responsive-nav.min.js

!function(a,b,c){"use strict";var d=function(d,e){var f=!!b.getComputedStyle;f||(b.getComputedStyle=function(a){return this.el=a,this.getPropertyValue=function(b){var c=/(\-([a-z]){1})/g;return"float"===b&&(b="styleFloat"),c.test(b)&&(b=b.replace(c,function(){return arguments[2].toUpperCase()})),a.currentStyle[b]?a.currentStyle[b]:null},this});var g,h,i,j,k,l,m=function(a,b,c,d){if("addEventListener"in a)try{a.addEventListener(b,c,d)}catch(e){if("object"!=typeof c||!c.handleEvent)throw e;a.addEventListener(b,function(a){c.handleEvent.call(c,a)},d)}else"attachEvent"in a&&("object"==typeof c&&c.handleEvent?a.attachEvent("on"+b,function(){c.handleEvent.call(c)}):a.attachEvent("on"+b,c))},n=function(a,b,c,d){if("removeEventListener"in a)try{a.removeEventListener(b,c,d)}catch(e){if("object"!=typeof c||!c.handleEvent)throw e;a.removeEventListener(b,function(a){c.handleEvent.call(c,a)},d)}else"detachEvent"in a&&("object"==typeof c&&c.handleEvent?a.detachEvent("on"+b,function(){c.handleEvent.call(c)}):a.detachEvent("on"+b,c))},o=function(a){if(a.children.length<1)throw new Error("The Nav container has no containing elements");for(var b=[],c=0;c<a.children.length;c++)1===a.children[c].nodeType&&b.push(a.children[c]);return b},p=function(a,b){for(var c in b)a.setAttribute(c,b[c])},q=function(a,b){0!==a.className.indexOf(b)&&(a.className+=" "+b,a.className=a.className.replace(/(^\s*)|(\s*$)/g,""))},r=function(a,b){var c=new RegExp("(\\s|^)"+b+"(\\s|$)");a.className=a.className.replace(c," ").replace(/(^\s*)|(\s*$)/g,"")},s=function(a,b,c){for(var d=0;d<a.length;d++)b.call(c,d,a[d])},t=a.createElement("style"),u=a.documentElement,v=function(b,c){var d;this.options={animate:!0,transition:284,label:"Menu",insert:"before",customToggle:"",closeOnNavClick:!1,openPos:"relative",navClass:"nav-collapse",navActiveClass:"js-nav-active",jsClass:"js",init:function(){},open:function(){},close:function(){}};for(d in c)this.options[d]=c[d];if(q(u,this.options.jsClass),this.wrapperEl=b.replace("#",""),a.getElementById(this.wrapperEl))this.wrapper=a.getElementById(this.wrapperEl);else{if(!a.querySelector(this.wrapperEl))throw new Error("The nav element you are trying to select doesn't exist");this.wrapper=a.querySelector(this.wrapperEl)}this.wrapper.inner=o(this.wrapper),h=this.options,g=this.wrapper,this._init(this)};return v.prototype={destroy:function(){this._removeStyles(),r(g,"closed"),r(g,"opened"),r(g,h.navClass),r(g,h.navClass+"-"+this.index),r(u,h.navActiveClass),g.removeAttribute("style"),g.removeAttribute("aria-hidden"),n(b,"resize",this,!1),n(a.body,"touchmove",this,!1),n(i,"touchstart",this,!1),n(i,"touchend",this,!1),n(i,"mouseup",this,!1),n(i,"keyup",this,!1),n(i,"click",this,!1),h.customToggle?i.removeAttribute("aria-hidden"):i.parentNode.removeChild(i)},toggle:function(){j===!0&&(l?this.close():this.open())},open:function(){l||(r(g,"closed"),q(g,"opened"),q(u,h.navActiveClass),q(i,"active"),g.style.position=h.openPos,p(g,{"aria-hidden":"false"}),l=!0,h.open())},close:function(){l&&(q(g,"closed"),r(g,"opened"),r(u,h.navActiveClass),r(i,"active"),p(g,{"aria-hidden":"true"}),h.animate?(j=!1,setTimeout(function(){g.style.position="absolute",j=!0},h.transition+10)):g.style.position="absolute",l=!1,h.close())},resize:function(){"none"!==b.getComputedStyle(i,null).getPropertyValue("display")?(k=!0,p(i,{"aria-hidden":"false"}),g.className.match(/(^|\s)closed(\s|$)/)&&(p(g,{"aria-hidden":"true"}),g.style.position="absolute"),this._createStyles(),this._calcHeight()):(k=!1,p(i,{"aria-hidden":"true"}),p(g,{"aria-hidden":"false"}),g.style.position=h.openPos,this._removeStyles())},handleEvent:function(a){var c=a||b.event;switch(c.type){case"touchstart":this._onTouchStart(c);break;case"touchmove":this._onTouchMove(c);break;case"touchend":case"mouseup":this._onTouchEnd(c);break;case"click":this._preventDefault(c);break;case"keyup":this._onKeyUp(c);break;case"resize":this.resize(c)}},_init:function(){this.index=c++,q(g,h.navClass),q(g,h.navClass+"-"+this.index),q(g,"closed"),j=!0,l=!1,this._closeOnNavClick(),this._createToggle(),this._transitions(),this.resize();var d=this;setTimeout(function(){d.resize()},20),m(b,"resize",this,!1),m(a.body,"touchmove",this,!1),m(i,"touchstart",this,!1),m(i,"touchend",this,!1),m(i,"mouseup",this,!1),m(i,"keyup",this,!1),m(i,"click",this,!1),h.init()},_createStyles:function(){t.parentNode||(t.type="text/css",a.getElementsByTagName("head")[0].appendChild(t))},_removeStyles:function(){t.parentNode&&t.parentNode.removeChild(t)},_createToggle:function(){if(h.customToggle){var b=h.customToggle.replace("#","");if(a.getElementById(b))i=a.getElementById(b);else{if(!a.querySelector(b))throw new Error("The custom nav toggle you are trying to select doesn't exist");i=a.querySelector(b)}}else{var c=a.createElement("a");c.innerHTML=h.label,p(c,{href:"#","class":"nav-toggle"}),"after"===h.insert?g.parentNode.insertBefore(c,g.nextSibling):g.parentNode.insertBefore(c,g),i=c}},_closeOnNavClick:function(){if(h.closeOnNavClick&&"querySelectorAll"in a){var b=g.querySelectorAll("a"),c=this;s(b,function(a){m(b[a],"click",function(){k&&c.toggle()},!1)})}},_preventDefault:function(a){a.preventDefault?(a.preventDefault(),a.stopPropagation()):a.returnValue=!1},_onTouchStart:function(b){b.stopPropagation(),"after"===h.insert&&q(a.body,"disable-pointer-events"),this.startX=b.touches[0].clientX,this.startY=b.touches[0].clientY,this.touchHasMoved=!1,n(i,"mouseup",this,!1)},_onTouchMove:function(a){(Math.abs(a.touches[0].clientX-this.startX)>10||Math.abs(a.touches[0].clientY-this.startY)>10)&&(this.touchHasMoved=!0)},_onTouchEnd:function(c){if(this._preventDefault(c),!this.touchHasMoved){if("touchend"===c.type)return this.toggle(),"after"===h.insert&&setTimeout(function(){r(a.body,"disable-pointer-events")},h.transition+300),void 0;var d=c||b.event;3!==d.which&&2!==d.button&&this.toggle()}},_onKeyUp:function(a){var c=a||b.event;13===c.keyCode&&this.toggle()},_transitions:function(){if(h.animate){var a=g.style,b="max-height "+h.transition+"ms";a.WebkitTransition=b,a.MozTransition=b,a.OTransition=b,a.transition=b}},_calcHeight:function(){for(var a=0,b=0;b<g.inner.length;b++)a+=g.inner[b].offsetHeight;var c="."+h.jsClass+" ."+h.navClass+"-"+this.index+".opened{max-height:"+a+"px !important}";t.styleSheet?t.styleSheet.cssText=c:t.innerHTML=c,c=""}},new v(d,e)};b.responsiveNav=d}(document,window,0);