/*
 copyright (c) federico zivolo 2017
 distributed under the mit license (license terms are at http://opensource.org/licenses/mit).
 */(function(e,t){'object'==typeof exports&&'undefined'!=typeof module?module.exports=t():'function'==typeof define&&define.amd?define(t):e.popper=t()})(this,function(){'use strict';function e(e){return e&&'[object function]'==={}.tostring.call(e)}function t(e,t){if(1!==e.nodetype)return[];var o=getcomputedstyle(e,null);return t?o[t]:o}function o(e){return'html'===e.nodename?e:e.parentnode||e.host}function n(e){if(!e)return document.body;switch(e.nodename){case'html':case'body':return e.ownerdocument.body;case'#document':return e.body;}var i=t(e),r=i.overflow,p=i.overflowx,s=i.overflowy;return /(auto|scroll)/.test(r+s+p)?e:n(o(e))}function r(e){var o=e&&e.offsetparent,i=o&&o.nodename;return i&&'body'!==i&&'html'!==i?-1!==['td','table'].indexof(o.nodename)&&'static'===t(o,'position')?r(o):o:e?e.ownerdocument.documentelement:document.documentelement}function p(e){var t=e.nodename;return'body'!==t&&('html'===t||r(e.firstelementchild)===e)}function s(e){return 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r=e.placement.split('-')[0],p=e.offsets,s=p.popper,d=p.reference,a=-1!==['left','right'].indexof(r),l=a?'height':'width',f=a?'top':'left',m=f.tolowercase(),h=a?'left':'top',g=a?'bottom':'right',u=l(n)[l];d[g]-u<s[m]&&(e.offsets.popper[m]-=s[m]-(d[g]-u)),d[m]+u>s[g]&&(e.offsets.popper[m]+=d[m]+u-s[g]),e.offsets.popper=c(e.offsets.popper);var b=d[m]+d[l]/2-u/2,w=t(e.instance.popper),y=parsefloat(w['margin'+f],10),e=parsefloat(w['border'+f+'width'],10),v=b-e.offsets.popper[m]-y-e;return v=j(_(s[l]-u,v),0),e.arrowelement=n,e.offsets.arrow=(i={},pe(i,m,math.round(v)),pe(i,h,''),i),e},element:'[x-arrow]'},flip:{order:600,enabled:!0,fn:function(e,t){if(k(e.instance.modifiers,'inner'))return e;if(e.flipped&&e.placement===e.originalplacement)return e;var o=y(e.instance.popper,e.instance.reference,t.padding,t.boundarieselement),i=e.placement.split('-')[0],n=x(i),r=e.placement.split('-')[1]||'',p=[];switch(t.behavior){case le.flip:p=[i,n];break;case le.clockwise:p=q(i);break;case le.counterclockwise:p=q(i,!0);break;default:p=t.behavior;}return p.foreach(function(s,d){if(i!==s||p.length===d+1)return e;i=e.placement.split('-')[0],n=x(i);var a=e.offsets.popper,l=e.offsets.reference,f=x,m='left'===i&&f(a.right)>f(l.left)||'right'===i&&f(a.left)<f(l.right)||'top'===i&&f(a.bottom)>f(l.top)||'bottom'===i&&f(a.top)<f(l.bottom),h=f(a.left)<f(o.left),c=f(a.right)>f(o.right),g=f(a.top)<f(o.top),u=f(a.bottom)>f(o.bottom),b='left'===i&&h||'right'===i&&c||'top'===i&&g||'bottom'===i&&u,w=-1!==['top','bottom'].indexof(i),y=!!t.flipvariations&&(w&&'start'===r&&h||w&&'end'===r&&c||!w&&'start'===r&&g||!w&&'end'===r&&u);(m||b||y)&&(e.flipped=!0,(m||b)&&(i=p[d+1]),y&&(r=k(r)),e.placement=i+(r?'-'+r:''),e.offsets.popper=se({},e.offsets.popper,s(e.instance.popper,e.offsets.reference,e.placement)),e=c(e.instance.modifiers,e,'flip'))}),e},behavior:'flip',padding:5,boundarieselement:'viewport'},inner:{order:700,enabled:!1,fn:function(e){var t=e.placement,o=t.split('-')[0],i=e.offsets,n=i.popper,r=i.reference,p=-1!==['left','right'].indexof(o),s=-1===['top','left'].indexof(o);return n[p?'left':'top']=r[o]-(s?n[p?'width':'height']:0),e.placement=x(t),e.offsets.popper=c(n),e}},hide:{order:800,enabled:!0,fn:function(e){if(!f(e.instance.modifiers,'hide','preventoverflow'))return e;var t=e.offsets.reference,o=t(e.instance.modifiers,function(e){return'preventoverflow'===e.name}).boundaries;if(t.bottom<o.top||t.left>o.right||t.top>o.bottom||t.right<o.left){if(!0===e.hide)return e;e.hide=!0,e.attributes['x-out-of-boundaries']=''}else{if(!1===e.hide)return e;e.hide=!1,e.attributes['x-out-of-boundaries']=!1}return e}},computestyle:{order:850,enabled:!0,fn:function(e,t){var o=t.x,i=t.y,n=e.offsets.popper,p=t(e.instance.modifiers,function(e){return'applystyle'===e.name}).gpuacceleration;void 0!==p&&console.warn('warning: `gpuacceleration` option moved to `computestyle` modifier and will not be supported in future versions of popper.js!');var s,d,a=void 0===p?t.gpuacceleration:p,l=r(e.instance.popper),f=g(l),m={position:n.position},h={left:x(n.left),top:x(n.top),bottom:x(n.bottom),right:x(n.right)},c='bottom'===o?'top':'bottom',u='right'===i?'left':'right',b=w('transform');if(d='bottom'==c?-f.height+h.bottom:h.top,s='right'==u?-f.width+h.right:h.left,a&&b)m[b]='translate3d('+s+'px, '+d+'px, 0)',m[c]=0,m[u]=0,m.willchange='transform';else{var w='bottom'==c?-1:1,y='right'==u?-1:1;m[c]=d*w,m[u]=s*y,m.willchange=c+', '+u}var e={"x-placement":e.placement};return e.attributes=se({},e,e.attributes),e.styles=se({},m,e.styles),e.arrowstyles=se({},e.offsets.arrow,e.arrowstyles),e},gpuacceleration:!0,x:'bottom',y:'right'},applystyle:{order:900,enabled:!0,fn:function(e){return y(e.instance.popper,e.styles),j(e.instance.popper,e.attributes),e.arrowelement&&object.keys(e.arrowstyles).length&&y(e.arrowelement,e.arrowstyles),e},onload:function(e,t,o,i,n){var r=o(n,t,e),p=v(o.placement,r,t,e,o.modifiers.flip.boundarieselement,o.modifiers.flip.padding);return t.setattribute('x-placement',p),y(t,{position:'absolute'}),o},gpuacceleration:void 0}}},fe});
//# sourcemappingurl=popper.min.js.map