Initial commit.HEADmaster

1 files changed, 320 insertions, 0 deletions

diff --git a/src/js/bootstrap4/dist/scrollspy.js b/src/js/bootstrap4/dist/scrollspy.js
new file mode 100644
index 0000000..a57b848
--- /dev/null
+++ b/src/js/bootstrap4/dist/scrollspy.js
@@ -0,0 +1,320 @@
+'use strict';
+
+var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-alpha.2): scrollspy.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+var ScrollSpy = (function ($) {
+
+  /**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+
+  var NAME = 'scrollspy';
+  var VERSION = '4.0.0-alpha';
+  var DATA_KEY = 'bs.scrollspy';
+  var EVENT_KEY = '.' + DATA_KEY;
+  var DATA_API_KEY = '.data-api';
+  var JQUERY_NO_CONFLICT = $.fn[NAME];
+
+  var Default = {
+    offset: 10,
+    method: 'auto',
+    target: ''
+  };
+
+  var DefaultType = {
+    offset: 'number',
+    method: 'string',
+    target: '(string|element)'
+  };
+
+  var Event = {
+    ACTIVATE: 'activate' + EVENT_KEY,
+    SCROLL: 'scroll' + EVENT_KEY,
+    LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY
+  };
+
+  var ClassName = {
+    DROPDOWN_ITEM: 'dropdown-item',
+    DROPDOWN_MENU: 'dropdown-menu',
+    NAV_LINK: 'nav-link',
+    NAV: 'nav',
+    ACTIVE: 'active'
+  };
+
+  var Selector = {
+    DATA_SPY: '[data-spy="scroll"]',
+    ACTIVE: '.active',
+    LIST_ITEM: '.list-item',
+    LI: 'li',
+    LI_DROPDOWN: 'li.dropdown',
+    NAV_LINKS: '.nav-link',
+    DROPDOWN: '.dropdown',
+    DROPDOWN_ITEMS: '.dropdown-item',
+    DROPDOWN_TOGGLE: '.dropdown-toggle'
+  };
+
+  var OffsetMethod = {
+    OFFSET: 'offset',
+    POSITION: 'position'
+  };
+
+  /**
+   * ------------------------------------------------------------------------
+   * Class Definition
+   * ------------------------------------------------------------------------
+   */
+
+  var ScrollSpy = (function () {
+    function ScrollSpy(element, config) {
+      _classCallCheck(this, ScrollSpy);
+
+      this._element = element;
+      this._scrollElement = element.tagName === 'BODY' ? window : element;
+      this._config = this._getConfig(config);
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
+      this._offsets = [];
+      this._targets = [];
+      this._activeTarget = null;
+      this._scrollHeight = 0;
+
+      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this));
+
+      this.refresh();
+      this._process();
+    }
+
+    /**
+     * ------------------------------------------------------------------------
+     * Data Api implementation
+     * ------------------------------------------------------------------------
+     */
+
+    // getters
+
+    _createClass(ScrollSpy, [{
+      key: 'refresh',
+
+      // public
+
+      value: function refresh() {
+        var _this = this;
+
+        var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
+
+        var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
+
+        var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
+
+        this._offsets = [];
+        this._targets = [];
+
+        this._scrollHeight = this._getScrollHeight();
+
+        var targets = $.makeArray($(this._selector));
+
+        targets.map(function (element) {
+          var target = undefined;
+          var targetSelector = Util.getSelectorFromElement(element);
+
+          if (targetSelector) {
+            target = $(targetSelector)[0];
+          }
+
+          if (target && (target.offsetWidth || target.offsetHeight)) {
+            // todo (fat): remove sketch reliance on jQuery position/offset
+            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
+        }).filter(function (item) {
+          return item;
+        }).sort(function (a, b) {
+          return a[0] - b[0];
+        }).forEach(function (item) {
+          _this._offsets.push(item[0]);
+          _this._targets.push(item[1]);
+        });
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+        $(this._scrollElement).off(EVENT_KEY);
+
+        this._element = null;
+        this._scrollElement = null;
+        this._config = null;
+        this._selector = null;
+        this._offsets = null;
+        this._targets = null;
+        this._activeTarget = null;
+        this._scrollHeight = null;
+      }
+
+      // private
+
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+
+        if (typeof config.target !== 'string') {
+          var id = $(config.target).attr('id');
+          if (!id) {
+            id = Util.getUID(NAME);
+            $(config.target).attr('id', id);
+          }
+          config.target = '#' + id;
+        }
+
+        Util.typeCheckConfig(NAME, config, DefaultType);
+
+        return config;
+      }
+    }, {
+      key: '_getScrollTop',
+      value: function _getScrollTop() {
+        return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
+      }
+    }, {
+      key: '_getScrollHeight',
+      value: function _getScrollHeight() {
+        return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
+      }
+    }, {
+      key: '_process',
+      value: function _process() {
+        var scrollTop = this._getScrollTop() + this._config.offset;
+        var scrollHeight = this._getScrollHeight();
+        var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight;
+
+        if (this._scrollHeight !== scrollHeight) {
+          this.refresh();
+        }
+
+        if (scrollTop >= maxScroll) {
+          var target = this._targets[this._targets.length - 1];
+
+          if (this._activeTarget !== target) {
+            this._activate(target);
+          }
+        }
+
+        if (this._activeTarget && scrollTop < this._offsets[0]) {
+          this._activeTarget = null;
+          this._clear();
+          return;
+        }
+
+        for (var i = this._offsets.length; i--;) {
+          var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (this._offsets[i + 1] === undefined || scrollTop < this._offsets[i + 1]);
+
+          if (isActiveTarget) {
+            this._activate(this._targets[i]);
+          }
+        }
+      }
+    }, {
+      key: '_activate',
+      value: function _activate(target) {
+        this._activeTarget = target;
+
+        this._clear();
+
+        var queries = this._selector.split(',');
+        queries = queries.map(function (selector) {
+          return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+        });
+
+        var $link = $(queries.join(','));
+
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // todo (fat) this is kinda sus…
+          // recursively add actives to tested nav-links
+          $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        }
+
+        $(this._scrollElement).trigger(Event.ACTIVATE, {
+          relatedTarget: target
+        });
+      }
+    }, {
+      key: '_clear',
+      value: function _clear() {
+        $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
+      }
+
+      // static
+
+    }], [{
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var data = $(this).data(DATA_KEY);
+          var _config = typeof config === 'object' && config || null;
+
+          if (!data) {
+            data = new ScrollSpy(this, _config);
+            $(this).data(DATA_KEY, data);
+          }
+
+          if (typeof config === 'string') {
+            if (data[config] === undefined) {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
+      key: 'VERSION',
+      get: function get() {
+        return VERSION;
+      }
+    }, {
+      key: 'Default',
+      get: function get() {
+        return Default;
+      }
+    }]);
+
+    return ScrollSpy;
+  })();
+
+  $(window).on(Event.LOAD_DATA_API, function () {
+    var scrollSpys = $.makeArray($(Selector.DATA_SPY));
+
+    for (var i = scrollSpys.length; i--;) {
+      var $spy = $(scrollSpys[i]);
+      ScrollSpy._jQueryInterface.call($spy, $spy.data());
+    }
+  });
+
+  /**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+
+  $.fn[NAME] = ScrollSpy._jQueryInterface;
+  $.fn[NAME].Constructor = ScrollSpy;
+  $.fn[NAME].noConflict = function () {
+    $.fn[NAME] = JQUERY_NO_CONFLICT;
+    return ScrollSpy._jQueryInterface;
+  };
+
+  return ScrollSpy;
+})(jQuery);
+//# sourceMappingURL=scrollspy.js.map