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E,O={page:{top:b,left:g},viewport:{top:b-pageYOffset,bottom:pageYOffset-b-r+innerHeight,left:g-pageXOffset,right:pageXOffset-g-s+innerWidth}},x=this.target.ownerDocument,P=x.defaultView;if(P.innerHeight>x.documentElement.clientHeight&&(E=this.cache("scrollbar-size",d),O.viewport.bottom-=E.height),P.innerWidth>x.documentElement.clientWidth&&(E=this.cache("scrollbar-size",d),O.viewport.right-=E.width),-1!==["","static"].indexOf(x.body.style.position)&&-1!==["","static"].indexOf(x.body.parentElement.style.position)||(O.page.bottom=x.body.scrollHeight-b-r,O.page.right=x.body.scrollWidth-g-s),!o(this.options.optimizations)&&!1!==this.options.optimizations.moveElement&&o(this.targetModifier)){var M=this.cache("target-offsetparent",(function(){return z(e.target)})),L=this.cache("target-offsetparent-bounds",(function(){return v(e.bodyElement,M)})),Y=getComputedStyle(M),S=L,X={};if(["Top","Left","Bottom","Right"].forEach((function(t){X[t.toLowerCase()]=parseFloat(Y["border"+t+"Width"])})),L.right=x.body.scrollWidth-L.left-S.width+X.right,L.bottom=x.body.scrollHeight-L.top-S.height+X.bottom,O.page.top>=L.top+X.top&&O.page.bottom>=L.bottom&&O.page.left>=L.left+X.left&&O.page.right>=L.right){var H=M.scrollLeft,D=M.scrollTop;O.offset={top:O.page.top-L.top+D-X.top,left:O.page.left-L.left+H-X.left}}}return this.move(O),this.history.unshift(O),this.history.length>3&&this.history.pop(),t&&l(),!0}},m.move=function(t){var e=this;if(!o(this.element.parentNode)){var i,n,s,r={};for(var a in t)for(var l in r[a]={},t[a]){for(var f=!1,d=0;d<this.history.length;++d){var c=this.history[d];if(!(o(c[a])||(i=c[a][l],n=t[a][l],s=void 0,void 0===s&&(s=1),i+s>=n&&n>=i-s))){f=!0;break}}f||(r[a][l]=!0)}var u={top:"",left:"",right:"",bottom:""},m=function(t,i){var n,s;!1!==(!o(e.options.optimizations)?e.options.optimizations.gpu:null)?(t.top?(u.top=0,n=i.top):(u.bottom=0,n=-i.bottom),t.left?(u.left=0,s=i.left):(u.right=0,s=-i.right),"number"==typeof window.devicePixelRatio&&devicePixelRatio%1==0&&(s=Math.round(s*devicePixelRatio)/devicePixelRatio,n=Math.round(n*devicePixelRatio)/devicePixelRatio),u[H]="translateX("+s+"px) translateY("+n+"px)","msTransform"!==H&&(u[H]+=" translateZ(0)")):(t.top?u.top=i.top+"px":u.bottom=i.bottom+"px",t.left?u.left=i.left+"px":u.right=i.right+"px")},g=!0;!o(this.options.optimizations)&&!1===this.options.optimizations.allowPositionFixed&&(g=!1);var v,b,w=!1;if((r.page.top||r.page.bottom)&&(r.page.left||r.page.right))u.position="absolute",m(r.page,t.page);else if(g&&(r.viewport.top||r.viewport.bottom)&&(r.viewport.left||r.viewport.right))u.position="fixed",m(r.viewport,t.viewport);else if(!o(r.offset)&&r.offset.top&&r.offset.left){u.position="absolute";var y=this.cache("target-offsetparent",(function(){return z(e.target)}));z(this.element)!==y&&h((function(){e.element.parentNode.removeChild(e.element),y.appendChild(e.element)})),m(r.offset,t.offset),w=!0}else u.position="absolute",m({top:!0,left:!0},t.page);if(!w)if(this.options.bodyElement)this.element.parentNode!==this.options.bodyElement&&this.options.bodyElement.appendChild(this.element);else{for(var E=!0,O=this.element.parentNode;O&&1===O.nodeType&&"BODY"!==O.tagName&&(b=void 0,((b=(v=O).ownerDocument).fullscreenElement||b.webkitFullscreenElement||b.mozFullScreenElement||b.msFullscreenElement)!==v);){if("static"!==getComputedStyle(O).position){E=!1;break}O=O.parentNode}E||(this.element.parentNode.removeChild(this.element),this.element.ownerDocument.body.appendChild(this.element))}var x={},C=!1;for(var T in u){var P=u[T];this.element.style[T]!==P&&(C=!0,x[T]=P)}C&&h((function(){p(e.element.style,x),e.trigger("repositioned")}))}},m._addClasses=function(){var t=this.options,e=t.classes,o=t.classPrefix;i(this.element,n("element",e,o)),!1!==this.options.addTargetClasses&&i(this.target,n("target",e,o))},m._removeClasses=function(){var t=this,e=this.options,o=e.classes,i=e.classPrefix;s(this.element,n("element",o,i)),!1!==this.options.addTargetClasses&&s(this.target,n("target",o,i)),this.all.forEach((function(e){t.element.classList.remove(e),t.target.classList.remove(e)}))},u}(x);N.modules=[],F.position=B;var R=p(N,F);R.modules.push({initialize:function(){var t=this,e=this.options,o=e.classes,i=e.classPrefix;this.markers={},["target","element"].forEach((function(e){var s=document.createElement("div");s.className=n(e+"-marker",o,i);var r=document.createElement("div");r.className=n("marker-dot",o,i),s.appendChild(r),t[e].appendChild(s),t.markers[e]={dot:r,el:s}}))},position:function(t){var o={element:t.manualOffset,target:t.manualTargetOffset};for(var i in o){var n=o[i];for(var s in n){var r=n[s];(!e(r)||-1===r.indexOf("%")&&-1===r.indexOf("px"))&&(r+="px"),this.markers[i].dot.style[s]!==r&&(this.markers[i].dot.style[s]=r)}}return!0}});export default R; //# sourceMappingURL=tether.esm.min.js.map