// source --> https://shibuikotto.com/blog/wp-content/themes/ink/assets/js/lib/spin/spin.min.js?ver=1.3 
!function(a,b){"object"==typeof exports?module.exports=b():"function"==typeof define&&define.amd?define(b):a.Spinner=b()}(this,function(){"use strict";function a(a,b){var c,d=document.createElement(a||"div");for(c in b)d[c]=b[c];return d}function b(a){for(var b=1,c=arguments.length;c>b;b++)a.appendChild(arguments[b]);return a}function c(a,b,c,d){var e=["opacity",b,~~(100*a),c,d].join("-"),f=.01+c/d*100,g=Math.max(1-(1-a)/b*(100-f),a),h=j.substring(0,j.indexOf("Animation")).toLowerCase(),i=h&&"-"+h+"-"||"";return l[e]||(m.insertRule("@"+i+"keyframes "+e+"{0%{opacity:"+g+"}"+f+"%{opacity:"+a+"}"+(f+.01)+"%{opacity:1}"+(f+b)%100+"%{opacity:"+a+"}100%{opacity:"+g+"}}",m.cssRules.length),l[e]=1),e}function d(a,b){var c,d,e=a.style;if(void 0!==e[b])return b;for(b=b.charAt(0).toUpperCase()+b.slice(1),d=0;d<k.length;d++)if(c=k[d]+b,void 0!==e[c])return c}function e(a,b){for(var c in b)a.style[d(a,c)||c]=b[c];return a}function f(a){for(var b=1;b<arguments.length;b++){var c=arguments[b];for(var d in c)void 0===a[d]&&(a[d]=c[d])}return a}function g(a){for(var b={x:a.offsetLeft,y:a.offsetTop};a=a.offsetParent;)b.x+=a.offsetLeft,b.y+=a.offsetTop;return b}function h(a){return"undefined"==typeof this?new h(a):(this.opts=f(a||{},h.defaults,n),void 0)}function i(){function c(b,c){return a("<"+b+' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">',c)}m.addRule(".spin-vml","behavior:url(#default#VML)"),h.prototype.lines=function(a,d){function f(){return e(c("group",{coordsize:j+" "+j,coordorigin:-i+" "+-i}),{width:j,height:j})}function g(a,g,h){b(l,b(e(f(),{rotation:360/d.lines*a+"deg",left:~~g}),b(e(c("roundrect",{arcsize:d.corners}),{width:i,height:d.width,left:d.radius,top:-d.width>>1,filter:h}),c("fill",{color:d.color,opacity:d.opacity}),c("stroke",{opacity:0}))))}var h,i=d.length+d.width,j=2*i,k=2*-(d.width+d.length)+"px",l=e(f(),{position:"absolute",top:k,left:k});if(d.shadow)for(h=1;h<=d.lines;h++)g(h,-2,"progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)");for(h=1;h<=d.lines;h++)g(h);return b(a,l)},h.prototype.opacity=function(a,b,c,d){var e=a.firstChild;d=d.shadow&&d.lines||0,e&&b+d<e.childNodes.length&&(e=e.childNodes[b+d],e=e&&e.firstChild,e=e&&e.firstChild,e&&(e.opacity=c))}}var j,k=["webkit","Moz","ms","O"],l={},m=function(){var c=a("style",{type:"text/css"});return b(document.getElementsByTagName("head")[0],c),c.sheet||c.styleSheet}(),n={lines:12,length:7,width:5,radius:10,rotate:0,corners:1,color:"#000",direction:1,speed:1,trail:100,opacity:.25,fps:20,zIndex:2e9,className:"spinner",top:"auto",left:"auto",position:"relative"};h.defaults={},f(h.prototype,{spin:function(b){this.stop();var c,d,f=this,h=f.opts,i=f.el=e(a(0,{className:h.className}),{position:h.position,width:0,zIndex:h.zIndex}),k=h.radius+h.length+h.width;if(b&&(b.insertBefore(i,b.firstChild||null),d=g(b),c=g(i),e(i,{left:("auto"==h.left?d.x-c.x+(b.offsetWidth>>1):parseInt(h.left,10)+k)+"px",top:("auto"==h.top?d.y-c.y+(b.offsetHeight>>1):parseInt(h.top,10)+k)+"px"})),i.setAttribute("role","progressbar"),f.lines(i,f.opts),!j){var l,m=0,n=(h.lines-1)*(1-h.direction)/2,o=h.fps,p=o/h.speed,q=(1-h.opacity)/(p*h.trail/100),r=p/h.lines;!function s(){m++;for(var a=0;a<h.lines;a++)l=Math.max(1-(m+(h.lines-a)*r)%p*q,h.opacity),f.opacity(i,a*h.direction+n,l,h);f.timeout=f.el&&setTimeout(s,~~(1e3/o))}()}return f},stop:function(){var a=this.el;return a&&(clearTimeout(this.timeout),a.parentNode&&a.parentNode.removeChild(a),this.el=void 0),this},lines:function(d,f){function g(b,c){return e(a(),{position:"absolute",width:f.length+f.width+"px",height:f.width+"px",background:b,boxShadow:c,transformOrigin:"left",transform:"rotate("+~~(360/f.lines*i+f.rotate)+"deg) translate("+f.radius+"px,0)",borderRadius:(f.corners*f.width>>1)+"px"})}for(var h,i=0,k=(f.lines-1)*(1-f.direction)/2;i<f.lines;i++)h=e(a(),{position:"absolute",top:1+~(f.width/2)+"px",transform:f.hwaccel?"translate3d(0,0,0)":"",opacity:f.opacity,animation:j&&c(f.opacity,f.trail,k+i*f.direction,f.lines)+" "+1/f.speed+"s linear infinite"}),f.shadow&&b(h,e(g("#000","0 0 4px #000"),{top:"2px"})),b(d,b(h,g(f.color,"0 0 1px rgba(0,0,0,.1)")));return d},opacity:function(a,b,c){b<a.childNodes.length&&(a.childNodes[b].style.opacity=c)}});var o=e(a("group"),{behavior:"url(#default#VML)"});return!d(o,"transform")&&o.adj?i():j=d(o,"animation"),h});