update to latest bs4 from git and change hidden-* classes to d-*

library/bootstrap/js/bootstrap.js

@@ -141,13 +141,16 @@ var Util = function ($) {
     },
     getSelectorFromElement: function getSelectorFromElement(element) {
       var selector = element.getAttribute('data-target');
-
-      if (!selector) {
+      if (!selector || selector === '#') {
         selector = element.getAttribute('href') || '';
-        selector = /^#[a-z]/i.test(selector) ? selector : null;
       }
 
-      return selector;
+      try {
+        var $selector = $(selector);
+        return $selector.length > 0 ? selector : null;
+      } catch (error) {
+        return null;
+      }
     },
     reflow: function reflow(element) {
       return element.offsetHeight;
@@ -1055,7 +1058,8 @@ var Collapse = function ($) {
 
   var Selector = {
     ACTIVES: '.card > .show, .card > .collapsing',
-    DATA_TOGGLE: '[data-toggle="collapse"]'
+    DATA_TOGGLE: '[data-toggle="collapse"]',
+    DATA_CHILDREN: 'data-children'
   };
 
   /**
@@ -1072,13 +1076,20 @@ var Collapse = function ($) {
       this._element = element;
       this._config = this._getConfig(config);
       this._triggerArray = $.makeArray($('[data-toggle="collapse"][href="#' + element.id + '"],' + ('[data-toggle="collapse"][data-target="#' + element.id + '"]')));
-
       this._parent = this._config.parent ? this._getParent() : null;
 
       if (!this._config.parent) {
         this._addAriaAndCollapsedClass(this._element, this._triggerArray);
       }
 
+      this._selectorActives = Selector.ACTIVES;
+      if (this._parent) {
+        var childrenSelector = this._parent.hasAttribute(Selector.DATA_CHILDREN) ? this._parent.getAttribute(Selector.DATA_CHILDREN) : null;
+        if (childrenSelector !== null) {
+          this._selectorActives = childrenSelector + ' > .show, ' + childrenSelector + ' > .collapsing';
+        }
+      }
+
       if (this._config.toggle) {
         this.toggle();
       }
@@ -1111,7 +1122,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).find(this._selectorActives));
         if (!actives.length) {
           actives = null;
         }
@@ -1191,9 +1202,8 @@ var Collapse = function ($) {
       }
 
       var dimension = this._getDimension();
-      var offsetDimension = dimension === Dimension.WIDTH ? 'offsetWidth' : 'offsetHeight';
 
-      this._element.style[dimension] = this._element[offsetDimension] + 'px';
+      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
       Util.reflow(this._element);
 
@@ -1440,15 +1450,6 @@ var Dropdown = function ($) {
         return false;
       }
 
-      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
-
-        // if mobile we use a backdrop because click events don't delegate
-        var dropdown = document.createElement('div');
-        dropdown.className = ClassName.BACKDROP;
-        $(dropdown).insertBefore(this);
-        $(dropdown).on('click', Dropdown._clearMenus);
-      }
-
       var relatedTarget = {
         relatedTarget: this
       };
@@ -1460,6 +1461,16 @@ var Dropdown = function ($) {
         return false;
       }
 
+      // set the backdrop only if the dropdown menu will be opened
+      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+
+        // if mobile we use a backdrop because click events don't delegate
+        var dropdown = document.createElement('div');
+        dropdown.className = ClassName.BACKDROP;
+        $(dropdown).insertBefore(this);
+        $(dropdown).on('click', Dropdown._clearMenus);
+      }
+
       this.focus();
       this.setAttribute('aria-expanded', true);
 
@@ -1506,11 +1517,6 @@ var Dropdown = function ($) {
         return;
       }
 
-      var backdrop = $(Selector.BACKDROP)[0];
-      if (backdrop) {
-        backdrop.parentNode.removeChild(backdrop);
-      }
-
       var toggles = $.makeArray($(Selector.DATA_TOGGLE));
 
       for (var i = 0; i < toggles.length; i++) {
@@ -1533,6 +1539,12 @@ var Dropdown = function ($) {
           continue;
         }
 
+        // remove backdrop only if the dropdown menu will be hidden
+        var backdrop = $(parent).find(Selector.BACKDROP)[0];
+        if (backdrop) {
+          backdrop.parentNode.removeChild(backdrop);
+        }
+
         toggles[i].setAttribute('aria-expanded', 'false');
 
         $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
@@ -2069,7 +2081,7 @@ var Modal = function ($) {
       var scrollDiv = document.createElement('div');
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
       document.body.appendChild(scrollDiv);
-      var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
+      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
       document.body.removeChild(scrollDiv);
       return scrollbarWidth;
     };
@@ -2288,9 +2300,12 @@ var ScrollSpy = function ($) {
           target = $(targetSelector)[0];
         }
 
-        if (target && (target.offsetWidth || target.offsetHeight)) {
-          // todo (fat): remove sketch reliance on jQuery position/offset
-          return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+        if (target) {
+          var targetBCR = target.getBoundingClientRect();
+          if (targetBCR.width || targetBCR.height) {
+            // todo (fat): remove sketch reliance on jQuery position/offset
+            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
         }
         return null;
       }).filter(function (item) {
@@ -2345,7 +2360,7 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
     };
 
     ScrollSpy.prototype._process = function _process() {
@@ -2521,10 +2536,10 @@ var Tab = function ($) {
     A: 'a',
     LI: 'li',
     DROPDOWN: '.dropdown',
-    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
-    FADE_CHILD: '> .nav-item .fade, > .fade',
+    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu), .list-group:not(.dropdown-menu)',
+    FADE_CHILD: '> .nav-item .fade, > .list-group-item .fade, > .fade',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .nav-item > .active, > .active',
+    ACTIVE_CHILD: '> .nav-item > .active, > .list-group-item > .active, > .active',
     DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
     DROPDOWN_TOGGLE: '.dropdown-toggle',
     DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
@@ -2639,6 +2654,9 @@ var Tab = function ($) {
     Tab.prototype._transitionComplete = function _transitionComplete(element, active, isTransitioning, callback) {
       if (active) {
         $(active).removeClass(ClassName.ACTIVE);
+        if ($(active).hasClass('list-group-item')) {
+          $(active).find('a.nav-link').removeClass(ClassName.ACTIVE);
+        }
 
         var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
 
@@ -2650,6 +2668,9 @@ var Tab = function ($) {
       }
 
       $(element).addClass(ClassName.ACTIVE);
+      if ($(element.parentNode).hasClass('list-group-item')) {
+        $(element.parentNode).addClass(ClassName.ACTIVE);
+      }
       element.setAttribute('aria-expanded', true);
 
       if (isTransitioning) {