file-viewer-demo/public/file-viewer3/assets/ImageViewer-1106b38d.js

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 * Viewer.js v1.11.3
 * https://fengyuanchen.github.io/viewerjs
 *
 * Copyright 2015-present Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2023-03-05T07:01:17.741Z
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d(r,nt,I,{once:!0}),this.viewing={abort:function(){b(r,nt,I),c.complete?t.imageRendering?t.imageRendering.abort():t.imageInitializing&&t.imageInitializing.abort():(c.src="",b(c,$,S),t.timeout&&clearTimeout(t.timeout))}},c.complete?this.load():(d(c,$,S=function(){b(c,W,E),t.load()},{once:!0}),d(c,W,E=function(){b(c,$,S),t.timeout&&(clearTimeout(t.timeout),t.timeout=!1),m(c,rt),n.loading&&m(t.canvas,Z)},{once:!0}),this.timeout&&clearTimeout(this.timeout),this.timeout=setTimeout(function(){m(c,rt),t.timeout=!1},1e3)),this},prev:function(){var t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:!1,i=this.index-1;return i<0&&(i=t?this.length-1:0),this.view(i),this},next:function(){var t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:!1,i=this.length-1,r=this.index+1;return r>i&&(r=t?0:i),this.view(r),this},move:function(t){var i=arguments.length>1&&arguments[1]!==void 0?arguments[1]:t,r=this.imageData;return 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this},zoom:function(t){var i=arguments.length>1&&arguments[1]!==void 0?arguments[1]:!1,r=arguments.length>2&&arguments[2]!==void 0?arguments[2]:null,n=arguments.length>3&&arguments[3]!==void 0?arguments[3]:null,a=this.imageData;return t=Number(t),t<0?t=1/(1-t):t=1+t,this.zoomTo(a.width*t/a.naturalWidth,i,r,n),this},zoomTo:function(t){var i=this,r=arguments.length>1&&arguments[1]!==void 0?arguments[1]:!1,n=arguments.length>2&&arguments[2]!==void 0?arguments[2]:null,a=arguments.length>3&&arguments[3]!==void 0?arguments[3]:null,s=arguments.length>4&&arguments[4]!==void 0?arguments[4]:!1,l=this.element,h=this.options,o=this.pointers,u=this.imageData,c=u.x,g=u.y,I=u.width,S=u.height,E=u.naturalWidth,x=u.naturalHeight;if(t=Math.max(0,t),_(t)&&this.viewed&&!this.played&&(s||h.zoomable)){if(!s){var D=Math.max(.01,h.minZoomRatio),N=Math.min(100,h.maxZoomRatio);t=Math.min(Math.max(t,D),N)}if(a)switch(a.type){case"wheel":h.zoomRatio>=.055&&t>.95&&t<1.05&&(t=1);break;case"pointermove":case"touchmove":case"mousemove":t>.99&&t<1.01&&(t=1);break}var T=E*t,R=x*t,F=T-I,P=R-S,M=u.ratio;if(p(h.zoom)&&d(l,ue,h.zoom,{once:!0}),A(l,ue,{ratio:t,oldRatio:M,originalEvent:a})===!1)return this;if(this.zooming=!0,a){var tt=vi(this.viewer),X=o&&Object.keys(o).length>0?pi(o):{pageX:a.pageX,pageY:a.pageY};u.x-=F*((X.pageX-tt.left-c)/I),u.y-=P*((X.pageY-tt.top-g)/S)}else B(n)&&_(n.x)&&_(n.y)?(u.x-=F*((n.x-c)/I),u.y-=P*((n.y-g)/S)):(u.x-=F/2,u.y-=P/2);u.left=u.x,u.top=u.y,u.width=T,u.height=R,u.oldRatio=M,u.ratio=t,this.renderImage(function(){i.zooming=!1,p(h.zoomed)&&d(l,he,h.zoomed,{once:!0}),A(l,he,{ratio:t,oldRatio:M,originalEvent:a},{cancelable:!1})}),r&&this.tooltip()}return this},play:function(){var t=this,i=arguments.length>0&&arguments[0]!==void 0?arguments[0]:!1;if(!this.isShown||this.played)return this;var r=this.element,n=this.options;if(p(n.play)&&d(r,ce,n.play,{once:!0}),A(r,ce)===!1)return this;var a=this.player,s=this.loadImage.bind(this),l=[],h=0,o=0;if(this.played=!0,this.onLoadWhenPlay=s,i&&this.requestFullscreen(i),f(a,q),y(this.items,function(g,I){var S=g.querySelector("img"),E=document.createElement("img");E.src=K(S,"originalUrl"),E.alt=S.getAttribute("alt"),E.referrerPolicy=S.referrerPolicy,h+=1,f(E,vt),st(E,O,n.transition),H(g,ot)&&(f(E,L),o=I),l.push(E),d(E,$,s,{once:!0}),a.appendChild(E)}),_(n.interval)&&n.interval>0){var u=function g(){clearTimeout(t.playing.timeout),m(l[o],L),o-=1,o=o>=0?o:h-1,f(l[o],L),t.playing.timeout=setTimeout(g,n.interval)},c=function g(){clearTimeout(t.playing.timeout),m(l[o],L),o+=1,o=o<h?o:0,f(l[o],L),t.playing.timeout=setTimeout(g,n.interval)};h>1&&(this.playing={prev:u,next:c,timeout:setTimeout(c,n.interval)})}return this},stop:function(){var t=this;if(!this.played)return this;var i=this.element,r=this.options;if(p(r.stop)&&d(i,fe,r.stop,{once:!0}),A(i,fe)===!1)return this;var n=this.player;return clearTimeout(this.playing.timeout),this.playing=!1,this.played=!1,y(n.getElementsByTagName("img"),function(a){b(a,$,t.onLoadWhenPlay)}),m(n,q),n.innerHTML="",this.exitFullscreen(),this},full:function(){var t=this,i=this.options,r=this.viewer,n=this.image,a=this.list;return!this.isShown||this.played||this.fulled||!i.inline?this:(this.fulled=!0,this.open(),f(this.button,Mt),i.transition&&(m(a,O),this.viewed&&m(n,O)),f(r,It),r.setAttribute("role","dialog"),r.setAttribute("aria-labelledby",this.title.id),r.setAttribute("aria-modal",!0),r.removeAttribute("style"),z(r,{zIndex:i.zIndex}),i.focus&&this.enforceFocus(),this.initContainer(),this.viewerData=C({},this.containerData),this.renderList(),this.viewed&&this.initImage(function(){t.renderImage(function(){i.transition&&setTimeout(function(){f(n,O),f(a,O)},0)})}),this)},exit:function(){var t=this,i=this.options,r=this.viewer,n=this.image,a=this.list;return!this.isShown||this.played||!this.fulled||!i.inline?this:(this.fulled=!1,this.close(),m(this.button,Mt),i.transition&&(m(a,O),this.viewed&&m(n,O)),i.focus&&this.clearEnforceFocus(),r.removeAttribute("role"),r.removeAttribute("aria-labelledby"),r.removeAttribute("aria-modal"),m(r,It),z(r,{zIndex:i.zIndexInline}),this.viewerData=C({},this.parentData),this.renderViewer(),this.renderList(),this.viewed&&this.initImage(function(){t.renderImage(function(){i.transition&&setTimeout(function(){f(n,O),f(a,O)},0)})}),this)},tooltip:function(){var t=this,i=this.options,r=this.tooltipBox,n=this.imageData;return!this.viewed||this.played||!i.tooltip?this:(r.textContent="".concat(Math.round(n.ratio*100),"%"),this.tooltipping?clearTimeout(this.tooltipping):i.transition?(this.fading&&A(r,k),f(r,q),f(r,vt),f(r,O),r.removeAttribute("aria-hidden"),r.initialOffsetWidth=r.offsetWidth,f(r,L)):(f(r,q),r.removeAttribute("aria-hidden")),this.tooltipping=setTimeout(function(){i.transition?(d(r,k,function(){m(r,q),m(r,vt),m(r,O),r.setAttribute("aria-hidden",!0),t.fading=!1},{once:!0}),m(r,L),t.fading=!0):(m(r,q),r.setAttribute("aria-hidden",!0)),t.tooltipping=!1},1e3),this)},toggle:function(){var t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:null;return this.imageData.ratio===1?this.zoomTo(this.imageData.oldRatio,!0,null,t):this.zoomTo(1,!0,null,t),this},reset:function(){return this.viewed&&!this.played&&(this.imageData=C({},this.initialImageData),this.renderImage()),this},update:function(){var t=this,i=this.element,r=this.options,n=this.isImg;if(n&&!i.parentNode)return this.destroy();var a=[];if(y(n?[i]:i.querySelectorAll("img"),function(o){p(r.filter)?r.filter.call(t,o)&&a.push(o):t.getImageURL(o)&&a.push(o)}),!a.length)return this;if(this.images=a,this.length=a.length,this.ready){var s=[];if(y(this.items,function(o,u){var c=o.querySelector("img"),g=a[u];g&&c?(g.src!==c.src||g.alt!==c.alt)&&s.push(u):s.push(u)}),z(this.list,{width:"auto"}),this.initList(),this.isShown)if(this.length){if(this.viewed){var l=s.indexOf(this.index);if(l>=0)this.viewed=!1,this.view(Math.max(Math.min(this.index-l,this.length-1),0));else{var h=this.items[this.index];f(h,ot),h.setAttribute("aria-selected",!0)}}}else this.image=null,this.viewed=!1,this.index=0,this.imageData={},this.canvas.innerHTML="",this.title.innerHTML=""}else this.build();return this},destroy:function(){var t=this.element,i=this.options;return t[v]?(this.destroyed=!0,this.ready?(this.played&&this.stop(),i.inline?(this.fulled&&this.exit(),this.unbind()):this.isShown?(this.viewing&&(this.imageRendering?this.imageRendering.abort():this.imageInitializing&&this.imageInitializing.abort()),this.hiding&&this.transitioning.abort(),this.hidden()):this.showing&&(this.transitioning.abort(),this.hidden()),this.ready=!1,this.viewer.parentNode.removeChild(this.viewer)):i.inline&&(this.delaying?this.delaying.abort():this.initializing&&this.initializing.abort()),i.inline||b(t,J,this.onStart),t[v]=void 0,this):this}},Ei={getImageURL:function(t){var i=this.options.url;return at(i)?i=t.getAttribute(i):p(i)?i=i.call(this,t):i="",i},enforceFocus:function(){var t=this;this.clearEnforceFocus(),d(document,Xt,this.onFocusin=function(i){var r=t.viewer,n=i.target;if(!(n===document||n===r||r.contains(n))){for(;n;){if(n.getAttribute("tabindex")!==null||n.getAttribute("aria-modal")==="true")return;n=n.parentElement}r.focus()}})},clearEnforceFocus:function(){this.onFocusin&&(b(document,Xt,this.onFocusin),this.onFocusin=null)},open:function(){var t=this.body;f(t,Yt),this.scrollbarWidth>0&&(t.style.paddingRight="".concat(this.scrollbarWidth+(parseFloat(this.initialBodyComputedPaddingRight)||0),"px"))},close:function(){var t=this.body;m(t,Yt),this.scrollbarWidth>0&&(t.style.paddingRight=this.initialBodyPaddingRight)},shown:function(){var t=this.element,i=this.options,r=this.viewer;this.fulled=!0,this.isShown=!0,this.render(),this.bind(),this.showing=!1,i.focus&&(r.focus(),this.enforceFocus()),p(i.shown)&&d(t,Qt,i.shown,{once:!0}),A(t,Qt)!==!1&&this.ready&&this.isShown&&!this.hiding&&this.view(this.index)},hidden:function(){var t=this.element,i=this.options,r=this.viewer;i.fucus&&this.clearEnforceFocus(),this.fulled=!1,this.viewed=!1,this.isShown=!1,this.close(),this.unbind(),f(r,Y),r.removeAttribute("role"),r.removeAttribute("aria-labelledby"),r.removeAttribute("aria-modal"),r.setAttribute("aria-hidden",!0),this.resetList(),this.resetImage(),this.hiding=!1,this.destroyed||(p(i.hidden)&&d(t,ee,i.hidden,{once:!0}),A(t,ee,null,{cancelable:!1}))},requestFullscreen:function(t){var i=this.element.ownerDocument;if(this.fulled&&!(i.fullscreenElement||i.webkitFullscreenElement||i.mozFullScreenElement||i.msFullscreenElement)){var r=i.documentElement;r.requestFullscreen?B(t)?r.requestFullscreen(t):r.requestFullscreen():r.webkitRequestFullscreen?r.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT):r.mozRequestFullScreen?r.mozRequestFullScreen():r.msRequestFullscreen&&r.msRequestFullscreen()}},exitFullscreen:function(){var t=this.element.ownerDocument;this.fulled&&(t.fullscreenElement||t.webkitFullscreenElement||t.mozFullScreenElement||t.msFullscreenElement)&&(t.exitFullscreen?t.exitFullscreen():t.webkitExitFullscreen?t.webkitExitFullscreen():t.mozCancelFullScreen?t.mozCancelFullScreen():t.msExitFullscreen&&t.msExitFullscreen())},change:function(t){var i=this.options,r=this.pointers,n=r[Object.keys(r)[0]];if(n){var a=n.endX-n.startX,s=n.endY-n.startY;switch(this.action){case dt:(a!==0||s!==0)&&(this.pointerMoved=!0,this.move(a,s,t));break;case it:this.zoom(mi(r),!1,null,t);break;case Se:{this.action="switched";var l=Math.abs(a);l>1&&l>Math.abs(s)&&(this.pointers={},a>1?this.prev(i.loop):a<-1&&this.next(i.loop));break}}y(r,function(h){h.startX=h.endX,h.startY=h.endY})}},isSwitchable:function(){var t=this.imageData,i=this.viewerData;return this.length>1&&t.x>=0&&t.y>=0&&t.width<=i.width&&t.height<=i.height}},_i=V.Viewer,Si=function(e){return function(){return e+=1,e}}(-1),Ae=function(){function e(t){var 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