose = function dispose() {154      $__default["default"].removeData(this._element, DATA_KEY);155      $__default["default"](this._scrollElement).off(EVENT_KEY);156      this._element = null;157      this._scrollElement = null;158      this._config = null;159      this._selector = null;160      this._offsets = null;161      this._targets = null;162      this._activeTarget = null;163      this._scrollHeight = null;164    } // Private165    ;166 167    _proto._getConfig = function _getConfig(config) {168      config = _extends({}, Default, typeof config === 'object' && config ? config : {});169 170      if (typeof config.target !== 'string' && Util__default["default"].isElement(config.target)) {171        var id = $__default["default"](config.target).attr('id');172 173        if (!id) {174          id = Util__default["default"].getUID(NAME);175          $__default["default"](config.target).attr('id', id);176        }177 178        config.target = "#" + id;179      }180 181      Util__default["default"].typeCheckConfig(NAME, config, DefaultType);182      return config;183    };184 185    _proto._getScrollTop = function _getScrollTop() {186      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;187    };188 189    _proto._getScrollHeight = function _getScrollHeight() {190      return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);191    };192 193    _proto._getOffsetHeight = function _getOffsetHeight() {194      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;195    };196 197    _proto._process = function _process() {198      var scrollTop = this._getScrollTop() + this._config.offset;199 200      var scrollHeight = this._getScrollHeight();201 202      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();203 204      if (this._scrollHeight !== scrollHeight) {205        this.refresh();206      }207 208      if (scrollTop >= maxScroll) {209        var target = this._targets[this._targets.length - 1];210 211        if (this._activeTarget !== target) {212          this._activate(target);213        }214 215        return;216      }217 218      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {219        this._activeTarget = null;220 221        this._clear();222 223        return;224      }225 226      for (var i = this._offsets.length; i--;) {227        var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);228 229        if (isActiveTarget) {230          this._activate(this._targets[i]);231        }232      }233    };234 235    _proto._activate = function _activate(target) {236      this._activeTarget = target;237 238      this._clear();239 240      var queries = this._selector.split(',').map(function (selector) {241        return selector + "[data-target=\"" + target + "\"]," + selector + "[href=\"" + target + "\"]";242      });243 244      var $link = $__default["default"]([].slice.call(document.querySelectorAll(queries.join(','))));245 246      if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {247        $link.closest(SELECTOR_DROPDOWN).find(SELECTOR_DROPDOWN_TOGGLE).addClass(CLASS_NAME_ACTIVE);248        $link.addClass(CLASS_NAME_ACTIVE);249      } else {250        // Set triggered link as active251        $link.addClass(CLASS_NAME_ACTIVE); // Set triggered links parents as active252        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor253 254        $link.parents(SELECTOR_NAV_LIST_GROUP).prev(SELECTOR_NAV_LINKS + ", " + SELECTOR_LIST_ITEMS).addClass(CLASS_NAME_ACTIVE); // Handle special case when .nav-link is inside .nav-item255 256        $link.parents(SELECTOR_NAV_LIST_GROUP).prev(SELECTOR_NAV_ITEMS).children(SELECTOR_NAV_LINKS).addClass(CLASS_NAME_ACTIVE);257      }258 259      $__default["default"](this._scrollElement).trigger(EVENT_ACTIVATE, {260        relatedTarget: target261      });262    };263 264    _proto._clear = function _clear() {265      [].slice.call(document.querySelectorAll(this._selector)).filter(function (node) {266        return node.classList.contains(CLASS_NAME_ACTIVE);267      }).forEach(function (node) {268        return node.classList.remove(CLASS_NAME_ACTIVE);269      });270    } // Static271    ;272 273    ScrollSpy._jQueryInterface = function _jQueryInterface(config) {274      return this.each(function () {275        var data = $__default["default"](this).data(DATA_KEY);276 277        var _config = typeof config === 'object' && config;278 279        if (!data) {280          data = new ScrollSpy(this, _config);281          $__default["default"](this).data(DATA_KEY, data);282        }283 284        if (typeof config === 'string') {285          if (typeof data[config] === 'undefined') {286            throw new TypeError("No method named \"" + config + "\"");287          }288 289          data[config]();290        }291      });292    };293 294    _createClass(ScrollSpy, null, [{295      key: "VERSION",296      get: function get() {297        return VERSION;298      }299    }, {300      key: "Default",301      get: function get() {302        return Default;303      }304    }]);305 306    return ScrollSpy;307  }();308  /**309   * Data API implementation310   */311 312 313  $__default["default"](window).on(EVENT_LOAD_DATA_API, function () {314    var scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY));315    var scrollSpysLength = scrollSpys.length;316 317    for (var i = scrollSpysLength; i--;) {318      var $spy = $__default["default"](scrollSpys[i]);319 320      ScrollSpy._jQueryInterface.call($spy, $spy.data());321    }322  });323  /**324   * jQuery325   */326 327  $__default["default"].fn[NAME] = ScrollSpy._jQueryInterface;328  $__default["default"].fn[NAME].Constructor = ScrollSpy;329 330  $__default["default"].fn[NAME].noConflict = function () {331    $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT;332    return ScrollSpy._jQueryInterface;333  };334 335  return ScrollSpy;336 337}));338//# sourceMappingURL=scrollspy.js.map339