default~code-code-example-module-ngfactory~code-code-tabs-module-ngfactory.8ef337c56e7a06e6c4e2.js

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e.dispose()})),i},t.prototype.detach=function(){if(this.hasAttached()){this.detachBackdrop(),this._togglePointerEvents(!1),this._positionStrategy&&this._positionStrategy.detach&&this._positionStrategy.detach(),this._config.scrollStrategy&&this._config.scrollStrategy.disable();var t=this._portalOutlet.detach();return this._detachments.next(),this._keyboardDispatcher.remove(this),this._detachContentWhenStable(),this._locationChanges.unsubscribe(),t}},t.prototype.dispose=function(){var t=this.hasAttached();this._positionStrategy&&this._positionStrategy.dispose(),this._config.scrollStrategy&&this._config.scrollStrategy.disable(),this.detachBackdrop(),this._locationChanges.unsubscribe(),this._keyboardDispatcher.remove(this),this._portalOutlet.dispose(),this._attachments.complete(),this._backdropClick.complete(),this._keydownEvents.complete(),this._host&&this._host.parentNode&&(this._host.parentNode.removeChild(this._host),this._host=null),this._previousHostParent=this._pane=null,t&&this._detachments.next(),this._detachments.complete()},t.prototype.hasAttached=function(){return this._portalOutlet.hasAttached()},t.prototype.backdropClick=function(){return this._backdropClick.asObservable()},t.prototype.attachments=function(){return this._attachments.asObservable()},t.prototype.detachments=function(){return this._detachments.asObservable()},t.prototype.keydownEvents=function(){return this._keydownEventsObservable},t.prototype.getConfig=function(){return this._config},t.prototype.updatePosition=function(){this._positionStrategy&&this._positionStrategy.apply()},t.prototype.updatePositionStrategy=function(t){t!==this._positionStrategy&&(this._positionStrategy&&this._positionStrategy.dispose(),this._positionStrategy=t,this.hasAttached()&&(t.attach(this),this.updatePosition()))},t.prototype.updateSize=function(t){this._config=Object(a.a)({},this._config,t),this._updateElementSize()},t.prototype.setDirection=function(t){this._config=Object(a.a)({},this._config,{direction:t}),this._updateElementDirection()},t.prototype.getDirection=function(){var t=this._config.direction;return t?"string"==typeof t?t:t.value:"ltr"},t.prototype._updateElementDirection=function(){this._host.setAttribute("dir",this.getDirection())},t.prototype._updateElementSize=function(){var t=this._pane.style;t.width=Object(n.c)(this._config.width),t.height=Object(n.c)(this._config.height),t.minWidth=Object(n.c)(this._config.minWidth),t.minHeight=Object(n.c)(this._config.minHeight),t.maxWidth=Object(n.c)(this._config.maxWidth),t.maxHeight=Object(n.c)(this._config.maxHeight)},t.prototype._togglePointerEvents=function(t){this._pane.style.pointerEvents=t?"auto":"none"},t.prototype._attachBackdrop=function(){var t=this;this._backdropElement=this._document.createElement("div"),this._backdropElement.classList.add("cdk-overlay-backdrop"),this._config.backdropClass&&this._toggleClasses(this._backdropElement,this._config.backdropClass,!0),this._host.parentElement.insertBefore(this._backdropElement,this._host),this._backdropElement.addEventListener("click",function(e){return t._backdropClick.next(e)}),"undefined"!=typeof requestAnimationFrame?this._ngZone.runOutsideAngular(function(){requestAnimationFrame(function(){t._backdropElement&&t._backdropElement.classList.add("cdk-overlay-backdrop-showing")})}):this._backdropElement.classList.add("cdk-overlay-backdrop-showing")},t.prototype._updateStackingOrder=function(){this._host.nextSibling&&this._host.parentNode.appendChild(this._host)},t.prototype.detachBackdrop=function(){var t=this,e=this._backdropElement;if(e){var i=void 0,n=function(){e&&e.parentNode&&e.parentNode.removeChild(e),t._backdropElement==e&&(t._backdropElement=null),clearTimeout(i)};e.classList.remove("cdk-overlay-backdrop-showing"),this._config.backdropClass&&this._toggleClasses(e,this._config.backdropClass,!1),this._ngZone.runOutsideAngular(function(){e.addEventListener("transitionend",n)}),e.style.pointerEvents="none",i=this._ngZone.runOutsideAngular(function(){return setTimeout(n,500)})}},t.prototype._toggleClasses=function(t,e,i){var o=t.classList;Object(n.a)(e).forEach(function(t){i?o.add(t):o.remove(t)})},t.prototype._detachContentWhenStable=function(){var t=this;this._ngZone.runOutsideAngular(function(){var e=t._ngZone.onStable.asObservable().pipe(Object(f.a)(Object(u.a)(t._attachments,t._detachments))).subscribe(function(){t._pane&&t._host&&0!==t._pane.children.length||(t._pane&&t._config.panelClass&&t._toggleClasses(t._pane,t._config.panelClass,!1),t._host&&t._host.parentElement&&(t._previousHostParent=t._host.parentElement,t._previousHostParent.removeChild(t._host)),e.unsubscribe())})})},t}(),A=function(){function t(t,e,i,n,o){var r=this;this._viewportRuler=e,this._document=i,this._platform=n,this._overlayContainer=o,this._lastBoundingBoxSize={width:0,height:0},this._isPushed=!1,this._canPush=!0,this._growAfterOpen=!1,this._hasFlexibleDimensions=!0,this._positionLocked=!1,this._viewportMargin=0,this.scrollables=[],this._preferredPositions=[],this._positionChanges=new c.a,this._resizeSubscription=h.a.EMPTY,this._offsetX=0,this._offsetY=0,this._positionChangeSubscriptions=0,this._appliedPanelClasses=[],this.positionChanges=l.a.create(function(t){var e=r._positionChanges.subscribe(t);return r._positionChangeSubscriptions++,function(){e.unsubscribe(),r._positionChangeSubscriptions--}}),this.setOrigin(t)}return Object.defineProperty(t.prototype,"positions",{get:function(){return this._preferredPositions},enumerable:!0,configurable:!0}),t.prototype.attach=function(t){var e=this;if(this._overlayRef&&t!==this._overlayRef)throw Error("This position strategy is already attached to an overlay");this._validatePositions(),t.hostElement.classList.add("cdk-overlay-connected-position-bounding-box"),this._overlayRef=t,this._boundingBox=t.hostElement,this._pane=t.overlayElement,this._isDisposed=!1,this._isInitialRender=!0,this._lastPosition=null,this._resizeSubscription.unsubscribe(),this._resizeSubscription=this._viewportRuler.change().subscribe(function(){e._isInitialRender=!0,e.apply()})},t.prototype.apply=function(){if(!(this._isDisposed||this._platform&&!this._platform.isBrowser))if(!this._isInitialRender&&this._positionLocked&&this._lastPosition)this.reapplyLastPosition();else{this._clearPanelClasses(),this._resetOverlayElementStyles(),this._resetBoundingBoxStyles(),this._viewportRect=this._getNarrowedViewportRect(),this._originRect=this._origin.getBoundingClientRect(),this._overlayRect=this._pane.getBoundingClientRect();for(var t,e=this._originRect,i=this._overlayRect,n=this._viewportRect,o=[],r=0,s=this._preferredPositions;r<s.length;r++){var a=s[r],c=this._getOriginPoint(e,a),h=this._getOverlayPoint(c,i,a),l=this._getOverlayFit(h,i,n,a);if(l.isCompletelyWithinViewport)return this._isPushed=!1,void this._applyPosition(a,c);this._canFitWithFlexibleDimensions(l,h,n)?o.push({position:a,origin:c,overlayRect:i,boundingBoxRect:this._calculateBoundingBoxRect(c,a)}):(!t||t.overlayFit.visibleArea<l.visibleArea)&&(t={overlayFit:l,overlayPoint:h,originPoint:c,position:a,overlayRect:i})}if(o.length){for(var u=null,p=-1,f=0,d=o;f<d.length;f++){var _=d[f],y=_.boundingBoxRect.width*_.boundingBoxRect.height*(_.position.weight||1);y>p&&(p=y,u=_)}return this._isPushed=!1,void this._applyPosition(u.position,u.origin)}if(this._canPush)return this._isPushed=!0,void this._applyPosition(t.position,t.originPoint);this._applyPosition(t.position,t.originPoint)}},t.prototype.detach=function(){this._clearPanelClasses(),this._lastPosition=null,this._previousPushAmount=null,this._resizeSubscription.unsubscribe()},t.prototype.dispose=function(){this._isDisposed||(this._boundingBox&&D(this._boundingBox.style,{top:"",left:"",right:"",bottom:"",height:"",width:"",alignItems:"",justifyContent:""}),this._pane&&this._resetOverlayElementStyles(),this._overlayRef&&this._overlayRef.hostElement.classList.remove("cdk-overlay-connected-position-bounding-box"),this.detach(),this._positionChanges.complete(),this._overlayRef=this._boundingBox=null,this._isDisposed=!0)},t.prototype.reapplyLastPosition=function(){if(!this._isDisposed&&(!this._platform||this._platform.isBrowser)){this._originRect=this._origin.getBoundingClientRect(),this._overlayRect=this._pane.getBoundingClientRect(),this._viewportRect=this._getNarrowedViewportRect();var t=this._lastPosition||this._preferredPositions[0],e=this._getOriginPoint(this._originRect,t);this._applyPosition(t,e)}},t.prototype.withScrollableContainers=function(t){this.scrollables=t},t.prototype.withPositions=function(t){return this._preferredPositions=t,-1===t.indexOf(this._lastPosition)&&(this._lastPosition=null),this._validatePositions(),this},t.prototype.withViewportMargin=function(t){return this._viewportMargin=t,this},t.prototype.withFlexibleDimensions=function(t){return void 0===t&&(t=!0),this._hasFlexibleDimensions=t,this},t.prototype.withGrowAfterOpen=function(t){return void 0===t&&(t=!0),this._growAfterOpen=t,this},t.prototype.withPush=function(t){return void 0===t&&(t=!0),this._canPush=t,this},t.prototype.withLockedPosition=function(t){return void 0===t&&(t=!0),this._positionLocked=t,this},t.prototype.setOrigin=function(t){return this._origin=t instanceof s.k?t.nativeElement:t,this},t.prototype.withDefaultOffsetX=function(t){return this._offsetX=t,this},t.prototype.withDefaultOffsetY=function(t){return this._offsetY=t,this},t.prototype.withTransformOriginOn=function(t){return this._transformOriginSelector=t,this},t.prototype._getOriginPoint=function(t,e){var i;if("center"==e.originX)i=t.left+t.width/2;else{var n=this._isRtl()?t.right:t.left,o=this._isRtl()?t.left:t.right;i="start"==e.originX?n:o}return{x:i,y:"center"==e.originY?t.top+t.height/2:"top"==e.originY?t.top:t.bottom}},t.prototype._getOverlayPoint=function(t,e,i){var n;return n="center"==i.overlayX?-e.width/2:"start"===i.overlayX?this._isRtl()?-e.width:0:this._isRtl()?0:-e.width,{x:t.x+n,y:t.y+("center"==i.overlayY?-e.height/2:"top"==i.overlayY?0:-e.height)}},t.prototype._getOverlayFit=function(t,e,i,n){var o=t.x,r=t.y,s=this._getOffset(n,"x"),a=this._getOffset(n,"y");s&&(o+=s),a&&(r+=a);var c=0-r,h=r+e.height-i.height,l=this._subtractOverflows(e.width,0-o,o+e.width-i.width),u=this._subtractOverflows(e.height,c,h),p=l*u;return{visibleArea:p,isCompletelyWithinViewport:e.width*e.height===p,fitsInViewportVertically:u===e.height,fitsInViewportHorizontally:l==e.width}},t.prototype._canFitWithFlexibleDimensions=function(t,e,i){if(this._hasFlexibleDimensions){var n=i.bottom-e.y,o=i.right-e.x,r=this._overlayRef.getConfig().minHeight,s=this._overlayRef.getConfig().minWidth;return(t.fitsInViewportVertically||null!=r&&r<=n)&&(t.fitsInViewportHorizontally||null!=s&&s<=o)}},t.prototype._pushOverlayOnScreen=function(t,e,i){if(this._previousPushAmount&&this._positionLocked)return{x:t.x+this._previousPushAmount.x,y:t.y+this._previousPushAmount.y};var n,o,r=this._viewportRect,s=Math.max(t.x+e.width-r.right,0),a=Math.max(t.y+e.height-r.bottom,0),c=Math.max(r.top-i.top-t.y,0),h=Math.max(r.left-i.left-t.x,0);return this._previousPushAmount={x:n=e.width<r.width?h||-s:t.x<this._viewportMargin?r.left-i.left-t.x:0,y:o=e.height<r.height?c||-a:t.y<this._viewportMargin?r.top-i.top-t.y:0},{x:t.x+n,y:t.y+o}},t.prototype._applyPosition=function(t,e){if(this._setTransformOrigin(t),this._setOverlayElementStyles(e,t),this._setBoundingBoxStyles(e,t),t.panelClass&&this._addPanelClasses(t.panelClass),this._lastPosition=t,this._positionChangeSubscriptions>0){var i=this._getScrollVisibility(),n=new P(t,i);this._positionChanges.next(n)}this._isInitialRender=!1},t.prototype._setTransformOrigin=function(t){if(this._transformOriginSelector){var e,i=this._boundingBox.querySelectorAll(this._transformOriginSelector),n=t.overlayY;e="center"===t.overlayX?"center":this._isRtl()?"start"===t.overlayX?"right":"left":"start"===t.overlayX?"left":"right";for(var o=0;o<i.length;o++)i[o].style.transformOrigin=e+" "+n}},t.prototype._calculateBoundingBoxRect=function(t,e){var i,n,o,r,s,a,c=this._viewportRect,h=this._isRtl();if("top"===e.overlayY)n=t.y,i=c.bottom-t.y;else if("bottom"===e.overlayY)i=c.height-(o=c.height-t.y+2*this._viewportMargin)+this._viewportMargin;else{var l=Math.min(c.bottom-t.y+c.top,t.y),u=this._lastBoundingBoxSize.height;n=t.y-l,(i=2*l)>u&&!this._isInitialRender&&!this._growAfterOpen&&(n=t.y-u/2)}if("end"===e.overlayX&&!h||"start"===e.overlayX&&h)a=c.right-t.x+this._viewportMargin,r=t.x-c.left;else if("start"===e.overlayX&&!h||"end"===e.overlayX&&h)s=t.x,r=c.right-t.x;else{l=Math.min(c.right-t.x+c.left,t.x);var p=this._lastBoundingBoxSize.width;s=t.x-l,(r=2*l)>p&&!this._isInitialRender&&!this._growAfterOpen&&(s=t.x-p/2)}return{top:n,left:s,bottom:o,right:a,width:r,height:i}},t.prototype._setBoundingBoxStyles=function(t,e){var i=this._calculateBoundingBoxRect(t,e);this._isInitialRender||this._growAfterOpen||(i.height=Math.min(i.height,this._lastBoundingBoxSize.height),i.width=Math.min(i.width,this._lastBoundingBoxSize.width));var o={};if(this._hasExactPosition())o.top=o.left="0",o.bottom=o.right="",o.width=o.height="100%";else{var r=this._overlayRef.getConfig().maxHeight,s=this._overlayRef.getConfig().maxWidth;o.height=Object(n.c)(i.height),o.top=Object(n.c)(i.top),o.bottom=Object(n.c)(i.bottom),o.width=Object(n.c)(i.width),o.left=Object(n.c)(i.left),o.right=Object(n.c)(i.right),o.alignItems="center"===e.overlayX?"center":"end"===e.overlayX?"flex-end":"flex-start",o.justifyContent="center"===e.overlayY?"center":"bottom"===e.overlayY?"flex-end":"flex-start",r&&(o.maxHeight=Object(n.c)(r)),s&&(o.maxWidth=Object(n.c)(s))}this._lastBoundingBoxSize=i,D(this._boundingBox.style,o)},t.prototype._resetBoundingBoxStyles=function(){D(this._boundingBox.style,{top:"0",left:"0",right:"0",bottom:"0",height:"",width:"",alignItems:"",justifyContent:""})},t.prototype._resetOverlayElementStyles=function(){D(this._pane.style,{top:"",left:"",bottom:"",right:"",position:""})},t.prototype._setOverlayElementStyles=function(t,e){var i={};if(this._hasExactPosition()){var n=this._viewportRuler.getViewportScrollPosition();D(i,this._getExactOverlayY(e,t,n)),D(i,this._getExactOverlayX(e,t,n))}else i.position="static";var o="",r=this._getOffset(e,"x"),s=this._getOffset(e,"y");r&&(o+="translateX("+r+"px) "),s&&(o+="translateY("+s+"px)"),i.transform=o.trim(),this._hasFlexibleDimensions&&this._overlayRef.getConfig().maxHeight&&(i.maxHeight=""),this._hasFlexibleDimensions&&this._overlayRef.getConfig().maxWidth&&(i.maxWidth=""),D(this._pane.style,i)},t.prototype._getExactOverlayY=function(t,e,i){var o={top:null,bottom:null},r=this._getOverlayPoint(e,this._overlayRect,t);this._isPushed&&(r=this._pushOverlayOnScreen(r,this._overlayRect,i));var s=this._overlayContainer?this._overlayContainer.getContainerElement().getBoundingClientRect().top:0;return r.y-=s,"bottom"===t.overlayY?o.bottom=this._document.documentElement.clientHeight-(r.y+this._overlayRect.height)+"px":o.top=Object(n.c)(r.y),o},t.prototype._getExactOverlayX=function(t,e,i){var o={left:null,right:null},r=this._getOverlayPoint(e,this._overlayRect,t);return this._isPushed&&(r=this._pushOverlayOnScreen(r,this._overlayRect,i)),"right"==(this._isRtl()?"end"===t.overlayX?"left":"right":"end"===t.overlayX?"right":"left")?o.right=this._document.documentElement.clientWidth-(r.x+this._overlayRect.width)+"px":o.left=Object(n.c)(r.x),o},t.prototype._getScrollVisibility=function(){var t=this._origin.getBoundingClientRect(),e=this._pane.getBoundingClientRect(),i=this.scrollables.map(function(t){return t.getElementRef().nativeElement.getBoundingClientRect()});return{isOriginClipped:w(t,i),isOriginOutsideView:v(t,i),isOverlayClipped:w(e,i),isOverlayOutsideView:v(e,i)}},t.prototype._subtractOverflows=function(t){for(var e=[],i=1;i<arguments.length;i++)e[i-1]=arguments[i];return e.reduce(function(t,e){return t-Math.max(e,0)},t)},t.prototype._getNarrowedViewportRect=function(){var t=this._document.documentElement.clientWidth,e=this._document.documentElement.clientHeight,i=this._viewportRuler.getViewportScrollPosition();return{top:i.top+this._viewportMargin,left:i.left+this._viewportMargin,right:i.left+t-this._viewportMargin,bottom:i.top+e-this._viewportMargin,width:t-2*this._viewportMargin,height:e-2*this._viewportMargin}},t.prototype._isRtl=function(){return"rtl"===this._overlayRef.getDirection()},t.prototype._hasExactPosition=function(){return!this._hasFlexibleDimensions||this._isPushed},t.prototype._getOffset=function(t,e){return"x"===e?null==t.offsetX?this._offsetX:t.offsetX:null==t.offsetY?this._offsetY:t.offsetY},t.prototype._validatePositions=function(){if(!this._preferredPositions.length)throw Error("FlexibleConnectedPositionStrategy: At least one position is required.");this._preferredPositions.forEach(function(t){E("originX",t.originX),x("originY",t.originY),E("overlayX",t.overlayX),x("overlayY",t.overlayY)})},t.prototype._addPanelClasses=function(t){var e=this;this._pane&&Object(n.a)(t).forEach(function(t){-1===e._appliedPanelClasses.indexOf(t)&&(e._appliedPanelClasses.push(t),e._pane.classList.add(t))})},t.prototype._clearPanelClasses=function(){var t=this;this._pane&&(this._appliedPanelClasses.forEach(function(e){return t._pane.classList.remove(e)}),this._appliedPanelClasses=[])},t}();function D(t,e){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t}var I=function(){function t(t,e,i,n,o,r){this._preferredPositions=[],this._positionStrategy=new A(i,n,o,r).withFlexibleDimensions(!1).withPush(!1).withViewportMargin(0),this.withFallbackPosition(t,e)}return Object.defineProperty(t.prototype,"_isRtl",{get:function(){return"rtl"===this._overlayRef.getDirection()},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onPositionChange",{get:function(){return this._positionStrategy.positionChanges},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"positions",{get:function(){return this._preferredPositions},enumerable:!0,configurable:!0}),t.prototype.attach=function(t){this._overlayRef=t,this._positionStrategy.attach(t),this._direction&&(t.setDirection(this._direction),this._direction=null)},t.prototype.dispose=function(){this._positionStrategy.dispose()},t.prototype.detach=function(){this._positionStrategy.detach()},t.prototype.apply=function(){this._positionStrategy.apply()},t.prototype.recalculateLastPosition=function(){this._positionStrategy.reapplyLastPosition()},t.prototype.withScrollableContainers=function(t){this._positionStrategy.withScrollableContainers(t)},t.prototype.withFallbackPosition=function(t,e,i,n){var o=new R(t,e,i,n);return this._preferredPositions.push(o),this._positionStrategy.withPositions(this._preferredPositions),this},t.prototype.withDirection=function(t){return this._overlayRef?this._overlayRef.setDirection(t):this._direction=t,this},t.prototype.withOffsetX=function(t){return this._positionStrategy.withDefaultOffsetX(t),this},t.prototype.withOffsetY=function(t){return this._positionStrategy.withDefaultOffsetY(t),this},t.prototype.withLockedPosition=function(t){return this._positionStrategy.withLockedPosition(t),this},t.prototype.withPositions=function(t){return this._preferredPositions=t.slice(),this._positionStrategy.withPositions(this._preferredPositions),this},t.prototype.setOrigin=function(t){return this._positionStrategy.setOrigin(t),this},t}(),L=function(){function t(){this._cssPosition="static",this._topOffset="",this._bottomOffset="",this._leftOffset="",this._rightOffset="",this._alignItems="",this._justifyContent="",this._width="",this._height=""}return t.prototype.attach=function(t){var e=t.getConfig();this._overlayRef=t,this._width&&!e.width&&t.updateSize({width:this._width}),this._height&&!e.height&&t.updateSize({height:this._height}),t.hostElement.classList.add("cdk-global-overlay-wrapper"),this._isDisposed=!1},t.prototype.top=function(t){return void 0===t&&(t=""),this._bottomOffset="",this._topOffset=t,this._alignItems="flex-start",this},t.prototype.left=function(t){return void 0===t&&(t=""),this._rightOffset="",this._leftOffset=t,this._justifyContent="flex-start",this},t.prototype.bottom=function(t){return void 0===t&&(t=""),this._topOffset="",this._bottomOffset=t,this._alignItems="flex-end",this},t.prototype.right=function(t){return void 0===t&&(t=""),this._leftOffset="",this._rightOffset=t,this._justifyContent="flex-end",this},t.prototype.width=function(t){return void 0===t&&(t=""),this._overlayRef?this._overlayRef.updateSize({width:t}):this._width=t,this},t.prototype.height=function(t){return void 0===t&&(t=""),this._overlayRef?this._overlayRef.updateSize({height:t}):this._height=t,this},t.prototype.centerHorizontally=function(t){return void 0===t&&(t=""),this.left(t),this._justifyContent="center",this},t.prototype.centerVertically=function(t){return void 0===t&&(t=""),this.top(t),this._alignItems="center",this},t.prototype.apply=function(){if(this._overlayRef&&this._overlayRef.hasAttached()){var t=this._overlayRef.overlayElement.style,e=this._overlayRef.hostElement.style,i=this._overlayRef.getConfig();t.position=this._cssPosition,t.marginLeft="100%"===i.width?"0":this._leftOffset,t.marginTop="100%"===i.height?"0":this._topOffset,t.marginBottom=this._bottomOffset,t.marginRight=this._rightOffset,"100%"===i.width?e.justifyContent="flex-start":"center"===this._justifyContent?e.justifyContent="center":"rtl"===this._overlayRef.getConfig().direction?"flex-start"===this._justifyContent?e.justifyContent="flex-end":"flex-end"===this._justifyContent&&(e.justifyContent="flex-start"):e.justifyContent=this._justifyContent,e.alignItems="100%"===i.height?"flex-start":this._alignItems}},t.prototype.dispose=function(){if(!this._isDisposed&&this._overlayRef){var t=this._overlayRef.overlayElement.style,e=this._overlayRef.hostElement,i=e.style;e.classList.remove("cdk-global-overlay-wrapper"),i.justifyContent=i.alignItems=t.marginTop=t.marginBottom=t.marginLeft=t.marginRight=t.position="",this._overlayRef=null,this._isDisposed=!0}},t}(),M=function(){function t(t,e,i,n){this._viewportRuler=t,this._document=e,this._platform=i,this._overlayContainer=n}return t.prototype.global=function(){return new L},t.prototype.connectedTo=function(t,e,i){return new I(e,i,t,this._viewportRuler,this._document)},t.prototype.flexibleConnectedTo=function(t){return new A(t,this._viewportRuler,this._document,this._platform,this._overlayContainer)},t.ngInjectableDef=Object(s.V)({factory:function(){return new t(Object(s.Y)(o.e),Object(s.Y)(r.d),Object(s.Y)(d.a,8),Object(s.Y)(j,8))},token:t,providedIn:"root"}),t}(),Y=0,F=function(){function 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i=this;t.afterDismissed().subscribe(function(){i._openedSnackBarRef==t&&(i._openedSnackBarRef=null)}),this._openedSnackBarRef?(this._openedSnackBarRef.afterDismissed().subscribe(function(){t.containerInstance.enter()}),this._openedSnackBarRef.dismiss()):t.containerInstance.enter(),e.duration&&e.duration>0&&t.afterOpened().subscribe(function(){return t._dismissAfter(e.duration)}),e.announcementMessage&&this._live.announce(e.announcementMessage,e.politeness)},t.prototype._createOverlay=function(t){var e=new l.b;e.direction=t.direction;var i=this._overlay.position().global(),n="rtl"===t.direction,o="left"===t.horizontalPosition||"start"===t.horizontalPosition&&!n||"end"===t.horizontalPosition&&n,r=!o&&"center"!==t.horizontalPosition;return o?i.left("0"):r?i.right("0"):i.centerHorizontally(),"top"===t.verticalPosition?i.top("0"):i.bottom("0"),e.positionStrategy=i,this._overlay.create(e)},t.prototype._createInjector=function(t,e){return new 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