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r>e?e:r}(ht,ft,vt):R(h?ht:ct,ft,h?vt:dt);k[E]=bt,W[E]=bt-ft}o.modifiersData[f]=W}},requiresIfExists:["offset"]},{name:"arrow",enabled:!0,phase:"main",fn:function(i){var a,u=i.state,f=i.name,s=i.options,c=u.elements.arrow,d=u.modifiersData.popperOffsets,p=y(u.placement),l=L(p),h=[r,e].indexOf(p)>=0?"height":"width";if(c&&d){var v=function(t,n){return S("number"!=typeof(t="function"==typeof t?t(Object.assign({},n.rects,{placement:n.placement})):t)?t:W(t,o))}(s.padding,u),b=A(c),m="y"===l?t:r,w="y"===l?n:e,x=u.rects.reference[h]+u.rects.reference[l]-d[l]-u.rects.popper[h],O=d[l]-u.rects.reference[l],g=H(c),j=g?"y"===l?g.clientHeight||0:g.clientWidth||0:0,M=j/2-b[h]/2+(x/2-O/2),E=R(v[m],M,j-b[h]-v[w]);u.modifiersData[f]=((a={})[l]=E,a.centerOffset=E-M,a)}},effect:function(t){var n=t.state,e=t.options.element,r=void 0===e?"[data-popper-arrow]":e;null!=r&&("string"!=typeof r||(r=n.elements.popper.querySelector(r)))&&E(n.elements.popper,r)&&(n.elements.arrow=r)},requires:["popperOffsets"],requiresIfExists:["preventOverflow"]},{name:"hide",enabled:!0,phase:"main",requiresIfExists:["preventOverflow"],fn:function(t){var n=t.state,e=t.name,r=n.rects.reference,i=n.rects.popper,o=n.modifiersData.preventOverflow,a=$(n,{elementContext:"reference"}),u=$(n,{altBoundary:!0}),f=et(a,r),s=et(u,i,o),c=rt(f),d=rt(s);n.modifiersData[e]={referenceClippingOffsets:f,popperEscapeOffsets:s,isReferenceHidden:c,hasPopperEscaped:d},n.attributes.popper=Object.assign({},n.attributes.popper,{"data-popper-reference-hidden":c,"data-popper-escaped":d})}}]});class ct{constructor(t,n,e){this.options={},this.moved=!1,this._isVisible=!1,this.reference=t,this.popover=n,this.handleAfterTransition=this.handleAfterTransition.bind(this),this.popover.addEventListener("transitionend",this.handleAfterTransition),this.setOptions(Object.assign({strategy:"fixed",placement:"bottom-start",transitionedElement:this.popover,visibleClass:"dwc-positioner--visible",modifiers:[],onBeforeOpen:()=>{},onAfterOpen:()=>{},onAfterRestore:()=>{},onTransitionEnd:()=>{}},e))}set isVisible(t){this._isVisible=t,this.popover.hidden=!t,requestAnimationFrame((()=>{this.popover.classList.toggle(this.options.visibleClass,t)}))}get isVisible(){return this._isVisible}async open(){return this.move(),await this.options.onBeforeOpen.call(this),this.isVisible=!0,this.originalPopper&&this.originalPopper.destroy(),this.originalPopper=st(this.reference,this.popover,this.options),await this.options.onAfterOpen.call(this),this.update()}async close(){return this.isVisible=!1,this.restore()}async update(){if(this.originalPopper)return this.originalPopper.update()}forceUpdate(){this.originalPopper&&this.originalPopper.forceUpdate()}setOptions(t){if(this.options=Object.assign(this.options,t),this.isVisible=this.isVisible,this.originalPopper)return this.originalPopper.setOptions(t),this.forceUpdate()}getOptions(){return this.options}async destroy(){if(this.popover.removeEventListener("transitionend",this.handleAfterTransition),this.originalPopper)return this.originalPopper.destroy(),this.restore()}async handleAfterTransition(t){t.target===this.options.transitionedElement&&(await this.options.onTransitionEnd.call(this,t),this.isVisible||this.popover.hidden||(this.popover.hidden=!0,this.popover.classList.remove(this.options.visibleClass),await this.restore()))}move(){this.options.moveTo instanceof HTMLElement&&!this.moved&&(this.options.moveTo.appendChild(this.popover),this.moved=!0)}async restore(){if(this.options.restoreTo instanceof HTMLElement&&this.moved)return this.isVisible=!1,this.moved=!1,this.options.restoreTo.appendChild(this.popover),this.options.onAfterRestore.call(this)}}const dt=(t=0,n=0)=>({name:"offset",options:{offset:[t,n]}}),pt=(t="viewport",n=!1)=>({name:"flip",options:{boundary:t,preventOverflow:n}}),lt=(t="viewport",n=!0)=>({name:"preventOverflow",options:{boundary:t,altAxis:n}}),ht=()=>({name:"hide"}),vt=()=>({name:"applyArrowHide",enabled:!0,phase:"write",fn({state:t}){const{arrow:n}=t.elements;n&&(n.style.display=0!==t.modifiersData.arrow.centerOffset?"none":"block")}});export{ct as P,vt as a,pt as f,ht as h,dt as o,lt as p}