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Filename : popper.min.js
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/*
 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=window.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||-1!==['HTML','BODY','#document'].indexOf(e.nodeName))return window.document.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:window.document.documentElement}function p(e){var t=e.nodeName;return'BODY'!==t&&('HTML'===t||r(e.firstElementChild)===e)}function s(e){return null===e.parentNode?e:s(e.parentNode)}function 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i=e.placement.split('-')[0],n=e.offsets,r=n.popper,p=n.reference,s=-1!==['left','right'].indexOf(i),d=s?'height':'width',a=s?'top':'left',f=s?'left':'top',l=s?'bottom':'right',m=O(o)[d];p[l]-m<r[a]&&(e.offsets.popper[a]-=r[a]-(p[l]-m)),p[a]+m>r[l]&&(e.offsets.popper[a]+=p[a]+m-r[l]);var h=p[a]+p[d]/2-m/2,g=h-c(e.offsets.popper)[a];return g=_(z(r[d]-m,g),0),e.arrowElement=o,e.offsets.arrow={},e.offsets.arrow[a]=Math.round(g),e.offsets.arrow[f]='',e},element:'[x-arrow]'},flip:{order:600,enabled:!0,fn:function(e,t){if(W(e.instance.modifiers,'inner'))return e;if(e.flipped&&e.placement===e.originalPlacement)return e;var o=w(e.instance.popper,e.instance.reference,t.padding,t.boundariesElement),i=e.placement.split('-')[0],n=L(i),r=e.placement.split('-')[1]||'',p=[];switch(t.behavior){case fe.FLIP:p=[i,n];break;case fe.CLOCKWISE:p=K(i);break;case fe.COUNTERCLOCKWISE:p=K(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=L(i);var a=e.offsets.popper,f=e.offsets.reference,l=V,m='left'===i&&l(a.right)>l(f.left)||'right'===i&&l(a.left)<l(f.right)||'top'===i&&l(a.bottom)>l(f.top)||'bottom'===i&&l(a.top)<l(f.bottom),h=l(a.left)<l(o.left),c=l(a.right)>l(o.right),g=l(a.top)<l(o.top),u=l(a.bottom)>l(o.bottom),b='left'===i&&h||'right'===i&&c||'top'===i&&g||'bottom'===i&&u,y=-1!==['top','bottom'].indexOf(i),w=!!t.flipVariations&&(y&&'start'===r&&h||y&&'end'===r&&c||!y&&'start'===r&&g||!y&&'end'===r&&u);(m||b||w)&&(e.flipped=!0,(m||b)&&(i=p[d+1]),w&&(r=j(r)),e.placement=i+(r?'-'+r:''),e.offsets.popper=se({},e.offsets.popper,S(e.instance.popper,e.offsets.reference,e.placement)),e=N(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[t]-(s?n[p?'width':'height']:0),e.placement=L(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,f=r(e.instance.popper),l=g(f),m={position:n.position},h={left:V(n.left),top:V(n.top),bottom:V(n.bottom),right:V(n.right)},c='bottom'===o?'top':'bottom',u='right'===i?'left':'right',b=B('transform');if(d='bottom'==c?-l.height+h.bottom:h.top,s='right'==u?-l.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 y='bottom'==c?-1:1,w='right'==u?-1:1;m[c]=d*y,m[u]=s*w,m.willChange=c+', '+u}var v={"x-placement":e.placement};return e.attributes=se({},v,e.attributes),e.styles=se({},m,e.styles),e},gpuAcceleration:!0,x:'bottom',y:'right'},applyStyle:{order:900,enabled:!0,fn:function(e){return U(e.instance.popper,e.styles),Y(e.instance.popper,e.attributes),e.offsets.arrow&&U(e.arrowElement,e.offsets.arrow),e},onLoad:function(e,t,o,i,n){var r=x(n,t,e),p=E(o.placement,r,t,e,o.modifiers.flip.boundariesElement,o.modifiers.flip.padding);return 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