dist

js/dist/collapse.js

+'use strict';
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 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; }; }();
@@ -11,7 +13,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
  * --------------------------------------------------------------------------
  */
 
-var Collapse = function ($) {
+var Collapse = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -98,222 +100,237 @@ var Collapse = function ($) {
 
     // getters
 
-    // public
-
-    Collapse.prototype.toggle = function toggle() {
-      if ($(this._element).hasClass(ClassName.SHOW)) {
-        this.hide();
-      } else {
-        this.show();
-      }
-    };
+    _createClass(Collapse, [{
+      key: 'toggle',
 
-    Collapse.prototype.show = function show() {
-      var _this = this;
-
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
-        return;
-      }
 
-      var actives = void 0;
-      var activesData = void 0;
+      // public
 
-      if (this._parent) {
-        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
-        if (!actives.length) {
-          actives = null;
+      value: function toggle() {
+        if ($(this._element).hasClass(ClassName.SHOW)) {
+          this.hide();
+        } else {
+          this.show();
         }
       }
+    }, {
+      key: 'show',
+      value: function show() {
+        var _this = this;
 
-      if (actives) {
-        activesData = $(actives).data(DATA_KEY);
-        if (activesData && activesData._isTransitioning) {
+        if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
           return;
         }
-      }
 
-      var startEvent = $.Event(Event.SHOW);
-      $(this._element).trigger(startEvent);
-      if (startEvent.isDefaultPrevented()) {
-        return;
-      }
+        var actives = void 0;
+        var activesData = void 0;
 
-      if (actives) {
-        Collapse._jQueryInterface.call($(actives), 'hide');
-        if (!activesData) {
-          $(actives).data(DATA_KEY, null);
+        if (this._parent) {
+          actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
+          if (!actives.length) {
+            actives = null;
+          }
         }
-      }
 
-      var dimension = this._getDimension();
+        if (actives) {
+          activesData = $(actives).data(DATA_KEY);
+          if (activesData && activesData._isTransitioning) {
+            return;
+          }
+        }
 
-      $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
+        var startEvent = $.Event(Event.SHOW);
+        $(this._element).trigger(startEvent);
+        if (startEvent.isDefaultPrevented()) {
+          return;
+        }
 
-      this._element.style[dimension] = 0;
+        if (actives) {
+          Collapse._jQueryInterface.call($(actives), 'hide');
+          if (!activesData) {
+            $(actives).data(DATA_KEY, null);
+          }
+        }
 
-      if (this._triggerArray.length) {
-        $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
-      }
+        var dimension = this._getDimension();
 
-      this.setTransitioning(true);
+        $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
 
-      var complete = function complete() {
-        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
+        this._element.style[dimension] = 0;
 
-        _this._element.style[dimension] = '';
+        if (this._triggerArray.length) {
+          $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
+        }
 
-        _this.setTransitioning(false);
+        this.setTransitioning(true);
 
-        $(_this._element).trigger(Event.SHOWN);
-      };
+        var complete = function complete() {
+          $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
 
-      if (!Util.supportsTransitionEnd()) {
-        complete();
-        return;
-      }
+          _this._element.style[dimension] = '';
 
-      var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
-      var scrollSize = 'scroll' + capitalizedDimension;
+          _this.setTransitioning(false);
 
-      $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+          $(_this._element).trigger(Event.SHOWN);
+        };
 
-      this._element.style[dimension] = this._element[scrollSize] + 'px';
-    };
+        if (!Util.supportsTransitionEnd()) {
+          complete();
+          return;
+        }
 
-    Collapse.prototype.hide = function hide() {
-      var _this2 = this;
+        var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
+        var scrollSize = 'scroll' + capitalizedDimension;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
-        return;
-      }
+        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
 
-      var startEvent = $.Event(Event.HIDE);
-      $(this._element).trigger(startEvent);
-      if (startEvent.isDefaultPrevented()) {
-        return;
+        this._element.style[dimension] = this._element[scrollSize] + 'px';
       }
+    }, {
+      key: 'hide',
+      value: function hide() {
+        var _this2 = this;
 
-      var dimension = this._getDimension();
-
-      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
-
-      Util.reflow(this._element);
-
-      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
+        if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
+          return;
+        }
 
-      if (this._triggerArray.length) {
-        for (var i = 0; i < this._triggerArray.length; i++) {
-          var trigger = this._triggerArray[i];
-          var selector = Util.getSelectorFromElement(trigger);
-          if (selector !== null) {
-            var $elem = $(selector);
-            if (!$elem.hasClass(ClassName.SHOW)) {
-              $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
-            }
-          }
+        var startEvent = $.Event(Event.HIDE);
+        $(this._element).trigger(startEvent);
+        if (startEvent.isDefaultPrevented()) {
+          return;
         }
-      }
 
-      this.setTransitioning(true);
+        var dimension = this._getDimension();
 
-      var complete = function complete() {
-        _this2.setTransitioning(false);
-        $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
-      };
+        this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
-      this._element.style[dimension] = '';
+        Util.reflow(this._element);
 
-      if (!Util.supportsTransitionEnd()) {
-        complete();
-        return;
-      }
+        $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
-      $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
-    };
-
-    Collapse.prototype.setTransitioning = function setTransitioning(isTransitioning) {
-      this._isTransitioning = isTransitioning;
-    };
+        if (this._triggerArray.length) {
+          for (var i = 0; i < this._triggerArray.length; i++) {
+            var trigger = this._triggerArray[i];
+            var selector = Util.getSelectorFromElement(trigger);
+            if (selector !== null) {
+              var $elem = $(selector);
+              if (!$elem.hasClass(ClassName.SHOW)) {
+                $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
+              }
+            }
+          }
+        }
 
-    Collapse.prototype.dispose = function dispose() {
-      $.removeData(this._element, DATA_KEY);
+        this.setTransitioning(true);
 
-      this._config = null;
-      this._parent = null;
-      this._element = null;
-      this._triggerArray = null;
-      this._isTransitioning = null;
-    };
+        var complete = function complete() {
+          _this2.setTransitioning(false);
+          $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
+        };
 
-    // private
+        this._element.style[dimension] = '';
 
-    Collapse.prototype._getConfig = function _getConfig(config) {
-      config = $.extend({}, Default, config);
-      config.toggle = Boolean(config.toggle); // coerce string values
-      Util.typeCheckConfig(NAME, config, DefaultType);
-      return config;
-    };
+        if (!Util.supportsTransitionEnd()) {
+          complete();
+          return;
+        }
 
-    Collapse.prototype._getDimension = function _getDimension() {
-      var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
-      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
-    };
+        $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
+      }
+    }, {
+      key: 'setTransitioning',
+      value: function setTransitioning(isTransitioning) {
+        this._isTransitioning = isTransitioning;
+      }
+    }, {
+      key: 'dispose',
+      value: function dispose() {
+        $.removeData(this._element, DATA_KEY);
+
+        this._config = null;
+        this._parent = null;
+        this._element = null;
+        this._triggerArray = null;
+        this._isTransitioning = null;
+      }
 
-    Collapse.prototype._getParent = function _getParent() {
-      var _this3 = this;
+      // private
 
-      var parent = $(this._config.parent)[0];
-      var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
+    }, {
+      key: '_getConfig',
+      value: function _getConfig(config) {
+        config = $.extend({}, Default, config);
+        config.toggle = Boolean(config.toggle); // coerce string values
+        Util.typeCheckConfig(NAME, config, DefaultType);
+        return config;
+      }
+    }, {
+      key: '_getDimension',
+      value: function _getDimension() {
+        var hasWidth = $(this._element).hasClass(Dimension.WIDTH);
+        return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
+      }
+    }, {
+      key: '_getParent',
+      value: function _getParent() {
+        var _this3 = this;
 
-      $(parent).find(selector).each(function (i, element) {
-        _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
-      });
+        var parent = $(this._config.parent)[0];
+        var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
 
-      return parent;
-    };
+        $(parent).find(selector).each(function (i, element) {
+          _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
+        });
 
-    Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
-      if (element) {
-        var isOpen = $(element).hasClass(ClassName.SHOW);
+        return parent;
+      }
+    }, {
+      key: '_addAriaAndCollapsedClass',
+      value: function _addAriaAndCollapsedClass(element, triggerArray) {
+        if (element) {
+          var isOpen = $(element).hasClass(ClassName.SHOW);
 
-        if (triggerArray.length) {
-          $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+          if (triggerArray.length) {
+            $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
+          }
         }
       }
-    };
-
-    // static
 
-    Collapse._getTargetFromElement = function _getTargetFromElement(element) {
-      var selector = Util.getSelectorFromElement(element);
-      return selector ? $(selector)[0] : null;
-    };
+      // static
 
-    Collapse._jQueryInterface = function _jQueryInterface(config) {
-      return this.each(function () {
-        var $this = $(this);
-        var data = $this.data(DATA_KEY);
-        var _config = $.extend({}, Default, $this.data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
-
-        if (!data && _config.toggle && /show|hide/.test(config)) {
-          _config.toggle = false;
-        }
-
-        if (!data) {
-          data = new Collapse(this, _config);
-          $this.data(DATA_KEY, data);
-        }
+    }], [{
+      key: '_getTargetFromElement',
+      value: function _getTargetFromElement(element) {
+        var selector = Util.getSelectorFromElement(element);
+        return selector ? $(selector)[0] : null;
+      }
+    }, {
+      key: '_jQueryInterface',
+      value: function _jQueryInterface(config) {
+        return this.each(function () {
+          var $this = $(this);
+          var data = $this.data(DATA_KEY);
+          var _config = $.extend({}, Default, $this.data(), (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config);
+
+          if (!data && _config.toggle && /show|hide/.test(config)) {
+            _config.toggle = false;
+          }
 
-        if (typeof config === 'string') {
-          if (data[config] === undefined) {
-            throw new Error('No method named "' + config + '"');
+          if (!data) {
+            data = new Collapse(this, _config);
+            $this.data(DATA_KEY, data);
           }
-          data[config]();
-        }
-      });
-    };
 
-    _createClass(Collapse, null, [{
+          if (typeof config === 'string') {
+            if (typeof data[config] === 'undefined') {
+              throw new Error('No method named "' + config + '"');
+            }
+            data[config]();
+          }
+        });
+      }
+    }, {
       key: 'VERSION',
       get: function get() {
         return VERSION;
@@ -335,7 +352,8 @@ var Collapse = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    if (!/input|textarea/i.test(event.target.tagName)) {
+    // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
+    if (event.target.tagName === 'A' && !$.contains(this, event.target)) {
       event.preventDefault();
     }
 

js/dist/index.js

+'use strict';
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-alpha.6): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+(function () {
+  if (typeof jQuery === 'undefined') {
+    throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
+  }
+
+  var version = $.fn.jquery.split(' ')[0].split('.');
+  var min = 3;
+  var max = 4;
+  if (version[0] < min || version[0] >= max) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  }
+})(jQuery);
+//# sourceMappingURL=index.js.map
\ No newline at end of file

js/dist/util.js

+'use strict';
+
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.0.0-beta): util.js
@@ -5,7 +7,7 @@
  * --------------------------------------------------------------------------
  */
 
-var Util = function ($) {
+var Util = function () {
 
   /**
    * ------------------------------------------------------------------------
@@ -40,7 +42,7 @@ var Util = function ($) {
         if ($(event.target).is(this)) {
           return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
         }
-        return undefined;
+        return undefined; // eslint-disable-line no-undefined
       }
     };
   }
@@ -53,7 +55,7 @@ var Util = function ($) {
     var el = document.createElement('bootstrap');
 
     for (var name in TransitionEndEvent) {
-      if (el.style[name] !== undefined) {
+      if (typeof el.style[name] !== 'undefined') {
         return {
           end: TransitionEndEvent[name]
         };
@@ -115,7 +117,7 @@ var Util = function ($) {
       }
 
       try {
-        var $selector = $(selector);
+        var $selector = $(document).find(selector);
         return $selector.length > 0 ? selector : null;
       } catch (error) {
         return null;
@@ -132,7 +134,7 @@ var Util = function ($) {
     },
     typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) {
       for (var property in configTypes) {
-        if (configTypes.hasOwnProperty(property)) {
+        if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
           var expectedTypes = configTypes[property];
           var value = config[property];
           var valueType = value && isElement(value) ? 'element' : toType(value);