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- /*
- Copyright (C) Federico Zivolo 2018
- 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|overlay)/.test(r+s+p)?e:n(o(e))}function r(e){if(!e)return document.documentElement;for(var o=ie(10)?document.body:null,n=e.offsetParent;n===o&&e.nextElementSibling;)n=(e=e.nextElementSibling).offsetParent;var i=n&&n.nodeName;return i&&'BODY'!==i&&'HTML'!==i?-1!==['TD','TABLE'].indexOf(n.nodeName)&&'static'===t(n,'position')?r(n):n: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 null===e.parentNode?e:s(e.parentNode)}function d(e,t){if(!e||!e.nodeType||!t||!t.nodeType)return document.documentElement;var o=e.compareDocumentPosition(t)&Node.DOCUMENT_POSITION_FOLLOWING,n=o?e:t,i=o?t:e,a=document.createRange();a.setStart(n,0),a.setEnd(i,0);var l=a.commonAncestorContainer;if(e!==l&&t!==l||n.contains(i))return p(l)?l:r(l);var f=s(e);return f.host?d(f.host,t):d(e,s(t).host)}function a(e){var t=1<arguments.length&&void 0!==arguments[1]?arguments[1]:'top',o='top'===t?'scrollTop':'scrollLeft',n=e.nodeName;if('BODY'===n||'HTML'===n){var i=e.ownerDocument.documentElement,r=e.ownerDocument.scrollingElement||i;return r[o]}return e[o]}function l(e,t){var o=2<arguments.length&&void 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r={left:o.left,top:o.top,width:o.right-o.left,height:o.bottom-o.top},p='HTML'===e.nodeName?h():{},s=p.width||e.clientWidth||r.right-r.left,d=p.height||e.clientHeight||r.bottom-r.top,l=e.offsetWidth-s,m=e.offsetHeight-d;if(l||m){var g=t(e);l-=f(g,'x'),m-=f(g,'y'),r.width-=l,r.height-=m}return c(r)}function u(e,o){var i=2<arguments.length&&void 0!==arguments[2]&&arguments[2],r=ie(10),p='HTML'===o.nodeName,s=g(e),d=g(o),a=n(e),f=t(o),m=parseFloat(f.borderTopWidth,10),h=parseFloat(f.borderLeftWidth,10);i&&'HTML'===o.nodeName&&(d.top=Q(d.top,0),d.left=Q(d.left,0));var u=c({top:s.top-d.top-m,left:s.left-d.left-h,width:s.width,height:s.height});if(u.marginTop=0,u.marginLeft=0,!r&&p){var b=parseFloat(f.marginTop,10),y=parseFloat(f.marginLeft,10);u.top-=m-b,u.bottom-=m-b,u.left-=h-y,u.right-=h-y,u.marginTop=b,u.marginLeft=y}return(r&&!i?o.contains(a):o===a&&'BODY'!==a.nodeName)&&(u=l(u,o)),u}function b(e){var t=1<arguments.length&&void 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m=h(),c=m.height,g=m.width;s.top+=f.top-f.marginTop,s.bottom=c+f.top,s.left+=f.left-f.marginLeft,s.right=g+f.left}else s=f}return s.left+=i,s.top+=i,s.right-=i,s.bottom-=i,s}function v(e){var t=e.width,o=e.height;return t*o}function x(e,t,o,n,i){var r=5<arguments.length&&void 0!==arguments[5]?arguments[5]:0;if(-1===e.indexOf('auto'))return e;var p=E(o,n,r,i),s={top:{width:p.width,height:t.top-p.top},right:{width:p.right-t.right,height:p.height},bottom:{width:p.width,height:p.bottom-t.bottom},left:{width:t.left-p.left,height:p.height}},d=Object.keys(s).map(function(e){return de({key:e},s[e],{area:v(s[e])})}).sort(function(e,t){return t.area-e.area}),a=d.filter(function(e){var t=e.width,n=e.height;return t>=o.clientWidth&&n>=o.clientHeight}),l=0<a.length?a[0].key:d[0].key,f=e.split('-')[1];return l+(f?'-'+f:'')}function O(e,t,o){var n=3<arguments.length&&void 0!==arguments[3]?arguments[3]:null,i=n?w(t):d(t,o);return u(o,i,n)}function L(e){var 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o,n=0;n<t.length;n++)o=t[n],o.enumerable=o.enumerable||!1,o.configurable=!0,'value'in o&&(o.writable=!0),Object.defineProperty(e,o.key,o)}return function(t,o,n){return o&&e(t.prototype,o),n&&e(t,n),t}}(),se=function(e,t,o){return t in e?Object.defineProperty(e,t,{value:o,enumerable:!0,configurable:!0,writable:!0}):e[t]=o,e},de=Object.assign||function(e){for(var t,o=1;o<arguments.length;o++)for(var n in t=arguments[o],t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e},ae=['auto-start','auto','auto-end','top-start','top','top-end','right-start','right','right-end','bottom-end','bottom','bottom-start','left-end','left','left-start'],le=ae.slice(3),fe={FLIP:'flip',CLOCKWISE:'clockwise',COUNTERCLOCKWISE:'counterclockwise'},me=function(){function t(o,n){var i=this,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{};re(this,t),this.scheduleUpdate=function(){return 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p[e]<n[e]&&!t.escapeWithReference&&(o=Q(p[e],n[e])),se({},e,o)},secondary:function(e){var o='right'===e?'left':'top',i=p[o];return p[e]>n[e]&&!t.escapeWithReference&&(i=X(p[o],n[e]-('right'===e?p.width:p.height))),se({},o,i)}};return i.forEach(function(e){var t=-1===['left','top'].indexOf(e)?'secondary':'primary';p=de({},p,s[t](e))}),e.offsets.popper=p,e},priority:['left','right','top','bottom'],padding:5,boundariesElement:'scrollParent'},keepTogether:{order:400,enabled:!0,fn:function(e){var t=e.offsets,o=t.popper,n=t.reference,i=e.placement.split('-')[0],r=J,p=-1!==['top','bottom'].indexOf(i),s=p?'right':'bottom',d=p?'left':'top',a=p?'width':'height';return o[s]<r(n[d])&&(e.offsets.popper[d]=r(n[d])-o[a]),o[d]>r(n[s])&&(e.offsets.popper[d]=r(n[s])),e}},arrow:{order:500,enabled:!0,fn:function(e,o){var n;if(!q(e.instance.modifiers,'arrow','keepTogether'))return e;var i=o.element;if('string'==typeof i){if(i=e.instance.popper.querySelector(i),!i)return e;}else if(!e.instance.popper.contains(i))return console.warn('WARNING: `arrow.element` must be child of its popper element!'),e;var 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(i)[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,y=t(e.instance.popper),w=parseFloat(y['margin'+f],10),E=parseFloat(y['border'+f+'Width'],10),v=b-e.offsets.popper[m]-w-E;return v=Q(X(s[l]-u,v),0),e.arrowElement=i,e.offsets.arrow=(n={},se(n,m,Math.round(v)),se(n,h,''),n),e},element:'[x-arrow]'},flip:{order:600,enabled:!0,fn:function(e,t){if(P(e.instance.modifiers,'inner'))return e;if(e.flipped&&e.placement===e.originalPlacement)return e;var o=E(e.instance.popper,e.instance.reference,t.padding,t.boundariesElement,e.positionFixed),n=e.placement.split('-')[0],i=S(n),r=e.placement.split('-')[1]||'',p=[];switch(t.behavior){case fe.FLIP:p=[n,i];break;case fe.CLOCKWISE:p=V(n);break;case fe.COUNTERCLOCKWISE:p=V(n,!0);break;default:p=t.behavior;}return p.forEach(function(s,d){if(n!==s||p.length===d+1)return e;n=e.placement.split('-')[0],i=S(n);var a=e.offsets.popper,l=e.offsets.reference,f=J,m='left'===n&&f(a.right)>f(l.left)||'right'===n&&f(a.left)<f(l.right)||'top'===n&&f(a.bottom)>f(l.top)||'bottom'===n&&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'===n&&h||'right'===n&&c||'top'===n&&g||'bottom'===n&&u,y=-1!==['top','bottom'].indexOf(n),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)&&(n=p[d+1]),w&&(r=K(r)),e.placement=n+(r?'-'+r:''),e.offsets.popper=de({},e.offsets.popper,T(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],n=e.offsets,i=n.popper,r=n.reference,p=-1!==['left','right'].indexOf(o),s=-1===['top','left'].indexOf(o);return i[p?'left':'top']=r[o]-(s?i[p?'width':'height']:0),e.placement=S(t),e.offsets.popper=c(i),e}},hide:{order:800,enabled:!0,fn:function(e){if(!q(e.instance.modifiers,'hide','preventOverflow'))return e;var t=e.offsets.reference,o=D(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,n=t.y,i=e.offsets.popper,p=D(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:i.position},h={left:J(i.left),top:J(i.top),bottom:J(i.bottom),right:J(i.right)},c='bottom'===o?'top':'bottom',u='right'===n?'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 y='bottom'==c?-1:1,w='right'==u?-1:1;m[c]=d*y,m[u]=s*w,m.willChange=c+', '+u}var E={"x-placement":e.placement};return e.attributes=de({},E,e.attributes),e.styles=de({},m,e.styles),e.arrowStyles=de({},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,n,i){var r=O(i,t,e,o.positionFixed),p=x(o.placement,r,t,e,o.modifiers.flip.boundariesElement,o.modifiers.flip.padding);return t.setAttribute('x-placement',p),Y(t,{position:o.positionFixed?'fixed':'absolute'}),o},gpuAcceleration:void 0}}},me});
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