bootstrap - npm Package Compare versions

Comparing version 4.0.0-alpha.5 to 4.0.0-alpha.6

dist/js/bootstrap.min.js

 /*!
- * Bootstrap v4.0.0-alpha.5 (https://getbootstrap.com)
- * Copyright 2011-2016 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+ * Bootstrap v4.0.0-alpha.6 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
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a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},j.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},j.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},j.prototype._setScrollbar=function(){var b=parseInt(a(s.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+this._scrollbarWidth+"px")},j.prototype._resetScrollbar=function(){document.body.style.paddingRight=this._originalBodyPadding},j.prototype._getScrollbarWidth=function(){var a=document.createElement("div");a.className=r.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b},j._jQueryInterface=function(b,c){return this.each(function(){var e=a(this).data(h),f=a.extend({},j.Default,a(this).data(),"object"===("undefined"==typeof b?"undefined":d(b))&&b);if(e||(e=new j(this,f),a(this).data(h,e)),"string"==typeof b){if(void 0===e[b])throw new Error('No method named "'+b+'"');e[b](c)}else f.show&&e.show(c)})},e(j,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return o}}]),j}();return a(document).on(q.CLICK_DATA_API,s.DATA_TOGGLE,function(b){var c=this,d=void 0,e=f.getSelectorFromElement(this);e&&(d=a(e)[0]);var g=a(d).data(h)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var 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j(b,d){c(this,j),this._element=b,this._scrollElement="BODY"===b.tagName?window:b,this._config=this._getConfig(d),this._selector=this._config.target+" "+p.NAV_LINKS+","+(this._config.target+" "+p.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(n.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return j.prototype.refresh=function(){var b=this,c=this._scrollElement!==this._scrollElement.window?q.POSITION:q.OFFSET,d="auto"===this._config.method?c:this._config.method,e=d===q.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=f.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+e,g]:null}).filter(function(a){return a}).sort(function(a,b){return 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a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}},j.prototype._activate=function(b){this._activeTarget=b,this._clear();var c=this._selector.split(",");c=c.map(function(a){return a+'[data-target="'+b+'"],'+(a+'[href="'+b+'"]')});var d=a(c.join(","));d.hasClass(o.DROPDOWN_ITEM)?(d.closest(p.DROPDOWN).find(p.DROPDOWN_TOGGLE).addClass(o.ACTIVE),d.addClass(o.ACTIVE)):d.parents(p.LI).find(p.NAV_LINKS).addClass(o.ACTIVE),a(this._scrollElement).trigger(n.ACTIVATE,{relatedTarget:b})},j.prototype._clear=function(){a(this._selector).filter(p.ACTIVE).removeClass(o.ACTIVE)},j._jQueryInterface=function(b){return this.each(function(){var c=a(this).data(h),e="object"===("undefined"==typeof b?"undefined":d(b))&&b||null;if(c||(c=new j(this,e),a(this).data(h,c)),"string"==typeof b){if(void 0===c[b])throw new Error('No method named "'+b+'"');c[b]()}})},e(j,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return l}}]),j}();return a(window).on(n.LOAD_DATA_API,function(){for(var b=a.makeArray(a(p.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);r._jQueryInterface.call(d,d.data())}}),a.fn[b]=r._jQueryInterface,a.fn[b].Constructor=r,a.fn[b].noConflict=function(){return a.fn[b]=k,r._jQueryInterface},r}(jQuery),function(a){var b="tab",d="4.0.0-alpha.5",g="bs.tab",h="."+g,i=".data-api",j=a.fn[b],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",DROPDOWN:".dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .nav-item .fade, > .fade",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',
-DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},o=function(){function b(a){c(this,b),this._element=a}return b.prototype.show=function(){var b=this;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE||!a(this._element).hasClass(m.ACTIVE)){var c=void 0,d=void 0,e=a(this._element).closest(n.UL)[0],g=f.getSelectorFromElement(this._element);e&&(d=a.makeArray(a(e).find(n.ACTIVE)),d=d[d.length-1]);var h=a.Event(l.HIDE,{relatedTarget:this._element}),i=a.Event(l.SHOW,{relatedTarget:d});if(d&&a(d).trigger(h),a(this._element).trigger(i),!i.isDefaultPrevented()&&!h.isDefaultPrevented()){g&&(c=a(g)[0]),this._activate(this._element,e);var j=function(){var c=a.Event(l.HIDDEN,{relatedTarget:b._element}),e=a.Event(l.SHOWN,{relatedTarget:d});a(d).trigger(c),a(b._element).trigger(e)};c?this._activate(c,c.parentNode,j):j()}}},b.prototype.dispose=function(){a.removeClass(this._element,g),this._element=null},b.prototype._activate=function(b,c,d){var e=a(c).find(n.ACTIVE_CHILD)[0],g=d&&f.supportsTransitionEnd()&&(e&&a(e).hasClass(m.FADE)||Boolean(a(c).find(n.FADE_CHILD)[0])),h=a.proxy(this._transitionComplete,this,b,e,g,d);e&&g?a(e).one(f.TRANSITION_END,h).emulateTransitionEnd(k):h(),e&&a(e).removeClass(m.IN)},b.prototype._transitionComplete=function(b,c,d,e){if(c){a(c).removeClass(m.ACTIVE);var g=a(c).find(n.DROPDOWN_ACTIVE_CHILD)[0];g&&a(g).removeClass(m.ACTIVE),c.setAttribute("aria-expanded",!1)}if(a(b).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0),d?(f.reflow(b),a(b).addClass(m.IN)):a(b).removeClass(m.FADE),b.parentNode&&a(b.parentNode).hasClass(m.DROPDOWN_MENU)){var h=a(b).closest(n.DROPDOWN)[0];h&&a(h).find(n.DROPDOWN_TOGGLE).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0)}e&&e()},b._jQueryInterface=function(c){return this.each(function(){var d=a(this),e=d.data(g);if(e||(e=e=new b(this),d.data(g,e)),"string"==typeof c){if(void 0===e[c])throw new Error('No method named "'+c+'"');e[c]()}})},e(b,null,[{key:"VERSION",get:function(){return d}}]),b}();return a(document).on(l.CLICK_DATA_API,n.DATA_TOGGLE,function(b){b.preventDefault(),o._jQueryInterface.call(a(this),"show")}),a.fn[b]=o._jQueryInterface,a.fn[b].Constructor=o,a.fn[b].noConflict=function(){return a.fn[b]=j,o._jQueryInterface},o}(jQuery),function(a){if(void 0===window.Tether)throw new Error("Bootstrap tooltips require Tether (http://tether.io/)");var b="tooltip",g="4.0.0-alpha.5",h="bs.tooltip",i="."+h,j=a.fn[b],k=150,l="bs-tether",m={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[]},n={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array"},o={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},p={IN:"in",OUT:"out"},q={HIDE:"hide"+i,HIDDEN:"hidden"+i,SHOW:"show"+i,SHOWN:"shown"+i,INSERTED:"inserted"+i,CLICK:"click"+i,FOCUSIN:"focusin"+i,FOCUSOUT:"focusout"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i},r={FADE:"fade",IN:"in"},s={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},t={element:!1,enabled:!1},u={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},v=function(){function j(a,b){c(this,j),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._tether=null,this.element=a,this.config=this._getConfig(b),this.tip=null,this._setListeners()}return j.prototype.enable=function(){this._isEnabled=!0},j.prototype.disable=function(){this._isEnabled=!1},j.prototype.toggleEnabled=function(){this._isEnabled=!this._isEnabled},j.prototype.toggle=function(b){if(b){var c=this.constructor.DATA_KEY,d=a(b.currentTarget).data(c);d||(d=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(c,d)),d._activeTrigger.click=!d._activeTrigger.click,d._isWithActiveTrigger()?d._enter(null,d):d._leave(null,d)}else{if(a(this.getTipElement()).hasClass(r.IN))return void this._leave(null,this);this._enter(null,this)}},j.prototype.dispose=function(){clearTimeout(this._timeout),this.cleanupTether(),a.removeData(this.element,this.constructor.DATA_KEY),a(this.element).off(this.constructor.EVENT_KEY),this.tip&&a(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null},j.prototype.show=function(){var b=this,c=a.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){a(this.element).trigger(c);var d=a.contains(this.element.ownerDocument.documentElement,this.element);if(c.isDefaultPrevented()||!d)return;var e=this.getTipElement(),g=f.getUID(this.constructor.NAME);e.setAttribute("id",g),this.element.setAttribute("aria-describedby",g),this.setContent(),this.config.animation&&a(e).addClass(r.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,e,this.element):this.config.placement,i=this._getAttachment(h);a(e).data(this.constructor.DATA_KEY,this).appendTo(document.body),a(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:i,element:e,target:this.element,classes:t,classPrefix:l,offset:this.config.offset,constraints:this.config.constraints,addTargetClasses:!1}),f.reflow(e),this._tether.position(),a(e).addClass(r.IN);var k=function(){var c=b._hoverState;b._hoverState=null,a(b.element).trigger(b.constructor.Event.SHOWN),c===p.OUT&&b._leave(null,b)};if(f.supportsTransitionEnd()&&a(this.tip).hasClass(r.FADE))return void a(this.tip).one(f.TRANSITION_END,k).emulateTransitionEnd(j._TRANSITION_DURATION);k()}},j.prototype.hide=function(b){var 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t(this._element).one(r.TRANSITION_END,s).emulateTransitionEnd(u):void s()}}},l.prototype.setTransitioning=function(t){this._isTransitioning=t},l.prototype.dispose=function(){t.removeData(this._element,a),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},l.prototype._getConfig=function(n){return n=t.extend({},d,n),n.toggle=Boolean(n.toggle),r.typeCheckConfig(e,n,f),n},l.prototype._getDimension=function(){var e=t(this._element).hasClass(p.WIDTH);return e?p.WIDTH:p.HEIGHT},l.prototype._getParent=function(){var e=this,n=t(this._config.parent)[0],i='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return t(n).find(i).each(function(t,n){e._addAriaAndCollapsedClass(l._getTargetFromElement(n),[n])}),n},l.prototype._addAriaAndCollapsedClass=function(e,n){if(e){var 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e="dropdown",i="4.0.0-alpha.6",s="bs.dropdown",a="."+s,l=".data-api",h=t.fn[e],c=27,u=38,d=40,f=3,_={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK:"click"+a,CLICK_DATA_API:"click"+a+l,FOCUSIN_DATA_API:"focusin"+a+l,KEYDOWN_DATA_API:"keydown"+a+l},g={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",SHOW:"show"},p={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},m=function(){function e(t){n(this,e),this._element=t,this._addEventListeners()}return e.prototype.toggle=function(){if(this.disabled||t(this).hasClass(g.DISABLED))return!1;var n=e._getParentFromElement(this),i=t(n).hasClass(g.SHOW);if(e._clearMenus(),i)return!1;if("ontouchstart"in document.documentElement&&!t(n).closest(p.NAVBAR_NAV).length){var o=document.createElement("div");o.className=g.BACKDROP,t(o).insertBefore(this),t(o).on("click",e._clearMenus)}var r={relatedTarget:this},s=t.Event(_.SHOW,r);return t(n).trigger(s),!s.isDefaultPrevented()&&(this.focus(),this.setAttribute("aria-expanded",!0),t(n).toggleClass(g.SHOW),t(n).trigger(t.Event(_.SHOWN,r)),!1)},e.prototype.dispose=function(){t.removeData(this._element,s),t(this._element).off(a),this._element=null},e.prototype._addEventListeners=function(){t(this._element).on(_.CLICK,this.toggle)},e._jQueryInterface=function(n){return this.each(function(){var i=t(this).data(s);if(i||(i=new e(this),t(this).data(s,i)),"string"==typeof n){if(void 0===i[n])throw new Error('No method named "'+n+'"');i[n].call(this)}})},e._clearMenus=function(n){if(!n||n.which!==f){var i=t(p.BACKDROP)[0];i&&i.parentNode.removeChild(i);for(var o=t.makeArray(t(p.DATA_TOGGLE)),r=0;r<o.length;r++){var s=e._getParentFromElement(o[r]),a={relatedTarget:o[r]};if(t(s).hasClass(g.SHOW)&&!(n&&("click"===n.type&&/input|textarea/i.test(n.target.tagName)||"focusin"===n.type)&&t.contains(s,n.target))){var l=t.Event(_.HIDE,a);t(s).trigger(l),l.isDefaultPrevented()||(o[r].setAttribute("aria-expanded","false"),t(s).removeClass(g.SHOW).trigger(t.Event(_.HIDDEN,a)))}}}},e._getParentFromElement=function(e){var n=void 0,i=r.getSelectorFromElement(e);return i&&(n=t(i)[0]),n||e.parentNode},e._dataApiKeydownHandler=function(n){if(/(38|40|27|32)/.test(n.which)&&!/input|textarea/i.test(n.target.tagName)&&(n.preventDefault(),n.stopPropagation(),!this.disabled&&!t(this).hasClass(g.DISABLED))){var i=e._getParentFromElement(this),o=t(i).hasClass(g.SHOW);if(!o&&n.which!==c||o&&n.which===c){if(n.which===c){var r=t(i).find(p.DATA_TOGGLE)[0];t(r).trigger("focus")}return void t(this).trigger("click")}var s=t(i).find(p.VISIBLE_ITEMS).get();if(s.length){var 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e="modal",s="4.0.0-alpha.6",a="bs.modal",l="."+a,h=".data-api",c=t.fn[e],u=300,d=150,f=27,_={backdrop:!0,keyboard:!0,focus:!0,show:!0},g={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,FOCUSIN:"focusin"+l,RESIZE:"resize"+l,CLICK_DISMISS:"click.dismiss"+l,KEYDOWN_DISMISS:"keydown.dismiss"+l,MOUSEUP_DISMISS:"mouseup.dismiss"+l,MOUSEDOWN_DISMISS:"mousedown.dismiss"+l,CLICK_DATA_API:"click"+l+h},m={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},E={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top"},v=function(){function h(e,i){n(this,h),this._config=this._getConfig(i),this._element=e,this._dialog=t(e).find(E.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._isTransitioning=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return h.prototype.toggle=function(t){return this._isShown?this.hide():this.show(t)},h.prototype.show=function(e){var n=this;if(this._isTransitioning)throw new Error("Modal is transitioning");r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)&&(this._isTransitioning=!0);var i=t.Event(p.SHOW,{relatedTarget:e});t(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),t(document.body).addClass(m.OPEN),this._setEscapeEvent(),this._setResizeEvent(),t(this._element).on(p.CLICK_DISMISS,E.DATA_DISMISS,function(t){return n.hide(t)}),t(this._dialog).on(p.MOUSEDOWN_DISMISS,function(){t(n._element).one(p.MOUSEUP_DISMISS,function(e){t(e.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(e)}))},h.prototype.hide=function(e){var n=this;if(e&&e.preventDefault(),this._isTransitioning)throw new Error("Modal is transitioning");var i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);i&&(this._isTransitioning=!0);var o=t.Event(p.HIDE);t(this._element).trigger(o),this._isShown&&!o.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),t(document).off(p.FOCUSIN),t(this._element).removeClass(m.SHOW),t(this._element).off(p.CLICK_DISMISS),t(this._dialog).off(p.MOUSEDOWN_DISMISS),i?t(this._element).one(r.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(u):this._hideModal())},h.prototype.dispose=function(){t.removeData(this._element,a),t(window,document,this._element,this._backdrop).off(l),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null},h.prototype._getConfig=function(n){return n=t.extend({},_,n),r.typeCheckConfig(e,n,g),n},h.prototype._showElement=function(e){var n=this,i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&r.reflow(this._element),t(this._element).addClass(m.SHOW),this._config.focus&&this._enforceFocus();var o=t.Event(p.SHOWN,{relatedTarget:e}),s=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,t(n._element).trigger(o)};i?t(this._dialog).one(r.TRANSITION_END,s).emulateTransitionEnd(u):s()},h.prototype._enforceFocus=function(){var e=this;t(document).off(p.FOCUSIN).on(p.FOCUSIN,function(n){document===n.target||e._element===n.target||t(e._element).has(n.target).length||e._element.focus()})},h.prototype._setEscapeEvent=function(){var e=this;this._isShown&&this._config.keyboard?t(this._element).on(p.KEYDOWN_DISMISS,function(t){t.which===f&&e.hide()}):this._isShown||t(this._element).off(p.KEYDOWN_DISMISS)},h.prototype._setResizeEvent=function(){var e=this;this._isShown?t(window).on(p.RESIZE,function(t){return e._handleUpdate(t)}):t(window).off(p.RESIZE)},h.prototype._hideModal=function(){var e=this;this._element.style.display="none",this._element.setAttribute("aria-hidden","true"),this._isTransitioning=!1,this._showBackdrop(function(){t(document.body).removeClass(m.OPEN),e._resetAdjustments(),e._resetScrollbar(),t(e._element).trigger(p.HIDDEN)})},h.prototype._removeBackdrop=function(){this._backdrop&&(t(this._backdrop).remove(),this._backdrop=null)},h.prototype._showBackdrop=function(e){var n=this,i=t(this._element).hasClass(m.FADE)?m.FADE:"";if(this._isShown&&this._config.backdrop){var o=r.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=m.BACKDROP,i&&t(this._backdrop).addClass(i),t(this._backdrop).appendTo(document.body),t(this._element).on(p.CLICK_DISMISS,function(t){return n._ignoreBackdropClick?void(n._ignoreBackdropClick=!1):void(t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide()))}),o&&r.reflow(this._backdrop),t(this._backdrop).addClass(m.SHOW),!e)return;if(!o)return void e();t(this._backdrop).one(r.TRANSITION_END,e).emulateTransitionEnd(d)}else if(!this._isShown&&this._backdrop){t(this._backdrop).removeClass(m.SHOW);var s=function(){n._removeBackdrop(),e&&e()};r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)?t(this._backdrop).one(r.TRANSITION_END,s).emulateTransitionEnd(d):s()}else e&&e()},h.prototype._handleUpdate=function(){this._adjustDialog()},h.prototype._adjustDialog=function(){var t=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&t&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!t&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},h.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},h.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},h.prototype._setScrollbar=function(){var e=parseInt(t(E.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=e+this._scrollbarWidth+"px")},h.prototype._resetScrollbar=function(){document.body.style.paddingRight=this._originalBodyPadding},h.prototype._getScrollbarWidth=function(){var t=document.createElement("div");t.className=m.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.offsetWidth-t.clientWidth;return document.body.removeChild(t),e},h._jQueryInterface=function(e,n){return this.each(function(){var o=t(this).data(a),r=t.extend({},h.Default,t(this).data(),"object"===("undefined"==typeof e?"undefined":i(e))&&e);if(o||(o=new h(this,r),t(this).data(a,o)),"string"==typeof e){if(void 0===o[e])throw new Error('No method named "'+e+'"');o[e](n)}else r.show&&o.show(n)})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return _}}]),h}();return t(document).on(p.CLICK_DATA_API,E.DATA_TOGGLE,function(e){var n=this,i=void 0,o=r.getSelectorFromElement(this);o&&(i=t(o)[0]);var s=t(i).data(a)?"toggle":t.extend({},t(i).data(),t(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||e.preventDefault();var l=t(i).one(p.SHOW,function(e){e.isDefaultPrevented()||l.one(p.HIDDEN,function(){t(n).is(":visible")&&n.focus()})});v._jQueryInterface.call(t(i),s,this)}),t.fn[e]=v._jQueryInterface,t.fn[e].Constructor=v,t.fn[e].noConflict=function(){return t.fn[e]=c,v._jQueryInterface},v}(jQuery),function(t){var e="scrollspy",s="4.0.0-alpha.6",a="bs.scrollspy",l="."+a,h=".data-api",c=t.fn[e],u={offset:10,method:"auto",target:""},d={offset:"number",method:"string",target:"(string|element)"},f={ACTIVATE:"activate"+l,SCROLL:"scroll"+l,LOAD_DATA_API:"load"+l+h},_={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},g={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"},p={OFFSET:"offset",POSITION:"position"},m=function(){function h(e,i){var o=this;n(this,h),this._element=e,this._scrollElement="BODY"===e.tagName?window:e,this._config=this._getConfig(i),this._selector=this._config.target+" "+g.NAV_LINKS+","+(this._config.target+" "+g.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,t(this._scrollElement).on(f.SCROLL,function(t){return 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o=this._offsets.length;o--;){var r=this._activeTarget!==this._targets[o]&&t>=this._offsets[o]&&(void 0===this._offsets[o+1]||t<this._offsets[o+1]);r&&this._activate(this._targets[o])}},h.prototype._activate=function(e){this._activeTarget=e,this._clear();var n=this._selector.split(",");n=n.map(function(t){return t+'[data-target="'+e+'"],'+(t+'[href="'+e+'"]')});var i=t(n.join(","));i.hasClass(_.DROPDOWN_ITEM)?(i.closest(g.DROPDOWN).find(g.DROPDOWN_TOGGLE).addClass(_.ACTIVE),i.addClass(_.ACTIVE)):i.parents(g.LI).find("> "+g.NAV_LINKS).addClass(_.ACTIVE),t(this._scrollElement).trigger(f.ACTIVATE,{relatedTarget:e})},h.prototype._clear=function(){t(this._selector).filter(g.ACTIVE).removeClass(_.ACTIVE)},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;
+if(n||(n=new h(this,o),t(this).data(a,n)),"string"==typeof e){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return u}}]),h}();return t(window).on(f.LOAD_DATA_API,function(){for(var e=t.makeArray(t(g.DATA_SPY)),n=e.length;n--;){var i=t(e[n]);m._jQueryInterface.call(i,i.data())}}),t.fn[e]=m._jQueryInterface,t.fn[e].Constructor=m,t.fn[e].noConflict=function(){return t.fn[e]=c,m._jQueryInterface},m}(jQuery),function(t){var e="tab",i="4.0.0-alpha.6",s="bs.tab",a="."+s,l=".data-api",h=t.fn[e],c=150,u={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK_DATA_API:"click"+a+l},d={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},f={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",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},_=function(){function e(t){n(this,e),this._element=t}return e.prototype.show=function(){var e=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&t(this._element).hasClass(d.ACTIVE)||t(this._element).hasClass(d.DISABLED))){var n=void 0,i=void 0,o=t(this._element).closest(f.LIST)[0],s=r.getSelectorFromElement(this._element);o&&(i=t.makeArray(t(o).find(f.ACTIVE)),i=i[i.length-1]);var a=t.Event(u.HIDE,{relatedTarget:this._element}),l=t.Event(u.SHOW,{relatedTarget:i});if(i&&t(i).trigger(a),t(this._element).trigger(l),!l.isDefaultPrevented()&&!a.isDefaultPrevented()){s&&(n=t(s)[0]),this._activate(this._element,o);var h=function(){var n=t.Event(u.HIDDEN,{relatedTarget:e._element}),o=t.Event(u.SHOWN,{relatedTarget:i});t(i).trigger(n),t(e._element).trigger(o)};n?this._activate(n,n.parentNode,h):h()}}},e.prototype.dispose=function(){t.removeClass(this._element,s),this._element=null},e.prototype._activate=function(e,n,i){var o=this,s=t(n).find(f.ACTIVE_CHILD)[0],a=i&&r.supportsTransitionEnd()&&(s&&t(s).hasClass(d.FADE)||Boolean(t(n).find(f.FADE_CHILD)[0])),l=function(){return o._transitionComplete(e,s,a,i)};s&&a?t(s).one(r.TRANSITION_END,l).emulateTransitionEnd(c):l(),s&&t(s).removeClass(d.SHOW)},e.prototype._transitionComplete=function(e,n,i,o){if(n){t(n).removeClass(d.ACTIVE);var s=t(n.parentNode).find(f.DROPDOWN_ACTIVE_CHILD)[0];s&&t(s).removeClass(d.ACTIVE),n.setAttribute("aria-expanded",!1)}if(t(e).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0),i?(r.reflow(e),t(e).addClass(d.SHOW)):t(e).removeClass(d.FADE),e.parentNode&&t(e.parentNode).hasClass(d.DROPDOWN_MENU)){var a=t(e).closest(f.DROPDOWN)[0];a&&t(a).find(f.DROPDOWN_TOGGLE).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0)}o&&o()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data(s);if(o||(o=new e(this),i.data(s,o)),"string"==typeof n){if(void 0===o[n])throw new Error('No method named "'+n+'"');o[n]()}})},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(u.CLICK_DATA_API,f.DATA_TOGGLE,function(e){e.preventDefault(),_._jQueryInterface.call(t(this),"show")}),t.fn[e]=_._jQueryInterface,t.fn[e].Constructor=_,t.fn[e].noConflict=function(){return t.fn[e]=h,_._jQueryInterface},_}(jQuery),function(t){if("undefined"==typeof Tether)throw new Error("Bootstrap tooltips require Tether (http://tether.io/)");var e="tooltip",s="4.0.0-alpha.6",a="bs.tooltip",l="."+a,h=t.fn[e],c=150,u="bs-tether",d={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[],container:!1},f={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array",container:"(string|element|boolean)"},_={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},g={SHOW:"show",OUT:"out"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,INSERTED:"inserted"+l,CLICK:"click"+l,FOCUSIN:"focusin"+l,FOCUSOUT:"focusout"+l,MOUSEENTER:"mouseenter"+l,MOUSELEAVE:"mouseleave"+l},m={FADE:"fade",SHOW:"show"},E={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},v={element:!1,enabled:!1},T={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},I=function(){function h(t,e){n(this,h),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._isTransitioning=!1,this._tether=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}return h.prototype.enable=function(){this._isEnabled=!0},h.prototype.disable=function(){this._isEnabled=!1},h.prototype.toggleEnabled=function(){this._isEnabled=!this._isEnabled},h.prototype.toggle=function(e){if(e){var n=this.constructor.DATA_KEY,i=t(e.currentTarget).data(n);i||(i=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(t(this.getTipElement()).hasClass(m.SHOW))return void this._leave(null,this);this._enter(null,this)}},h.prototype.dispose=function(){clearTimeout(this._timeout),this.cleanupTether(),t.removeData(this.element,this.constructor.DATA_KEY),t(this.element).off(this.constructor.EVENT_KEY),t(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&t(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null},h.prototype.show=function(){var e=this;if("none"===t(this.element).css("display"))throw new Error("Please use show on visible elements");var n=t.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){if(this._isTransitioning)throw new Error("Tooltip is transitioning");t(this.element).trigger(n);var i=t.contains(this.element.ownerDocument.documentElement,this.element);if(n.isDefaultPrevented()||!i)return;var o=this.getTipElement(),s=r.getUID(this.constructor.NAME);o.setAttribute("id",s),this.element.setAttribute("aria-describedby",s),this.setContent(),this.config.animation&&t(o).addClass(m.FADE);var a="function"==typeof this.config.placement?this.config.placement.call(this,o,this.element):this.config.placement,l=this._getAttachment(a),c=this.config.container===!1?document.body:t(this.config.container);t(o).data(this.constructor.DATA_KEY,this).appendTo(c),t(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:l,element:o,target:this.element,classes:v,classPrefix:u,offset:this.config.offset,constraints:this.config.constraints,addTargetClasses:!1}),r.reflow(o),this._tether.position(),t(o).addClass(m.SHOW);var d=function(){var n=e._hoverState;e._hoverState=null,e._isTransitioning=!1,t(e.element).trigger(e.constructor.Event.SHOWN),n===g.OUT&&e._leave(null,e)};if(r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE))return this._isTransitioning=!0,void t(this.tip).one(r.TRANSITION_END,d).emulateTransitionEnd(h._TRANSITION_DURATION);d()}},h.prototype.hide=function(e){var n=this,i=this.getTipElement(),o=t.Event(this.constructor.Event.HIDE);if(this._isTransitioning)throw new Error("Tooltip is transitioning");var s=function(){n._hoverState!==g.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n.element.removeAttribute("aria-describedby"),t(n.element).trigger(n.constructor.Event.HIDDEN),n._isTransitioning=!1,n.cleanupTether(),e&&e()};t(this.element).trigger(o),o.isDefaultPrevented()||(t(i).removeClass(m.SHOW),this._activeTrigger[T.CLICK]=!1,this._activeTrigger[T.FOCUS]=!1,this._activeTrigger[T.HOVER]=!1,r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE)?(this._isTransitioning=!0,t(i).one(r.TRANSITION_END,s).emulateTransitionEnd(c)):s(),this._hoverState="")},h.prototype.isWithContent=function(){return Boolean(this.getTitle())},h.prototype.getTipElement=function(){return this.tip=this.tip||t(this.config.template)[0]},h.prototype.setContent=function(){var e=t(this.getTipElement());this.setElementContent(e.find(E.TOOLTIP_INNER),this.getTitle()),e.removeClass(m.FADE+" "+m.SHOW),this.cleanupTether()},h.prototype.setElementContent=function(e,n){var o=this.config.html;"object"===("undefined"==typeof n?"undefined":i(n))&&(n.nodeType||n.jquery)?o?t(n).parent().is(e)||e.empty().append(n):e.text(t(n).text()):e[o?"html":"text"](n)},h.prototype.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},h.prototype.cleanupTether=function(){this._tether&&this._tether.destroy()},h.prototype._getAttachment=function(t){return _[t.toUpperCase()]},h.prototype._setListeners=function(){var e=this,n=this.config.trigger.split(" ");n.forEach(function(n){if("click"===n)t(e.element).on(e.constructor.Event.CLICK,e.config.selector,function(t){return e.toggle(t)});else if(n!==T.MANUAL){var i=n===T.HOVER?e.constructor.Event.MOUSEENTER:e.constructor.Event.FOCUSIN,o=n===T.HOVER?e.constructor.Event.MOUSELEAVE:e.constructor.Event.FOCUSOUT;t(e.element).on(i,e.config.selector,function(t){return e._enter(t)}).on(o,e.config.selector,function(t){return e._leave(t)})}t(e.element).closest(".modal").on("hide.bs.modal",function(){return e.hide()})}),this.config.selector?this.config=t.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},h.prototype._fixTitle=function(){var t=i(this.element.getAttribute("data-original-title"));(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},h.prototype._enter=function(e,n){var i=this.constructor.DATA_KEY;return n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusin"===e.type?T.FOCUS:T.HOVER]=!0),t(n.getTipElement()).hasClass(m.SHOW)||n._hoverState===g.SHOW?void(n._hoverState=g.SHOW):(clearTimeout(n._timeout),n._hoverState=g.SHOW,n.config.delay&&n.config.delay.show?void(n._timeout=setTimeout(function(){n._hoverState===g.SHOW&&n.show()},n.config.delay.show)):void n.show())},h.prototype._leave=function(e,n){var i=this.constructor.DATA_KEY;if(n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusout"===e.type?T.FOCUS:T.HOVER]=!1),!n._isWithActiveTrigger())return clearTimeout(n._timeout),n._hoverState=g.OUT,n.config.delay&&n.config.delay.hide?void(n._timeout=setTimeout(function(){n._hoverState===g.OUT&&n.hide()},n.config.delay.hide)):void n.hide()},h.prototype._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},h.prototype._getConfig=function(n){return n=t.extend({},this.constructor.Default,t(this.element).data(),n),n.delay&&"number"==typeof n.delay&&(n.delay={show:n.delay,hide:n.delay}),r.typeCheckConfig(e,n,this.constructor.DefaultType),n},h.prototype._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;if((n||!/dispose|hide/.test(e))&&(n||(n=new h(this,o),t(this).data(a,n)),"string"==typeof e)){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return e}},{key:"DATA_KEY",get:function(){return a}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return l}},{key:"DefaultType",get:function(){return f}}]),h}();return t.fn[e]=I._jQueryInterface,t.fn[e].Constructor=I,t.fn[e].noConflict=function(){return t.fn[e]=h,I._jQueryInterface},I}(jQuery));(function(r){var a="popover",l="4.0.0-alpha.6",h="bs.popover",c="."+h,u=r.fn[a],d=r.extend({},s.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),f=r.extend({},s.DefaultType,{content:"(string|element|function)"}),_={FADE:"fade",SHOW:"show"},g={TITLE:".popover-title",CONTENT:".popover-content"},p={HIDE:"hide"+c,HIDDEN:"hidden"+c,SHOW:"show"+c,SHOWN:"shown"+c,INSERTED:"inserted"+c,CLICK:"click"+c,FOCUSIN:"focusin"+c,FOCUSOUT:"focusout"+c,MOUSEENTER:"mouseenter"+c,MOUSELEAVE:"mouseleave"+c},m=function(s){function u(){return n(this,u),t(this,s.apply(this,arguments))}return e(u,s),u.prototype.isWithContent=function(){return this.getTitle()||this._getContent()},u.prototype.getTipElement=function(){return this.tip=this.tip||r(this.config.template)[0]},u.prototype.setContent=function(){var t=r(this.getTipElement());this.setElementContent(t.find(g.TITLE),this.getTitle()),this.setElementContent(t.find(g.CONTENT),this._getContent()),t.removeClass(_.FADE+" "+_.SHOW),this.cleanupTether()},u.prototype._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},u._jQueryInterface=function(t){return this.each(function(){var e=r(this).data(h),n="object"===("undefined"==typeof t?"undefined":i(t))?t:null;if((e||!/destroy|hide/.test(t))&&(e||(e=new u(this,n),r(this).data(h,e)),"string"==typeof t)){if(void 0===e[t])throw new Error('No method named "'+t+'"');e[t]()}})},o(u,null,[{key:"VERSION",get:function(){return l}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return a}},{key:"DATA_KEY",get:function(){return h}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return c}},{key:"DefaultType",get:function(){return f}}]),u}(s);return r.fn[a]=m._jQueryInterface,r.fn[a].Constructor=m,r.fn[a].noConflict=function(){return r.fn[a]=u,m._jQueryInterface},m})(jQuery)}();

grunt/change-version.js

 #!/usr/bin/env node
-'use strict';
 
+'use strict'
+
 /*!
  * Script to update version number references in the project.
- * Copyright 2015 The Bootstrap Authors
- * Copyright 2015 Twitter, Inc.
+ * Copyright 2017 The Bootstrap Authors
+ * Copyright 2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-var fs = require('fs');
-var path = require('path');
-var sh = require('shelljs');
-sh.config.fatal = true;
-var sed = sh.sed;
 
+/* global Set */
+
+var fs = require('fs')
+var path = require('path')
+var sh = require('shelljs')
+sh.config.fatal = true
+var sed = sh.sed
+
 // Blame TC39... https://github.com/benjamingr/RegExp.escape/issues/37
 RegExp.quote = function (string) {
-  return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&');
-};
+  return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&')
+}
 RegExp.quoteReplacement = function (string) {
-  return string.replace(/[$]/g, '$$');
-};
+  return string.replace(/[$]/g, '$$')
+}
 
-var DRY_RUN = false;
+var DRY_RUN = false
 
 function walkAsync(directory, excludedDirectories, fileCallback, errback) {
   if (excludedDirectories.has(path.parse(directory).base)) {
-    return;
+    return
   }
   fs.readdir(directory, function (err, names) {
     if (err) {
-      errback(err);
-      return;
+      errback(err)
+      return
     }
     names.forEach(function (name) {
-      var filepath = path.join(directory, name);
+      var filepath = path.join(directory, name)
       fs.lstat(filepath, function (err, stats) {
         if (err) {
-          process.nextTick(errback, err);
-          return;
+          process.nextTick(errback, err)
+          return
         }
         if (stats.isSymbolicLink()) {
-          return;
+          return
         }
         else if (stats.isDirectory()) {
-          process.nextTick(walkAsync, filepath, excludedDirectories, fileCallback, errback);
+          process.nextTick(walkAsync, filepath, excludedDirectories, fileCallback, errback)
         }
         else if (stats.isFile()) {
-          process.nextTick(fileCallback, filepath);
+          process.nextTick(fileCallback, filepath)
         }
-      });
-    });
-  });
+      })
+    })
+  })
 }
 
 function replaceRecursively(directory, excludedDirectories, allowedExtensions, original, replacement) {
-  original = new RegExp(RegExp.quote(original), 'g');
-  replacement = RegExp.quoteReplacement(replacement);
+  original = new RegExp(RegExp.quote(original), 'g')
+  replacement = RegExp.quoteReplacement(replacement)
   var updateFile = !DRY_RUN ? function (filepath) {
     if (allowedExtensions.has(path.parse(filepath).ext)) {
-      sed('-i', original, replacement, filepath);
+      sed('-i', original, replacement, filepath)
     }
   } : function (filepath) {
     if (allowedExtensions.has(path.parse(filepath).ext)) {
-      console.log('FILE: ' + filepath);
+      console.log('FILE: ' + filepath)
     }
     else {
-      console.log('EXCLUDED:' + filepath);
+      console.log('EXCLUDED:' + filepath)
     }
-  };
+  }
   walkAsync(directory, excludedDirectories, updateFile, function (err) {
-    console.error('ERROR while traversing directory!:');
-    console.error(err);
-    process.exit(1);
-  });
+    console.error('ERROR while traversing directory!:')
+    console.error(err)
+    process.exit(1)
+  })
 }
@@ -80,8 +84,8 @@
   if (args.length !== 2) {
-    console.error('USAGE: change-version old_version new_version');
-    console.error('Got arguments:', args);
-    process.exit(1);
+    console.error('USAGE: change-version old_version new_version')
+    console.error('Got arguments:', args)
+    process.exit(1)
   }
-  var oldVersion = args[0];
-  var newVersion = args[1];
+  var oldVersion = args[0]
+  var newVersion = args[1]
   var EXCLUDED_DIRS = new Set([
@@ -91,3 +95,3 @@ '.git',
     'vendor'
-  ]);
+  ])
   var INCLUDED_EXTENSIONS = new Set([
@@ -104,6 +108,6 @@ // This extension whitelist is how we avoid modifying binary files
     '.yml'
-  ]);
-  replaceRecursively('.', EXCLUDED_DIRS, INCLUDED_EXTENSIONS, oldVersion, newVersion);
+  ])
+  replaceRecursively('.', EXCLUDED_DIRS, INCLUDED_EXTENSIONS, oldVersion, newVersion)
 }
 
-main(process.argv.slice(2));
+main(process.argv.slice(2))

grunt/postcss.js

@@ -32,3 +32,3 @@ module.exports = {
       'Edge >= 12',
-      'Explorer >= 9',
+      'Explorer >= 10',
       // Out of leniency, we prefix these 1 version further back than the official policy.
@@ -35,0 +35,0 @@ 'iOS >= 8',

Gruntfile.js

 /*!
  * Bootstrap's Gruntfile
  * https://getbootstrap.com
- * Copyright 2013-2016 The Bootstrap Authors
- * Copyright 2013-2016 Twitter, Inc.
+ * Copyright 2013-2017 The Bootstrap Authors
+ * Copyright 2013-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -10,22 +10,21 @@ */
 module.exports = function (grunt) {
-  'use strict';
+  'use strict'
 
   // Force use of Unix newlines
-  grunt.util.linefeed = '\n';
+  grunt.util.linefeed = '\n'
 
   RegExp.quote = function (string) {
-    return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&');
-  };
+    return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&')
+  }
 
-  var fs = require('fs');
-  var path = require('path');
-  var isTravis = require('is-travis');
+  var path = require('path')
+  var isTravis = require('is-travis')
 
-  var configBridge = grunt.file.readJSON('./grunt/configBridge.json', { encoding: 'utf8' });
+  var configBridge = grunt.file.readJSON('./grunt/configBridge.json', { encoding: 'utf8' })
 
   Object.keys(configBridge.paths).forEach(function (key) {
     configBridge.paths[key].forEach(function (val, i, arr) {
-      arr[i] = path.join('./docs', val);
-    });
-  });
+      arr[i] = path.join('./docs', val)
+    })
+  })
 
@@ -43,3 +42,3 @@ // Project configuration.
     jqueryCheck: 'if (typeof jQuery === \'undefined\') {\n' +
-                 '  throw new Error(\'Bootstrap\\\'s JavaScript requires jQuery\')\n' +
+                 '  throw new Error(\'Bootstrap\\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\\'s JavaScript.\')\n' +
                  '}\n',
@@ -105,3 +104,3 @@ jqueryVersionCheck: '+function ($) {\n' +
         process: function (src) {
-          return src.replace(/^(export|import).*/gm, '');
+          return src.replace(/^(export|import).*/gm, '')
         }
@@ -127,20 +126,2 @@ },
 
-    uglify: {
-      options: {
-        compress: {
-          warnings: false
-        },
-        mangle: true,
-        preserveComments: /^!|@preserve|@license|@cc_on/i
-      },
-      core: {
-        src: '<%= concat.bootstrap.dest %>',
-        dest: 'dist/js/<%= pkg.name %>.min.js'
-      },
-      docsJs: {
-        src: configBridge.paths.docsJs,
-        dest: 'docs/assets/js/docs.min.js'
-      }
-    },
-
     qunit: {
@@ -154,47 +135,2 @@ options: {
     // CSS build configuration
-    scsslint: {
-      options: {
-        bundleExec: true,
-        config: 'scss/.scss-lint.yml',
-        reporterOutput: null
-      },
-      core: {
-        src: ['scss/*.scss', '!scss/_normalize.scss']
-      },
-      docs: {
-        src: ['docs/assets/scss/*.scss', '!docs/assets/scss/docs.scss']
-      }
-    },
-
-    cssmin: {
-      options: {
-        compatibility: 'ie9,-properties.zeroUnits',
-        sourceMap: true,
-        // sourceMapInlineSources: true,
-        advanced: false
-      },
-      core: {
-        files: [
-          {
-            expand: true,
-            cwd: 'dist/css',
-            src: ['*.css', '!*.min.css'],
-            dest: 'dist/css',
-            ext: '.min.css'
-          }
-        ]
-      },
-      docs: {
-        files: [
-          {
-            expand: true,
-            cwd: 'docs/assets/css',
-            src: ['*.css', '!*.min.css'],
-            dest: 'docs/assets/css',
-            ext: '.min.css'
-          }
-        ]
-      }
-    },
-
     copy: {
@@ -283,2 +219,8 @@ docs: {
     exec: {
+      'clean-css': {
+        command: 'npm run clean-css'
+      },
+      'clean-css-docs': {
+        command: 'npm run clean-css-docs'
+      },
       postcss: {
@@ -293,4 +235,19 @@ command: 'npm run postcss'
       },
-      'upload-preview': {
-        command: './grunt/upload-preview.sh'
+      sass: {
+        command: 'npm run sass'
+      },
+      'sass-docs': {
+        command: 'npm run sass-docs'
+      },
+      'scss-lint': {
+        command: 'npm run scss-lint'
+      },
+      'scss-lint-docs': {
+        command: 'npm run scss-lint-docs'
+      },
+      uglify: {
+        command: 'npm run uglify'
+      },
+      'uglify-docs': {
+        command: 'npm run uglify-docs'
       }
@@ -333,23 +290,21 @@ },
 
-  });
+  })
 
 
   // These plugins provide necessary tasks.
-  require('load-grunt-tasks')(grunt, { scope: 'devDependencies',
-    // Exclude Sass compilers. We choose the one to load later on.
-    pattern: ['grunt-*', '!grunt-sass', '!grunt-contrib-sass'] });
-  require('time-grunt')(grunt);
+  require('load-grunt-tasks')(grunt)
+  require('time-grunt')(grunt)
 
   // Docs HTML validation task
-  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint', 'exec:htmlhint']);
+  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint', 'exec:htmlhint'])
 
   var runSubset = function (subset) {
-    return !process.env.TWBS_TEST || process.env.TWBS_TEST === subset;
-  };
+    return !process.env.TWBS_TEST || process.env.TWBS_TEST === subset
+  }
   var isUndefOrNonZero = function (val) {
-    return val === undefined || val !== '0';
-  };
+    return val === undefined || val !== '0'
+  }
 
   // Test task.
-  var testSubtasks = [];
+  var testSubtasks = []
   // Skip core tests if running a different subset of the test suite
@@ -359,3 +314,3 @@ if (runSubset('core') &&
     process.env.TRAVIS_REPO_SLUG !== 'twbs-savage/bootstrap') {
-    testSubtasks = testSubtasks.concat(['dist-css', 'dist-js', 'test-scss', 'qunit', 'docs']);
+    testSubtasks = testSubtasks.concat(['dist-css', 'dist-js', 'test-scss', 'qunit', 'docs'])
   }
@@ -367,3 +322,3 @@ // Skip HTML validation if running a different subset of the test suite
       isUndefOrNonZero(process.env.TWBS_DO_VALIDATOR)) {
-    testSubtasks.push('validate-html');
+    testSubtasks.push('validate-html')
   }
@@ -374,43 +329,38 @@ // Only run Sauce Labs tests if there's a Sauce access key
       runSubset('sauce-js-unit')) {
-    testSubtasks = testSubtasks.concat(['dist', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs', 'exec:upload-preview']);
+    testSubtasks = testSubtasks.concat(['dist', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs'])
     // Skip Sauce on Travis when [skip sauce] is in the commit message
     if (isUndefOrNonZero(process.env.TWBS_DO_SAUCE)) {
-      testSubtasks.push('connect');
-      testSubtasks.push('saucelabs-qunit');
+      testSubtasks.push('connect')
+      testSubtasks.push('saucelabs-qunit')
     }
   }
-  grunt.registerTask('test', testSubtasks);
+  grunt.registerTask('test', testSubtasks)
 
   // JS distribution task.
-  grunt.registerTask('dist-js', ['babel:dev', 'concat', 'babel:dist', 'stamp', 'uglify:core']);
+  grunt.registerTask('dist-js', ['babel:dev', 'concat', 'babel:dist', 'stamp', 'exec:uglify'])
 
-  grunt.registerTask('test-scss', ['scsslint:core']);
+  grunt.registerTask('test-scss', ['exec:scss-lint'])
 
   // CSS distribution task.
-  // Supported Compilers: sass (Ruby) and libsass.
-  (function (sassCompilerName) {
-    require('./grunt/bs-sass-compile/' + sassCompilerName + '.js')(grunt);
-  })(process.env.TWBS_SASS || 'libsass');
-  // grunt.registerTask('sass-compile', ['sass:core', 'sass:extras', 'sass:docs']);
-  grunt.registerTask('sass-compile', ['sass:core', 'sass:extras', 'sass:docs']);
+  grunt.registerTask('sass-compile', ['exec:sass', 'exec:sass-docs'])
 
-  grunt.registerTask('dist-css', ['sass-compile', 'exec:postcss', 'cssmin:core', 'cssmin:docs']);
+  grunt.registerTask('dist-css', ['sass-compile', 'exec:postcss', 'exec:clean-css', 'exec:clean-css-docs'])
 
   // Full distribution task.
-  grunt.registerTask('dist', ['clean:dist', 'dist-css', 'dist-js']);
+  grunt.registerTask('dist', ['clean:dist', 'dist-css', 'dist-js'])
 
   // Default task.
-  grunt.registerTask('default', ['clean:dist', 'test']);
+  grunt.registerTask('default', ['clean:dist', 'test'])
 
   // Docs task.
-  grunt.registerTask('docs-css', ['cssmin:docs', 'exec:postcss-docs']);
-  grunt.registerTask('lint-docs-css', ['scsslint:docs']);
-  grunt.registerTask('docs-js', ['uglify:docsJs']);
-  grunt.registerTask('docs', ['lint-docs-css', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs']);
-  grunt.registerTask('docs-github', ['jekyll:github']);
+  grunt.registerTask('docs-css', ['exec:clean-css-docs', 'exec:postcss-docs'])
+  grunt.registerTask('lint-docs-css', ['exec:scss-lint-docs'])
+  grunt.registerTask('docs-js', ['exec:uglify-docs'])
+  grunt.registerTask('docs', ['lint-docs-css', 'docs-css', 'docs-js', 'clean:docs', 'copy:docs'])
+  grunt.registerTask('docs-github', ['jekyll:github'])
 
-  grunt.registerTask('prep-release', ['dist', 'docs', 'docs-github', 'compress']);
+  grunt.registerTask('prep-release', ['dist', 'docs', 'docs-github', 'compress'])
 
   // Publish to GitHub
-  grunt.registerTask('publish', ['buildcontrol:pages']);
-};
+  grunt.registerTask('publish', ['buildcontrol:pages'])
+}

js/dist/alert.js

@@ -7,3 +7,3 @@ 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; }; }();
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.alert';
@@ -43,3 +43,3 @@ var EVENT_KEY = '.' + DATA_KEY;
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
@@ -107,4 +107,6 @@
     Alert.prototype._removeElement = function _removeElement(element) {
-      $(element).removeClass(ClassName.IN);
+      var _this = this;
 
+      $(element).removeClass(ClassName.SHOW);
+
       if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
@@ -115,3 +117,5 @@ this._destroyElement(element);
 
-      $(element).one(Util.TRANSITION_END, $.proxy(this._destroyElement, this, element)).emulateTransitionEnd(TRANSITION_DURATION);
+      $(element).one(Util.TRANSITION_END, function (event) {
+        return _this._destroyElement(element, event);
+      }).emulateTransitionEnd(TRANSITION_DURATION);
     };
@@ -118,0 +122,0 @@

js/dist/button.js

@@ -7,3 +7,3 @@ 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; }; }();
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   var NAME = 'button';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.button';
@@ -87,3 +87,3 @@ var EVENT_KEY = '.' + DATA_KEY;
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-            $(this._element).trigger('change');
+            $(input).trigger('change');
           }
@@ -93,6 +93,6 @@
         }
-      } else {
-        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
       }
 
+      this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+
       if (triggerChangeEvent) {
@@ -99,0 +99,0 @@ $(this._element).toggleClass(ClassName.ACTIVE);

js/dist/carousel.js

@@ -9,3 +9,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -24,3 +24,3 @@ * --------------------------------------------------------------------------
   var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.carousel';
@@ -52,3 +52,5 @@ var EVENT_KEY = '.' + DATA_KEY;
     NEXT: 'next',
-    PREVIOUS: 'prev'
+    PREV: 'prev',
+    LEFT: 'left',
+    RIGHT: 'right'
   };
@@ -70,4 +72,6 @@
     SLIDE: 'slide',
-    RIGHT: 'right',
-    LEFT: 'left',
+    RIGHT: 'carousel-item-right',
+    LEFT: 'carousel-item-left',
+    NEXT: 'carousel-item-next',
+    PREV: 'carousel-item-prev',
     ITEM: 'carousel-item'
@@ -80,3 +84,3 @@ };
     ITEM: '.carousel-item',
-    NEXT_PREV: '.next, .prev',
+    NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
     INDICATORS: '.carousel-indicators',
@@ -116,5 +120,6 @@ DATA_SLIDE: '[data-slide], [data-slide-to]',
     Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.NEXT);
     };
@@ -130,5 +135,6 @@
     Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.PREVIOUS);
     };
@@ -161,3 +167,3 @@
       if (this._config.interval && !this._isPaused) {
-        this._interval = setInterval($.proxy(document.visibilityState ? this.nextWhenVisible : this.next, this), this._config.interval);
+        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
       }
@@ -218,8 +224,16 @@ };
     Carousel.prototype._addEventListeners = function _addEventListeners() {
+      var _this2 = this;
+
       if (this._config.keyboard) {
-        $(this._element).on(Event.KEYDOWN, $.proxy(this._keydown, this));
+        $(this._element).on(Event.KEYDOWN, function (event) {
+          return _this2._keydown(event);
+        });
       }
 
       if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
-        $(this._element).on(Event.MOUSEENTER, $.proxy(this.pause, this)).on(Event.MOUSELEAVE, $.proxy(this.cycle, this));
+        $(this._element).on(Event.MOUSEENTER, function (event) {
+          return _this2.pause(event);
+        }).on(Event.MOUSELEAVE, function (event) {
+          return _this2.cycle(event);
+        });
       }
@@ -229,4 +243,2 @@ };
     Carousel.prototype._keydown = function _keydown(event) {
-      event.preventDefault();
-
       if (/input|textarea/i.test(event.target.tagName)) {
@@ -238,5 +250,7 @@ return;
         case ARROW_LEFT_KEYCODE:
+          event.preventDefault();
           this.prev();
           break;
         case ARROW_RIGHT_KEYCODE:
+          event.preventDefault();
           this.next();
@@ -271,6 +285,6 @@ break;
 
-    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, directionalClassname) {
+    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: directionalClassname
+        direction: eventDirectionName
       });
@@ -296,3 +310,3 @@
     Carousel.prototype._slide = function _slide(direction, element) {
-      var _this2 = this;
+      var _this3 = this;
 
@@ -304,4 +318,16 @@ var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
 
-      var directionalClassName = direction === Direction.NEXT ? ClassName.LEFT : ClassName.RIGHT;
+      var directionalClassName = void 0;
+      var orderClassName = void 0;
+      var eventDirectionName = void 0;
 
+      if (direction === Direction.NEXT) {
+        directionalClassName = ClassName.LEFT;
+        orderClassName = ClassName.NEXT;
+        eventDirectionName = Direction.LEFT;
+      } else {
+        directionalClassName = ClassName.RIGHT;
+        orderClassName = ClassName.PREV;
+        eventDirectionName = Direction.RIGHT;
+      }
+
       if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
@@ -312,3 +338,3 @@ this._isSliding = false;
 
-      var slideEvent = this._triggerSlideEvent(nextElement, directionalClassName);
+      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
       if (slideEvent.isDefaultPrevented()) {
@@ -333,3 +359,3 @@ return;
         relatedTarget: nextElement,
-        direction: directionalClassName
+        direction: eventDirectionName
       });
@@ -339,3 +365,3 @@
 
-        $(nextElement).addClass(direction);
+        $(nextElement).addClass(orderClassName);
 
@@ -348,12 +374,10 @@ Util.reflow(nextElement);
         $(activeElement).one(Util.TRANSITION_END, function () {
-          $(nextElement).removeClass(directionalClassName).removeClass(direction);
+          $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
 
-          $(nextElement).addClass(ClassName.ACTIVE);
+          $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
 
-          $(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);
+          _this3._isSliding = false;
 
-          _this2._isSliding = false;
-
           setTimeout(function () {
-            return $(_this2._element).trigger(slidEvent);
+            return $(_this3._element).trigger(slidEvent);
           }, 0);
@@ -360,0 +384,0 @@ }).emulateTransitionEnd(TRANSITION_DURATION);

js/dist/collapse.js

@@ -9,3 +9,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -24,3 +24,3 @@ * --------------------------------------------------------------------------
   var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.collapse';
@@ -51,3 +51,3 @@ var EVENT_KEY = '.' + DATA_KEY;
   var ClassName = {
-    IN: 'in',
+    SHOW: 'show',
     COLLAPSE: 'collapse',
@@ -64,3 +64,3 @@ COLLAPSING: 'collapsing',
   var Selector = {
-    ACTIVES: '.card > .in, .card > .collapsing',
+    ACTIVES: '.card > .show, .card > .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
@@ -100,3 +100,3 @@ };
     Collapse.prototype.toggle = function toggle() {
-      if ($(this._element).hasClass(ClassName.IN)) {
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         this.hide();
@@ -111,3 +111,7 @@ } else {
 
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         return;
@@ -120,3 +124,3 @@ }
       if (this._parent) {
-        actives = $.makeArray($(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
         if (!actives.length) {
@@ -161,3 +165,3 @@ actives = null;
       var complete = function complete() {
-        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.IN);
+        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
 
@@ -187,3 +191,7 @@ _this._element.style[dimension] = '';
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if (!$(this._element).hasClass(ClassName.SHOW)) {
         return;
@@ -205,3 +213,3 @@ }
 
-      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.IN);
+      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
@@ -274,3 +282,3 @@ this._element.setAttribute('aria-expanded', false);
       if (element) {
-        var isOpen = $(element).hasClass(ClassName.IN);
+        var isOpen = $(element).hasClass(ClassName.SHOW);
         element.setAttribute('aria-expanded', isOpen);
@@ -277,0 +285,0 @@

js/dist/dropdown.js

@@ -7,3 +7,3 @@ 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; }; }();
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.dropdown';
@@ -40,2 +40,3 @@ var EVENT_KEY = '.' + DATA_KEY;
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
+    FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY,
     KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
@@ -47,3 +48,3 @@ };
     DISABLED: 'disabled',
-    OPEN: 'open'
+    SHOW: 'show'
   };
@@ -86,3 +87,3 @@
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
@@ -104,3 +105,5 @@ Dropdown._clearMenus();
 
-      var relatedTarget = { relatedTarget: this };
+      var relatedTarget = {
+        relatedTarget: this
+      };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
@@ -115,5 +118,5 @@
       this.focus();
-      this.setAttribute('aria-expanded', 'true');
+      this.setAttribute('aria-expanded', true);
 
-      $(parent).toggleClass(ClassName.OPEN);
+      $(parent).toggleClass(ClassName.SHOW);
       $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
@@ -143,3 +146,4 @@
         if (!data) {
-          $(this).data(DATA_KEY, data = new Dropdown(this));
+          data = new Dropdown(this);
+          $(this).data(DATA_KEY, data);
         }
@@ -170,9 +174,11 @@
         var parent = Dropdown._getParentFromElement(toggles[i]);
-        var relatedTarget = { relatedTarget: toggles[i] };
+        var relatedTarget = {
+          relatedTarget: toggles[i]
+        };
 
-        if (!$(parent).hasClass(ClassName.OPEN)) {
+        if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) {
           continue;
@@ -189,3 +195,3 @@ }
 
-        $(parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
+        $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
@@ -218,3 +224,3 @@ };
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
@@ -232,8 +238,4 @@ if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
 
-      var items = $.makeArray($(Selector.VISIBLE_ITEMS));
+      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
 
-      items = items.filter(function (item) {
-        return item.offsetWidth || item.offsetHeight;
-      });
-
       if (!items.length) {
@@ -278,3 +280,3 @@ return;
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
@@ -281,0 +283,0 @@ });

js/dist/modal.js

@@ -9,3 +9,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -24,3 +24,3 @@ * --------------------------------------------------------------------------
   var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.modal';
@@ -67,3 +67,3 @@ var EVENT_KEY = '.' + DATA_KEY;
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
@@ -75,3 +75,3 @@
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
   };
@@ -96,2 +96,3 @@
       this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
       this._originalBodyPadding = 0;
@@ -112,2 +113,9 @@ this._scrollbarWidth = 0;
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
+      }
       var showEvent = $.Event(Event.SHOW, {
@@ -133,3 +141,5 @@ relatedTarget: relatedTarget
 
-      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, $.proxy(this.hide, this));
+      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
+        return _this.hide(event);
+      });
 
@@ -144,6 +154,10 @@ $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
 
-      this._showBackdrop($.proxy(this._showElement, this, relatedTarget));
+      this._showBackdrop(function () {
+        return _this._showElement(relatedTarget);
+      });
     };
 
     Modal.prototype.hide = function hide(event) {
+      var _this2 = this;
+
       if (event) {
@@ -153,4 +167,12 @@ event.preventDefault();
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+      if (transition) {
+        this._isTransitioning = true;
+      }
+
       var hideEvent = $.Event(Event.HIDE);
-
       $(this._element).trigger(hideEvent);
@@ -169,3 +191,3 @@
 
-      $(this._element).removeClass(ClassName.IN);
+      $(this._element).removeClass(ClassName.SHOW);
 
@@ -175,5 +197,6 @@ $(this._element).off(Event.CLICK_DISMISS);
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-
-        $(this._element).one(Util.TRANSITION_END, $.proxy(this._hideModal, this)).emulateTransitionEnd(TRANSITION_DURATION);
+      if (transition) {
+        $(this._element).one(Util.TRANSITION_END, function (event) {
+          return _this2._hideModal(event);
+        }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
@@ -187,6 +210,3 @@ this._hideModal();
 
-      $(window).off(EVENT_KEY);
-      $(document).off(EVENT_KEY);
-      $(this._element).off(EVENT_KEY);
-      $(this._backdrop).off(EVENT_KEY);
+      $(window, document, this._element, this._backdrop).off(EVENT_KEY);
 
@@ -213,3 +233,3 @@ this._config = null;
     Modal.prototype._showElement = function _showElement(relatedTarget) {
-      var _this2 = this;
+      var _this3 = this;
 
@@ -231,3 +251,3 @@ var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
-      $(this._element).addClass(ClassName.IN);
+      $(this._element).addClass(ClassName.SHOW);
 
@@ -243,6 +263,7 @@ if (this._config.focus) {
       var transitionComplete = function transitionComplete() {
-        if (_this2._config.focus) {
-          _this2._element.focus();
+        if (_this3._config.focus) {
+          _this3._element.focus();
         }
-        $(_this2._element).trigger(shownEvent);
+        _this3._isTransitioning = false;
+        $(_this3._element).trigger(shownEvent);
       };
@@ -258,8 +279,8 @@
     Modal.prototype._enforceFocus = function _enforceFocus() {
-      var _this3 = this;
+      var _this4 = this;
 
       $(document).off(Event.FOCUSIN) // guard against infinite focus loop
       .on(Event.FOCUSIN, function (event) {
-        if (document !== event.target && _this3._element !== event.target && !$(_this3._element).has(event.target).length) {
-          _this3._element.focus();
+        if (document !== event.target && _this4._element !== event.target && !$(_this4._element).has(event.target).length) {
+          _this4._element.focus();
         }
@@ -270,3 +291,3 @@ });
     Modal.prototype._setEscapeEvent = function _setEscapeEvent() {
-      var _this4 = this;
+      var _this5 = this;
 
@@ -276,3 +297,3 @@ if (this._isShown && this._config.keyboard) {
           if (event.which === ESCAPE_KEYCODE) {
-            _this4.hide();
+            _this5.hide();
           }
@@ -286,4 +307,8 @@ });
     Modal.prototype._setResizeEvent = function _setResizeEvent() {
+      var _this6 = this;
+
       if (this._isShown) {
-        $(window).on(Event.RESIZE, $.proxy(this._handleUpdate, this));
+        $(window).on(Event.RESIZE, function (event) {
+          return _this6._handleUpdate(event);
+        });
       } else {
@@ -295,11 +320,12 @@ $(window).off(Event.RESIZE);
     Modal.prototype._hideModal = function _hideModal() {
-      var _this5 = this;
+      var _this7 = this;
 
       this._element.style.display = 'none';
       this._element.setAttribute('aria-hidden', 'true');
+      this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
-        _this5._resetAdjustments();
-        _this5._resetScrollbar();
-        $(_this5._element).trigger(Event.HIDDEN);
+        _this7._resetAdjustments();
+        _this7._resetScrollbar();
+        $(_this7._element).trigger(Event.HIDDEN);
       });
@@ -316,3 +342,3 @@ };
     Modal.prototype._showBackdrop = function _showBackdrop(callback) {
-      var _this6 = this;
+      var _this8 = this;
 
@@ -334,4 +360,4 @@ var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
         $(this._element).on(Event.CLICK_DISMISS, function (event) {
-          if (_this6._ignoreBackdropClick) {
-            _this6._ignoreBackdropClick = false;
+          if (_this8._ignoreBackdropClick) {
+            _this8._ignoreBackdropClick = false;
             return;
@@ -342,6 +368,6 @@ }
           }
-          if (_this6._config.backdrop === 'static') {
-            _this6._element.focus();
+          if (_this8._config.backdrop === 'static') {
+            _this8._element.focus();
           } else {
-            _this6.hide();
+            _this8.hide();
           }
@@ -354,3 +380,3 @@ });
 
-        $(this._backdrop).addClass(ClassName.IN);
+        $(this._backdrop).addClass(ClassName.SHOW);
 
@@ -368,6 +394,6 @@ if (!callback) {
       } else if (!this._isShown && this._backdrop) {
-        $(this._backdrop).removeClass(ClassName.IN);
+        $(this._backdrop).removeClass(ClassName.SHOW);
 
         var callbackRemove = function callbackRemove() {
-          _this6._removeBackdrop();
+          _this8._removeBackdrop();
           if (callback) {
@@ -488,3 +514,3 @@ callback();
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this7 = this;
+    var _this9 = this;
 
@@ -500,3 +526,3 @@ var target = void 0;
 
-    if (this.tagName === 'A') {
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
       event.preventDefault();
@@ -512,4 +538,4 @@ }
       $target.one(Event.HIDDEN, function () {
-        if ($(_this7).is(':visible')) {
-          _this7.focus();
+        if ($(_this9).is(':visible')) {
+          _this9.focus();
         }
@@ -516,0 +542,0 @@ });

js/dist/popover.js

@@ -13,3 +13,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -28,3 +28,3 @@ * --------------------------------------------------------------------------
   var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.popover';
@@ -47,3 +47,3 @@ var EVENT_KEY = '.' + DATA_KEY;
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
@@ -101,3 +101,3 @@
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
@@ -104,0 +104,0 @@ this.cleanupTether();

js/dist/scrollspy.js

@@ -9,3 +9,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -24,3 +24,3 @@ * --------------------------------------------------------------------------
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.scrollspy';
@@ -82,2 +82,4 @@ var EVENT_KEY = '.' + DATA_KEY;
     function ScrollSpy(element, config) {
+      var _this = this;
+
       _classCallCheck(this, ScrollSpy);
@@ -94,3 +96,5 @@
 
-      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this));
+      $(this._scrollElement).on(Event.SCROLL, function (event) {
+        return _this._process(event);
+      });
 
@@ -106,3 +110,3 @@ this.refresh();
     ScrollSpy.prototype.refresh = function refresh() {
-      var _this = this;
+      var _this2 = this;
 
@@ -140,4 +144,4 @@ var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
       }).forEach(function (item) {
-        _this._offsets.push(item[0]);
-        _this._targets.push(item[1]);
+        _this2._offsets.push(item[0]);
+        _this2._targets.push(item[1]);
       });
@@ -180,3 +184,3 @@ };
     ScrollSpy.prototype._getScrollTop = function _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
+      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
     };
@@ -188,6 +192,10 @@
 
+    ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+    };
+
     ScrollSpy.prototype._process = function _process() {
       var scrollTop = this._getScrollTop() + this._config.offset;
       var scrollHeight = this._getScrollHeight();
-      var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight;
+      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
 
@@ -204,5 +212,6 @@ if (this._scrollHeight !== scrollHeight) {
         }
+        return;
       }
 
-      if (this._activeTarget && scrollTop < this._offsets[0]) {
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
         this._activeTarget = null;
@@ -240,3 +249,3 @@ this._clear();
         // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
       }
@@ -258,3 +267,3 @@
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config || null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
@@ -261,0 +270,0 @@ if (!data) {

js/dist/tab.js

@@ -7,3 +7,3 @@ 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; }; }();
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tab';
@@ -41,4 +41,5 @@ var EVENT_KEY = '.' + DATA_KEY;
     ACTIVE: 'active',
+    DISABLED: 'disabled',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
@@ -50,3 +51,3 @@
     DROPDOWN: '.dropdown',
-    UL: 'ul:not(.dropdown-menu)',
+    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
     FADE_CHILD: '> .nav-item .fade, > .fade',
@@ -80,3 +81,3 @@ ACTIVE: '.active',
 
-      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
         return;
@@ -87,7 +88,7 @@ }
       var previous = void 0;
-      var ulElement = $(this._element).closest(Selector.UL)[0];
+      var listElement = $(this._element).closest(Selector.LIST)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
-      if (ulElement) {
-        previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
+      if (listElement) {
+        previous = $.makeArray($(listElement).find(Selector.ACTIVE));
         previous = previous[previous.length - 1];
@@ -118,3 +119,3 @@ }
 
-      this._activate(this._element, ulElement);
+      this._activate(this._element, listElement);
 
@@ -149,6 +150,10 @@ var complete = function complete() {
     Tab.prototype._activate = function _activate(element, container, callback) {
+      var _this2 = this;
+
       var active = $(container).find(Selector.ACTIVE_CHILD)[0];
       var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
 
-      var complete = $.proxy(this._transitionComplete, this, element, active, isTransitioning, callback);
+      var complete = function complete() {
+        return _this2._transitionComplete(element, active, isTransitioning, callback);
+      };
 
@@ -162,3 +167,3 @@ if (active && isTransitioning) {
       if (active) {
-        $(active).removeClass(ClassName.IN);
+        $(active).removeClass(ClassName.SHOW);
       }
@@ -171,3 +176,3 @@ };
 
-        var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+        var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
 
@@ -186,3 +191,3 @@ if (dropdownChild) {
         Util.reflow(element);
-        $(element).addClass(ClassName.IN);
+        $(element).addClass(ClassName.SHOW);
       } else {
@@ -215,3 +220,3 @@ $(element).removeClass(ClassName.FADE);
         if (!data) {
-          data = data = new Tab(this);
+          data = new Tab(this);
           $this.data(DATA_KEY, data);
@@ -218,0 +223,0 @@ }

js/dist/tooltip.js

@@ -9,3 +9,3 @@ 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; };
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -21,3 +21,3 @@ * --------------------------------------------------------------------------
    */
-  if (window.Tether === undefined) {
+  if (typeof Tether === 'undefined') {
     throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
@@ -33,3 +33,3 @@ }
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tooltip';
@@ -51,3 +51,4 @@ var EVENT_KEY = '.' + DATA_KEY;
     offset: '0 0',
-    constraints: []
+    constraints: [],
+    container: false
   };
@@ -65,3 +66,4 @@
     offset: 'string',
-    constraints: 'array'
+    constraints: 'array',
+    container: '(string|element|boolean)'
   };
@@ -77,3 +79,3 @@
   var HoverState = {
-    IN: 'in',
+    SHOW: 'show',
     OUT: 'out'
@@ -97,3 +99,3 @@ };
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
@@ -133,2 +135,3 @@
       this._activeTrigger = {};
+      this._isTransitioning = false;
       this._tether = null;
@@ -179,3 +182,3 @@
 
-        if ($(this.getTipElement()).hasClass(ClassName.IN)) {
+        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
           this._leave(null, this);
@@ -197,2 +200,3 @@ return;
       $(this.element).off(this.constructor.EVENT_KEY);
+      $(this.element).closest('.modal').off('hide.bs.modal');
 
@@ -217,5 +221,11 @@ if (this.tip) {
 
+      if ($(this.element).css('display') === 'none') {
+        throw new Error('Please use show on visible elements');
+      }
+
       var showEvent = $.Event(this.constructor.Event.SHOW);
-
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning');
+        }
         $(this.element).trigger(showEvent);
@@ -245,4 +255,6 @@
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(document.body);
+        var container = this.config.container === false ? document.body : $(this.config.container);
 
+        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
+
         $(this.element).trigger(this.constructor.Event.INSERTED);
@@ -264,3 +276,3 @@
 
-        $(tip).addClass(ClassName.IN);
+        $(tip).addClass(ClassName.SHOW);
 
@@ -270,2 +282,3 @@ var complete = function complete() {
           _this._hoverState = null;
+          _this._isTransitioning = false;
 
@@ -280,2 +293,3 @@ $(_this.element).trigger(_this.constructor.Event.SHOWN);
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
@@ -294,4 +308,7 @@ return;
       var hideEvent = $.Event(this.constructor.Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning');
+      }
       var complete = function complete() {
-        if (_this2._hoverState !== HoverState.IN && tip.parentNode) {
+        if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
@@ -302,2 +319,3 @@ }
         $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+        _this2._isTransitioning = false;
         _this2.cleanupTether();
@@ -316,6 +334,10 @@
 
-      $(tip).removeClass(ClassName.IN);
+      $(tip).removeClass(ClassName.SHOW);
 
+      this._activeTrigger[Trigger.CLICK] = false;
+      this._activeTrigger[Trigger.FOCUS] = false;
+      this._activeTrigger[Trigger.HOVER] = false;
+
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-
+        this._isTransitioning = true;
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
@@ -344,3 +366,3 @@ } else {
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
@@ -395,3 +417,5 @@ this.cleanupTether();
         if (trigger === 'click') {
-          $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, $.proxy(_this3.toggle, _this3));
+          $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
+            return _this3.toggle(event);
+          });
         } else if (trigger !== Trigger.MANUAL) {
@@ -401,4 +425,12 @@ var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
 
-          $(_this3.element).on(eventIn, _this3.config.selector, $.proxy(_this3._enter, _this3)).on(eventOut, _this3.config.selector, $.proxy(_this3._leave, _this3));
+          $(_this3.element).on(eventIn, _this3.config.selector, function (event) {
+            return _this3._enter(event);
+          }).on(eventOut, _this3.config.selector, function (event) {
+            return _this3._leave(event);
+          });
         }
+
+        $(_this3.element).closest('.modal').on('hide.bs.modal', function () {
+          return _this3.hide();
+        });
       });
@@ -438,4 +470,4 @@
 
-      if ($(context.getTipElement()).hasClass(ClassName.IN) || context._hoverState === HoverState.IN) {
-        context._hoverState = HoverState.IN;
+      if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
+        context._hoverState = HoverState.SHOW;
         return;
@@ -446,3 +478,3 @@ }
 
-      context._hoverState = HoverState.IN;
+      context._hoverState = HoverState.SHOW;
 
@@ -455,3 +487,3 @@ if (!context.config.delay || !context.config.delay.show) {
       context._timeout = setTimeout(function () {
-        if (context._hoverState === HoverState.IN) {
+        if (context._hoverState === HoverState.SHOW) {
           context.show();
@@ -540,3 +572,3 @@ }
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
@@ -543,0 +575,0 @@ if (!data && /dispose|hide/.test(config)) {

js/dist/util.js

 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -58,3 +58,5 @@ * --------------------------------------------------------------------------
       if (el.style[name] !== undefined) {
-        return { end: TransitionEndEvent[name] };
+        return {
+          end: TransitionEndEvent[name]
+        };
       }
@@ -106,5 +108,4 @@ }
       do {
-        /* eslint-disable no-bitwise */
+        // eslint-disable-next-line no-bitwise
         prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
-        /* eslint-enable no-bitwise */
       } while (document.getElementById(prefix));
@@ -124,3 +125,3 @@ return prefix;
     reflow: function reflow(element) {
-      new Function('bs', 'return bs')(element.offsetHeight);
+      return element.offsetHeight;
     },
@@ -138,10 +139,4 @@ triggerTransitionEnd: function triggerTransitionEnd(element) {
           var value = config[property];
-          var valueType = void 0;
+          var valueType = value && isElement(value) ? 'element' : toType(value);
 
-          if (value && isElement(value)) {
-            valueType = 'element';
-          } else {
-            valueType = toType(value);
-          }
-
           if (!new RegExp(expectedTypes).test(valueType)) {
@@ -148,0 +143,0 @@ throw new Error(componentName.toUpperCase() + ': ' + ('Option "' + property + '" provided type "' + valueType + '" ') + ('but expected type "' + expectedTypes + '".'));

js/src/alert.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'alert'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.alert'
@@ -43,3 +43,3 @@ const EVENT_KEY           = `.${DATA_KEY}`
     FADE  : 'fade',
-    IN    : 'in'
+    SHOW  : 'show'
   }
@@ -73,4 +73,4 @@
 
-      let rootElement = this._getRootElement(element)
-      let customEvent = this._triggerCloseEvent(rootElement)
+      const rootElement = this._getRootElement(element)
+      const customEvent = this._triggerCloseEvent(rootElement)
 
@@ -93,4 +93,4 @@ if (customEvent.isDefaultPrevented()) {
     _getRootElement(element) {
-      let selector = Util.getSelectorFromElement(element)
-      let parent   = false
+      const selector = Util.getSelectorFromElement(element)
+      let parent     = false
 
@@ -109,3 +109,3 @@ if (selector) {
     _triggerCloseEvent(element) {
-      let closeEvent = $.Event(Event.CLOSE)
+      const closeEvent = $.Event(Event.CLOSE)
 
@@ -117,3 +117,3 @@ $(element).trigger(closeEvent)
     _removeElement(element) {
-      $(element).removeClass(ClassName.IN)
+      $(element).removeClass(ClassName.SHOW)
 
@@ -127,3 +127,3 @@ if (!Util.supportsTransitionEnd() ||
       $(element)
-        .one(Util.TRANSITION_END, $.proxy(this._destroyElement, this, element))
+        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))
         .emulateTransitionEnd(TRANSITION_DURATION)
@@ -144,4 +144,4 @@ }
       return this.each(function () {
-        let $element = $(this)
-        let data     = $element.data(DATA_KEY)
+        const $element = $(this)
+        let data       = $element.data(DATA_KEY)
 
@@ -148,0 +148,0 @@ if (!data) {

js/src/button.js

 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -18,3 +18,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'button'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.button'
@@ -70,3 +70,3 @@ const EVENT_KEY           = `.${DATA_KEY}`
       let triggerChangeEvent = true
-      let rootElement        = $(this._element).closest(
+      const rootElement      = $(this._element).closest(
         Selector.DATA_TOGGLE
@@ -76,3 +76,3 @@ )[0]
       if (rootElement) {
-        let input = $(this._element).find(Selector.INPUT)[0]
+        const input = $(this._element).find(Selector.INPUT)[0]
 
@@ -86,3 +86,3 @@ if (input) {
             } else {
-              let activeElement = $(rootElement).find(Selector.ACTIVE)[0]
+              const activeElement = $(rootElement).find(Selector.ACTIVE)[0]
 
@@ -97,3 +97,3 @@ if (activeElement) {
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE)
-            $(this._element).trigger('change')
+            $(input).trigger('change')
           }
@@ -104,7 +104,7 @@
 
-      } else {
-        this._element.setAttribute('aria-pressed',
-          !$(this._element).hasClass(ClassName.ACTIVE))
       }
 
+      this._element.setAttribute('aria-pressed',
+        !$(this._element).hasClass(ClassName.ACTIVE))
+
       if (triggerChangeEvent) {
@@ -160,3 +160,3 @@ $(this._element).toggleClass(ClassName.ACTIVE)
     .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {
-      let button = $(event.target).closest(Selector.BUTTON)[0]
+      const button = $(event.target).closest(Selector.BUTTON)[0]
       $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))
@@ -163,0 +163,0 @@ })

js/src/carousel.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'carousel'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.carousel'
@@ -50,3 +50,5 @@ const EVENT_KEY           = `.${DATA_KEY}`
     NEXT     : 'next',
-    PREVIOUS : 'prev'
+    PREV     : 'prev',
+    LEFT     : 'left',
+    RIGHT    : 'right'
   }
@@ -68,4 +70,6 @@
     SLIDE    : 'slide',
-    RIGHT    : 'right',
-    LEFT     : 'left',
+    RIGHT    : 'carousel-item-right',
+    LEFT     : 'carousel-item-left',
+    NEXT     : 'carousel-item-next',
+    PREV     : 'carousel-item-prev',
     ITEM     : 'carousel-item'
@@ -78,3 +82,3 @@ }
     ITEM        : '.carousel-item',
-    NEXT_PREV   : '.next, .prev',
+    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',
     INDICATORS  : '.carousel-indicators',
@@ -124,5 +128,6 @@ DATA_SLIDE  : '[data-slide], [data-slide-to]',
     next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT)
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding')
       }
+      this._slide(Direction.NEXT)
     }
@@ -138,5 +143,6 @@
     prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS)
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding')
       }
+      this._slide(Direction.PREVIOUS)
     }
@@ -171,3 +177,4 @@
         this._interval = setInterval(
-          $.proxy(document.visibilityState ? this.nextWhenVisible : this.next, this), this._config.interval
+          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),
+          this._config.interval
         )
@@ -180,5 +187,5 @@ }
 
-      let activeIndex = this._getItemIndex(this._activeElement)
+      const activeIndex = this._getItemIndex(this._activeElement)
 
-      if (index > (this._items.length - 1) || index < 0) {
+      if (index > this._items.length - 1 || index < 0) {
         return
@@ -198,3 +205,3 @@ }
 
-      let direction = index > activeIndex ?
+      const direction = index > activeIndex ?
         Direction.NEXT :
@@ -232,3 +239,3 @@ Direction.PREVIOUS
         $(this._element)
-          .on(Event.KEYDOWN, $.proxy(this._keydown, this))
+          .on(Event.KEYDOWN, (event) => this._keydown(event))
       }
@@ -239,4 +246,4 @@
         $(this._element)
-          .on(Event.MOUSEENTER, $.proxy(this.pause, this))
-          .on(Event.MOUSELEAVE, $.proxy(this.cycle, this))
+          .on(Event.MOUSEENTER, (event) => this.pause(event))
+          .on(Event.MOUSELEAVE, (event) => this.cycle(event))
       }
@@ -246,4 +253,2 @@ }
     _keydown(event) {
-      event.preventDefault()
-
       if (/input|textarea/i.test(event.target.tagName)) {
@@ -255,5 +260,7 @@ return
         case ARROW_LEFT_KEYCODE:
+          event.preventDefault()
           this.prev()
           break
         case ARROW_RIGHT_KEYCODE:
+          event.preventDefault()
           this.next()
@@ -272,8 +279,8 @@ break
     _getItemByDirection(direction, activeElement) {
-      let isNextDirection = direction === Direction.NEXT
-      let isPrevDirection = direction === Direction.PREVIOUS
-      let activeIndex     = this._getItemIndex(activeElement)
-      let lastItemIndex   = (this._items.length - 1)
-      let isGoingToWrap   = (isPrevDirection && activeIndex === 0) ||
-                            (isNextDirection && activeIndex === lastItemIndex)
+      const isNextDirection = direction === Direction.NEXT
+      const isPrevDirection = direction === Direction.PREVIOUS
+      const activeIndex     = this._getItemIndex(activeElement)
+      const lastItemIndex   = this._items.length - 1
+      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||
+                              isNextDirection && activeIndex === lastItemIndex
 
@@ -284,4 +291,4 @@ if (isGoingToWrap && !this._config.wrap) {
 
-      let delta     = direction === Direction.PREVIOUS ? -1 : 1
-      let itemIndex = (activeIndex + delta) % this._items.length
+      const delta     = direction === Direction.PREVIOUS ? -1 : 1
+      const itemIndex = (activeIndex + delta) % this._items.length
 
@@ -293,6 +300,6 @@ return itemIndex === -1 ?
 
-    _triggerSlideEvent(relatedTarget, directionalClassname) {
-      let slideEvent = $.Event(Event.SLIDE, {
+    _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      const slideEvent = $.Event(Event.SLIDE, {
         relatedTarget,
-        direction: directionalClassname
+        direction: eventDirectionName
       })
@@ -311,3 +318,3 @@
 
-        let nextIndicator = this._indicatorsElement.children[
+        const nextIndicator = this._indicatorsElement.children[
           this._getItemIndex(element)
@@ -323,12 +330,22 @@ ]
     _slide(direction, element) {
-      let activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]
-      let nextElement   = element || activeElement &&
+      const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]
+      const nextElement   = element || activeElement &&
         this._getItemByDirection(direction, activeElement)
 
-      let isCycling = Boolean(this._interval)
+      const isCycling = Boolean(this._interval)
 
-      let directionalClassName = direction === Direction.NEXT ?
-        ClassName.LEFT :
-        ClassName.RIGHT
+      let directionalClassName
+      let orderClassName
+      let eventDirectionName
 
+      if (direction === Direction.NEXT) {
+        directionalClassName = ClassName.LEFT
+        orderClassName = ClassName.NEXT
+        eventDirectionName = Direction.LEFT
+      } else {
+        directionalClassName = ClassName.RIGHT
+        orderClassName = ClassName.PREV
+        eventDirectionName = Direction.RIGHT
+      }
+
       if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
@@ -339,3 +356,3 @@ this._isSliding = false
 
-      let slideEvent = this._triggerSlideEvent(nextElement, directionalClassName)
+      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)
       if (slideEvent.isDefaultPrevented()) {
@@ -358,5 +375,5 @@ return
 
-      let slidEvent = $.Event(Event.SLID, {
+      const slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: directionalClassName
+        direction: eventDirectionName
       })
@@ -367,3 +384,3 @@
 
-        $(nextElement).addClass(direction)
+        $(nextElement).addClass(orderClassName)
 
@@ -378,12 +395,7 @@ Util.reflow(nextElement)
             $(nextElement)
-              .removeClass(directionalClassName)
-              .removeClass(direction)
+              .removeClass(`${directionalClassName} ${orderClassName}`)
+              .addClass(ClassName.ACTIVE)
 
-            $(nextElement).addClass(ClassName.ACTIVE)
+            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)
 
-            $(activeElement)
-              .removeClass(ClassName.ACTIVE)
-              .removeClass(direction)
-              .removeClass(directionalClassName)
-
             this._isSliding = false
@@ -415,3 +427,3 @@
         let data      = $(this).data(DATA_KEY)
-        let _config = $.extend({}, Default, $(this).data())
+        const _config = $.extend({}, Default, $(this).data())
 
@@ -422,3 +434,3 @@ if (typeof config === 'object') {
 
-        let action = typeof config === 'string' ? config : _config.slide
+        const action = typeof config === 'string' ? config : _config.slide
 
@@ -445,3 +457,3 @@ if (!data) {
     static _dataApiClickHandler(event) {
-      let selector = Util.getSelectorFromElement(this)
+      const selector = Util.getSelectorFromElement(this)
 
@@ -452,3 +464,3 @@ if (!selector) {
 
-      let target = $(selector)[0]
+      const target = $(selector)[0]
 
@@ -459,4 +471,4 @@ if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
 
-      let config     = $.extend({}, $(target).data(), $(this).data())
-      let slideIndex = this.getAttribute('data-slide-to')
+      const config     = $.extend({}, $(target).data(), $(this).data())
+      const slideIndex = this.getAttribute('data-slide-to')
 
@@ -490,3 +502,3 @@ if (slideIndex) {
     $(Selector.DATA_RIDE).each(function () {
-      let $carousel = $(this)
+      const $carousel = $(this)
       Carousel._jQueryInterface.call($carousel, $carousel.data())
@@ -493,0 +505,0 @@ })

js/src/collapse.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'collapse'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.collapse'
@@ -49,3 +49,3 @@ const EVENT_KEY           = `.${DATA_KEY}`
   const ClassName = {
-    IN         : 'in',
+    SHOW       : 'show',
     COLLAPSE   : 'collapse',
@@ -62,3 +62,3 @@ COLLAPSING : 'collapsing',
   const Selector = {
-    ACTIVES     : '.card > .in, .card > .collapsing',
+    ACTIVES     : '.card > .show, .card > .collapsing',
     DATA_TOGGLE : '[data-toggle="collapse"]'
@@ -111,3 +111,3 @@ }
     toggle() {
-      if ($(this._element).hasClass(ClassName.IN)) {
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         this.hide()
@@ -120,4 +120,7 @@ } else {
     show() {
-      if (this._isTransitioning ||
-        $(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning')
+      }
+
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         return
@@ -130,3 +133,3 @@ }
       if (this._parent) {
-        actives = $.makeArray($(Selector.ACTIVES))
+        actives = $.makeArray($(this._parent).find(Selector.ACTIVES))
         if (!actives.length) {
@@ -144,3 +147,3 @@ actives = null
 
-      let startEvent = $.Event(Event.SHOW)
+      const startEvent = $.Event(Event.SHOW)
       $(this._element).trigger(startEvent)
@@ -158,3 +161,3 @@ if (startEvent.isDefaultPrevented()) {
 
-      let dimension = this._getDimension()
+      const dimension = this._getDimension()
 
@@ -176,7 +179,7 @@ $(this._element)
 
-      let complete = () => {
+      const complete = () => {
         $(this._element)
           .removeClass(ClassName.COLLAPSING)
           .addClass(ClassName.COLLAPSE)
-          .addClass(ClassName.IN)
+          .addClass(ClassName.SHOW)
 
@@ -195,4 +198,4 @@ this._element.style[dimension] = ''
 
-      let capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
-      let scrollSize           = `scroll${capitalizedDimension}`
+      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
+      const scrollSize           = `scroll${capitalizedDimension}`
 
@@ -207,8 +210,11 @@ $(this._element)
     hide() {
-      if (this._isTransitioning ||
-        !$(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning')
+      }
+
+      if (!$(this._element).hasClass(ClassName.SHOW)) {
         return
       }
 
-      let startEvent = $.Event(Event.HIDE)
+      const startEvent = $.Event(Event.HIDE)
       $(this._element).trigger(startEvent)
@@ -219,4 +225,4 @@ if (startEvent.isDefaultPrevented()) {
 
-      let dimension       = this._getDimension()
-      let offsetDimension = dimension === Dimension.WIDTH ?
+      const dimension       = this._getDimension()
+      const offsetDimension = dimension === Dimension.WIDTH ?
         'offsetWidth' : 'offsetHeight'
@@ -231,3 +237,3 @@
         .removeClass(ClassName.COLLAPSE)
-        .removeClass(ClassName.IN)
+        .removeClass(ClassName.SHOW)
 
@@ -244,3 +250,3 @@ this._element.setAttribute('aria-expanded', false)
 
-      let complete = () => {
+      const complete = () => {
         this.setTransitioning(false)
@@ -290,3 +296,3 @@ $(this._element)
     _getDimension() {
-      let hasWidth = $(this._element).hasClass(Dimension.WIDTH)
+      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)
       return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT
@@ -296,4 +302,4 @@ }
     _getParent() {
-      let parent   = $(this._config.parent)[0]
-      let selector =
+      const parent   = $(this._config.parent)[0]
+      const selector =
         `[data-toggle="collapse"][data-parent="${this._config.parent}"]`
@@ -313,3 +319,3 @@
       if (element) {
-        let isOpen = $(element).hasClass(ClassName.IN)
+        const isOpen = $(element).hasClass(ClassName.SHOW)
         element.setAttribute('aria-expanded', isOpen)
@@ -329,3 +335,3 @@
     static _getTargetFromElement(element) {
-      let selector = Util.getSelectorFromElement(element)
+      const selector = Util.getSelectorFromElement(element)
       return selector ? $(selector)[0] : null
@@ -336,5 +342,5 @@ }
       return this.each(function () {
-        let $this   = $(this)
-        let data    = $this.data(DATA_KEY)
-        let _config = $.extend(
+        const $this   = $(this)
+        let data      = $this.data(DATA_KEY)
+        const _config = $.extend(
           {},
@@ -376,5 +382,5 @@ Default,
 
-    let target = Collapse._getTargetFromElement(this)
-    let data   = $(target).data(DATA_KEY)
-    let config = data ? 'toggle' : $(this).data()
+    const target = Collapse._getTargetFromElement(this)
+    const data   = $(target).data(DATA_KEY)
+    const config = data ? 'toggle' : $(this).data()
 
@@ -381,0 +387,0 @@ Collapse._jQueryInterface.call($(target), config)

js/src/dropdown.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                     = 'dropdown'
-  const VERSION                  = '4.0.0-alpha.5'
+  const VERSION                  = '4.0.0-alpha.6'
   const DATA_KEY                 = 'bs.dropdown'
@@ -40,2 +40,3 @@ const EVENT_KEY                = `.${DATA_KEY}`
     CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,
+    FOCUSIN_DATA_API : `focusin${EVENT_KEY}${DATA_API_KEY}`,
     KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`
@@ -47,3 +48,3 @@ }
     DISABLED : 'disabled',
-    OPEN     : 'open'
+    SHOW     : 'show'
   }
@@ -92,4 +93,4 @@
 
-      let parent   = Dropdown._getParentFromElement(this)
-      let isActive = $(parent).hasClass(ClassName.OPEN)
+      const parent   = Dropdown._getParentFromElement(this)
+      const isActive = $(parent).hasClass(ClassName.SHOW)
 
@@ -103,6 +104,6 @@ Dropdown._clearMenus()
       if ('ontouchstart' in document.documentElement &&
-         (!$(parent).closest(Selector.NAVBAR_NAV).length)) {
+         !$(parent).closest(Selector.NAVBAR_NAV).length) {
 
         // if mobile we use a backdrop because click events don't delegate
-        let dropdown       = document.createElement('div')
+        const dropdown     = document.createElement('div')
         dropdown.className = ClassName.BACKDROP
@@ -113,4 +114,6 @@ $(dropdown).insertBefore(this)
 
-      let relatedTarget = { relatedTarget : this }
-      let showEvent     = $.Event(Event.SHOW, relatedTarget)
+      const relatedTarget = {
+        relatedTarget : this
+      }
+      const showEvent     = $.Event(Event.SHOW, relatedTarget)
 
@@ -124,5 +127,5 @@ $(parent).trigger(showEvent)
       this.focus()
-      this.setAttribute('aria-expanded', 'true')
+      this.setAttribute('aria-expanded', true)
 
-      $(parent).toggleClass(ClassName.OPEN)
+      $(parent).toggleClass(ClassName.SHOW)
       $(parent).trigger($.Event(Event.SHOWN, relatedTarget))
@@ -151,6 +154,7 @@
       return this.each(function () {
-        let data  = $(this).data(DATA_KEY)
+        let data = $(this).data(DATA_KEY)
 
         if (!data) {
-          $(this).data(DATA_KEY, (data = new Dropdown(this)))
+          data = new Dropdown(this)
+          $(this).data(DATA_KEY, data)
         }
@@ -172,3 +176,3 @@
 
-      let backdrop = $(Selector.BACKDROP)[0]
+      const backdrop = $(Selector.BACKDROP)[0]
       if (backdrop) {
@@ -178,19 +182,21 @@ backdrop.parentNode.removeChild(backdrop)
 
-      let toggles = $.makeArray($(Selector.DATA_TOGGLE))
+      const toggles = $.makeArray($(Selector.DATA_TOGGLE))
 
       for (let i = 0; i < toggles.length; i++) {
-        let parent        = Dropdown._getParentFromElement(toggles[i])
-        let relatedTarget = { relatedTarget : toggles[i] }
+        const parent        = Dropdown._getParentFromElement(toggles[i])
+        const relatedTarget = {
+          relatedTarget : toggles[i]
+        }
 
-        if (!$(parent).hasClass(ClassName.OPEN)) {
+        if (!$(parent).hasClass(ClassName.SHOW)) {
           continue
         }
 
-        if (event && event.type === 'click' &&
-           (/input|textarea/i.test(event.target.tagName)) &&
-           ($.contains(parent, event.target))) {
+        if (event && (event.type === 'click' &&
+            /input|textarea/i.test(event.target.tagName) || event.type === 'focusin')
+            && $.contains(parent, event.target)) {
           continue
         }
 
-        let hideEvent = $.Event(Event.HIDE, relatedTarget)
+        const hideEvent = $.Event(Event.HIDE, relatedTarget)
         $(parent).trigger(hideEvent)
@@ -204,3 +210,3 @@ if (hideEvent.isDefaultPrevented()) {
         $(parent)
-          .removeClass(ClassName.OPEN)
+          .removeClass(ClassName.SHOW)
           .trigger($.Event(Event.HIDDEN, relatedTarget))
@@ -212,3 +218,3 @@ }
       let parent
-      let selector = Util.getSelectorFromElement(element)
+      const selector = Util.getSelectorFromElement(element)
 
@@ -235,10 +241,10 @@ if (selector) {
 
-      let parent   = Dropdown._getParentFromElement(this)
-      let isActive = $(parent).hasClass(ClassName.OPEN)
+      const parent   = Dropdown._getParentFromElement(this)
+      const isActive = $(parent).hasClass(ClassName.SHOW)
 
-      if ((!isActive && event.which !== ESCAPE_KEYCODE) ||
-           (isActive && event.which === ESCAPE_KEYCODE)) {
+      if (!isActive && event.which !== ESCAPE_KEYCODE ||
+           isActive && event.which === ESCAPE_KEYCODE) {
 
         if (event.which === ESCAPE_KEYCODE) {
-          let toggle = $(parent).find(Selector.DATA_TOGGLE)[0]
+          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]
           $(toggle).trigger('focus')
@@ -251,8 +257,4 @@ }
 
-      let items = $.makeArray($(Selector.VISIBLE_ITEMS))
+      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()
 
-      items = items.filter((item) => {
-        return item.offsetWidth || item.offsetHeight
-      })
-
       if (!items.length) {
@@ -292,3 +294,3 @@ return
     .on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler)
-    .on(Event.CLICK_DATA_API, Dropdown._clearMenus)
+    .on(`${Event.CLICK_DATA_API} ${Event.FOCUSIN_DATA_API}`, Dropdown._clearMenus)
     .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle)
@@ -295,0 +297,0 @@ .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {

js/src/modal.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                         = 'modal'
-  const VERSION                      = '4.0.0-alpha.5'
+  const VERSION                      = '4.0.0-alpha.6'
   const DATA_KEY                     = 'bs.modal'
@@ -65,3 +65,3 @@ const EVENT_KEY                    = `.${DATA_KEY}`
     FADE               : 'fade',
-    IN                 : 'in'
+    SHOW               : 'show'
   }
@@ -73,3 +73,3 @@
     DATA_DISMISS       : '[data-dismiss="modal"]',
-    FIXED_CONTENT      : '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
   }
@@ -94,2 +94,3 @@
       this._ignoreBackdropClick = false
+      this._isTransitioning     = false
       this._originalBodyPadding = 0
@@ -118,3 +119,11 @@ this._scrollbarWidth      = 0
     show(relatedTarget) {
-      let showEvent = $.Event(Event.SHOW, {
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning')
+      }
+
+      if (Util.supportsTransitionEnd() &&
+        $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true
+      }
+      const showEvent = $.Event(Event.SHOW, {
         relatedTarget
@@ -142,3 +151,3 @@ })
         Selector.DATA_DISMISS,
-        $.proxy(this.hide, this)
+        (event) => this.hide(event)
       )
@@ -154,5 +163,3 @@
 
-      this._showBackdrop(
-        $.proxy(this._showElement, this, relatedTarget)
-      )
+      this._showBackdrop(() => this._showElement(relatedTarget))
     }
@@ -165,4 +172,13 @@
 
-      let hideEvent = $.Event(Event.HIDE)
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning')
+      }
 
+      const transition = Util.supportsTransitionEnd() &&
+        $(this._element).hasClass(ClassName.FADE)
+      if (transition) {
+        this._isTransitioning = true
+      }
+
+      const hideEvent = $.Event(Event.HIDE)
       $(this._element).trigger(hideEvent)
@@ -181,3 +197,3 @@
 
-      $(this._element).removeClass(ClassName.IN)
+      $(this._element).removeClass(ClassName.SHOW)
 
@@ -187,7 +203,5 @@ $(this._element).off(Event.CLICK_DISMISS)
 
-      if (Util.supportsTransitionEnd() &&
-         ($(this._element).hasClass(ClassName.FADE))) {
-
+      if (transition) {
         $(this._element)
-          .one(Util.TRANSITION_END, $.proxy(this._hideModal, this))
+          .one(Util.TRANSITION_END, (event) => this._hideModal(event))
           .emulateTransitionEnd(TRANSITION_DURATION)
@@ -202,6 +216,3 @@ } else {
 
-      $(window).off(EVENT_KEY)
-      $(document).off(EVENT_KEY)
-      $(this._element).off(EVENT_KEY)
-      $(this._backdrop).off(EVENT_KEY)
+      $(window, document, this._element, this._backdrop).off(EVENT_KEY)
 
@@ -229,7 +240,7 @@ this._config              = null
     _showElement(relatedTarget) {
-      let transition = Util.supportsTransitionEnd() &&
+      const transition = Util.supportsTransitionEnd() &&
         $(this._element).hasClass(ClassName.FADE)
 
       if (!this._element.parentNode ||
-         (this._element.parentNode.nodeType !== Node.ELEMENT_NODE)) {
+         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
         // don't move modals dom position
@@ -247,3 +258,3 @@ document.body.appendChild(this._element)
 
-      $(this._element).addClass(ClassName.IN)
+      $(this._element).addClass(ClassName.SHOW)
 
@@ -254,10 +265,11 @@ if (this._config.focus) {
 
-      let shownEvent = $.Event(Event.SHOWN, {
+      const shownEvent = $.Event(Event.SHOWN, {
         relatedTarget
       })
 
-      let transitionComplete = () => {
+      const transitionComplete = () => {
         if (this._config.focus) {
           this._element.focus()
         }
+        this._isTransitioning = false
         $(this._element).trigger(shownEvent)
@@ -281,3 +293,3 @@ }
               this._element !== event.target &&
-              (!$(this._element).has(event.target).length)) {
+              !$(this._element).has(event.target).length) {
             this._element.focus()
@@ -303,3 +315,3 @@ }
       if (this._isShown) {
-        $(window).on(Event.RESIZE, $.proxy(this._handleUpdate, this))
+        $(window).on(Event.RESIZE, (event) => this._handleUpdate(event))
       } else {
@@ -313,2 +325,3 @@ $(window).off(Event.RESIZE)
       this._element.setAttribute('aria-hidden', 'true')
+      this._isTransitioning = false
       this._showBackdrop(() => {
@@ -330,7 +343,7 @@ $(document.body).removeClass(ClassName.OPEN)
     _showBackdrop(callback) {
-      let animate = $(this._element).hasClass(ClassName.FADE) ?
+      const animate = $(this._element).hasClass(ClassName.FADE) ?
         ClassName.FADE : ''
 
       if (this._isShown && this._config.backdrop) {
-        let doAnimate = Util.supportsTransitionEnd() && animate
+        const doAnimate = Util.supportsTransitionEnd() && animate
 
@@ -365,3 +378,3 @@ this._backdrop = document.createElement('div')
 
-        $(this._backdrop).addClass(ClassName.IN)
+        $(this._backdrop).addClass(ClassName.SHOW)
 
@@ -382,5 +395,5 @@ if (!callback) {
       } else if (!this._isShown && this._backdrop) {
-        $(this._backdrop).removeClass(ClassName.IN)
+        $(this._backdrop).removeClass(ClassName.SHOW)
 
-        let callbackRemove = () => {
+        const callbackRemove = () => {
           this._removeBackdrop()
@@ -393,3 +406,3 @@ if (callback) {
         if (Util.supportsTransitionEnd() &&
-           ($(this._element).hasClass(ClassName.FADE))) {
+           $(this._element).hasClass(ClassName.FADE)) {
           $(this._backdrop)
@@ -418,3 +431,3 @@ .one(Util.TRANSITION_END, callbackRemove)
     _adjustDialog() {
-      let isModalOverflowing =
+      const isModalOverflowing =
         this._element.scrollHeight > document.documentElement.clientHeight
@@ -442,3 +455,3 @@
     _setScrollbar() {
-      let bodyPadding = parseInt(
+      const bodyPadding = parseInt(
         $(Selector.FIXED_CONTENT).css('padding-right') || 0,
@@ -461,6 +474,6 @@ 10
     _getScrollbarWidth() { // thx d.walsh
-      let scrollDiv = document.createElement('div')
+      const scrollDiv = document.createElement('div')
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER
       document.body.appendChild(scrollDiv)
-      let scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
+      const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
       document.body.removeChild(scrollDiv)
@@ -475,4 +488,4 @@ return scrollbarWidth
       return this.each(function () {
-        let data    = $(this).data(DATA_KEY)
-        let _config = $.extend(
+        let data      = $(this).data(DATA_KEY)
+        const _config = $.extend(
           {},
@@ -511,3 +524,3 @@ Modal.Default,
     let target
-    let selector = Util.getSelectorFromElement(this)
+    const selector = Util.getSelectorFromElement(this)
 
@@ -518,10 +531,10 @@ if (selector) {
 
-    let config = $(target).data(DATA_KEY) ?
+    const config = $(target).data(DATA_KEY) ?
       'toggle' : $.extend({}, $(target).data(), $(this).data())
 
-    if (this.tagName === 'A') {
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
       event.preventDefault()
     }
 
-    let $target = $(target).one(Event.SHOW, (showEvent) => {
+    const $target = $(target).one(Event.SHOW, (showEvent) => {
       if (showEvent.isDefaultPrevented()) {
@@ -528,0 +541,0 @@ // only register focus restorer if modal will actually get shown

js/src/popover.js

@@ -6,3 +6,3 @@ import Tooltip from './tooltip'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'popover'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.popover'
@@ -43,3 +43,3 @@ const EVENT_KEY           = `.${DATA_KEY}`
     FADE : 'fade',
-    IN  : 'in'
+    SHOW : 'show'
   }
@@ -113,7 +113,7 @@
     getTipElement() {
-      return (this.tip = this.tip || $(this.config.template)[0])
+      return this.tip = this.tip || $(this.config.template)[0]
     }
 
     setContent() {
-      let $tip = $(this.getTipElement())
+      const $tip = $(this.getTipElement())
 
@@ -124,5 +124,3 @@ // we use append for html objects to maintain js events
 
-      $tip
-        .removeClass(ClassName.FADE)
-        .removeClass(ClassName.IN)
+      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
 
@@ -146,4 +144,4 @@ this.cleanupTether()
       return this.each(function () {
-        let data   = $(this).data(DATA_KEY)
-        let _config = typeof config === 'object' ? config : null
+        let data      = $(this).data(DATA_KEY)
+        const _config = typeof config === 'object' ? config : null
 
@@ -150,0 +148,0 @@ if (!data && /destroy|hide/.test(config)) {

js/src/scrollspy.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME               = 'scrollspy'
-  const VERSION            = '4.0.0-alpha.5'
+  const VERSION            = '4.0.0-alpha.6'
   const DATA_KEY           = 'bs.scrollspy'
@@ -92,3 +92,3 @@ const EVENT_KEY          = `.${DATA_KEY}`
 
-      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this))
+      $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))
 
@@ -114,9 +114,9 @@ this.refresh()
     refresh() {
-      let autoMethod = this._scrollElement !== this._scrollElement.window ?
+      const autoMethod = this._scrollElement !== this._scrollElement.window ?
         OffsetMethod.POSITION : OffsetMethod.OFFSET
 
-      let offsetMethod = this._config.method === 'auto' ?
+      const offsetMethod = this._config.method === 'auto' ?
         autoMethod : this._config.method
 
-      let offsetBase = offsetMethod === OffsetMethod.POSITION ?
+      const offsetBase = offsetMethod === OffsetMethod.POSITION ?
         this._getScrollTop() : 0
@@ -129,3 +129,3 @@
 
-      let targets = $.makeArray($(this._selector))
+      const targets = $.makeArray($(this._selector))
 
@@ -135,3 +135,3 @@ targets
           let target
-          let targetSelector = Util.getSelectorFromElement(element)
+          const targetSelector = Util.getSelectorFromElement(element)
 
@@ -195,3 +195,3 @@ if (targetSelector) {
       return this._scrollElement === window ?
-          this._scrollElement.scrollY : this._scrollElement.scrollTop
+          this._scrollElement.pageYOffset : this._scrollElement.scrollTop
     }
@@ -206,8 +206,13 @@
 
+    _getOffsetHeight() {
+      return this._scrollElement === window ?
+          window.innerHeight : this._scrollElement.offsetHeight
+    }
+
     _process() {
-      let scrollTop    = this._getScrollTop() + this._config.offset
-      let scrollHeight = this._getScrollHeight()
-      let maxScroll    = this._config.offset
+      const scrollTop    = this._getScrollTop() + this._config.offset
+      const scrollHeight = this._getScrollHeight()
+      const maxScroll    = this._config.offset
         + scrollHeight
-        - this._scrollElement.offsetHeight
+        - this._getOffsetHeight()
 
@@ -219,3 +224,3 @@ if (this._scrollHeight !== scrollHeight) {
       if (scrollTop >= maxScroll) {
-        let target = this._targets[this._targets.length - 1]
+        const target = this._targets[this._targets.length - 1]
 
@@ -225,5 +230,6 @@ if (this._activeTarget !== target) {
         }
+        return
       }
 
-      if (this._activeTarget && scrollTop < this._offsets[0]) {
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
         this._activeTarget = null
@@ -235,3 +241,3 @@ this._clear()
       for (let i = this._offsets.length; i--;) {
-        let isActiveTarget = this._activeTarget !== this._targets[i]
+        const isActiveTarget = this._activeTarget !== this._targets[i]
             && scrollTop >= this._offsets[i]
@@ -258,3 +264,3 @@ && (this._offsets[i + 1] === undefined ||
 
-      let $link = $(queries.join(','))
+      const $link = $(queries.join(','))
 
@@ -267,3 +273,3 @@ if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
         // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE)
+        $link.parents(Selector.LI).find(`> ${Selector.NAV_LINKS}`).addClass(ClassName.ACTIVE)
       }
@@ -285,4 +291,4 @@
       return this.each(function () {
-        let data    = $(this).data(DATA_KEY)
-        let _config = typeof config === 'object' && config || null
+        let data      = $(this).data(DATA_KEY)
+        const _config = typeof config === 'object' && config
 
@@ -314,6 +320,6 @@ if (!data) {
   $(window).on(Event.LOAD_DATA_API, () => {
-    let scrollSpys = $.makeArray($(Selector.DATA_SPY))
+    const scrollSpys = $.makeArray($(Selector.DATA_SPY))
 
     for (let i = scrollSpys.length; i--;) {
-      let $spy = $(scrollSpys[i])
+      const $spy = $(scrollSpys[i])
       ScrollSpy._jQueryInterface.call($spy, $spy.data())
@@ -320,0 +326,0 @@ }

js/src/tab.js

@@ -6,3 +6,3 @@ import Util from './util'
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -22,3 +22,3 @@ * --------------------------------------------------------------------------
   const NAME                = 'tab'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.tab'
@@ -41,4 +41,5 @@ const EVENT_KEY           = `.${DATA_KEY}`
     ACTIVE        : 'active',
+    DISABLED      : 'disabled',
     FADE          : 'fade',
-    IN            : 'in'
+    SHOW          : 'show'
   }
@@ -50,3 +51,3 @@
     DROPDOWN              : '.dropdown',
-    UL                    : 'ul:not(.dropdown-menu)',
+    LIST                  : 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
     FADE_CHILD            : '> .nav-item .fade, > .fade',
@@ -85,4 +86,5 @@ ACTIVE                : '.active',
       if (this._element.parentNode &&
-         (this._element.parentNode.nodeType === Node.ELEMENT_NODE) &&
-         ($(this._element).hasClass(ClassName.ACTIVE))) {
+          this._element.parentNode.nodeType === Node.ELEMENT_NODE &&
+          $(this._element).hasClass(ClassName.ACTIVE) ||
+          $(this._element).hasClass(ClassName.DISABLED)) {
         return
@@ -93,15 +95,15 @@ }
       let previous
-      let ulElement = $(this._element).closest(Selector.UL)[0]
-      let selector  = Util.getSelectorFromElement(this._element)
+      const listElement = $(this._element).closest(Selector.LIST)[0]
+      const selector    = Util.getSelectorFromElement(this._element)
 
-      if (ulElement) {
-        previous = $.makeArray($(ulElement).find(Selector.ACTIVE))
+      if (listElement) {
+        previous = $.makeArray($(listElement).find(Selector.ACTIVE))
         previous = previous[previous.length - 1]
       }
 
-      let hideEvent = $.Event(Event.HIDE, {
+      const hideEvent = $.Event(Event.HIDE, {
         relatedTarget: this._element
       })
 
-      let showEvent = $.Event(Event.SHOW, {
+      const showEvent = $.Event(Event.SHOW, {
         relatedTarget: previous
@@ -117,3 +119,3 @@ })
       if (showEvent.isDefaultPrevented() ||
-         (hideEvent.isDefaultPrevented())) {
+         hideEvent.isDefaultPrevented()) {
         return
@@ -128,11 +130,11 @@ }
         this._element,
-        ulElement
+        listElement
       )
 
-      let complete = () => {
-        let hiddenEvent = $.Event(Event.HIDDEN, {
+      const complete = () => {
+        const hiddenEvent = $.Event(Event.HIDDEN, {
           relatedTarget: this._element
         })
 
-        let shownEvent  = $.Event(Event.SHOWN, {
+        const shownEvent = $.Event(Event.SHOWN, {
           relatedTarget: previous
@@ -161,11 +163,9 @@ })
     _activate(element, container, callback) {
-      let active          = $(container).find(Selector.ACTIVE_CHILD)[0]
-      let isTransitioning = callback
+      const active          = $(container).find(Selector.ACTIVE_CHILD)[0]
+      const isTransitioning = callback
         && Util.supportsTransitionEnd()
-        && ((active && $(active).hasClass(ClassName.FADE))
+        && (active && $(active).hasClass(ClassName.FADE)
            || Boolean($(container).find(Selector.FADE_CHILD)[0]))
 
-      let complete = $.proxy(
-        this._transitionComplete,
-        this,
+      const complete = () => this._transitionComplete(
         element,
@@ -187,3 +187,3 @@ active,
       if (active) {
-        $(active).removeClass(ClassName.IN)
+        $(active).removeClass(ClassName.SHOW)
       }
@@ -196,3 +196,3 @@ }
 
-        let dropdownChild = $(active).find(
+        const dropdownChild = $(active.parentNode).find(
           Selector.DROPDOWN_ACTIVE_CHILD
@@ -213,3 +213,3 @@ )[0]
         Util.reflow(element)
-        $(element).addClass(ClassName.IN)
+        $(element).addClass(ClassName.SHOW)
       } else {
@@ -220,5 +220,5 @@ $(element).removeClass(ClassName.FADE)
       if (element.parentNode &&
-         ($(element.parentNode).hasClass(ClassName.DROPDOWN_MENU))) {
+          $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-        let dropdownElement = $(element).closest(Selector.DROPDOWN)[0]
+        const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]
         if (dropdownElement) {
@@ -241,7 +241,7 @@ $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)
       return this.each(function () {
-        let $this = $(this)
-        let data  = $this.data(DATA_KEY)
+        const $this = $(this)
+        let data    = $this.data(DATA_KEY)
 
         if (!data) {
-          data = data = new Tab(this)
+          data = new Tab(this)
           $this.data(DATA_KEY, data)
@@ -248,0 +248,0 @@ }

js/src/tooltip.js

@@ -8,3 +8,3 @@ /* global Tether */
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -20,3 +20,3 @@ * --------------------------------------------------------------------------
    */
-  if (window.Tether === undefined) {
+  if (typeof Tether === 'undefined') {
     throw new Error('Bootstrap tooltips require Tether (http://tether.io/)')
@@ -33,3 +33,3 @@ }
   const NAME                = 'tooltip'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.tooltip'
@@ -52,3 +52,4 @@ const EVENT_KEY           = `.${DATA_KEY}`
     offset      : '0 0',
-    constraints : []
+    constraints : [],
+    container   : false
   }
@@ -66,3 +67,4 @@
     offset      : 'string',
-    constraints : 'array'
+    constraints : 'array',
+    container   : '(string|element|boolean)'
   }
@@ -78,4 +80,4 @@
   const HoverState = {
-    IN  : 'in',
-    OUT : 'out'
+    SHOW : 'show',
+    OUT  : 'out'
   }
@@ -98,3 +100,3 @@
     FADE : 'fade',
-    IN   : 'in'
+    SHOW : 'show'
   }
@@ -131,7 +133,8 @@
       // private
-      this._isEnabled      = true
-      this._timeout        = 0
-      this._hoverState     = ''
-      this._activeTrigger  = {}
-      this._tether         = null
+      this._isEnabled        = true
+      this._timeout          = 0
+      this._hoverState       = ''
+      this._activeTrigger    = {}
+      this._isTransitioning  = false
+      this._tether           = null
 
@@ -195,3 +198,3 @@ // protected
       if (event) {
-        let dataKey = this.constructor.DATA_KEY
+        const dataKey = this.constructor.DATA_KEY
         let context = $(event.currentTarget).data(dataKey)
@@ -217,3 +220,3 @@
 
-        if ($(this.getTipElement()).hasClass(ClassName.IN)) {
+        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
           this._leave(null, this)
@@ -235,2 +238,3 @@ return
       $(this.element).off(this.constructor.EVENT_KEY)
+      $(this.element).closest('.modal').off('hide.bs.modal')
 
@@ -241,7 +245,7 @@ if (this.tip) {
 
-      this._isEnabled      = null
-      this._timeout        = null
-      this._hoverState     = null
-      this._activeTrigger  = null
-      this._tether         = null
+      this._isEnabled     = null
+      this._timeout       = null
+      this._hoverState    = null
+      this._activeTrigger = null
+      this._tether        = null
 
@@ -254,8 +258,14 @@ this.element = null
     show() {
-      let showEvent = $.Event(this.constructor.Event.SHOW)
+      if ($(this.element).css('display') === 'none') {
+        throw new Error('Please use show on visible elements')
+      }
 
+      const showEvent = $.Event(this.constructor.Event.SHOW)
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning')
+        }
         $(this.element).trigger(showEvent)
 
-        let isInTheDom = $.contains(
+        const isInTheDom = $.contains(
           this.element.ownerDocument.documentElement,
@@ -269,4 +279,4 @@ this.element
 
-        let tip   = this.getTipElement()
-        let tipId = Util.getUID(this.constructor.NAME)
+        const tip   = this.getTipElement()
+        const tipId = Util.getUID(this.constructor.NAME)
 
@@ -282,11 +292,13 @@ tip.setAttribute('id', tipId)
 
-        let placement  = typeof this.config.placement === 'function' ?
+        const placement  = typeof this.config.placement === 'function' ?
           this.config.placement.call(this, tip, this.element) :
           this.config.placement
 
-        let attachment = this._getAttachment(placement)
+        const attachment = this._getAttachment(placement)
 
+        const container = this.config.container === false ? document.body : $(this.config.container)
+
         $(tip)
           .data(this.constructor.DATA_KEY, this)
-          .appendTo(document.body)
+          .appendTo(container)
 
@@ -309,7 +321,8 @@ $(this.element).trigger(this.constructor.Event.INSERTED)
 
-        $(tip).addClass(ClassName.IN)
+        $(tip).addClass(ClassName.SHOW)
 
-        let complete = () => {
-          let prevHoverState = this._hoverState
+        const complete = () => {
+          const prevHoverState = this._hoverState
           this._hoverState   = null
+          this._isTransitioning = false
 
@@ -324,2 +337,3 @@ $(this.element).trigger(this.constructor.Event.SHOWN)
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true
           $(this.tip)
@@ -336,6 +350,9 @@ .one(Util.TRANSITION_END, complete)
     hide(callback) {
-      let tip       = this.getTipElement()
-      let hideEvent = $.Event(this.constructor.Event.HIDE)
-      let complete  = () => {
-        if (this._hoverState !== HoverState.IN && tip.parentNode) {
+      const tip       = this.getTipElement()
+      const hideEvent = $.Event(this.constructor.Event.HIDE)
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning')
+      }
+      const complete  = () => {
+        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip)
@@ -346,2 +363,3 @@ }
         $(this.element).trigger(this.constructor.Event.HIDDEN)
+        this._isTransitioning = false
         this.cleanupTether()
@@ -360,7 +378,11 @@
 
-      $(tip).removeClass(ClassName.IN)
+      $(tip).removeClass(ClassName.SHOW)
 
+      this._activeTrigger[Trigger.CLICK] = false
+      this._activeTrigger[Trigger.FOCUS] = false
+      this._activeTrigger[Trigger.HOVER] = false
+
       if (Util.supportsTransitionEnd() &&
-         ($(this.tip).hasClass(ClassName.FADE))) {
-
+          $(this.tip).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true
         $(tip)
@@ -385,13 +407,11 @@ .one(Util.TRANSITION_END, complete)
     getTipElement() {
-      return (this.tip = this.tip || $(this.config.template)[0])
+      return this.tip = this.tip || $(this.config.template)[0]
     }
 
     setContent() {
-      let $tip = $(this.getTipElement())
+      const $tip = $(this.getTipElement())
 
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())
 
-      $tip
-        .removeClass(ClassName.FADE)
-        .removeClass(ClassName.IN)
+      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
 
@@ -402,3 +422,3 @@ this.cleanupTether()
     setElementContent($element, content) {
-      let html = this.config.html
+      const html = this.config.html
       if (typeof content === 'object' && (content.nodeType || content.jquery)) {
@@ -444,3 +464,3 @@ // content is a DOM node or a jQuery
     _setListeners() {
-      let triggers = this.config.trigger.split(' ')
+      const triggers = this.config.trigger.split(' ')
 
@@ -452,10 +472,10 @@ triggers.forEach((trigger) => {
             this.config.selector,
-            $.proxy(this.toggle, this)
+            (event) => this.toggle(event)
           )
 
         } else if (trigger !== Trigger.MANUAL) {
-          let eventIn  = trigger === Trigger.HOVER ?
+          const eventIn  = trigger === Trigger.HOVER ?
             this.constructor.Event.MOUSEENTER :
             this.constructor.Event.FOCUSIN
-          let eventOut = trigger === Trigger.HOVER ?
+          const eventOut = trigger === Trigger.HOVER ?
             this.constructor.Event.MOUSELEAVE :
@@ -468,3 +488,3 @@ this.constructor.Event.FOCUSOUT
               this.config.selector,
-              $.proxy(this._enter, this)
+              (event) => this._enter(event)
             )
@@ -474,5 +494,10 @@ .on(
               this.config.selector,
-              $.proxy(this._leave, this)
+              (event) => this._leave(event)
             )
         }
+
+        $(this.element).closest('.modal').on(
+          'hide.bs.modal',
+          () => this.hide()
+        )
       })
@@ -491,5 +516,5 @@
     _fixTitle() {
-      let titleType = typeof this.element.getAttribute('data-original-title')
+      const titleType = typeof this.element.getAttribute('data-original-title')
       if (this.element.getAttribute('title') ||
-         (titleType !== 'string')) {
+         titleType !== 'string') {
         this.element.setAttribute(
@@ -504,3 +529,3 @@ 'data-original-title',
     _enter(event, context) {
-      let dataKey = this.constructor.DATA_KEY
+      const dataKey = this.constructor.DATA_KEY
 
@@ -523,5 +548,5 @@ context = context || $(event.currentTarget).data(dataKey)
 
-      if ($(context.getTipElement()).hasClass(ClassName.IN) ||
-         (context._hoverState === HoverState.IN)) {
-        context._hoverState = HoverState.IN
+      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||
+         context._hoverState === HoverState.SHOW) {
+        context._hoverState = HoverState.SHOW
         return
@@ -532,3 +557,3 @@ }
 
-      context._hoverState = HoverState.IN
+      context._hoverState = HoverState.SHOW
 
@@ -541,3 +566,3 @@ if (!context.config.delay || !context.config.delay.show) {
       context._timeout = setTimeout(() => {
-        if (context._hoverState === HoverState.IN) {
+        if (context._hoverState === HoverState.SHOW) {
           context.show()
@@ -549,3 +574,3 @@ }
     _leave(event, context) {
-      let dataKey = this.constructor.DATA_KEY
+      const dataKey = this.constructor.DATA_KEY
 
@@ -589,3 +614,3 @@ context = context || $(event.currentTarget).data(dataKey)
     _isWithActiveTrigger() {
-      for (let trigger in this._activeTrigger) {
+      for (const trigger in this._activeTrigger) {
         if (this._activeTrigger[trigger]) {
@@ -624,6 +649,6 @@ return true
     _getDelegateConfig() {
-      let config = {}
+      const config = {}
 
       if (this.config) {
-        for (let key in this.config) {
+        for (const key in this.config) {
           if (this.constructor.Default[key] !== this.config[key]) {
@@ -643,5 +668,4 @@ config[key] = this.config[key]
       return this.each(function () {
-        let data   = $(this).data(DATA_KEY)
-        let _config = typeof config === 'object' ?
-          config : null
+        let data      = $(this).data(DATA_KEY)
+        const _config = typeof config === 'object' && config
 
@@ -648,0 +672,0 @@ if (!data && /dispose|hide/.test(config)) {

js/src/util.js

 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -30,3 +30,3 @@ * --------------------------------------------------------------------------
   function toType(obj) {
-    return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
+    return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
   }
@@ -56,7 +56,9 @@
 
-    let el = document.createElement('bootstrap')
+    const el = document.createElement('bootstrap')
 
-    for (let name in TransitionEndEvent) {
+    for (const name in TransitionEndEvent) {
       if (el.style[name] !== undefined) {
-        return { end: TransitionEndEvent[name] }
+        return {
+          end: TransitionEndEvent[name]
+        }
       }
@@ -101,3 +103,3 @@ }
 
-  let Util = {
+  const Util = {
 
@@ -108,5 +110,4 @@ TRANSITION_END: 'bsTransitionEnd',
       do {
-        /* eslint-disable no-bitwise */
+        // eslint-disable-next-line no-bitwise
         prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
-        /* eslint-enable no-bitwise */
       } while (document.getElementById(prefix))
@@ -128,3 +129,3 @@ return prefix
     reflow(element) {
-      new Function('bs', 'return bs')(element.offsetHeight)
+      return element.offsetHeight
     },
@@ -141,14 +142,9 @@
     typeCheckConfig(componentName, config, configTypes) {
-      for (let property in configTypes) {
+      for (const property in configTypes) {
         if (configTypes.hasOwnProperty(property)) {
-          let expectedTypes = configTypes[property]
-          let value         = config[property]
-          let valueType
+          const expectedTypes = configTypes[property]
+          const value         = config[property]
+          const valueType     = value && isElement(value) ?
+                                'element' : toType(value)
 
-          if (value && isElement(value)) {
-            valueType = 'element'
-          } else {
-            valueType = toType(value)
-          }
-
           if (!new RegExp(expectedTypes).test(valueType)) {
@@ -155,0 +151,0 @@ throw new Error(

js/tests/unit/alert.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -37,3 +37,3 @@ QUnit.module('alert plugin')
     assert.expect(1)
-    var alertHTML = '<div class="alert alert-danger fade in">'
+    var alertHTML = '<div class="alert alert-danger fade show">'
         + '<a class="close" href="#" data-dismiss="alert">×</a>'
@@ -47,3 +47,3 @@ + '<p><strong>Holy guacamole!</strong> Best check yo self, you\'re not looking too good.</p>'
 
-    assert.strictEqual($alert.hasClass('in'), false, 'remove .in class on .close click')
+    assert.strictEqual($alert.hasClass('show'), false, 'remove .show class on .close click')
   })
@@ -53,3 +53,3 @@
     assert.expect(2)
-    var alertHTML = '<div class="alert alert-danger fade in">'
+    var alertHTML = '<div class="alert alert-danger fade show">'
         + '<a class="close" href="#" data-dismiss="alert">×</a>'
@@ -56,0 +56,0 @@ + '<p><strong>Holy guacamole!</strong> Best check yo self, you\'re not looking too good.</p>'

js/tests/unit/button.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -63,2 +63,13 @@ QUnit.module('button plugin')
 
+  QUnit.test('should toggle aria-pressed on buttons with container', function (assert) {
+    assert.expect(1)
+    var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
+        '<button id="btn1" class="btn btn-secondary" type="button">One</button>' +
+        '<button class="btn btn-secondary" type="button">Two</button>' +
+      '</div>'
+    $('#qunit-fixture').append(groupHTML)
+    $('#btn1').bootstrapButton('toggle')
+    assert.strictEqual($('#btn1').attr('aria-pressed'), 'true')
+  })
+
   QUnit.test('should toggle aria-pressed when btn children are clicked', function (assert) {
@@ -76,2 +87,22 @@ assert.expect(2)
 
+  QUnit.test('should trigger input change event when toggled button has input field', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+
+    var groupHTML = '<div class="btn-group" data-toggle="buttons">'
+      + '<label class="btn btn-primary">'
+      + '<input type="radio" id="radio" autocomplete="off">Radio'
+      + '</label>'
+      + '</div>'
+    var $group = $(groupHTML).appendTo('#qunit-fixture')
+
+    $group.find('input').on('change', function (e) {
+      e.preventDefault()
+      assert.ok(true, 'change event fired')
+      done()
+    })
+
+    $group.find('label').trigger('click')
+  })
+
   QUnit.test('should check for closest matching toggle', function (assert) {
@@ -78,0 +109,0 @@ assert.expect(12)

js/tests/unit/carousel.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -510,2 +510,33 @@ QUnit.module('carousel plugin')
 
+  QUnit.test('should not prevent keydown if key is not ARROW_LEFT or ARROW_RIGHT', function (assert) {
+    assert.expect(2)
+    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false">'
+        + '<div class="carousel-inner">'
+        + '<div id="first" class="carousel-item active">'
+        + '<img alt="">'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $template = $(templateHTML)
+
+    $template.bootstrapCarousel()
+    var done = assert.async()
+
+    var eventArrowDown = $.Event('keydown', { which: 40 })
+    var eventArrowUp   = $.Event('keydown', { which: 38 })
+
+    $template.one('keydown', function (event) {
+      assert.strictEqual(event.isDefaultPrevented(), false)
+    })
+
+    $template.trigger(eventArrowDown)
+
+    $template.one('keydown', function (event) {
+      assert.strictEqual(event.isDefaultPrevented(), false)
+      done()
+    })
+
+    $template.trigger(eventArrowUp)
+  })
+
   QUnit.test('should support disabling the keyboard navigation', function (assert) {
@@ -763,2 +794,34 @@ assert.expect(3)
   })
+
+  QUnit.test('should not prevent keydown for inputs and textareas', function (assert) {
+    assert.expect(2)
+    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false">'
+        + '<div class="carousel-inner">'
+          + '<div id="first" class="carousel-item">'
+            + '<input type="text" id="inputText" />'
+          + '</div>'
+          + '<div id="second" class="carousel-item active">'
+            + '<textarea id="txtArea"></textarea>'
+          + '</div>'
+        + '</div>'
+        + '</div>'
+    var $template = $(templateHTML)
+    var done = assert.async()
+    $template.appendTo('#qunit-fixture')
+    var $inputText = $template.find('#inputText')
+    var $textArea = $template.find('#txtArea')
+    $template.bootstrapCarousel()
+
+    var eventKeyDown = $.Event('keydown', { which: 65 }) // 65 for "a"
+    $inputText.on('keydown', function (event) {
+      assert.strictEqual(event.isDefaultPrevented(), false)
+    })
+    $inputText.trigger(eventKeyDown)
+
+    $textArea.on('keydown', function (event) {
+      assert.strictEqual(event.isDefaultPrevented(), false)
+      done()
+    })
+    $textArea.trigger(eventKeyDown)
+  })
 })

js/tests/unit/collapse.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -51,6 +51,29 @@ QUnit.module('collapse plugin')
 
-    assert.ok($el.hasClass('in'), 'has class "in"')
+    assert.ok($el.hasClass('show'), 'has class "show"')
     assert.ok(!/height/i.test($el.attr('style')), 'has height reset')
   })
 
+  QUnit.test('should collapse only the first collapse', function (assert) {
+    assert.expect(2)
+    var html = [
+      '<div class="panel-group" id="accordion1">',
+      '<div class="panel">',
+      '<div id="collapse1" class="collapse"/>',
+      '</div>',
+      '</div>',
+      '<div class="panel-group" id="accordion2">',
+      '<div class="panel">',
+      '<div id="collapse2" class="collapse show"/>',
+      '</div>',
+      '</div>'
+    ].join('')
+    $(html).appendTo('#qunit-fixture')
+    var $el1 = $('#collapse1')
+    var $el2 = $('#collapse2')
+    $el1.bootstrapCollapse('show')
+
+    assert.ok($el1.hasClass('show'))
+    assert.ok($el2.hasClass('show'))
+  })
+
   QUnit.test('should hide a collapsed element', function (assert) {
@@ -60,3 +83,3 @@ assert.expect(1)
 
-    assert.ok(!$el.hasClass('in'), 'does not have class "in"')
+    assert.ok(!$el.hasClass('show'), 'does not have class "show"')
   })
@@ -132,3 +155,3 @@
 
-    $('<div id="test1" class="in"/>')
+    $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -168,3 +191,3 @@ .on('hidden.bs.collapse', function () {
 
-    $('<div id="test1" class="in"/>')
+    $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -184,3 +207,3 @@ .on('hidden.bs.collapse', function () {
 
-    var $test = $('<div id="test1" class="in"/>')
+    var $test = $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -229,3 +252,3 @@ .on('hide.bs.collapse', function () {
 
-    $('<div class="collapse in"></div>')
+    $('<div class="collapse show"></div>')
       .appendTo('#qunit-fixture')
@@ -253,3 +276,3 @@ .on('hide.bs.collapse', function () {
 
-    $('<div id="body1" class="in"/>').appendTo($groups.eq(0))
+    $('<div id="body1" class="show"/>').appendTo($groups.eq(0))
 
@@ -288,3 +311,3 @@ var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
-    $('<div id="body1" class="in"/>').appendTo($groups.eq(0))
+    $('<div id="body1" class="show"/>').appendTo($groups.eq(0))
 
@@ -332,3 +355,3 @@ var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent=".accordion"/>').appendTo($groups.eq(1))
 
-    $('<div id="test1" class="in"/>')
+    $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -368,3 +391,3 @@ .on('hidden.bs.collapse', function () {
 
-    $('<div id="test1" class="in"/>')
+    $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -393,3 +416,3 @@ .on('hidden.bs.collapse', function () {
 
-    $('<div id="body1" aria-expanded="true" class="in"/>').appendTo($groups.eq(0))
+    $('<div id="body1" aria-expanded="true" class="show"/>').appendTo($groups.eq(0))
 
@@ -440,3 +463,3 @@ var $target2 = $('<a role="button" data-toggle="collapse" href="#body2" data-parent="#accordion" class="collapsed" />').appendTo($groups.eq(1))
     $body2
-      .toggleClass('in collapsing')
+      .toggleClass('show collapsing')
       .data('bs.collapse')._isTransitioning = 1
@@ -458,3 +481,3 @@
 
-    $('<div id="test1" class="in"/>')
+    $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
@@ -461,0 +484,0 @@ .on('hidden.bs.collapse', function () {

js/tests/unit/dropdown.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -62,3 +62,3 @@ QUnit.module('dropdowns plugin')
 
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
   })
@@ -132,6 +132,6 @@
 
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
   })
 
-  QUnit.test('should add class open to menu if clicked', function (assert) {
+  QUnit.test('should add class show to menu if clicked', function (assert) {
     assert.expect(1)
@@ -151,3 +151,3 @@ var dropdownHTML = '<ul class="tabs">'
 
-    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
   })
@@ -170,7 +170,7 @@
 
-    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
   })
 
 
-  QUnit.test('should remove "open" class if body is clicked', function (assert) {
+  QUnit.test('should remove "show" class if body is clicked', function (assert) {
     assert.expect(2)
@@ -194,8 +194,32 @@ var dropdownHTML = '<ul class="tabs">'
 
-    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
     $(document.body).trigger('click')
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class removed')
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class removed')
   })
 
-  QUnit.test('should remove "open" class if body is clicked, with multiple dropdowns', function (assert) {
+  QUnit.test('should remove "show" class if body is focused', function (assert) {
+    assert.expect(2)
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="dropdown-divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML)
+       .appendTo('#qunit-fixture')
+       .find('[data-toggle="dropdown"]')
+       .bootstrapDropdown()
+       .trigger('click')
+
+    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+    $(document.body).trigger('focusin')
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class removed')
+  })
+
+  QUnit.test('should remove "show" class if body is clicked, with multiple dropdowns', function (assert) {
     assert.expect(7)
@@ -225,14 +249,50 @@ var dropdownHTML = '<ul class="nav">'
     $first.trigger('click')
-    assert.strictEqual($first.parents('.open').length, 1, '"open" class added on click')
-    assert.strictEqual($('#qunit-fixture .open').length, 1, 'only one dropdown is open')
+    assert.strictEqual($first.parents('.show').length, 1, '"show" class added on click')
+    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is shown')
     $(document.body).trigger('click')
-    assert.strictEqual($('#qunit-fixture .open').length, 0, '"open" class removed')
+    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
 
     $last.trigger('click')
-    assert.strictEqual($last.parent('.open').length, 1, '"open" class added on click')
-    assert.strictEqual($('#qunit-fixture .open').length, 1, 'only one dropdown is open')
+    assert.strictEqual($last.parent('.show').length, 1, '"show" class added on click')
+    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is shown')
     $(document.body).trigger('click')
-    assert.strictEqual($('#qunit-fixture .open').length, 0, '"open" class removed')
+    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
   })
 
+  QUnit.test('should remove "show" class if body is focused, with multiple dropdowns', function (assert) {
+    assert.expect(7)
+    var dropdownHTML = '<div class="nav">'
+        + '<div class="dropdown" id="testmenu">'
+        + '<a class="dropdown-toggle" data-toggle="dropdown" href="#testmenu">Test menu <span class="caret"/></a>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#sub1">Submenu 1</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '<div class="btn-group">'
+        + '<button class="btn">Actions</button>'
+        + '<button class="btn dropdown-toggle" data-toggle="dropdown"><span class="caret"/></button>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Action 1</a>'
+        + '</div>'
+        + '</div>'
+    var $dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]')
+    var $first = $dropdowns.first()
+    var $last = $dropdowns.last()
+
+    assert.strictEqual($dropdowns.length, 2, 'two dropdowns')
+
+    $first.trigger('click')
+    assert.strictEqual($first.parents('.show').length, 1, '"show" class added on click')
+    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is show')
+    $(document.body).trigger('focusin')
+    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
+
+    $last.trigger('click')
+    assert.strictEqual($last.parent('.show').length, 1, '"show" class added on click')
+    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is show')
+    $(document.body).trigger('focusin')
+    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
+  })
+
   QUnit.test('should fire show and hide event', function (assert) {
@@ -420,3 +480,3 @@ assert.expect(2)
 
-    assert.ok($dropdown.parent('.btn-group').hasClass('open'), 'dropdown menu is open')
+    assert.ok($dropdown.parent('.btn-group').hasClass('show'), 'dropdown menu is shown')
   })
@@ -440,4 +500,4 @@
 
-    assert.ok($dropdown.parent('.btn-group').hasClass('open'), 'dropdown menu is open')
+    assert.ok($dropdown.parent('.btn-group').hasClass('show'), 'dropdown menu is shown')
   })
 })

js/tests/unit/modal.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -177,2 +177,15 @@ QUnit.module('modal plugin')
 
+  QUnit.test('should not close modal when clicking outside of modal-content if data-backdrop="true"', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+
+    $('<div id="modal-test" data-backdrop="false"><div class="contents"/></div>')
+      .on('shown.bs.modal', function () {
+        $('#modal-test').trigger('click')
+        assert.ok($('#modal-test').is(':visible'), 'modal not hidden')
+        done()
+      })
+      .bootstrapModal('show')
+  })
+
   QUnit.test('should close modal when escape key is pressed via keydown', function (assert) {
@@ -367,2 +380,40 @@ assert.expect(3)
 
+  QUnit.test('should have a paddingRight when the modal is taller than the viewport', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    $('<div class="fixed-top fixed-bottom sticky-top is-fixed">@Johann-S</div>').appendTo('#qunit-fixture')
+    $('.fixed-top, .fixed-bottom, .is-fixed, .sticky-top').css('padding-right', '10px')
+
+    $('<div id="modal-test"/>')
+      .on('shown.bs.modal', function () {
+        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
+        assert.strictEqual(isNaN(paddingRight), false)
+        assert.strictEqual(paddingRight !== 0, true)
+        $(document.body).css('padding-right', '') // Because test case "should ignore other inline styles when trying to restore body padding after closing" fail if not
+        done()
+      })
+      .bootstrapModal('show')
+  })
+
+  QUnit.test('should remove padding-right on modal after closing', function (assert) {
+    assert.expect(3)
+    var done = assert.async()
+    $('<div class="fixed-top fixed-bottom is-fixed sticky-top">@Johann-S</div>').appendTo('#qunit-fixture')
+    $('.fixed-top, .fixed-bottom, .is-fixed, .sticky-top').css('padding-right', '10px')
+
+    $('<div id="modal-test"/>')
+      .on('shown.bs.modal', function () {
+        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
+        assert.strictEqual(isNaN(paddingRight), false)
+        assert.strictEqual(paddingRight !== 0, true)
+        $(this).bootstrapModal('hide')
+      })
+      .on('hidden.bs.modal', function () {
+        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
+        assert.strictEqual(paddingRight, 0)
+        done()
+      })
+      .bootstrapModal('show')
+  })
+
   QUnit.test('should ignore other inline styles when trying to restore body padding after closing', function (assert) {
@@ -408,2 +459,24 @@ assert.expect(2)
   })
+
+  QUnit.test('should not follow link in area tag', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+
+    $('<map><area id="test" shape="default" data-toggle="modal" data-target="#modal-test" href="demo.html"/></map>')
+      .appendTo('#qunit-fixture')
+
+    $('<div id="modal-test"><div class="contents"><div id="close" data-dismiss="modal"/></div></div>')
+      .appendTo('#qunit-fixture')
+
+    $('#test')
+      .on('click.bs.modal.data-api', function (event) {
+        assert.notOk(event.isDefaultPrevented(), 'navigating to href will happen')
+
+        setTimeout(function () {
+          assert.ok(event.isDefaultPrevented(), 'model shown instead of navigating to href')
+          done()
+        }, 1)
+      })
+      .trigger('click')
+  })
 })

js/tests/unit/phantom.js

@@ -10,3 +10,3 @@ /*
 (function () {
-  'use strict';
+  'use strict'
 
@@ -74,30 +74,1 @@ // Don't re-order tests.
 }())
-
-
-// bind polyfill
-// shoutout mdn: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill
-
-if (!Function.prototype.bind) {
-  Function.prototype.bind = function (oThis) {
-    if (typeof this !== 'function') {
-      // closest thing possible to the ECMAScript 5
-      // internal IsCallable function
-      throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-    }
-
-    var aArgs   = Array.prototype.slice.call(arguments, 1)
-    var fToBind = this
-    var FNOP    = function () {}
-    var fBound  = function () {
-      return fToBind.apply(this instanceof FNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)))
-    }
-
-    if (this.prototype) {
-      // native functions don't have a prototype
-      FNOP.prototype = this.prototype
-    }
-    fBound.prototype = new FNOP()
-
-    return fBound
-  }
-}

js/tests/unit/popover.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -232,3 +232,3 @@ QUnit.module('popover plugin')
 
-    assert.ok(!$popover.hasClass('in'), 'popover is hidden')
+    assert.ok(!$popover.hasClass('show'), 'popover is hidden')
     assert.ok(!$popover.data('popover'), 'popover does not have data')
@@ -324,2 +324,46 @@ assert.strictEqual($._data($popover[0], 'events').click[0].namespace, 'foo', 'popover still has click.foo')
 
+  QUnit.test('should throw an error when show is called on hidden elements', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+
+    try {
+      $('<div data-toggle="popover" data-title="some title" data-content="@Johann-S" style="display: none"/>').bootstrapPopover('show')
+    }
+    catch (err) {
+      assert.strictEqual(err.message, 'Please use show on visible elements')
+      done()
+    }
+  })
+
+  QUnit.test('should hide popovers when their containing modal is closed', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var templateHTML = '<div id="modal-test" class="modal">' +
+                          '<div class="modal-dialog" role="document">' +
+                            '<div class="modal-content">' +
+                              '<div class="modal-body">' +
+                                '<button id="popover-test" type="button" class="btn btn-secondary" data-toggle="popover" data-placement="top" data-content="Popover">' +
+                                  'Popover on top' +
+                                '</button>' +
+                              '</div>' +
+                            '</div>' +
+                          '</div>' +
+                        '</div>'
+
+    $(templateHTML).appendTo('#qunit-fixture')
+    $('#popover-test')
+      .on('shown.bs.popover', function () {
+        $('#modal-test').modal('hide')
+      })
+      .on('hide.bs.popover', function () {
+        assert.ok(true, 'popover hide')
+        done()
+      })
+
+    $('#modal-test')
+      .on('shown.bs.modal', function () {
+        $('#popover-test').bootstrapPopover('show')
+      })
+      .modal('show')
+  })
 })

js/tests/unit/scrollspy.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -234,4 +234,4 @@ QUnit.module('scrollspy plugin')
 
-    !function testActiveElements() {
-      if (++times > 3) return done()
+    function testActiveElements() {
+      if (++times > 3) { return done() }
 
@@ -245,3 +245,5 @@ $content.one('scroll', function () {
       $content.scrollTop($content.scrollTop() + 10)
-    }()
+    }
+
+    testActiveElements()
   })
@@ -290,2 +292,46 @@
 
+  QUnit.test('should NOT clear selection if above the first section and first section is at the top', function (assert) {
+    assert.expect(4)
+    var done = assert.async()
+
+    var sectionHTML = '<div id="header" style="height: 500px;"></div>'
+        + '<nav id="navigation" class="navbar">'
+        + '<ul class="nav navbar-nav">'
+        + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
+        + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
+        + '<li><a id="three-link" class="nav-link" href="#three">Three</a></li>'
+        + '</ul>'
+        + '</nav>'
+    $(sectionHTML).appendTo('#qunit-fixture')
+
+    var negativeHeight = -10
+    var startOfSectionTwo = 101
+
+    var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">'
+        + '<div id="one" style="height: 100px;"/>'
+        + '<div id="two" style="height: 100px;"/>'
+        + '<div id="three" style="height: 100px;"/>'
+        + '<div id="spacer" style="height: 100px;"/>'
+        + '</div>'
+    var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture')
+
+    $scrollspy
+      .bootstrapScrollspy({
+        target: '#navigation',
+        offset: $scrollspy.position().top
+      })
+      .one('scroll', function () {
+        assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
+        assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section')
+        $scrollspy
+          .one('scroll', function () {
+            assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
+            assert.strictEqual($('.active').is('#one-link'), true, '"active" class on first section')
+            done()
+          })
+          .scrollTop(negativeHeight)
+      })
+      .scrollTop(startOfSectionTwo)
+  })
+
   QUnit.test('should correctly select navigation element on backward scrolling when each target section height is 100%', function (assert) {
@@ -405,4 +451,4 @@ assert.expect(5)
 
-      if (type === 'js') $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'position' })
-      else if (type === 'data') $(window).trigger('load')
+      if (type === 'js') { $content.bootstrapScrollspy({ target: '.navbar', offset: 0, method: 'position' }) }
+      else if (type === 'data') { $(window).trigger('load') }
 
@@ -409,0 +455,0 @@ var $target = $('#div-' + type + 'm-2')

js/tests/unit/tab.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -79,2 +79,34 @@ QUnit.module('tabs plugin')
 
+  QUnit.test('should activate element by tab id in ordered list', function (assert) {
+    assert.expect(2)
+    var pillsHTML = '<ol class="pills">'
+        + '<li><a href="#home">Home</a></li>'
+        + '<li><a href="#profile">Profile</a></li>'
+        + '</ol>'
+
+    $('<ol><li id="home"/><li id="profile"/></ol>').appendTo('#qunit-fixture')
+
+    $(pillsHTML).find('li:last a').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
+
+    $(pillsHTML).find('li:first a').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
+  })
+
+  QUnit.test('should activate element by tab id in nav list', function (assert) {
+    assert.expect(2)
+    var tabsHTML =  '<nav class="nav">' +
+                      '<a href="#home">Home</a>' +
+                      '<a href="#profile">Profile</a>' +
+                    '</nav>'
+
+    $('<nav><div id="home"></div><div id="profile"></div></nav>').appendTo('#qunit-fixture')
+
+    $(tabsHTML).find('a:last').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
+
+    $(tabsHTML).find('a:first').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
+  })
+
   QUnit.test('should not fire shown when show is prevented', function (assert) {
@@ -96,2 +128,40 @@ assert.expect(1)
 
+  QUnit.test('should not fire shown when tab is already active', function (assert) {
+    assert.expect(0)
+    var tabsHTML = '<ul class="nav nav-tabs" role="tablist">'
+      + '<li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>'
+      + '<li class="nav-item"><a href="#profile" class="nav-link" role="tab">Profile</a></li>'
+      + '</ul>'
+      + '<div class="tab-content">'
+      + '<div class="tab-pane active" id="home" role="tabpanel"></div>'
+      + '<div class="tab-pane" id="profile" role="tabpanel"></div>'
+      + '</div>'
+
+    $(tabsHTML)
+      .find('a.active')
+      .on('shown.bs.tab', function () {
+        assert.ok(true, 'shown event fired')
+      })
+      .bootstrapTab('show')
+  })
+
+  QUnit.test('should not fire shown when tab is disabled', function (assert) {
+    assert.expect(0)
+    var tabsHTML = '<ul class="nav nav-tabs" role="tablist">'
+      + '<li class="nav-item"><a href="#home" class="nav-link active" role="tab">Home</a></li>'
+      + '<li class="nav-item"><a href="#profile" class="nav-link disabled" role="tab">Profile</a></li>'
+      + '</ul>'
+      + '<div class="tab-content">'
+      + '<div class="tab-pane active" id="home" role="tabpanel"></div>'
+      + '<div class="tab-pane" id="profile" role="tabpanel"></div>'
+      + '</div>'
+
+    $(tabsHTML)
+      .find('a.disabled')
+      .on('shown.bs.tab', function () {
+        assert.ok(true, 'shown event fired')
+      })
+      .bootstrapTab('show')
+  })
+
   QUnit.test('show and shown events should reference correct relatedTarget', function (assert) {
@@ -230,2 +300,34 @@ assert.expect(2)
 
+  QUnit.test('selected tab should deactivate previous selected tab', function (assert) {
+    assert.expect(2)
+    var tabsHTML = '<ul class="nav nav-tabs">'
+        + '<li class="nav-item"><a class="nav-link active" href="#home" data-toggle="tab">Home</a></li>'
+        + '<li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>'
+        + '</ul>'
+    var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
+
+    $tabs.find('li:last a').trigger('click')
+    assert.notOk($tabs.find('li:first a').hasClass('active'))
+    assert.ok($tabs.find('li:last a').hasClass('active'))
+  })
+
+  QUnit.test('selected tab should deactivate previous selected link in dropdown', function (assert) {
+    assert.expect(3)
+    var tabsHTML = '<ul class="nav nav-tabs">'
+        + '<li class="nav-item"><a class="nav-link" href="#home" data-toggle="tab">Home</a></li>'
+        + '<li class="nav-item"><a class="nav-link" href="#profile" data-toggle="tab">Profile</a></li>'
+        + '<li class="nav-item dropdown"><a class="nav-link dropdown-toggle active" data-toggle="dropdown" href="#">Dropdown</a>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item active" href="#dropdown1" id="dropdown1-tab" data-toggle="tab">@fat</a>'
+        + '<a class="dropdown-item" href="#dropdown2" id="dropdown2-tab" data-toggle="tab">@mdo</a>'
+        + '</div>'
+        + '</li>'
+        + '</ul>'
+    var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
+
+    $tabs.find('li:first > a').trigger('click')
+    assert.ok($tabs.find('li:first a').hasClass('active'))
+    assert.notOk($tabs.find('li:last > a').hasClass('active'))
+    assert.notOk($tabs.find('li:last > .dropdown-menu > a:first').hasClass('active'))
+  })
 })

js/tests/unit/tooltip.js

 $(function () {
-  'use strict';
+  'use strict'
 
@@ -114,3 +114,3 @@ QUnit.module('tooltip plugin')
       .ok($('.tooltip')
-      .is('.fade.bs-tether-element-attached-top.bs-tether-element-attached-center.in'), 'has correct classes applied')
+      .is('.fade.bs-tether-element-attached-top.bs-tether-element-attached-center.show'), 'has correct classes applied')
 
@@ -189,2 +189,15 @@ $tooltip.bootstrapTooltip('hide')
 
+  QUnit.test('should throw an error when show is called on hidden elements', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+
+    try {
+      $('<div title="tooltip title" style="display: none"/>').bootstrapTooltip('show')
+    }
+    catch (err) {
+      assert.strictEqual(err.message, 'Please use show on visible elements')
+      done()
+    }
+  })
+
   QUnit.test('should fire inserted event', function (assert) {
@@ -298,3 +311,3 @@ assert.expect(2)
 
-    assert.ok(!$tooltip.hasClass('in'), 'tooltip is hidden')
+    assert.ok(!$tooltip.hasClass('show'), 'tooltip is hidden')
     assert.ok(!$._data($tooltip[0], 'bs.tooltip'), 'tooltip does not have data')
@@ -328,3 +341,3 @@ assert.strictEqual($._data($tooltip[0], 'events').click[0].namespace, 'foo', 'tooltip still has click.foo')
 
-    assert.ok($('.tooltip').is('.fade.in'), 'tooltip is faded in')
+    assert.ok($('.tooltip').is('.fade.show'), 'tooltip is faded active')
   })
@@ -340,3 +353,3 @@
     $('.tooltip').bootstrapTooltip('toggle')
-    assert.ok($('.tooltip').not('.fade.in'), 'tooltip was faded out')
+    assert.ok($('.tooltip').not('.fade.show'), 'tooltip was faded out')
   })
@@ -377,3 +390,3 @@
     // this is some dumb hack stuff because sub pixels in firefox
-    var top = Math.round($target.offset().top + ($target[0].offsetHeight / 2) - ($tooltip[0].offsetHeight / 2))
+    var top = Math.round($target.offset().top + $target[0].offsetHeight / 2 - $tooltip[0].offsetHeight / 2)
     var top2 = Math.round($tooltip.offset().top)
@@ -498,7 +511,7 @@ var topDiff = top - top2
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '100ms: tooltip is not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '100ms: tooltip is not faded active')
     }, 100)
 
     setTimeout(function () {
-      assert.ok($('.tooltip').is('.fade.in'), '200ms: tooltip is faded in')
+      assert.ok($('.tooltip').is('.fade.show'), '200ms: tooltip is faded active')
       done()
@@ -519,3 +532,3 @@ }, 200)
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '100ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '100ms: tooltip not faded active')
       $tooltip.trigger('mouseout')
@@ -525,3 +538,3 @@ }, 100)
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '200ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '200ms: tooltip not faded active')
       done()
@@ -539,10 +552,10 @@ }, 200)
       .appendTo('#qunit-fixture')
-      .bootstrapTooltip({ delay: { show: 0, hide: 150 }})
+      .bootstrapTooltip({ delay: { show: 0, hide: 150 } })
 
     setTimeout(function () {
-      assert.ok($('.tooltip').is('.fade.in'), '1ms: tooltip faded in')
+      assert.ok($('.tooltip').is('.fade.show'), '1ms: tooltip faded active')
       $tooltip.trigger('mouseout')
 
       setTimeout(function () {
-        assert.ok($('.tooltip').is('.fade.in'), '100ms: tooltip still faded in')
+        assert.ok($('.tooltip').is('.fade.show'), '100ms: tooltip still faded active')
         $tooltip.trigger('mouseenter')
@@ -552,3 +565,3 @@ }, 100)
       setTimeout(function () {
-        assert.ok($('.tooltip').is('.fade.in'), '200ms: tooltip still faded in')
+        assert.ok($('.tooltip').is('.fade.show'), '200ms: tooltip still faded active')
         done()
@@ -570,3 +583,3 @@ }, 200)
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '100ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '100ms: tooltip not faded active')
       $tooltip.trigger('mouseout')
@@ -576,3 +589,3 @@ }, 100)
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '200ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '200ms: tooltip not faded active')
       done()
@@ -590,6 +603,6 @@ }, 200)
       .appendTo('#qunit-fixture')
-      .bootstrapTooltip({ delay: { show: 150, hide: 0 }})
+      .bootstrapTooltip({ delay: { show: 150, hide: 0 } })
 
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '100ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '100ms: tooltip not faded active')
       $tooltip.trigger('mouseout')
@@ -599,3 +612,3 @@ }, 100)
     setTimeout(function () {
-      assert.ok(!$('.tooltip').is('.fade.in'), '250ms: tooltip not faded in')
+      assert.ok(!$('.tooltip').is('.fade.show'), '250ms: tooltip not faded active')
       done()
@@ -613,6 +626,6 @@ }, 250)
       .appendTo('#qunit-fixture')
-      .bootstrapTooltip({ delay: { show: 0, hide: 150 }})
+      .bootstrapTooltip({ delay: { show: 0, hide: 150 } })
 
     setTimeout(function () {
-      assert.ok($($tooltip.data('bs.tooltip').tip).is('.fade.in'), '1ms: tooltip faded in')
+      assert.ok($($tooltip.data('bs.tooltip').tip).is('.fade.show'), '1ms: tooltip faded active')
 
@@ -622,7 +635,7 @@ $tooltip.trigger('mouseout')
       setTimeout(function () {
-        assert.ok($($tooltip.data('bs.tooltip').tip).is('.fade.in'), '100ms: tooltip still faded in')
+        assert.ok($($tooltip.data('bs.tooltip').tip).is('.fade.show'), '100ms: tooltip still faded active')
       }, 100)
 
       setTimeout(function () {
-        assert.ok(!$($tooltip.data('bs.tooltip').tip).is('.in'), '200ms: tooltip removed')
+        assert.ok(!$($tooltip.data('bs.tooltip').tip).is('.show'), '200ms: tooltip removed')
         done()
@@ -730,6 +743,6 @@ }, 200)
 
-    assert.ok(obj._hoverState == 'out', 'the tooltip hoverState should be set to "out"')
+    assert.ok(obj._hoverState === 'out', 'the tooltip hoverState should be set to "out"')
 
     $('#tt-outer').trigger('mouseenter')
-    assert.ok(obj._hoverState == 'in', 'the tooltip hoverState should be set to "in"')
+    assert.ok(obj._hoverState === 'show', 'the tooltip hoverState should be set to "show"')
 
@@ -796,3 +809,3 @@ assert.strictEqual(currentUid, $('#tt-content').text())
 
-    function showingTooltip() { return $tooltip.hasClass('in') || tooltip._hoverState == 'in' }
+    function showingTooltip() { return $tooltip.hasClass('show') || tooltip._hoverState === 'show' }
 
@@ -821,4 +834,4 @@ var tests = [
       for (var i = 0, len = triggers.length; i < len; i++) {
-        $el.trigger(triggers[i]);
-        assert.equal(i < (len - 1), showingTooltip())
+        $el.trigger(triggers[i])
+        assert.equal(i < len - 1, showingTooltip())
       }
@@ -828,2 +841,53 @@ })
 
+  QUnit.test('should show on first trigger after hide', function (assert) {
+    assert.expect(3)
+    var $el = $('<a href="#" rel="tooltip" title="Test tooltip"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapTooltip({ trigger: 'click hover focus', animation: false })
+
+    var tooltip = $el.data('bs.tooltip')
+    var $tooltip = $(tooltip.getTipElement())
+
+    function showingTooltip() { return $tooltip.hasClass('show') || tooltip._hoverState === 'show' }
+
+    $el.trigger('click')
+    assert.ok(showingTooltip(), 'tooltip is faded in')
+
+    $el.bootstrapTooltip('hide')
+    assert.ok(!showingTooltip(), 'tooltip was faded out')
+
+    $el.trigger('click')
+    assert.ok(showingTooltip(), 'tooltip is faded in again')
+  })
+
+  QUnit.test('should hide tooltip when their containing modal is closed', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var templateHTML = '<div id="modal-test" class="modal">' +
+                          '<div class="modal-dialog" role="document">' +
+                            '<div class="modal-content">' +
+                              '<div class="modal-body">' +
+                                '<a id="tooltipTest" href="#" data-toggle="tooltip" title="Some tooltip text!">Tooltip</a>' +
+                              '</div>' +
+                            '</div>' +
+                          '</div>' +
+                        '</div>'
+
+    $(templateHTML).appendTo('#qunit-fixture')
+    $('#tooltipTest')
+      .bootstrapTooltip({ trigger: 'manuel' })
+      .on('shown.bs.tooltip', function () {
+        $('#modal-test').modal('hide')
+      })
+      .on('hide.bs.tooltip', function () {
+        assert.ok(true, 'tooltip hide')
+        done()
+      })
+
+    $('#modal-test')
+      .on('shown.bs.modal', function () {
+        $('#tooltipTest').bootstrapTooltip('show')
+      })
+      .modal('show')
+  })
 })

package.json

 {
   "name": "bootstrap",
   "description": "The most popular front-end framework for developing responsive, mobile first projects on the web.",
-  "version": "4.0.0-alpha.5",
+  "version": "4.0.0-alpha.6",
   "keywords": [
@@ -21,9 +21,16 @@ "css",
     "change-version": "node grunt/change-version.js",
-    "eslint": "eslint --config js/.eslintrc.json js/src",
-    "jscs": "jscs --config=js/.jscsrc js/src js/tests/unit docs/assets/js/src grunt Gruntfile.js docs/assets/js/ie-emulation-modes-warning.js docs/assets/js/ie10-viewport-bug-workaround.js",
+    "clean-css": "cleancss --skip-advanced --source-map --output dist/css/bootstrap.min.css dist/css/bootstrap.css && cleancss --skip-advanced --source-map --output dist/css/bootstrap-grid.min.css dist/css/bootstrap-grid.css && cleancss --skip-advanced --source-map --output dist/css/bootstrap-reboot.min.css dist/css/bootstrap-reboot.css",
+    "clean-css-docs": "cleancss --skip-advanced --source-map --output docs/assets/css/docs.min.css docs/assets/css/docs.min.css",
+    "eslint": "eslint --ignore-path .eslintignore js && eslint --config js/tests/.eslintrc.json --env node grunt Gruntfile.js && eslint --config js/tests/.eslintrc.json docs/assets/js/src docs/assets/js/ie-emulation-modes-warning.js docs/assets/js/ie10-viewport-bug-workaround.js",
     "htmlhint": "htmlhint --config docs/.htmlhintrc _gh_pages/",
     "postcss": "postcss --config grunt/postcss.js --replace dist/css/*.css",
     "postcss-docs": "postcss --config grunt/postcss.js --no-map --replace docs/assets/css/docs.min.css && postcss --config grunt/postcss.js --no-map --replace docs/examples/**/*.css",
+    "sass": "node-sass --output-style expanded --source-map true --precision 6 scss/bootstrap.scss dist/css/bootstrap.css && node-sass --output-style expanded --source-map true --precision 6 scss/bootstrap-grid.scss dist/css/bootstrap-grid.css && node-sass --output-style expanded --source-map true --precision 6 scss/bootstrap-reboot.scss dist/css/bootstrap-reboot.css",
+    "sass-docs": "node-sass --output-style expanded --source-map true --precision 6 docs/assets/scss/docs.scss docs/assets/css/docs.min.css",
+    "scss-lint": "bundle exec scss-lint --config scss/.scss-lint.yml --exclude scss/_normalize.scss scss/*.scss",
+    "scss-lint-docs": "bundle exec scss-lint --config scss/.scss-lint.yml --exclude docs/assets/scss/docs.scss docs/assets/scss/*.scss",
+    "uglify": "uglifyjs --compress warnings=false --mangle --comments '/^!/' --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
+    "uglify-docs": "uglifyjs --compress warnings=false --mangle --comments '/^!/' --output docs/assets/js/docs.min.js docs/assets/js/vendor/*.js docs/assets/js/src/application.js",
     "update-shrinkwrap": "npm shrinkwrap --dev && shx mv ./npm-shrinkwrap.json ./grunt/npm-shrinkwrap.json",
-    "test": "npm run eslint && npm run jscs && grunt test"
+    "test": "npm run eslint && grunt test"
   },
@@ -42,11 +49,12 @@ "style": "dist/css/bootstrap.css",
   "dependencies": {
-    "jquery": "1.9.1 - 3",
-    "tether": "^1.3.7"
+    "jquery": ">=1.9.1",
+    "tether": "^1.4.0"
   },
   "devDependencies": {
-    "autoprefixer": "^6.5.0",
-    "babel-eslint": "^7.0.0",
+    "autoprefixer": "^6.6.1",
+    "babel-eslint": "^7.1.1",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.0",
-    "babel-preset-es2015": "^6.16.0",
-    "eslint": "^3.7.1",
+    "babel-preset-es2015": "^6.18.0",
+    "clean-css": "^3.4.23",
+    "eslint": "^3.12.2",
     "grunt": "^1.0.1",
@@ -60,23 +68,19 @@ "grunt-babel": "^6.0.0",
     "grunt-contrib-copy": "^1.0.0",
-    "grunt-contrib-cssmin": "^1.0.2",
     "grunt-contrib-qunit": "^1.2.0",
-    "grunt-contrib-sass": "^1.0.0",
-    "grunt-contrib-uglify": "^2.0.0",
     "grunt-contrib-watch": "^1.0.0",
     "grunt-exec": "^1.0.1",
-    "grunt-html": "^8.0.2",
+    "grunt-html": "^8.1.0",
     "grunt-jekyll": "^0.4.4",
-    "grunt-sass": "^1.2.1",
     "grunt-saucelabs": "^9.0.0",
-    "grunt-scss-lint": "^0.5.0",
     "grunt-stamp": "^0.3.0",
     "htmlhint": "^0.9.13",
     "is-travis": "^1.0.0",
-    "jscs": "^3.0.7",
     "load-grunt-tasks": "^3.5.2",
+    "node-sass": "^4.1.1",
     "postcss-cli": "^2.6.0",
-    "postcss-flexbugs-fixes": "^2.0.0",
-    "shelljs": "^0.7.4",
-    "shx": "^0.1.4",
-    "time-grunt": "^1.4.0"
+    "postcss-flexbugs-fixes": "^2.1.0",
+    "shelljs": "^0.7.5",
+    "shx": "^0.2.1",
+    "time-grunt": "^1.4.0",
+    "uglify-js": "^2.7.5"
   },
@@ -83,0 +87,0 @@ "engines": {

README.md

@@ -34,8 +34,8 @@ # [Bootstrap](https://getbootstrap.com)
 
-- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.5.zip)
+- [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.6.zip)
 - Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
-- Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.5`
-- Install with [Meteor](https://www.meteor.com): `meteor add twbs:bootstrap@=4.0.0-alpha.5`
-- Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap`
-- Install with [Bower](https://bower.io): `bower install bootstrap#v4.0.0-alpha.5`
+- Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.6`
+- Install with [yarn](https://github.com/yarnpkg/yarn): `yarn add bootstrap@4.0.0-alpha.6`
+- Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap:4.0.0-alpha.6`
+- Install with [Bower](https://bower.io): `bower install bootstrap#v4.0.0-alpha.6`
 - Install with [NuGet](https://www.nuget.org): CSS: `Install-Package bootstrap -Pre` Sass: `Install-Package bootstrap.sass -Pre` (`-Pre` is only required until Bootstrap v4 has a stable release).
@@ -136,2 +136,2 @@
 
-Code and documentation copyright 2011-2016 the [Bootstrap Authors](https://github.com/twbs/bootstrap/graphs/contributors) and [Twitter, Inc.](https://twitter.com) Code released under the [MIT License](https://github.com/twbs/bootstrap/blob/master/LICENSE). Docs released under [Creative Commons](https://github.com/twbs/bootstrap/blob/master/docs/LICENSE).
+Code and documentation copyright 2011-2017 the [Bootstrap Authors](https://github.com/twbs/bootstrap/graphs/contributors) and [Twitter, Inc.](https://twitter.com) Code released under the [MIT License](https://github.com/twbs/bootstrap/blob/master/LICENSE). Docs released under [Creative Commons](https://github.com/twbs/bootstrap/blob/master/docs/LICENSE).

New alerts

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Found 1 instance in 1 package

Fixed alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Improved metrics

Dev dependency count

31

decreased by-8.82%

Number of low supply chain risk alerts

8

decreased by-27.27%

Worsened metrics

Total package byte prevSize

1736820

decreased by-18.69%

Number of package files

143

decreased by-5.3%

Lines of code

30514

decreased by-12.69%

Dependency changes

• Updatedjquery@>=1.9.1

• Updatedtether@^1.4.0