// photoswipe@5.4.4 downloaded from https://ga.jspm.io/npm:photoswipe@5.4.4/dist/photoswipe.esm.js /** @typedef {import('../photoswipe.js').Point} Point */ /** * @template {keyof HTMLElementTagNameMap} T * @param {string} className * @param {T} tagName * @param {Node} [appendToEl] * @returns {HTMLElementTagNameMap[T]} */ function createElement(t,e,i){const s=document.createElement(e);t&&(s.className=t);i&&i.appendChild(s);return s} /** * @param {Point} p1 * @param {Point} p2 * @returns {Point} */function equalizePoints(t,e){t.x=e.x;t.y=e.y;e.id!==void 0&&(t.id=e.id);return t} /** * @param {Point} p */function roundPoint(t){t.x=Math.round(t.x);t.y=Math.round(t.y)} /** * Returns distance between two points. * * @param {Point} p1 * @param {Point} p2 * @returns {number} */function getDistanceBetween(t,e){const i=Math.abs(t.x-e.x);const s=Math.abs(t.y-e.y);return Math.sqrt(i*i+s*s)} /** * Whether X and Y positions of points are equal * * @param {Point} p1 * @param {Point} p2 * @returns {boolean} */function pointsEqual(t,e){return t.x===e.x&&t.y===e.y} /** * The float result between the min and max values. * * @param {number} val * @param {number} min * @param {number} max * @returns {number} */function clamp(t,e,i){return Math.min(Math.max(t,e),i)} /** * Get transform string * * @param {number} x * @param {number} [y] * @param {number} [scale] * @returns {string} */function toTransformString(t,e,i){let s=`translate3d(${t}px,${e||0}px,0)`;i!==void 0&&(s+=` scale3d(${i},${i},1)`);return s} /** * Apply transform:translate(x, y) scale(scale) to element * * @param {HTMLElement} el * @param {number} x * @param {number} [y] * @param {number} [scale] */function setTransform(t,e,i,s){t.style.transform=toTransformString(e,i,s)}const t="cubic-bezier(.4,0,.22,1)"; /** * Apply CSS transition to element * * @param {HTMLElement} el * @param {string} [prop] CSS property to animate * @param {number} [duration] in ms * @param {string} [ease] CSS easing function */function setTransitionStyle(e,i,s,n){e.style.transition=i?`${i} ${s}ms ${n||t}`:"none"} /** * Apply width and height CSS properties to element * * @param {HTMLElement} el * @param {string | number} w * @param {string | number} h */function setWidthHeight(t,e,i){t.style.width=typeof e==="number"?`${e}px`:e;t.style.height=typeof i==="number"?`${i}px`:i} /** * @param {HTMLElement} el */function removeTransitionStyle(t){setTransitionStyle(t)} /** * @param {HTMLImageElement} img * @returns {Promise} */function decodeImage(t){return"decode"in t?t.decode().catch((()=>{})):t.complete?Promise.resolve(t):new Promise(((e,i)=>{t.onload=()=>e(t);t.onerror=i}))} /** @typedef {LOAD_STATE[keyof LOAD_STATE]} LoadState */ /** @type {{ IDLE: 'idle'; LOADING: 'loading'; LOADED: 'loaded'; ERROR: 'error' }} */const e={IDLE:"idle",LOADING:"loading",LOADED:"loaded",ERROR:"error"}; /** * Check if click or keydown event was dispatched * with a special key or via mouse wheel. * * @param {MouseEvent | KeyboardEvent} e * @returns {boolean} */function specialKeyUsed(t){return"button"in t&&t.button===1||t.ctrlKey||t.metaKey||t.altKey||t.shiftKey} /** * Parse `gallery` or `children` options. * * @param {import('../photoswipe.js').ElementProvider} [option] * @param {string} [legacySelector] * @param {HTMLElement | Document} [parent] * @returns HTMLElement[] */function getElementsFromOption(t,e,i=document){ /** @type {HTMLElement[]} */ let s=[];if(t instanceof Element)s=[t];else if(t instanceof NodeList||Array.isArray(t))s=Array.from(t);else{const n=typeof t==="string"?t:e;n&&(s=Array.from(i.querySelectorAll(n)))}return s} /** * Check if browser is Safari * * @returns {boolean} */function isSafari(){return!!(navigator.vendor&&navigator.vendor.match(/apple/i))}let i=false;try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:()=>{i=true}}))}catch(t){} /** * @typedef {Object} PoolItem * @prop {HTMLElement | Window | Document | undefined | null} target * @prop {string} type * @prop {EventListenerOrEventListenerObject} listener * @prop {boolean} [passive] */class DOMEvents{constructor(){ /** * @type {PoolItem[]} * @private */ this._pool=[]} /** * Adds event listeners * * @param {PoolItem['target']} target * @param {PoolItem['type']} type Can be multiple, separated by space. * @param {PoolItem['listener']} listener * @param {PoolItem['passive']} [passive] */add(t,e,i,s){this._toggleListener(t,e,i,s)} /** * Removes event listeners * * @param {PoolItem['target']} target * @param {PoolItem['type']} type * @param {PoolItem['listener']} listener * @param {PoolItem['passive']} [passive] */remove(t,e,i,s){this._toggleListener(t,e,i,s,true)}removeAll(){this._pool.forEach((t=>{this._toggleListener(t.target,t.type,t.listener,t.passive,true,true)}));this._pool=[]} /** * Adds or removes event * * @private * @param {PoolItem['target']} target * @param {PoolItem['type']} type * @param {PoolItem['listener']} listener * @param {PoolItem['passive']} [passive] * @param {boolean} [unbind] Whether the event should be added or removed * @param {boolean} [skipPool] Whether events pool should be skipped */_toggleListener(t,e,s,n,o,a){if(!t)return;const r=o?"removeEventListener":"addEventListener";const h=e.split(" ");h.forEach((e=>{if(e){a||(o?this._pool=this._pool.filter((i=>i.type!==e||i.listener!==s||i.target!==t)):this._pool.push({target:t,type:e,listener:s,passive:n}));const h=!!i&&{passive:n||false};t[r](e,s,h)}}))}} /** @typedef {import('../photoswipe.js').PhotoSwipeOptions} PhotoSwipeOptions */ /** @typedef {import('../core/base.js').default} PhotoSwipeBase */ /** @typedef {import('../photoswipe.js').Point} Point */ /** @typedef {import('../slide/slide.js').SlideData} SlideData */ /** * @param {PhotoSwipeOptions} options * @param {PhotoSwipeBase} pswp * @returns {Point} */function getViewportSize(t,e){if(t.getViewportSizeFn){const i=t.getViewportSizeFn(t,e);if(i)return i}return{x:document.documentElement.clientWidth,y:window.innerHeight}} /** * Parses padding option. * Supported formats: * * // Object * padding: { * top: 0, * bottom: 0, * left: 0, * right: 0 * } * * // A function that returns the object * paddingFn: (viewportSize, itemData, index) => { * return { * top: 0, * bottom: 0, * left: 0, * right: 0 * }; * } * * // Legacy variant * paddingLeft: 0, * paddingRight: 0, * paddingTop: 0, * paddingBottom: 0, * * @param {'left' | 'top' | 'bottom' | 'right'} prop * @param {PhotoSwipeOptions} options PhotoSwipe options * @param {Point} viewportSize PhotoSwipe viewport size, for example: { x:800, y:600 } * @param {SlideData} itemData Data about the slide * @param {number} index Slide index * @returns {number} */function parsePaddingOption(t,e,i,s,n){let o=0;if(e.paddingFn)o=e.paddingFn(i,s,n)[t];else if(e.padding)o=e.padding[t];else{const i="padding"+t[0].toUpperCase()+t.slice(1);e[i]&&(o=e[i])}return Number(o)||0} /** * @param {PhotoSwipeOptions} options * @param {Point} viewportSize * @param {SlideData} itemData * @param {number} index * @returns {Point} */function getPanAreaSize(t,e,i,s){return{x:e.x-parsePaddingOption("left",t,e,i,s)-parsePaddingOption("right",t,e,i,s),y:e.y-parsePaddingOption("top",t,e,i,s)-parsePaddingOption("bottom",t,e,i,s)}} /** @typedef {import('./slide.js').default} Slide */ /** @typedef {Record} Point */ /** @typedef {'x' | 'y'} Axis */class PanBounds{ /** * @param {Slide} slide */ constructor(t){this.slide=t;this.currZoomLevel=1;this.center= /** @type {Point} */ {x:0,y:0};this.max= /** @type {Point} */ {x:0,y:0};this.min= /** @type {Point} */ {x:0,y:0}} /** * _getItemBounds * * @param {number} currZoomLevel */update(t){this.currZoomLevel=t;if(this.slide.width){this._updateAxis("x");this._updateAxis("y");this.slide.pswp.dispatch("calcBounds",{slide:this.slide})}else this.reset()} /** * _calculateItemBoundsForAxis * * @param {Axis} axis */_updateAxis(t){const{pswp:e}=this.slide;const i=this.slide[t==="x"?"width":"height"]*this.currZoomLevel;const s=t==="x"?"left":"top";const n=parsePaddingOption(s,e.options,e.viewportSize,this.slide.data,this.slide.index);const o=this.slide.panAreaSize[t];this.center[t]=Math.round((o-i)/2)+n;this.max[t]=i>o?Math.round(o-i)+n:this.center[t];this.min[t]=i>o?n:this.center[t]}reset(){this.center.x=0;this.center.y=0;this.max.x=0;this.max.y=0;this.min.x=0;this.min.y=0} /** * Correct pan position if it's beyond the bounds * * @param {Axis} axis x or y * @param {number} panOffset * @returns {number} */correctPan(t,e){return clamp(e,this.max[t],this.min[t])}}const s=4e3; /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** @typedef {import('../photoswipe.js').PhotoSwipeOptions} PhotoSwipeOptions */ /** @typedef {import('../photoswipe.js').Point} Point */ /** @typedef {import('../slide/slide.js').SlideData} SlideData */ /** @typedef {'fit' | 'fill' | number | ((zoomLevelObject: ZoomLevel) => number)} ZoomLevelOption */class ZoomLevel{ /** * @param {PhotoSwipeOptions} options PhotoSwipe options * @param {SlideData} itemData Slide data * @param {number} index Slide index * @param {PhotoSwipe} [pswp] PhotoSwipe instance, can be undefined if not initialized yet */ constructor(t,e,i,s){this.pswp=s;this.options=t;this.itemData=e;this.index=i; /** @type { Point | null } */this.panAreaSize=null; /** @type { Point | null } */this.elementSize=null;this.fit=1;this.fill=1;this.vFill=1;this.initial=1;this.secondary=1;this.max=1;this.min=1} /** * Calculate initial, secondary and maximum zoom level for the specified slide. * * It should be called when either image or viewport size changes. * * @param {number} maxWidth * @param {number} maxHeight * @param {Point} panAreaSize */update(t,e,i){ /** @type {Point} */ const s={x:t,y:e};this.elementSize=s;this.panAreaSize=i;const n=i.x/s.x;const o=i.y/s.y;this.fit=Math.min(1,no?n:o);this.vFill=Math.min(1,o);this.initial=this._getInitial();this.secondary=this._getSecondary();this.max=Math.max(this.initial,this.secondary,this._getMax());this.min=Math.min(this.fit,this.initial,this.secondary);this.pswp&&this.pswp.dispatch("zoomLevelsUpdate",{zoomLevels:this,slideData:this.itemData})} /** * Parses user-defined zoom option. * * @private * @param {'initial' | 'secondary' | 'max'} optionPrefix Zoom level option prefix (initial, secondary, max) * @returns { number | undefined } */_parseZoomLevelOption(t){const e= /** @type {'initialZoomLevel' | 'secondaryZoomLevel' | 'maxZoomLevel'} */ t+"ZoomLevel";const i=this.options[e];if(i)return typeof i==="function"?i(this):i==="fill"?this.fill:i==="fit"?this.fit:Number(i)}_getSecondary(){let t=this._parseZoomLevelOption("secondary");if(t)return t;t=Math.min(1,this.fit*3);this.elementSize&&t*this.elementSize.x>s&&(t=s/this.elementSize.x);return t}_getInitial(){return this._parseZoomLevelOption("initial")||this.fit}_getMax(){return this._parseZoomLevelOption("max")||Math.max(1,this.fit*4)}} /** @typedef {import('../photoswipe.js').default} PhotoSwipe */class Slide{ /** * @param {SlideData} data * @param {number} index * @param {PhotoSwipe} pswp */ constructor(t,e,i){this.data=t;this.index=e;this.pswp=i;this.isActive=e===i.currIndex;this.currentResolution=0; /** @type {Point} */this.panAreaSize={x:0,y:0}; /** @type {Point} */this.pan={x:0,y:0};this.isFirstSlide=this.isActive&&!i.opener.isOpen;this.zoomLevels=new ZoomLevel(i.options,t,e,i);this.pswp.dispatch("gettingData",{slide:this,data:this.data,index:e});this.content=this.pswp.contentLoader.getContentBySlide(this);this.container=createElement("pswp__zoom-wrap","div"); /** @type {HTMLElement | null} */this.holderElement=null;this.currZoomLevel=1; /** @type {number} */this.width=this.content.width; /** @type {number} */this.height=this.content.height;this.heavyAppended=false;this.bounds=new PanBounds(this);this.prevDisplayedWidth=-1;this.prevDisplayedHeight=-1;this.pswp.dispatch("slideInit",{slide:this})} /** * If this slide is active/current/visible * * @param {boolean} isActive */setIsActive(t){t&&!this.isActive?this.activate():!t&&this.isActive&&this.deactivate()} /** * Appends slide content to DOM * * @param {HTMLElement} holderElement */append(t){this.holderElement=t;this.container.style.transformOrigin="0 0";if(this.data){this.calculateSize();this.load();this.updateContentSize();this.appendHeavy();this.holderElement.appendChild(this.container);this.zoomAndPanToInitial();this.pswp.dispatch("firstZoomPan",{slide:this});this.applyCurrentZoomPan();this.pswp.dispatch("afterSetContent",{slide:this});this.isActive&&this.activate()}}load(){this.content.load(false);this.pswp.dispatch("slideLoad",{slide:this})}appendHeavy(){const{pswp:t}=this;const e=true;if(!this.heavyAppended&&t.opener.isOpen&&!t.mainScroll.isShifted()&&(this.isActive||e)&&!this.pswp.dispatch("appendHeavy",{slide:this}).defaultPrevented){this.heavyAppended=true;this.content.append();this.pswp.dispatch("appendHeavyContent",{slide:this})}}activate(){this.isActive=true;this.appendHeavy();this.content.activate();this.pswp.dispatch("slideActivate",{slide:this})}deactivate(){this.isActive=false;this.content.deactivate();this.currZoomLevel!==this.zoomLevels.initial&&this.calculateSize();this.currentResolution=0;this.zoomAndPanToInitial();this.applyCurrentZoomPan();this.updateContentSize();this.pswp.dispatch("slideDeactivate",{slide:this})}destroy(){this.content.hasSlide=false;this.content.remove();this.container.remove();this.pswp.dispatch("slideDestroy",{slide:this})}resize(){if(this.currZoomLevel!==this.zoomLevels.initial&&this.isActive){this.calculateSize();this.bounds.update(this.currZoomLevel);this.panTo(this.pan.x,this.pan.y)}else{this.calculateSize();this.currentResolution=0;this.zoomAndPanToInitial();this.applyCurrentZoomPan();this.updateContentSize()}} /** * Apply size to current slide content, * based on the current resolution and scale. * * @param {boolean} [force] if size should be updated even if dimensions weren't changed */updateContentSize(t){const e=this.currentResolution||this.zoomLevels.initial;if(!e)return;const i=Math.round(this.width*e)||this.pswp.viewportSize.x;const s=Math.round(this.height*e)||this.pswp.viewportSize.y;(this.sizeChanged(i,s)||t)&&this.content.setDisplayedSize(i,s)} /** * @param {number} width * @param {number} height */sizeChanged(t,e){if(t!==this.prevDisplayedWidth||e!==this.prevDisplayedHeight){this.prevDisplayedWidth=t;this.prevDisplayedHeight=e;return true}return false} /** @returns {HTMLImageElement | HTMLDivElement | null | undefined} */getPlaceholderElement(){var t;return(t=this.content.placeholder)===null||t===void 0?void 0:t.element} /** * Zoom current slide image to... * * @param {number} destZoomLevel Destination zoom level. * @param {Point} [centerPoint] * Transform origin center point, or false if viewport center should be used. * @param {number | false} [transitionDuration] Transition duration, may be set to 0. * @param {boolean} [ignoreBounds] Minimum and maximum zoom levels will be ignored. */zoomTo(t,e,i,s){const{pswp:n}=this;if(!this.isZoomable()||n.mainScroll.isShifted())return;n.dispatch("beforeZoomTo",{destZoomLevel:t,centerPoint:e,transitionDuration:i});n.animations.stopAllPan();const o=this.currZoomLevel;s||(t=clamp(t,this.zoomLevels.min,this.zoomLevels.max));this.setZoomLevel(t);this.pan.x=this.calculateZoomToPanOffset("x",e,o);this.pan.y=this.calculateZoomToPanOffset("y",e,o);roundPoint(this.pan);const finishTransition=()=>{this._setResolution(t);this.applyCurrentZoomPan()};i?n.animations.startTransition({isPan:true,name:"zoomTo",target:this.container,transform:this.getCurrentTransform(),onComplete:finishTransition,duration:i,easing:n.options.easing}):finishTransition()} /** * @param {Point} [centerPoint] */toggleZoom(t){this.zoomTo(this.currZoomLevel===this.zoomLevels.initial?this.zoomLevels.secondary:this.zoomLevels.initial,t,this.pswp.options.zoomAnimationDuration)} /** * Updates zoom level property and recalculates new pan bounds, * unlike zoomTo it does not apply transform (use applyCurrentZoomPan) * * @param {number} currZoomLevel */setZoomLevel(t){this.currZoomLevel=t;this.bounds.update(this.currZoomLevel)} /** * Get pan position after zoom at a given `point`. * * Always call setZoomLevel(newZoomLevel) beforehand to recalculate * pan bounds according to the new zoom level. * * @param {'x' | 'y'} axis * @param {Point} [point] * point based on which zoom is performed, usually refers to the current mouse position, * if false - viewport center will be used. * @param {number} [prevZoomLevel] Zoom level before new zoom was applied. * @returns {number} */calculateZoomToPanOffset(t,e,i){const s=this.bounds.max[t]-this.bounds.min[t];if(s===0)return this.bounds.center[t];e||(e=this.pswp.getViewportCenterPoint());i||(i=this.zoomLevels.initial);const n=this.currZoomLevel/i;return this.bounds.correctPan(t,(this.pan[t]-e[t])*n+e[t])} /** * Apply pan and keep it within bounds. * * @param {number} panX * @param {number} panY */panTo(t,e){this.pan.x=this.bounds.correctPan("x",t);this.pan.y=this.bounds.correctPan("y",e);this.applyCurrentZoomPan()} /** * If the slide in the current state can be panned by the user * @returns {boolean} */isPannable(){return Boolean(this.width)&&this.currZoomLevel>this.zoomLevels.fit} /** * If the slide can be zoomed * @returns {boolean} */isZoomable(){return Boolean(this.width)&&this.content.isZoomable()}applyCurrentZoomPan(){this._applyZoomTransform(this.pan.x,this.pan.y,this.currZoomLevel);this===this.pswp.currSlide&&this.pswp.dispatch("zoomPanUpdate",{slide:this})}zoomAndPanToInitial(){this.currZoomLevel=this.zoomLevels.initial;this.bounds.update(this.currZoomLevel);equalizePoints(this.pan,this.bounds.center);this.pswp.dispatch("initialZoomPan",{slide:this})} /** * Set translate and scale based on current resolution * * @param {number} x * @param {number} y * @param {number} zoom * @private */_applyZoomTransform(t,e,i){i/=this.currentResolution||this.zoomLevels.initial;setTransform(this.container,t,e,i)}calculateSize(){const{pswp:t}=this;equalizePoints(this.panAreaSize,getPanAreaSize(t.options,t.viewportSize,this.data,this.index));this.zoomLevels.update(this.width,this.height,this.panAreaSize);t.dispatch("calcSlideSize",{slide:this})} /** @returns {string} */getCurrentTransform(){const t=this.currZoomLevel/(this.currentResolution||this.zoomLevels.initial);return toTransformString(this.pan.x,this.pan.y,t)} /** * Set resolution and re-render the image. * * For example, if the real image size is 2000x1500, * and resolution is 0.5 - it will be rendered as 1000x750. * * Image with zoom level 2 and resolution 0.5 is * the same as image with zoom level 1 and resolution 1. * * Used to optimize animations and make * sure that browser renders image in the highest quality. * Also used by responsive images to load the correct one. * * @param {number} newResolution */_setResolution(t){if(t!==this.currentResolution){this.currentResolution=t;this.updateContentSize();this.pswp.dispatch("resolutionChanged")}}} /** @typedef {import('../photoswipe.js').Point} Point */ /** @typedef {import('./gestures.js').default} Gestures */const n=.35;const o=.6;const a=.4;const r=.5; /** * @param {number} initialVelocity * @param {number} decelerationRate * @returns {number} */function project(t,e){return t*e/(1-e)}class DragHandler{ /** * @param {Gestures} gestures */ constructor(t){this.gestures=t;this.pswp=t.pswp; /** @type {Point} */this.startPan={x:0,y:0}}start(){this.pswp.currSlide&&equalizePoints(this.startPan,this.pswp.currSlide.pan);this.pswp.animations.stopAll()}change(){const{p1:t,prevP1:e,dragAxis:i}=this.gestures;const{currSlide:s}=this.pswp;if(i==="y"&&this.pswp.options.closeOnVerticalDrag&&s&&s.currZoomLevel<=s.zoomLevels.fit&&!this.gestures.isMultitouch){const i=s.pan.y+(t.y-e.y);if(!this.pswp.dispatch("verticalDrag",{panY:i}).defaultPrevented){this._setPanWithFriction("y",i,o);const t=1-Math.abs(this._getVerticalDragRatio(s.pan.y));this.pswp.applyBgOpacity(t);s.applyCurrentZoomPan()}}else{const t=this._panOrMoveMainScroll("x");if(!t){this._panOrMoveMainScroll("y");if(s){roundPoint(s.pan);s.applyCurrentZoomPan()}}}}end(){const{velocity:t}=this.gestures;const{mainScroll:e,currSlide:i}=this.pswp;let s=0;this.pswp.animations.stopAll();if(e.isShifted()){const i=e.x-e.getCurrSlideX();const n=i/this.pswp.viewportSize.x;if(t.x<-r&&n<0||t.x<.1&&n<-.5){s=1;t.x=Math.min(t.x,0)}else if(t.x>r&&n>0||t.x>-.1&&n>.5){s=-1;t.x=Math.max(t.x,0)}e.moveIndexBy(s,true,t.x)}if(i&&i.currZoomLevel>i.zoomLevels.max||this.gestures.isMultitouch)this.gestures.zoomLevels.correctZoomPan(true);else{this._finishPanGestureForAxis("x");this._finishPanGestureForAxis("y")}} /** * @private * @param {'x' | 'y'} axis */_finishPanGestureForAxis(t){const{velocity:e}=this.gestures;const{currSlide:i}=this.pswp;if(!i)return;const{pan:s,bounds:n}=i;const o=s[t];const r=this.pswp.bgOpacity<1&&t==="y";const h=.995;const l=o+project(e[t],h);if(r){const t=this._getVerticalDragRatio(o);const e=this._getVerticalDragRatio(l);if(t<0&&e<-a||t>0&&e>a){this.pswp.close();return}}const p=n.correctPan(t,l);if(o===p)return;const d=p===l?1:.82;const c=this.pswp.bgOpacity;const u=p-o;this.pswp.animations.startSpring({name:"panGesture"+t,isPan:true,start:o,end:p,velocity:e[t],dampingRatio:d,onUpdate:e=>{if(r&&this.pswp.bgOpacity<1){const t=1-(p-e)/u;this.pswp.applyBgOpacity(clamp(c+(1-c)*t,0,1))}s[t]=Math.floor(e);i.applyCurrentZoomPan()}})} /** * Update position of the main scroll, * or/and update pan position of the current slide. * * Should return true if it changes (or can change) main scroll. * * @private * @param {'x' | 'y'} axis * @returns {boolean} */_panOrMoveMainScroll(t){const{p1:e,dragAxis:i,prevP1:s,isMultitouch:n}=this.gestures;const{currSlide:o,mainScroll:a}=this.pswp;const r=e[t]-s[t];const h=a.x+r;if(!r||!o)return false;if(t==="x"&&!o.isPannable()&&!n){a.moveTo(h,true);return true}const{bounds:l}=o;const p=o.pan[t]+r;if(this.pswp.options.allowPanToNext&&i==="x"&&t==="x"&&!n){const e=a.getCurrSlideX();const i=a.x-e;const s=r>0;const n=!s;if(p>l.min[t]&&s){const e=l.min[t]<=this.startPan[t];if(e){a.moveTo(h,true);return true}this._setPanWithFriction(t,p)}else if(p0){a.moveTo(Math.max(h,e),true);return true}if(i<0){a.moveTo(Math.min(h,e),true);return true}}else this._setPanWithFriction(t,p)}else t==="y"&&(a.isShifted()||l.min.y===l.max.y)||this._setPanWithFriction(t,p);return false} /** * Relation between pan Y position and third of viewport height. * * When we are at initial position (center bounds) - the ratio is 0, * if position is shifted upwards - the ratio is negative, * if position is shifted downwards - the ratio is positive. * * @private * @param {number} panY The current pan Y position. * @returns {number} */ _getVerticalDragRatio(t){var e,i;return(t-((e=(i=this.pswp.currSlide)===null||i===void 0?void 0:i.bounds.center.y)!==null&&e!==void 0?e:0))/(this.pswp.viewportSize.y/3)} /** * Set pan position of the current slide. * Apply friction if the position is beyond the pan bounds, * or if custom friction is defined. * * @private * @param {'x' | 'y'} axis * @param {number} potentialPan * @param {number} [customFriction] (0.1 - 1) */_setPanWithFriction(t,e,i){const{currSlide:s}=this.pswp;if(!s)return;const{pan:o,bounds:a}=s;const r=a.correctPan(t,e);if(r!==e||i){const s=Math.round(e-o[t]);o[t]+=s*(i||n)}else o[t]=e}} /** @typedef {import('../photoswipe.js').Point} Point */ /** @typedef {import('./gestures.js').default} Gestures */const h=.05;const l=.15; /** * Get center point between two points * * @param {Point} p * @param {Point} p1 * @param {Point} p2 * @returns {Point} */function getZoomPointsCenter(t,e,i){t.x=(e.x+i.x)/2;t.y=(e.y+i.y)/2;return t}class ZoomHandler{ /** * @param {Gestures} gestures */ constructor(t){this.gestures=t; /** * @private * @type {Point} */this._startPan={x:0,y:0}; /** * @private * @type {Point} */this._startZoomPoint={x:0,y:0}; /** * @private * @type {Point} */this._zoomPoint={x:0,y:0};this._wasOverFitZoomLevel=false;this._startZoomLevel=1}start(){const{currSlide:t}=this.gestures.pswp;if(t){this._startZoomLevel=t.currZoomLevel;equalizePoints(this._startPan,t.pan)}this.gestures.pswp.animations.stopAllPan();this._wasOverFitZoomLevel=false}change(){const{p1:t,startP1:e,p2:i,startP2:s,pswp:n}=this.gestures;const{currSlide:o}=n;if(!o)return;const a=o.zoomLevels.min;const r=o.zoomLevels.max;if(!o.isZoomable()||n.mainScroll.isShifted())return;getZoomPointsCenter(this._startZoomPoint,e,s);getZoomPointsCenter(this._zoomPoint,t,i);let p=1/getDistanceBetween(e,s)*getDistanceBetween(t,i)*this._startZoomLevel;p>o.zoomLevels.initial+o.zoomLevels.initial/15&&(this._wasOverFitZoomLevel=true);if(pr&&(p=r+(p-r)*h);o.pan.x=this._calculatePanForZoomLevel("x",p);o.pan.y=this._calculatePanForZoomLevel("y",p);o.setZoomLevel(p);o.applyCurrentZoomPan()}end(){const{pswp:t}=this.gestures;const{currSlide:e}=t;(!e||e.currZoomLeveli.zoomLevels.max)n=i.zoomLevels.max;else{o=false;n=s}const a=e.bgOpacity;const r=e.bgOpacity<1;const h=equalizePoints({x:0,y:0},i.pan);let l=equalizePoints({x:0,y:0},h);if(t){this._zoomPoint.x=0;this._zoomPoint.y=0;this._startZoomPoint.x=0;this._startZoomPoint.y=0;this._startZoomLevel=s;equalizePoints(this._startPan,h)}o&&(l={x:this._calculatePanForZoomLevel("x",n),y:this._calculatePanForZoomLevel("y",n)});i.setZoomLevel(n);l={x:i.bounds.correctPan("x",l.x),y:i.bounds.correctPan("y",l.y)};i.setZoomLevel(s);const p=!pointsEqual(l,h);if(p||o||r){e.animations.stopAllPan();e.animations.startSpring({isPan:true,start:0,end:1e3,velocity:0,dampingRatio:1,naturalFrequency:40,onUpdate:t=>{t/=1e3;if(p||o){if(p){i.pan.x=h.x+(l.x-h.x)*t;i.pan.y=h.y+(l.y-h.y)*t}if(o){const e=s+(n-s)*t;i.setZoomLevel(e)}i.applyCurrentZoomPan()}r&&e.bgOpacity<1&&e.applyBgOpacity(clamp(a+(1-a)*t,0,1))},onComplete:()=>{i._setResolution(n);i.applyCurrentZoomPan()}})}else{i._setResolution(n);i.applyCurrentZoomPan()}}} /** * @template {string} T * @template {string} P * @typedef {import('../types.js').AddPostfix} AddPostfix */ /** @typedef {import('./gestures.js').default} Gestures */ /** @typedef {import('../photoswipe.js').Point} Point */ /** @typedef {'imageClick' | 'bgClick' | 'tap' | 'doubleTap'} Actions */ /** * Whether the tap was performed on the main slide * (rather than controls or caption). * * @param {PointerEvent} event * @returns {boolean} */function didTapOnMainContent(t){return!! /** @type {HTMLElement} */ t.target.closest(".pswp__container")}class TapHandler{ /** * @param {Gestures} gestures */ constructor(t){this.gestures=t} /** * @param {Point} point * @param {PointerEvent} originalEvent */click(t,e){const i= /** @type {HTMLElement} */ e.target.classList;const s=i.contains("pswp__img");const n=i.contains("pswp__item")||i.contains("pswp__zoom-wrap");s?this._doClickOrTapAction("imageClick",t,e):n&&this._doClickOrTapAction("bgClick",t,e)} /** * @param {Point} point * @param {PointerEvent} originalEvent */tap(t,e){didTapOnMainContent(e)&&this._doClickOrTapAction("tap",t,e)} /** * @param {Point} point * @param {PointerEvent} originalEvent */doubleTap(t,e){didTapOnMainContent(e)&&this._doClickOrTapAction("doubleTap",t,e)} /** * @private * @param {Actions} actionName * @param {Point} point * @param {PointerEvent} originalEvent */_doClickOrTapAction(t,e,i){var s;const{pswp:n}=this.gestures;const{currSlide:o}=n;const a= /** @type {AddPostfix} */ t+"Action";const r=n.options[a];if(!n.dispatch(a,{point:e,originalEvent:i}).defaultPrevented)if(typeof r!=="function")switch(r){case"close":case"next":n[r]();break;case"zoom":o===null||o===void 0||o.toggleZoom(e);break;case"zoom-or-close":o!==null&&o!==void 0&&o.isZoomable()&&o.zoomLevels.secondary!==o.zoomLevels.initial?o.toggleZoom(e):n.options.clickToCloseNonZoomable&&n.close();break;case"toggle-controls":(s=this.gestures.pswp.element)===null||s===void 0||s.classList.toggle("pswp--ui-visible");break}else r.call(n,e,i)}} /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** @typedef {import('../photoswipe.js').Point} Point */const p=10;const d=300;const c=25;class Gestures{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t; /** @type {'x' | 'y' | null} */this.dragAxis=null; /** @type {Point} */this.p1={x:0,y:0}; /** @type {Point} */this.p2={x:0,y:0}; /** @type {Point} */this.prevP1={x:0,y:0}; /** @type {Point} */this.prevP2={x:0,y:0}; /** @type {Point} */this.startP1={x:0,y:0}; /** @type {Point} */this.startP2={x:0,y:0}; /** @type {Point} */this.velocity={x:0,y:0}; /** @type {Point} * @private */this._lastStartP1={x:0,y:0}; /** @type {Point} * @private */this._intervalP1={x:0,y:0};this._numActivePoints=0; /** @type {Point[]} * @private */this._ongoingPointers=[];this._touchEventEnabled="ontouchstart"in window;this._pointerEventEnabled=!!window.PointerEvent;this.supportsTouch=this._touchEventEnabled||this._pointerEventEnabled&&navigator.maxTouchPoints>1;this._numActivePoints=0;this._intervalTime=0;this._velocityCalculated=false;this.isMultitouch=false;this.isDragging=false;this.isZooming=false; /** @type {number | null} */this.raf=null; /** @type {NodeJS.Timeout | null} * @private */this._tapTimer=null;this.supportsTouch||(t.options.allowPanToNext=false);this.drag=new DragHandler(this);this.zoomLevels=new ZoomHandler(this);this.tapHandler=new TapHandler(this);t.on("bindEvents",(()=>{t.events.add(t.scrollWrap,"click", /** @type EventListener */ this._onClick.bind(this));if(this._pointerEventEnabled)this._bindEvents("pointer","down","up","cancel");else if(this._touchEventEnabled){this._bindEvents("touch","start","end","cancel");if(t.scrollWrap){t.scrollWrap.ontouchmove=()=>{};t.scrollWrap.ontouchend=()=>{}}}else this._bindEvents("mouse","down","up")}))} /** * @private * @param {'mouse' | 'touch' | 'pointer'} pref * @param {'down' | 'start'} down * @param {'up' | 'end'} up * @param {'cancel'} [cancel] */_bindEvents(t,e,i,s){const{pswp:n}=this;const{events:o}=n;const a=s?t+s:"";o.add(n.scrollWrap,t+e, /** @type EventListener */ this.onPointerDown.bind(this));o.add(window,t+"move", /** @type EventListener */ this.onPointerMove.bind(this));o.add(window,t+i, /** @type EventListener */ this.onPointerUp.bind(this));a&&o.add(n.scrollWrap,a, /** @type EventListener */ this.onPointerUp.bind(this))} /** * @param {PointerEvent} e */onPointerDown(t){const e=t.type==="mousedown"||t.pointerType==="mouse";if(e&&t.button>0)return;const{pswp:i}=this;if(i.opener.isOpen){if(!i.dispatch("pointerDown",{originalEvent:t}).defaultPrevented){if(e){i.mouseDetected();this._preventPointerEventBehaviour(t,"down")}i.animations.stopAll();this._updatePoints(t,"down");if(this._numActivePoints===1){this.dragAxis=null;equalizePoints(this.startP1,this.p1)}if(this._numActivePoints>1){this._clearTapTimer();this.isMultitouch=true}else this.isMultitouch=false}}else t.preventDefault()} /** * @param {PointerEvent} e */onPointerMove(t){this._preventPointerEventBehaviour(t,"move");if(this._numActivePoints){this._updatePoints(t,"move");if(!this.pswp.dispatch("pointerMove",{originalEvent:t}).defaultPrevented)if(this._numActivePoints!==1||this.isDragging){if(this._numActivePoints>1&&!this.isZooming){this._finishDrag();this.isZooming=true;this._updateStartPoints();this.zoomLevels.start();this._rafStopLoop();this._rafRenderLoop()}}else{this.dragAxis||this._calculateDragDirection();if(this.dragAxis&&!this.isDragging){if(this.isZooming){this.isZooming=false;this.zoomLevels.end()}this.isDragging=true;this._clearTapTimer();this._updateStartPoints();this._intervalTime=Date.now();this._velocityCalculated=false;equalizePoints(this._intervalP1,this.p1);this.velocity.x=0;this.velocity.y=0;this.drag.start();this._rafStopLoop();this._rafRenderLoop()}}}}_finishDrag(){if(this.isDragging){this.isDragging=false;this._velocityCalculated||this._updateVelocity(true);this.drag.end();this.dragAxis=null}} /** * @param {PointerEvent} e */onPointerUp(t){if(this._numActivePoints){this._updatePoints(t,"up");if(!this.pswp.dispatch("pointerUp",{originalEvent:t}).defaultPrevented){if(this._numActivePoints===0){this._rafStopLoop();this.isDragging?this._finishDrag():this.isZooming||this.isMultitouch||this._finishTap(t)}if(this._numActivePoints<2&&this.isZooming){this.isZooming=false;this.zoomLevels.end();if(this._numActivePoints===1){this.dragAxis=null;this._updateStartPoints()}}}}}_rafRenderLoop(){if(this.isDragging||this.isZooming){this._updateVelocity();this.isDragging?pointsEqual(this.p1,this.prevP1)||this.drag.change():pointsEqual(this.p1,this.prevP1)&&pointsEqual(this.p2,this.prevP2)||this.zoomLevels.change();this._updatePrevPoints();this.raf=requestAnimationFrame(this._rafRenderLoop.bind(this))}} /** * Update velocity at 50ms interval * * @private * @param {boolean} [force] */_updateVelocity(t){const e=Date.now();const i=e-this._intervalTime;if(!(i<50)||t){this.velocity.x=this._getVelocity("x",i);this.velocity.y=this._getVelocity("y",i);this._intervalTime=e;equalizePoints(this._intervalP1,this.p1);this._velocityCalculated=true}} /** * @private * @param {PointerEvent} e */_finishTap(t){const{mainScroll:e}=this.pswp;if(e.isShifted()){e.moveIndexBy(0,true);return}if(t.type.indexOf("cancel")>0)return;if(t.type==="mouseup"||t.pointerType==="mouse"){this.tapHandler.click(this.startP1,t);return}const i=this.pswp.options.doubleTapAction?d:0;if(this._tapTimer){this._clearTapTimer();getDistanceBetween(this._lastStartP1,this.startP1){this.tapHandler.tap(this.startP1,t);this._clearTapTimer()}),i)}}_clearTapTimer(){if(this._tapTimer){clearTimeout(this._tapTimer);this._tapTimer=null}} /** * Get velocity for axis * * @private * @param {'x' | 'y'} axis * @param {number} duration * @returns {number} */_getVelocity(t,e){const i=this.p1[t]-this._intervalP1[t];return Math.abs(i)>1&&e>5?i/e:0}_rafStopLoop(){if(this.raf){cancelAnimationFrame(this.raf);this.raf=null}} /** * @private * @param {PointerEvent} e * @param {'up' | 'down' | 'move'} pointerType Normalized pointer type */_preventPointerEventBehaviour(t,e){const i=this.pswp.applyFilters("preventPointerEvent",true,t,e);i&&t.preventDefault()} /** * Parses and normalizes points from the touch, mouse or pointer event. * Updates p1 and p2. * * @private * @param {PointerEvent | TouchEvent} e * @param {'up' | 'down' | 'move'} pointerType Normalized pointer type */_updatePoints(t,e){if(this._pointerEventEnabled){const i= /** @type {PointerEvent} */ t;const s=this._ongoingPointers.findIndex((t=>t.id===i.pointerId));e==="up"&&s>-1?this._ongoingPointers.splice(s,1):e==="down"&&s===-1?this._ongoingPointers.push(this._convertEventPosToPoint(i,{x:0,y:0})):s>-1&&this._convertEventPosToPoint(i,this._ongoingPointers[s]);this._numActivePoints=this._ongoingPointers.length;this._numActivePoints>0&&equalizePoints(this.p1,this._ongoingPointers[0]);this._numActivePoints>1&&equalizePoints(this.p2,this._ongoingPointers[1])}else{const i= /** @type {TouchEvent} */ t;this._numActivePoints=0;if(i.type.indexOf("touch")>-1){if(i.touches&&i.touches.length>0){this._convertEventPosToPoint(i.touches[0],this.p1);this._numActivePoints++;if(i.touches.length>1){this._convertEventPosToPoint(i.touches[1],this.p2);this._numActivePoints++}}}else{this._convertEventPosToPoint( /** @type {PointerEvent} */ t,this.p1);e==="up"?this._numActivePoints=0:this._numActivePoints++}}}_updatePrevPoints(){equalizePoints(this.prevP1,this.p1);equalizePoints(this.prevP2,this.p2)}_updateStartPoints(){equalizePoints(this.startP1,this.p1);equalizePoints(this.startP2,this.p2);this._updatePrevPoints()}_calculateDragDirection(){if(this.pswp.mainScroll.isShifted())this.dragAxis="x";else{const t=Math.abs(this.p1.x-this.startP1.x)-Math.abs(this.p1.y-this.startP1.y);if(t!==0){const e=t>0?"x":"y";Math.abs(this.p1[e]-this.startP1[e])>=p&&(this.dragAxis=e)}}} /** * Converts touch, pointer or mouse event * to PhotoSwipe point. * * @private * @param {Touch | PointerEvent} e * @param {Point} p * @returns {Point} */_convertEventPosToPoint(t,e){e.x=t.pageX-this.pswp.offset.x;e.y=t.pageY-this.pswp.offset.y;"pointerId"in t?e.id=t.pointerId:t.identifier!==void 0&&(e.id=t.identifier);return e} /** * @private * @param {PointerEvent} e */_onClick(t){if(this.pswp.mainScroll.isShifted()){t.preventDefault();t.stopPropagation()}}} /** @typedef {import('./photoswipe.js').default} PhotoSwipe */ /** @typedef {import('./slide/slide.js').default} Slide */ /** @typedef {{ el: HTMLDivElement; slide?: Slide }} ItemHolder */const u=.35;class MainScroll{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;this.x=0;this.slideWidth=0;this._currPositionIndex=0;this._prevPositionIndex=0;this._containerShiftIndex=-1; /** @type {ItemHolder[]} */this.itemHolders=[]} /** * Position the scroller and slide containers * according to viewport size. * * @param {boolean} [resizeSlides] Whether slides content should resized */resize(t){const{pswp:e}=this;const i=Math.round(e.viewportSize.x+e.viewportSize.x*e.options.spacing);const s=i!==this.slideWidth;if(s){this.slideWidth=i;this.moveTo(this.getCurrSlideX())}this.itemHolders.forEach(((e,i)=>{s&&setTransform(e.el,(i+this._containerShiftIndex)*this.slideWidth);t&&e.slide&&e.slide.resize()}))}resetPosition(){this._currPositionIndex=0;this._prevPositionIndex=0;this.slideWidth=0;this._containerShiftIndex=-1}appendHolders(){this.itemHolders=[];for(let t=0;t<3;t++){const e=createElement("pswp__item","div",this.pswp.container);e.setAttribute("role","group");e.setAttribute("aria-roledescription","slide");e.setAttribute("aria-hidden","true");e.style.display=t===1?"block":"none";this.itemHolders.push({el:e})}} /** * Whether the main scroll can be horizontally swiped to the next or previous slide. * @returns {boolean} */canBeSwiped(){return this.pswp.getNumItems()>1} /** * Move main scroll by X amount of slides. * For example: * `-1` will move to the previous slide, * `0` will reset the scroll position of the current slide, * `3` will move three slides forward * * If loop option is enabled - index will be automatically looped too, * (for example `-1` will move to the last slide of the gallery). * * @param {number} diff * @param {boolean} [animate] * @param {number} [velocityX] * @returns {boolean} whether index was changed or not */moveIndexBy(t,e,i){const{pswp:s}=this;let n=s.potentialIndex+t;const o=s.getNumItems();if(s.canLoop()){n=s.getLoopedIndex(n);const e=(t+o)%o;t=e<=o/2?e:e-o}else{n<0?n=0:n>=o&&(n=o-1);t=n-s.potentialIndex}s.potentialIndex=n;this._currPositionIndex-=t;s.animations.stopMainScroll();const a=this.getCurrSlideX();if(e){s.animations.startSpring({isMainScroll:true,start:this.x,end:a,velocity:i||0,naturalFrequency:30,dampingRatio:1,onUpdate:t=>{this.moveTo(t)},onComplete:()=>{this.updateCurrItem();s.appendHeavy()}});let t=s.potentialIndex-s.currIndex;if(s.canLoop()){const e=(t+o)%o;t=e<=o/2?e:e-o}Math.abs(t)>1&&this.updateCurrItem()}else{this.moveTo(a);this.updateCurrItem()}return Boolean(t)} /** * X position of the main scroll for the current slide * (ignores position during dragging) * @returns {number} */getCurrSlideX(){return this.slideWidth*this._currPositionIndex} /** * Whether scroll position is shifted. * For example, it will return true if the scroll is being dragged or animated. * @returns {boolean} */isShifted(){return this.x!==this.getCurrSlideX()}updateCurrItem(){var t;const{pswp:e}=this;const i=this._prevPositionIndex-this._currPositionIndex;if(!i)return;this._prevPositionIndex=this._currPositionIndex;e.currIndex=e.potentialIndex;let s=Math.abs(i); /** @type {ItemHolder | undefined} */let n;if(s>=3){this._containerShiftIndex+=i+(i>0?-3:3);s=3;this.itemHolders.forEach((t=>{var e;(e=t.slide)===null||e===void 0||e.destroy();t.slide=void 0}))}for(let t=0;t0){n=this.itemHolders.shift();if(n){this.itemHolders[2]=n;this._containerShiftIndex++;setTransform(n.el,(this._containerShiftIndex+2)*this.slideWidth);e.setContent(n,e.currIndex-s+t+2)}}else{n=this.itemHolders.pop();if(n){this.itemHolders.unshift(n);this._containerShiftIndex--;setTransform(n.el,this._containerShiftIndex*this.slideWidth);e.setContent(n,e.currIndex+s-t-2)}}if(Math.abs(this._containerShiftIndex)>50&&!this.isShifted()){this.resetPosition();this.resize()}e.animations.stopAllPan();this.itemHolders.forEach(((t,e)=>{t.slide&&t.slide.setIsActive(e===1)}));e.currSlide=(t=this.itemHolders[1])===null||t===void 0?void 0:t.slide;e.contentLoader.updateLazy(i);e.currSlide&&e.currSlide.applyCurrentZoomPan();e.dispatch("change")} /** * Move the X position of the main scroll container * * @param {number} x * @param {boolean} [dragging] */moveTo(t,e){if(!this.pswp.canLoop()&&e){let e=(this.slideWidth*this._currPositionIndex-t)/this.slideWidth;e+=this.pswp.currIndex;const i=Math.round(t-this.x);(e<0&&i>0||e>=this.pswp.getNumItems()-1&&i<0)&&(t=this.x+i*u)}this.x=t;this.pswp.container&&setTransform(this.pswp.container,t);this.pswp.dispatch("moveMainScroll",{x:t,dragging:e!==null&&e!==void 0&&e})}} /** @typedef {import('./photoswipe.js').default} PhotoSwipe */ /** * @template T * @typedef {import('./types.js').Methods} Methods */const m={Escape:27,z:90,ArrowLeft:37,ArrowUp:38,ArrowRight:39,ArrowDown:40,Tab:9}; /** * @template {keyof KeyboardKeyCodesMap} T * @param {T} key * @param {boolean} isKeySupported * @returns {T | number | undefined} */const getKeyboardEventKey=(t,e)=>e?t:m[t];class Keyboard{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;this._wasFocused=false;t.on("bindEvents",(()=>{if(t.options.trapFocus){t.options.initialPointerPos||this._focusRoot();t.events.add(document,"focusin", /** @type EventListener */ this._onFocusIn.bind(this))}t.events.add(document,"keydown", /** @type EventListener */ this._onKeyDown.bind(this))}));const e= /** @type {HTMLElement} */ document.activeElement;t.on("destroy",(()=>{t.options.returnFocus&&e&&this._wasFocused&&e.focus()}))}_focusRoot(){if(!this._wasFocused&&this.pswp.element){this.pswp.element.focus();this._wasFocused=true}} /** * @private * @param {KeyboardEvent} e */_onKeyDown(t){const{pswp:e}=this;if(e.dispatch("keydown",{originalEvent:t}).defaultPrevented)return;if(specialKeyUsed(t))return; /** @type {Methods | undefined} */let i; /** @type {'x' | 'y' | undefined} */let s;let n=false;const o="key"in t;switch(o?t.key:t.keyCode){case getKeyboardEventKey("Escape",o):e.options.escKey&&(i="close");break;case getKeyboardEventKey("z",o):i="toggleZoom";break;case getKeyboardEventKey("ArrowLeft",o):s="x";break;case getKeyboardEventKey("ArrowUp",o):s="y";break;case getKeyboardEventKey("ArrowRight",o):s="x";n=true;break;case getKeyboardEventKey("ArrowDown",o):n=true;s="y";break;case getKeyboardEventKey("Tab",o):this._focusRoot();break}if(s){t.preventDefault();const{currSlide:o}=e;if(e.options.arrowKeys&&s==="x"&&e.getNumItems()>1)i=n?"next":"prev";else if(o&&o.currZoomLevel>o.zoomLevels.fit){o.pan[s]+=n?-80:80;o.panTo(o.pan.x,o.pan.y)}}if(i){t.preventDefault();e[i]()}} /** * Trap focus inside photoswipe * * @private * @param {FocusEvent} e */_onFocusIn(t){const{template:e}=this.pswp;e&&document!==t.target&&e!==t.target&&!e.contains( /** @type {Node} */ t.target)&&e.focus()}}const f="cubic-bezier(.4,0,.22,1)"; /** @typedef {import('./animations.js').SharedAnimationProps} SharedAnimationProps */ /** @typedef {Object} DefaultCssAnimationProps * * @prop {HTMLElement} target * @prop {number} [duration] * @prop {string} [easing] * @prop {string} [transform] * @prop {string} [opacity] * */ /** @typedef {SharedAnimationProps & DefaultCssAnimationProps} CssAnimationProps */class CSSAnimation{ /** * onComplete can be unpredictable, be careful about current state * * @param {CssAnimationProps} props */ constructor(t){var e;this.props=t;const{target:i,onComplete:s,transform:n,onFinish:o=(()=>{}),duration:a=333,easing:r=f}=t;this.onFinish=o;const h=n?"transform":"opacity";const l=(e=t[h])!==null&&e!==void 0?e:"";this._target=i;this._onComplete=s;this._finished=false;this._onTransitionEnd=this._onTransitionEnd.bind(this);this._helperTimeout=setTimeout((()=>{setTransitionStyle(i,h,a,r);this._helperTimeout=setTimeout((()=>{i.addEventListener("transitionend",this._onTransitionEnd,false);i.addEventListener("transitioncancel",this._onTransitionEnd,false);this._helperTimeout=setTimeout((()=>{this._finalizeAnimation()}),a+500);i.style[h]=l}),30)}),0)} /** * @private * @param {TransitionEvent} e */_onTransitionEnd(t){t.target===this._target&&this._finalizeAnimation()}_finalizeAnimation(){if(!this._finished){this._finished=true;this.onFinish();this._onComplete&&this._onComplete()}}destroy(){this._helperTimeout&&clearTimeout(this._helperTimeout);removeTransitionStyle(this._target);this._target.removeEventListener("transitionend",this._onTransitionEnd,false);this._target.removeEventListener("transitioncancel",this._onTransitionEnd,false);this._finished||this._finalizeAnimation()}}const v=12;const g=.75;class SpringEaser{ /** * @param {number} initialVelocity Initial velocity, px per ms. * * @param {number} [dampingRatio] * Determines how bouncy animation will be. * From 0 to 1, 0 - always overshoot, 1 - do not overshoot. * "overshoot" refers to part of animation that * goes beyond the final value. * * @param {number} [naturalFrequency] * Determines how fast animation will slow down. * The higher value - the stiffer the transition will be, * and the faster it will slow down. * Recommended value from 10 to 50 */ constructor(t,e,i){this.velocity=t*1e3;this._dampingRatio=e||g;this._naturalFrequency=i||v;this._dampedFrequency=this._naturalFrequency;this._dampingRatio<1&&(this._dampedFrequency*=Math.sqrt(1-this._dampingRatio*this._dampingRatio))} /** * @param {number} deltaPosition Difference between current and end position of the animation * @param {number} deltaTime Frame duration in milliseconds * * @returns {number} Displacement, relative to the end position. */easeFrame(t,e){let i=0;let s;e/=1e3;const n=Math.E**(-this._dampingRatio*this._naturalFrequency*e);if(this._dampingRatio===1){s=this.velocity+this._naturalFrequency*t;i=(t+s*e)*n;this.velocity=i*-this._naturalFrequency+s*n}else if(this._dampingRatio<1){s=1/this._dampedFrequency*(this._dampingRatio*this._naturalFrequency*t+this.velocity);const o=Math.cos(this._dampedFrequency*e);const a=Math.sin(this._dampedFrequency*e);i=n*(t*o+s*a);this.velocity=i*-this._naturalFrequency*this._dampingRatio+n*(-this._dampedFrequency*t*a+this._dampedFrequency*s*o)}return i}} /** @typedef {import('./animations.js').SharedAnimationProps} SharedAnimationProps */ /** * @typedef {Object} DefaultSpringAnimationProps * * @prop {number} start * @prop {number} end * @prop {number} velocity * @prop {number} [dampingRatio] * @prop {number} [naturalFrequency] * @prop {(end: number) => void} onUpdate */ /** @typedef {SharedAnimationProps & DefaultSpringAnimationProps} SpringAnimationProps */class SpringAnimation{ /** * @param {SpringAnimationProps} props */ constructor(t){this.props=t;this._raf=0;const{start:e,end:i,velocity:s,onUpdate:n,onComplete:o,onFinish:a=(()=>{}),dampingRatio:r,naturalFrequency:h}=t;this.onFinish=a;const l=new SpringEaser(s,r,h);let p=Date.now();let d=e-i;const animationLoop=()=>{if(this._raf){d=l.easeFrame(d,Date.now()-p);if(Math.abs(d)<1&&Math.abs(l.velocity)<50){n(i);o&&o();this.onFinish()}else{p=Date.now();n(d+i);this._raf=requestAnimationFrame(animationLoop)}}};this._raf=requestAnimationFrame(animationLoop)}destroy(){this._raf>=0&&cancelAnimationFrame(this._raf);this._raf=0}} /** @typedef {import('./css-animation.js').CssAnimationProps} CssAnimationProps */ /** @typedef {import('./spring-animation.js').SpringAnimationProps} SpringAnimationProps */ /** @typedef {Object} SharedAnimationProps * @prop {string} [name] * @prop {boolean} [isPan] * @prop {boolean} [isMainScroll] * @prop {VoidFunction} [onComplete] * @prop {VoidFunction} [onFinish] */ /** @typedef {SpringAnimation | CSSAnimation} Animation */ /** @typedef {SpringAnimationProps | CssAnimationProps} AnimationProps */class Animations{constructor(){ /** @type {Animation[]} */ this.activeAnimations=[]} /** * @param {SpringAnimationProps} props */startSpring(t){this._start(t,true)} /** * @param {CssAnimationProps} props */startTransition(t){this._start(t)} /** * @private * @param {AnimationProps} props * @param {boolean} [isSpring] * @returns {Animation} */_start(t,e){const i=e?new SpringAnimation( /** @type SpringAnimationProps */ t):new CSSAnimation( /** @type CssAnimationProps */ t);this.activeAnimations.push(i);i.onFinish=()=>this.stop(i);return i} /** * @param {Animation} animation */stop(t){t.destroy();const e=this.activeAnimations.indexOf(t);e>-1&&this.activeAnimations.splice(e,1)}stopAll(){this.activeAnimations.forEach((t=>{t.destroy()}));this.activeAnimations=[]}stopAllPan(){this.activeAnimations=this.activeAnimations.filter((t=>{if(t.props.isPan){t.destroy();return false}return true}))}stopMainScroll(){this.activeAnimations=this.activeAnimations.filter((t=>{if(t.props.isMainScroll){t.destroy();return false}return true}))}isPanRunning(){return this.activeAnimations.some((t=>t.props.isPan))}} /** @typedef {import('./photoswipe.js').default} PhotoSwipe */class ScrollWheel{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;t.events.add(t.element,"wheel", /** @type EventListener */ this._onWheel.bind(this))} /** * @private * @param {WheelEvent} e */_onWheel(t){t.preventDefault();const{currSlide:e}=this.pswp;let{deltaX:i,deltaY:s}=t;if(e&&!this.pswp.dispatch("wheel",{originalEvent:t}).defaultPrevented)if(t.ctrlKey||this.pswp.options.wheelToZoom){if(e.isZoomable()){let i=-s;t.deltaMode===1?i*=.05:i*=t.deltaMode?1:.002;i=2**i;const n=e.currZoomLevel*i;e.zoomTo(n,{x:t.clientX,y:t.clientY})}}else if(e.isPannable()){if(t.deltaMode===1){i*=18;s*=18}e.panTo(e.pan.x-i,e.pan.y-s)}}} /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** * @template T * @typedef {import('../types.js').Methods} Methods */ /** * @typedef {Object} UIElementMarkupProps * @prop {boolean} [isCustomSVG] * @prop {string} inner * @prop {string} [outlineID] * @prop {number | string} [size] */ /** * @typedef {Object} UIElementData * @prop {DefaultUIElements | string} [name] * @prop {string} [className] * @prop {UIElementMarkup} [html] * @prop {boolean} [isButton] * @prop {keyof HTMLElementTagNameMap} [tagName] * @prop {string} [title] * @prop {string} [ariaLabel] * @prop {(element: HTMLElement, pswp: PhotoSwipe) => void} [onInit] * @prop {Methods | ((e: MouseEvent, element: HTMLElement, pswp: PhotoSwipe) => void)} [onClick] * @prop {'bar' | 'wrapper' | 'root'} [appendTo] * @prop {number} [order] */ /** @typedef {'arrowPrev' | 'arrowNext' | 'close' | 'zoom' | 'counter'} DefaultUIElements */ /** @typedef {string | UIElementMarkupProps} UIElementMarkup */ /** * @param {UIElementMarkup} [htmlData] * @returns {string} */function addElementHTML(t){if(typeof t==="string")return t;if(!t||!t.isCustomSVG)return"";const e=t;let i='";return i}class UIElement{ /** * @param {PhotoSwipe} pswp * @param {UIElementData} data */ constructor(t,e){var i;const s=e.name||e.className;let n=e.html;if(t.options[s]===false)return;typeof t.options[s+"SVG"]==="string"&&(n=t.options[s+"SVG"]);t.dispatch("uiElementCreate",{data:e});let o="";if(e.isButton){o+="pswp__button ";o+=e.className||`pswp__button--${e.name}`}else o+=e.className||`pswp__${e.name}`;let a=e.isButton?e.tagName||"button":e.tagName||"div";a= /** @type {keyof HTMLElementTagNameMap} */ a.toLowerCase(); /** @type {HTMLElement} */const r=createElement(o,a);if(e.isButton){a==="button"&&( /** @type {HTMLButtonElement} */ r.type="button");let{title:i}=e;const{ariaLabel:n}=e;typeof t.options[s+"Title"]==="string"&&(i=t.options[s+"Title"]);i&&(r.title=i);const o=n||i;o&&r.setAttribute("aria-label",o)}r.innerHTML=addElementHTML(n);e.onInit&&e.onInit(r,t);e.onClick&&(r.onclick=i=>{typeof e.onClick==="string"?t[e.onClick]():typeof e.onClick==="function"&&e.onClick(i,r,t)});const h=e.appendTo||"bar"; /** @type {HTMLElement | undefined} root element by default */let l=t.element;if(h==="bar"){t.topBar||(t.topBar=createElement("pswp__top-bar pswp__hide-on-close","div",t.scrollWrap));l=t.topBar}else{r.classList.add("pswp__hide-on-close");h==="wrapper"&&(l=t.scrollWrap)}(i=l)===null||i===void 0||i.appendChild(t.applyFilters("uiElement",r,e))}} /** @typedef {import('./ui-element.js').UIElementData} UIElementData */ /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** * * @param {HTMLElement} element * @param {PhotoSwipe} pswp * @param {boolean} [isNextButton] */function initArrowButton(t,e,i){t.classList.add("pswp__button--arrow");t.setAttribute("aria-controls","pswp__items");e.on("change",(()=>{e.options.loop||( /** @type {HTMLButtonElement} */ t.disabled=i?!(e.currIndex0))}))} /** @type {UIElementData} */const _={name:"arrowPrev",className:"pswp__button--arrow--prev",title:"Previous",order:10,isButton:true,appendTo:"wrapper",html:{isCustomSVG:true,size:60,inner:'',outlineID:"pswp__icn-arrow"},onClick:"prev",onInit:initArrowButton}; /** @type {UIElementData} */const y={name:"arrowNext",className:"pswp__button--arrow--next",title:"Next",order:11,isButton:true,appendTo:"wrapper",html:{isCustomSVG:true,size:60,inner:'',outlineID:"pswp__icn-arrow"},onClick:"next",onInit:(t,e)=>{initArrowButton(t,e,true)}}; /** @type {import('./ui-element.js').UIElementData} UIElementData */const w={name:"close",title:"Close",order:20,isButton:true,html:{isCustomSVG:true,inner:'',outlineID:"pswp__icn-close"},onClick:"close"}; /** @type {import('./ui-element.js').UIElementData} UIElementData */const P={name:"zoom",title:"Zoom",order:10,isButton:true,html:{isCustomSVG:true,inner:'',outlineID:"pswp__icn-zoom"},onClick:"toggleZoom"}; /** @type {import('./ui-element.js').UIElementData} UIElementData */const S={name:"preloader",appendTo:"bar",order:7,html:{isCustomSVG:true,inner:'',outlineID:"pswp__icn-loading"},onInit:(t,e)=>{ /** @type {boolean | undefined} */ let i; /** @type {NodeJS.Timeout | null} */let s=null; /** * @param {string} className * @param {boolean} add */const toggleIndicatorClass=(e,i)=>{t.classList.toggle("pswp__preloader--"+e,i)}; /** * @param {boolean} visible */const setIndicatorVisibility=t=>{if(i!==t){i=t;toggleIndicatorClass("active",t)}};const updatePreloaderVisibility=()=>{var t;if((t=e.currSlide)!==null&&t!==void 0&&t.content.isLoading())s||(s=setTimeout((()=>{var t;setIndicatorVisibility(Boolean((t=e.currSlide)===null||t===void 0?void 0:t.content.isLoading()));s=null}),e.options.preloaderDelay));else{setIndicatorVisibility(false);if(s){clearTimeout(s);s=null}}};e.on("change",updatePreloaderVisibility);e.on("loadComplete",(t=>{e.currSlide===t.slide&&updatePreloaderVisibility()}));e.ui&&(e.ui.updatePreloaderVisibility=updatePreloaderVisibility)}}; /** @type {import('./ui-element.js').UIElementData} UIElementData */const x={name:"counter",order:5,onInit:(t,e)=>{e.on("change",(()=>{t.innerText=e.currIndex+1+e.options.indexIndicatorSep+e.getNumItems()}))}}; /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** @typedef {import('./ui-element.js').UIElementData} UIElementData */ /** * Set special class on element when image is zoomed. * * By default, it is used to adjust * zoom icon and zoom cursor via CSS. * * @param {HTMLElement} el * @param {boolean} isZoomedIn */function setZoomedIn(t,e){t.classList.toggle("pswp--zoomed-in",e)}class UI{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;this.isRegistered=false; /** @type {UIElementData[]} */this.uiElementsData=[]; /** @type {(UIElement | UIElementData)[]} */this.items=[]; /** @type {() => void} */this.updatePreloaderVisibility=()=>{}; /** * @private * @type {number | undefined} */this._lastUpdatedZoomLevel=void 0}init(){const{pswp:t}=this;this.isRegistered=false;this.uiElementsData=[w,_,y,P,S,x];t.dispatch("uiRegister");this.uiElementsData.sort(((t,e)=>(t.order||0)-(e.order||0)));this.items=[];this.isRegistered=true;this.uiElementsData.forEach((t=>{this.registerElement(t)}));t.on("change",(()=>{var e;(e=t.element)===null||e===void 0||e.classList.toggle("pswp--one-slide",t.getNumItems()===1)}));t.on("zoomPanUpdate",(()=>this._onZoomPanUpdate()))} /** * @param {UIElementData} elementData */registerElement(t){this.isRegistered?this.items.push(new UIElement(this.pswp,t)):this.uiElementsData.push(t)}_onZoomPanUpdate(){const{template:t,currSlide:e,options:i}=this.pswp;if(this.pswp.opener.isClosing||!t||!e)return;let{currZoomLevel:s}=e;this.pswp.opener.isOpen||(s=e.zoomLevels.initial);if(s===this._lastUpdatedZoomLevel)return;this._lastUpdatedZoomLevel=s;const n=e.zoomLevels.initial-e.zoomLevels.secondary;if(Math.abs(n)<.01||!e.isZoomable()){setZoomedIn(t,false);t.classList.remove("pswp--zoom-allowed");return}t.classList.add("pswp--zoom-allowed");const o=s===e.zoomLevels.initial?e.zoomLevels.secondary:e.zoomLevels.initial;setZoomedIn(t,o<=s);i.imageClickAction!=="zoom"&&i.imageClickAction!=="zoom-or-close"||t.classList.add("pswp--click-to-zoom")}} /** @typedef {import('./slide.js').SlideData} SlideData */ /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** @typedef {{ x: number; y: number; w: number; innerRect?: { w: number; h: number; x: number; y: number } }} Bounds */ /** * @param {HTMLElement} el * @returns Bounds */function getBoundsByElement(t){const e=t.getBoundingClientRect();return{x:e.left,y:e.top,w:e.width}} /** * @param {HTMLElement} el * @param {number} imageWidth * @param {number} imageHeight * @returns Bounds */function getCroppedBoundsByElement(t,e,i){const s=t.getBoundingClientRect();const n=s.width/e;const o=s.height/i;const a=n>o?n:o;const r=(s.width-e*a)/2;const h=(s.height-i*a)/2; /** * Coordinates of the image, * as if it was not cropped, * height is calculated automatically * * @type {Bounds} */const l={x:s.left+r,y:s.top+h,w:e*a};l.innerRect={w:s.width,h:s.height,x:r,y:h};return l} /** * Get dimensions of thumbnail image * (click on which opens photoswipe or closes photoswipe to) * * @param {number} index * @param {SlideData} itemData * @param {PhotoSwipe} instance PhotoSwipe instance * @returns {Bounds | undefined} */function getThumbBounds(t,e,i){const s=i.dispatch("thumbBounds",{index:t,itemData:e,instance:i});if(s.thumbBounds)return s.thumbBounds;const{element:n}=e; /** @type {Bounds | undefined} */let o; /** @type {HTMLElement | null | undefined} */let a;if(n&&i.options.thumbSelector!==false){const t=i.options.thumbSelector||"img";a=n.matches(t)?n: /** @type {HTMLElement | null} */ n.querySelector(t)}a=i.applyFilters("thumbEl",a,e,t);a&&(o=e.thumbCropped?getCroppedBoundsByElement(a,e.width||e.w||0,e.height||e.h||0):getBoundsByElement(a));return i.applyFilters("thumbBounds",o,e,t)} /** @typedef {import('../lightbox/lightbox.js').default} PhotoSwipeLightbox */ /** @typedef {import('../photoswipe.js').default} PhotoSwipe */ /** @typedef {import('../photoswipe.js').PhotoSwipeOptions} PhotoSwipeOptions */ /** @typedef {import('../photoswipe.js').DataSource} DataSource */ /** @typedef {import('../ui/ui-element.js').UIElementData} UIElementData */ /** @typedef {import('../slide/content.js').default} ContentDefault */ /** @typedef {import('../slide/slide.js').default} Slide */ /** @typedef {import('../slide/slide.js').SlideData} SlideData */ /** @typedef {import('../slide/zoom-level.js').default} ZoomLevel */ /** @typedef {import('../slide/get-thumb-bounds.js').Bounds} Bounds */ /** * Allow adding an arbitrary props to the Content * https://photoswipe.com/custom-content/#using-webp-image-format * @typedef {ContentDefault & Record} Content */ /** @typedef {{ x?: number; y?: number }} Point */ /** * @typedef {Object} PhotoSwipeEventsMap https://photoswipe.com/events/ * * * https://photoswipe.com/adding-ui-elements/ * * @prop {undefined} uiRegister * @prop {{ data: UIElementData }} uiElementCreate * * * https://photoswipe.com/events/#initialization-events * * @prop {undefined} beforeOpen * @prop {undefined} firstUpdate * @prop {undefined} initialLayout * @prop {undefined} change * @prop {undefined} afterInit * @prop {undefined} bindEvents * * * https://photoswipe.com/events/#opening-or-closing-transition-events * * @prop {undefined} openingAnimationStart * @prop {undefined} openingAnimationEnd * @prop {undefined} closingAnimationStart * @prop {undefined} closingAnimationEnd * * * https://photoswipe.com/events/#closing-events * * @prop {undefined} close * @prop {undefined} destroy * * * https://photoswipe.com/events/#pointer-and-gesture-events * * @prop {{ originalEvent: PointerEvent }} pointerDown * @prop {{ originalEvent: PointerEvent }} pointerMove * @prop {{ originalEvent: PointerEvent }} pointerUp * @prop {{ bgOpacity: number }} pinchClose can be default prevented * @prop {{ panY: number }} verticalDrag can be default prevented * * * https://photoswipe.com/events/#slide-content-events * * @prop {{ content: Content }} contentInit * @prop {{ content: Content; isLazy: boolean }} contentLoad can be default prevented * @prop {{ content: Content; isLazy: boolean }} contentLoadImage can be default prevented * @prop {{ content: Content; slide: Slide; isError?: boolean }} loadComplete * @prop {{ content: Content; slide: Slide }} loadError * @prop {{ content: Content; width: number; height: number }} contentResize can be default prevented * @prop {{ content: Content; width: number; height: number; slide: Slide }} imageSizeChange * @prop {{ content: Content }} contentLazyLoad can be default prevented * @prop {{ content: Content }} contentAppend can be default prevented * @prop {{ content: Content }} contentActivate can be default prevented * @prop {{ content: Content }} contentDeactivate can be default prevented * @prop {{ content: Content }} contentRemove can be default prevented * @prop {{ content: Content }} contentDestroy can be default prevented * * * undocumented * * @prop {{ point: Point; originalEvent: PointerEvent }} imageClickAction can be default prevented * @prop {{ point: Point; originalEvent: PointerEvent }} bgClickAction can be default prevented * @prop {{ point: Point; originalEvent: PointerEvent }} tapAction can be default prevented * @prop {{ point: Point; originalEvent: PointerEvent }} doubleTapAction can be default prevented * * @prop {{ originalEvent: KeyboardEvent }} keydown can be default prevented * @prop {{ x: number; dragging: boolean }} moveMainScroll * @prop {{ slide: Slide }} firstZoomPan * @prop {{ slide: Slide | undefined, data: SlideData, index: number }} gettingData * @prop {undefined} beforeResize * @prop {undefined} resize * @prop {undefined} viewportSize * @prop {undefined} updateScrollOffset * @prop {{ slide: Slide }} slideInit * @prop {{ slide: Slide }} afterSetContent * @prop {{ slide: Slide }} slideLoad * @prop {{ slide: Slide }} appendHeavy can be default prevented * @prop {{ slide: Slide }} appendHeavyContent * @prop {{ slide: Slide }} slideActivate * @prop {{ slide: Slide }} slideDeactivate * @prop {{ slide: Slide }} slideDestroy * @prop {{ destZoomLevel: number, centerPoint: Point | undefined, transitionDuration: number | false | undefined }} beforeZoomTo * @prop {{ slide: Slide }} zoomPanUpdate * @prop {{ slide: Slide }} initialZoomPan * @prop {{ slide: Slide }} calcSlideSize * @prop {undefined} resolutionChanged * @prop {{ originalEvent: WheelEvent }} wheel can be default prevented * @prop {{ content: Content }} contentAppendImage can be default prevented * @prop {{ index: number; itemData: SlideData }} lazyLoadSlide can be default prevented * @prop {undefined} lazyLoad * @prop {{ slide: Slide }} calcBounds * @prop {{ zoomLevels: ZoomLevel, slideData: SlideData }} zoomLevelsUpdate * * * legacy * * @prop {undefined} init * @prop {undefined} initialZoomIn * @prop {undefined} initialZoomOut * @prop {undefined} initialZoomInEnd * @prop {undefined} initialZoomOutEnd * @prop {{ dataSource: DataSource | undefined, numItems: number }} numItems * @prop {{ itemData: SlideData; index: number }} itemData * @prop {{ index: number, itemData: SlideData, instance: PhotoSwipe }} thumbBounds */ /** * @typedef {Object} PhotoSwipeFiltersMap https://photoswipe.com/filters/ * * @prop {(numItems: number, dataSource: DataSource | undefined) => number} numItems * Modify the total amount of slides. Example on Data sources page. * https://photoswipe.com/filters/#numitems * * @prop {(itemData: SlideData, index: number) => SlideData} itemData * Modify slide item data. Example on Data sources page. * https://photoswipe.com/filters/#itemdata * * @prop {(itemData: SlideData, element: HTMLElement, linkEl: HTMLAnchorElement) => SlideData} domItemData * Modify item data when it's parsed from DOM element. Example on Data sources page. * https://photoswipe.com/filters/#domitemdata * * @prop {(clickedIndex: number, e: MouseEvent, instance: PhotoSwipeLightbox) => number} clickedIndex * Modify clicked gallery item index. * https://photoswipe.com/filters/#clickedindex * * @prop {(placeholderSrc: string | false, content: Content) => string | false} placeholderSrc * Modify placeholder image source. * https://photoswipe.com/filters/#placeholdersrc * * @prop {(isContentLoading: boolean, content: Content) => boolean} isContentLoading * Modify if the content is currently loading. * https://photoswipe.com/filters/#iscontentloading * * @prop {(isContentZoomable: boolean, content: Content) => boolean} isContentZoomable * Modify if the content can be zoomed. * https://photoswipe.com/filters/#iscontentzoomable * * @prop {(useContentPlaceholder: boolean, content: Content) => boolean} useContentPlaceholder * Modify if the placeholder should be used for the content. * https://photoswipe.com/filters/#usecontentplaceholder * * @prop {(isKeepingPlaceholder: boolean, content: Content) => boolean} isKeepingPlaceholder * Modify if the placeholder should be kept after the content is loaded. * https://photoswipe.com/filters/#iskeepingplaceholder * * * @prop {(contentErrorElement: HTMLElement, content: Content) => HTMLElement} contentErrorElement * Modify an element when the content has error state (for example, if image cannot be loaded). * https://photoswipe.com/filters/#contenterrorelement * * @prop {(element: HTMLElement, data: UIElementData) => HTMLElement} uiElement * Modify a UI element that's being created. * https://photoswipe.com/filters/#uielement * * @prop {(thumbnail: HTMLElement | null | undefined, itemData: SlideData, index: number) => HTMLElement} thumbEl * Modify the thumbnail element from which opening zoom animation starts or ends. * https://photoswipe.com/filters/#thumbel * * @prop {(thumbBounds: Bounds | undefined, itemData: SlideData, index: number) => Bounds} thumbBounds * Modify the thumbnail bounds from which opening zoom animation starts or ends. * https://photoswipe.com/filters/#thumbbounds * * @prop {(srcsetSizesWidth: number, content: Content) => number} srcsetSizesWidth * * @prop {(preventPointerEvent: boolean, event: PointerEvent, pointerType: string) => boolean} preventPointerEvent * */ /** * @template {keyof PhotoSwipeFiltersMap} T * @typedef {{ fn: PhotoSwipeFiltersMap[T], priority: number }} Filter */ /** * @template {keyof PhotoSwipeEventsMap} T * @typedef {PhotoSwipeEventsMap[T] extends undefined ? PhotoSwipeEvent : PhotoSwipeEvent & PhotoSwipeEventsMap[T]} AugmentedEvent */ /** * @template {keyof PhotoSwipeEventsMap} T * @typedef {(event: AugmentedEvent) => void} EventCallback */ /** * Base PhotoSwipe event object * * @template {keyof PhotoSwipeEventsMap} T */class PhotoSwipeEvent{ /** * @param {T} type * @param {PhotoSwipeEventsMap[T]} [details] */ constructor(t,e){this.type=t;this.defaultPrevented=false;e&&Object.assign(this,e)}preventDefault(){this.defaultPrevented=true}}class Eventable{constructor(){ /** * @type {{ [T in keyof PhotoSwipeEventsMap]?: ((event: AugmentedEvent) => void)[] }} */ this._listeners={}; /** * @type {{ [T in keyof PhotoSwipeFiltersMap]?: Filter[] }} */this._filters={}; /** @type {PhotoSwipe | undefined} */this.pswp=void 0; /** @type {PhotoSwipeOptions | undefined} */this.options=void 0} /** * @template {keyof PhotoSwipeFiltersMap} T * @param {T} name * @param {PhotoSwipeFiltersMap[T]} fn * @param {number} priority */addFilter(t,e,i=100){var s,n,o;this._filters[t]||(this._filters[t]=[]);(s=this._filters[t])===null||s===void 0||s.push({fn:e,priority:i});(n=this._filters[t])===null||n===void 0||n.sort(((t,e)=>t.priority-e.priority));(o=this.pswp)===null||o===void 0||o.addFilter(t,e,i)} /** * @template {keyof PhotoSwipeFiltersMap} T * @param {T} name * @param {PhotoSwipeFiltersMap[T]} fn */removeFilter(t,e){this._filters[t]&&(this._filters[t]=this._filters[t].filter((t=>t.fn!==e)));this.pswp&&this.pswp.removeFilter(t,e)} /** * @template {keyof PhotoSwipeFiltersMap} T * @param {T} name * @param {Parameters} args * @returns {Parameters[0]} */applyFilters(t,...e){var i;(i=this._filters[t])===null||i===void 0||i.forEach((t=>{e[0]=t.fn.apply(this,e)}));return e[0]} /** * @template {keyof PhotoSwipeEventsMap} T * @param {T} name * @param {EventCallback} fn */on(t,e){var i,s;this._listeners[t]||(this._listeners[t]=[]);(i=this._listeners[t])===null||i===void 0||i.push(e);(s=this.pswp)===null||s===void 0||s.on(t,e)} /** * @template {keyof PhotoSwipeEventsMap} T * @param {T} name * @param {EventCallback} fn */off(t,e){var i;this._listeners[t]&&(this._listeners[t]=this._listeners[t].filter((t=>e!==t)));(i=this.pswp)===null||i===void 0||i.off(t,e)} /** * @template {keyof PhotoSwipeEventsMap} T * @param {T} name * @param {PhotoSwipeEventsMap[T]} [details] * @returns {AugmentedEvent} */dispatch(t,e){var i;if(this.pswp)return this.pswp.dispatch(t,e);const s= /** @type {AugmentedEvent} */ new PhotoSwipeEvent(t,e);(i=this._listeners[t])===null||i===void 0||i.forEach((t=>{t.call(this,s)}));return s}}class Placeholder{ /** * @param {string | false} imageSrc * @param {HTMLElement} container */ constructor(t,e){ /** @type {HTMLImageElement | HTMLDivElement | null} */ this.element=createElement("pswp__img pswp__img--placeholder",t?"img":"div",e);if(t){const e= /** @type {HTMLImageElement} */ this.element;e.decoding="async";e.alt="";e.src=t;e.setAttribute("role","presentation")}this.element.setAttribute("aria-hidden","true")} /** * @param {number} width * @param {number} height */setDisplayedSize(t,e){if(this.element)if(this.element.tagName==="IMG"){setWidthHeight(this.element,250,"auto");this.element.style.transformOrigin="0 0";this.element.style.transform=toTransformString(0,0,t/250)}else setWidthHeight(this.element,t,e)}destroy(){var t;(t=this.element)!==null&&t!==void 0&&t.parentNode&&this.element.remove();this.element=null}} /** @typedef {import('./slide.js').default} Slide */ /** @typedef {import('./slide.js').SlideData} SlideData */ /** @typedef {import('../core/base.js').default} PhotoSwipeBase */ /** @typedef {import('../util/util.js').LoadState} LoadState */class Content{ /** * @param {SlideData} itemData Slide data * @param {PhotoSwipeBase} instance PhotoSwipe or PhotoSwipeLightbox instance * @param {number} index */ constructor(t,i,s){this.instance=i;this.data=t;this.index=s; /** @type {HTMLImageElement | HTMLDivElement | undefined} */this.element=void 0; /** @type {Placeholder | undefined} */this.placeholder=void 0; /** @type {Slide | undefined} */this.slide=void 0;this.displayedImageWidth=0;this.displayedImageHeight=0;this.width=Number(this.data.w)||Number(this.data.width)||0;this.height=Number(this.data.h)||Number(this.data.height)||0;this.isAttached=false;this.hasSlide=false;this.isDecoding=false; /** @type {LoadState} */this.state=e.IDLE;this.data.type?this.type=this.data.type:this.data.src?this.type="image":this.type="html";this.instance.dispatch("contentInit",{content:this})}removePlaceholder(){this.placeholder&&!this.keepPlaceholder()&&setTimeout((()=>{if(this.placeholder){this.placeholder.destroy();this.placeholder=void 0}}),1e3)} /** * Preload content * * @param {boolean} isLazy * @param {boolean} [reload] */load(t,e){if(this.slide&&this.usePlaceholder())if(this.placeholder){const t=this.placeholder.element;t&&!t.parentElement&&this.slide.container.prepend(t)}else{const t=this.instance.applyFilters("placeholderSrc",!(!this.data.msrc||!this.slide.isFirstSlide)&&this.data.msrc,this);this.placeholder=new Placeholder(t,this.slide.container)}if((!this.element||e)&&!this.instance.dispatch("contentLoad",{content:this,isLazy:t}).defaultPrevented){if(this.isImageContent()){this.element=createElement("pswp__img","img");this.displayedImageWidth&&this.loadImage(t)}else{this.element=createElement("pswp__content","div");this.element.innerHTML=this.data.html||""}e&&this.slide&&this.slide.updateContentSize(true)}} /** * Preload image * * @param {boolean} isLazy */loadImage(t){var i,s;if(!this.isImageContent()||!this.element||this.instance.dispatch("contentLoadImage",{content:this,isLazy:t}).defaultPrevented)return;const n= /** @type HTMLImageElement */ this.element;this.updateSrcsetSizes();this.data.srcset&&(n.srcset=this.data.srcset);n.src=(i=this.data.src)!==null&&i!==void 0?i:"";n.alt=(s=this.data.alt)!==null&&s!==void 0?s:"";this.state=e.LOADING;if(n.complete)this.onLoaded();else{n.onload=()=>{this.onLoaded()};n.onerror=()=>{this.onError()}}} /** * Assign slide to content * * @param {Slide} slide */setSlide(t){this.slide=t;this.hasSlide=true;this.instance=t.pswp}onLoaded(){this.state=e.LOADED;if(this.slide&&this.element){this.instance.dispatch("loadComplete",{slide:this.slide,content:this});if(this.slide.isActive&&this.slide.heavyAppended&&!this.element.parentNode){this.append();this.slide.updateContentSize(true)}this.state!==e.LOADED&&this.state!==e.ERROR||this.removePlaceholder()}}onError(){this.state=e.ERROR;if(this.slide){this.displayError();this.instance.dispatch("loadComplete",{slide:this.slide,isError:true,content:this});this.instance.dispatch("loadError",{slide:this.slide,content:this})}} /** * @returns {Boolean} If the content is currently loading */isLoading(){return this.instance.applyFilters("isContentLoading",this.state===e.LOADING,this)} /** * @returns {Boolean} If the content is in error state */isError(){return this.state===e.ERROR} /** * @returns {boolean} If the content is image */isImageContent(){return this.type==="image"} /** * Update content size * * @param {Number} width * @param {Number} height */setDisplayedSize(t,e){if(this.element){this.placeholder&&this.placeholder.setDisplayedSize(t,e);if(!this.instance.dispatch("contentResize",{content:this,width:t,height:e}).defaultPrevented){setWidthHeight(this.element,t,e);if(this.isImageContent()&&!this.isError()){const i=!this.displayedImageWidth&&t;this.displayedImageWidth=t;this.displayedImageHeight=e;i?this.loadImage(false):this.updateSrcsetSizes();this.slide&&this.instance.dispatch("imageSizeChange",{slide:this.slide,width:t,height:e,content:this})}}}} /** * @returns {boolean} If the content can be zoomed */isZoomable(){return this.instance.applyFilters("isContentZoomable",this.isImageContent()&&this.state!==e.ERROR,this)}updateSrcsetSizes(){if(!this.isImageContent()||!this.element||!this.data.srcset)return;const t= /** @type HTMLImageElement */ this.element;const e=this.instance.applyFilters("srcsetSizesWidth",this.displayedImageWidth,this);if(!t.dataset.largestUsedSize||e>parseInt(t.dataset.largestUsedSize,10)){t.sizes=e+"px";t.dataset.largestUsedSize=String(e)}} /** * @returns {boolean} If content should use a placeholder (from msrc by default) */usePlaceholder(){return this.instance.applyFilters("useContentPlaceholder",this.isImageContent(),this)}lazyLoad(){this.instance.dispatch("contentLazyLoad",{content:this}).defaultPrevented||this.load(true)} /** * @returns {boolean} If placeholder should be kept after content is loaded */keepPlaceholder(){return this.instance.applyFilters("isKeepingPlaceholder",this.isLoading(),this)}destroy(){this.hasSlide=false;this.slide=void 0;if(!this.instance.dispatch("contentDestroy",{content:this}).defaultPrevented){this.remove();if(this.placeholder){this.placeholder.destroy();this.placeholder=void 0}if(this.isImageContent()&&this.element){this.element.onload=null;this.element.onerror=null;this.element=void 0}}}displayError(){if(this.slide){var t,e;let i=createElement("pswp__error-msg","div");i.innerText=(t=(e=this.instance.options)===null||e===void 0?void 0:e.errorMsg)!==null&&t!==void 0?t:"";i= /** @type {HTMLDivElement} */ this.instance.applyFilters("contentErrorElement",i,this);this.element=createElement("pswp__content pswp__error-msg-container","div");this.element.appendChild(i);this.slide.container.innerText="";this.slide.container.appendChild(this.element);this.slide.updateContentSize(true);this.removePlaceholder()}}append(){if(this.isAttached||!this.element)return;this.isAttached=true;if(this.state===e.ERROR){this.displayError();return}if(this.instance.dispatch("contentAppend",{content:this}).defaultPrevented)return;const t="decode"in this.element;if(this.isImageContent())if(t&&this.slide&&(!this.slide.isActive||isSafari())){this.isDecoding=true; /** @type {HTMLImageElement} */this.element.decode().catch((()=>{})).finally((()=>{this.isDecoding=false;this.appendImage()}))}else this.appendImage();else this.slide&&!this.element.parentNode&&this.slide.container.appendChild(this.element)}activate(){if(!this.instance.dispatch("contentActivate",{content:this}).defaultPrevented&&this.slide){this.isImageContent()&&this.isDecoding&&!isSafari()?this.appendImage():this.isError()&&this.load(false,true);this.slide.holderElement&&this.slide.holderElement.setAttribute("aria-hidden","false")}}deactivate(){this.instance.dispatch("contentDeactivate",{content:this});this.slide&&this.slide.holderElement&&this.slide.holderElement.setAttribute("aria-hidden","true")}remove(){this.isAttached=false;if(!this.instance.dispatch("contentRemove",{content:this}).defaultPrevented){this.element&&this.element.parentNode&&this.element.remove();this.placeholder&&this.placeholder.element&&this.placeholder.element.remove()}}appendImage(){if(this.isAttached&&!this.instance.dispatch("contentAppendImage",{content:this}).defaultPrevented){this.slide&&this.element&&!this.element.parentNode&&this.slide.container.appendChild(this.element);this.state!==e.LOADED&&this.state!==e.ERROR||this.removePlaceholder()}}} /** @typedef {import('./content.js').default} Content */ /** @typedef {import('./slide.js').default} Slide */ /** @typedef {import('./slide.js').SlideData} SlideData */ /** @typedef {import('../core/base.js').default} PhotoSwipeBase */ /** @typedef {import('../photoswipe.js').default} PhotoSwipe */const z=5; /** * Lazy-load an image * This function is used both by Lightbox and PhotoSwipe core, * thus it can be called before dialog is opened. * * @param {SlideData} itemData Data about the slide * @param {PhotoSwipeBase} instance PhotoSwipe or PhotoSwipeLightbox instance * @param {number} index * @returns {Content} Image that is being decoded or false. */function lazyLoadData(t,e,i){const s=e.createContentFromData(t,i); /** @type {ZoomLevel | undefined} */let n;const{options:o}=e;if(o){n=new ZoomLevel(o,t,-1);let a;a=e.pswp?e.pswp.viewportSize:getViewportSize(o,e);const r=getPanAreaSize(o,a,t,i);n.update(s.width,s.height,r)}s.lazyLoad();n&&s.setDisplayedSize(Math.ceil(s.width*n.initial),Math.ceil(s.height*n.initial));return s} /** * Lazy-loads specific slide. * This function is used both by Lightbox and PhotoSwipe core, * thus it can be called before dialog is opened. * * By default, it loads image based on viewport size and initial zoom level. * * @param {number} index Slide index * @param {PhotoSwipeBase} instance PhotoSwipe or PhotoSwipeLightbox eventable instance * @returns {Content | undefined} */function lazyLoadSlide(t,e){const i=e.getItemData(t);if(!e.dispatch("lazyLoadSlide",{index:t,itemData:i}).defaultPrevented)return lazyLoadData(i,e,t)}class ContentLoader{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;this.limit=Math.max(t.options.preload[0]+t.options.preload[1]+1,z); /** @type {Content[]} */this._cachedItems=[]} /** * Lazy load nearby slides based on `preload` option. * * @param {number} [diff] Difference between slide indexes that was changed recently, or 0. */updateLazy(t){const{pswp:e}=this;if(e.dispatch("lazyLoad").defaultPrevented)return;const{preload:i}=e.options;const s=t===void 0||t>=0;let n;for(n=0;n<=i[1];n++)this.loadSlideByIndex(e.currIndex+(s?n:-n));for(n=1;n<=i[0];n++)this.loadSlideByIndex(e.currIndex+(s?-n:n))} /** * @param {number} initialIndex */loadSlideByIndex(t){const e=this.pswp.getLoopedIndex(t);let i=this.getContentByIndex(e);if(!i){i=lazyLoadSlide(e,this.pswp);i&&this.addToCache(i)}} /** * @param {Slide} slide * @returns {Content} */getContentBySlide(t){let e=this.getContentByIndex(t.index);if(!e){e=this.pswp.createContentFromData(t.data,t.index);this.addToCache(e)}e.setSlide(t);return e} /** * @param {Content} content */addToCache(t){this.removeByIndex(t.index);this._cachedItems.push(t);if(this._cachedItems.length>this.limit){const t=this._cachedItems.findIndex((t=>!t.isAttached&&!t.hasSlide));if(t!==-1){const e=this._cachedItems.splice(t,1)[0];e.destroy()}}} /** * Removes an image from cache, does not destroy() it, just removes. * * @param {number} index */removeByIndex(t){const e=this._cachedItems.findIndex((e=>e.index===t));e!==-1&&this._cachedItems.splice(e,1)} /** * @param {number} index * @returns {Content | undefined} */getContentByIndex(t){return this._cachedItems.find((e=>e.index===t))}destroy(){this._cachedItems.forEach((t=>t.destroy()));this._cachedItems=[]}} /** @typedef {import("../photoswipe.js").default} PhotoSwipe */ /** @typedef {import("../slide/slide.js").SlideData} SlideData */class PhotoSwipeBase extends Eventable{ /** * Get total number of slides * * @returns {number} */ getNumItems(){var t;let e=0;const i=(t=this.options)===null||t===void 0?void 0:t.dataSource;if(i&&"length"in i)e=i.length;else if(i&&"gallery"in i){i.items||(i.items=this._getGalleryDOMElements(i.gallery));i.items&&(e=i.items.length)}const s=this.dispatch("numItems",{dataSource:i,numItems:e});return this.applyFilters("numItems",s.numItems,i)} /** * @param {SlideData} slideData * @param {number} index * @returns {Content} */createContentFromData(t,e){return new Content(t,this,e)} /** * Get item data by index. * * "item data" should contain normalized information that PhotoSwipe needs to generate a slide. * For example, it may contain properties like * `src`, `srcset`, `w`, `h`, which will be used to generate a slide with image. * * @param {number} index * @returns {SlideData} */getItemData(t){var e;const i=(e=this.options)===null||e===void 0?void 0:e.dataSource; /** @type {SlideData | HTMLElement} */let s={};if(Array.isArray(i))s=i[t];else if(i&&"gallery"in i){i.items||(i.items=this._getGalleryDOMElements(i.gallery));s=i.items[t]}let n=s;n instanceof Element&&(n=this._domElementToItemData(n));const o=this.dispatch("itemData",{itemData:n||{},index:t});return this.applyFilters("itemData",o.itemData,t)} /** * Get array of gallery DOM elements, * based on childSelector and gallery element. * * @param {HTMLElement} galleryElement * @returns {HTMLElement[]} */_getGalleryDOMElements(t){var e,i;return(e=this.options)!==null&&e!==void 0&&e.children||(i=this.options)!==null&&i!==void 0&&i.childSelector?getElementsFromOption(this.options.children,this.options.childSelector,t)||[]:[t]} /** * Converts DOM element to item data object. * * @param {HTMLElement} element DOM element * @returns {SlideData} */_domElementToItemData(t){ /** @type {SlideData} */ const e={element:t};const i= /** @type {HTMLAnchorElement} */ t.tagName==="A"?t:t.querySelector("a");if(i){e.src=i.dataset.pswpSrc||i.href;i.dataset.pswpSrcset&&(e.srcset=i.dataset.pswpSrcset);e.width=i.dataset.pswpWidth?parseInt(i.dataset.pswpWidth,10):0;e.height=i.dataset.pswpHeight?parseInt(i.dataset.pswpHeight,10):0;e.w=e.width;e.h=e.height;i.dataset.pswpType&&(e.type=i.dataset.pswpType);const n=t.querySelector("img");if(n){var s;e.msrc=n.currentSrc||n.src;e.alt=(s=n.getAttribute("alt"))!==null&&s!==void 0?s:""}(i.dataset.pswpCropped||i.dataset.cropped)&&(e.thumbCropped=true)}return this.applyFilters("domItemData",e,t,i)} /** * Lazy-load by slide data * * @param {SlideData} itemData Data about the slide * @param {number} index * @returns {Content} Image that is being decoded or false. */lazyLoadData(t,e){return lazyLoadData(t,this,e)}} /** @typedef {import('./photoswipe.js').default} PhotoSwipe */ /** @typedef {import('./slide/get-thumb-bounds.js').Bounds} Bounds */ /** @typedef {import('./util/animations.js').AnimationProps} AnimationProps */const b=.003;class Opener{ /** * @param {PhotoSwipe} pswp */ constructor(t){this.pswp=t;this.isClosed=true;this.isOpen=false;this.isClosing=false;this.isOpening=false; /** * @private * @type {number | false | undefined} */this._duration=void 0;this._useAnimation=false;this._croppedZoom=false;this._animateRootOpacity=false;this._animateBgOpacity=false; /** * @private * @type { HTMLDivElement | HTMLImageElement | null | undefined } */this._placeholder=void 0; /** * @private * @type { HTMLDivElement | undefined } */this._opacityElement=void 0; /** * @private * @type { HTMLDivElement | undefined } */this._cropContainer1=void 0; /** * @private * @type { HTMLElement | null | undefined } */this._cropContainer2=void 0; /** * @private * @type {Bounds | undefined} */this._thumbBounds=void 0;this._prepareOpen=this._prepareOpen.bind(this);t.on("firstZoomPan",this._prepareOpen)}open(){this._prepareOpen();this._start()}close(){if(this.isClosed||this.isClosing||this.isOpening)return;const t=this.pswp.currSlide;this.isOpen=false;this.isOpening=false;this.isClosing=true;this._duration=this.pswp.options.hideAnimationDuration;t&&t.currZoomLevel*t.width>=this.pswp.options.maxWidthToAnimate&&(this._duration=0);this._applyStartProps();setTimeout((()=>{this._start()}),this._croppedZoom?30:0)}_prepareOpen(){this.pswp.off("firstZoomPan",this._prepareOpen);if(!this.isOpening){const t=this.pswp.currSlide;this.isOpening=true;this.isClosing=false;this._duration=this.pswp.options.showAnimationDuration;t&&t.zoomLevels.initial*t.width>=this.pswp.options.maxWidthToAnimate&&(this._duration=0);this._applyStartProps()}}_applyStartProps(){const{pswp:t}=this;const e=this.pswp.currSlide;const{options:i}=t;if(i.showHideAnimationType==="fade"){i.showHideOpacity=true;this._thumbBounds=void 0}else if(i.showHideAnimationType==="none"){i.showHideOpacity=false;this._duration=0;this._thumbBounds=void 0}else this.isOpening&&t._initialThumbBounds?this._thumbBounds=t._initialThumbBounds:this._thumbBounds=this.pswp.getThumbBounds();this._placeholder=e===null||e===void 0?void 0:e.getPlaceholderElement();t.animations.stopAll();this._useAnimation=Boolean(this._duration&&this._duration>50);this._animateZoom=Boolean(this._thumbBounds)&&(e===null||e===void 0?void 0:e.content.usePlaceholder())&&(!this.isClosing||!t.mainScroll.isShifted());if(this._animateZoom){var s;this._animateRootOpacity=(s=i.showHideOpacity)!==null&&s!==void 0&&s}else{this._animateRootOpacity=true;if(this.isOpening&&e){e.zoomAndPanToInitial();e.applyCurrentZoomPan()}}this._animateBgOpacity=!this._animateRootOpacity&&this.pswp.options.bgOpacity>b;this._opacityElement=this._animateRootOpacity?t.element:t.bg;if(this._useAnimation){if(this._animateZoom&&this._thumbBounds&&this._thumbBounds.innerRect){var n;this._croppedZoom=true;this._cropContainer1=this.pswp.container;this._cropContainer2=(n=this.pswp.currSlide)===null||n===void 0?void 0:n.holderElement;if(t.container){t.container.style.overflow="hidden";t.container.style.width=t.viewportSize.x+"px"}}else this._croppedZoom=false;if(this.isOpening){if(this._animateRootOpacity){t.element&&(t.element.style.opacity=String(b));t.applyBgOpacity(1)}else{this._animateBgOpacity&&t.bg&&(t.bg.style.opacity=String(b));t.element&&(t.element.style.opacity="1")}if(this._animateZoom){this._setClosedStateZoomPan();if(this._placeholder){this._placeholder.style.willChange="transform";this._placeholder.style.opacity=String(b)}}}else if(this.isClosing){t.mainScroll.itemHolders[0]&&(t.mainScroll.itemHolders[0].el.style.display="none");t.mainScroll.itemHolders[2]&&(t.mainScroll.itemHolders[2].el.style.display="none");if(this._croppedZoom&&t.mainScroll.x!==0){t.mainScroll.resetPosition();t.mainScroll.resize()}}}else{this._duration=0;this._animateZoom=false;this._animateBgOpacity=false;this._animateRootOpacity=true;if(this.isOpening){t.element&&(t.element.style.opacity=String(b));t.applyBgOpacity(1)}}}_start(){this.isOpening&&this._useAnimation&&this._placeholder&&this._placeholder.tagName==="IMG"?new Promise((t=>{let e=false;let i=true;decodeImage( /** @type {HTMLImageElement} */ this._placeholder).finally((()=>{e=true;i||t(true)}));setTimeout((()=>{i=false;e&&t(true)}),50);setTimeout(t,250)})).finally((()=>this._initiate())):this._initiate()}_initiate(){var t,e;(t=this.pswp.element)===null||t===void 0||t.style.setProperty("--pswp-transition-duration",this._duration+"ms");this.pswp.dispatch(this.isOpening?"openingAnimationStart":"closingAnimationStart");this.pswp.dispatch( /** @type {'initialZoomIn' | 'initialZoomOut'} */ "initialZoom"+(this.isOpening?"In":"Out"));(e=this.pswp.element)===null||e===void 0||e.classList.toggle("pswp--ui-visible",this.isOpening);if(this.isOpening){this._placeholder&&(this._placeholder.style.opacity="1");this._animateToOpenState()}else this.isClosing&&this._animateToClosedState();this._useAnimation||this._onAnimationComplete()}_onAnimationComplete(){const{pswp:t}=this;this.isOpen=this.isOpening;this.isClosed=this.isClosing;this.isOpening=false;this.isClosing=false;t.dispatch(this.isOpen?"openingAnimationEnd":"closingAnimationEnd");t.dispatch( /** @type {'initialZoomInEnd' | 'initialZoomOutEnd'} */ "initialZoom"+(this.isOpen?"InEnd":"OutEnd"));if(this.isClosed)t.destroy();else if(this.isOpen){var e;if(this._animateZoom&&t.container){t.container.style.overflow="visible";t.container.style.width="100%"}(e=t.currSlide)===null||e===void 0||e.applyCurrentZoomPan()}}_animateToOpenState(){const{pswp:t}=this;if(this._animateZoom){if(this._croppedZoom&&this._cropContainer1&&this._cropContainer2){this._animateTo(this._cropContainer1,"transform","translate3d(0,0,0)");this._animateTo(this._cropContainer2,"transform","none")}if(t.currSlide){t.currSlide.zoomAndPanToInitial();this._animateTo(t.currSlide.container,"transform",t.currSlide.getCurrentTransform())}}this._animateBgOpacity&&t.bg&&this._animateTo(t.bg,"opacity",String(t.options.bgOpacity));this._animateRootOpacity&&t.element&&this._animateTo(t.element,"opacity","1")}_animateToClosedState(){const{pswp:t}=this;this._animateZoom&&this._setClosedStateZoomPan(true);this._animateBgOpacity&&t.bgOpacity>.01&&t.bg&&this._animateTo(t.bg,"opacity","0");this._animateRootOpacity&&t.element&&this._animateTo(t.element,"opacity","0")} /** * @private * @param {boolean} [animate] */_setClosedStateZoomPan(t){if(!this._thumbBounds)return;const{pswp:e}=this;const{innerRect:i}=this._thumbBounds;const{currSlide:s,viewportSize:n}=e;if(this._croppedZoom&&i&&this._cropContainer1&&this._cropContainer2){const e=-n.x+(this._thumbBounds.x-i.x)+i.w;const s=-n.y+(this._thumbBounds.y-i.y)+i.h;const o=n.x-i.w;const a=n.y-i.h;if(t){this._animateTo(this._cropContainer1,"transform",toTransformString(e,s));this._animateTo(this._cropContainer2,"transform",toTransformString(o,a))}else{setTransform(this._cropContainer1,e,s);setTransform(this._cropContainer2,o,a)}}if(s){equalizePoints(s.pan,i||this._thumbBounds);s.currZoomLevel=this._thumbBounds.w/s.width;t?this._animateTo(s.container,"transform",s.getCurrentTransform()):s.applyCurrentZoomPan()}} /** * @private * @param {HTMLElement} target * @param {'transform' | 'opacity'} prop * @param {string} propValue */_animateTo(t,e,i){if(!this._duration){t.style[e]=i;return}const{animations:s}=this.pswp; /** @type {AnimationProps} */const n={duration:this._duration,easing:this.pswp.options.easing,onComplete:()=>{s.activeAnimations.length||this._onAnimationComplete()},target:t};n[e]=i;s.startTransition(n)}} /** * @template T * @typedef {import('./types.js').Type} Type */ /** @typedef {import('./slide/slide.js').SlideData} SlideData */ /** @typedef {import('./slide/zoom-level.js').ZoomLevelOption} ZoomLevelOption */ /** @typedef {import('./ui/ui-element.js').UIElementData} UIElementData */ /** @typedef {import('./main-scroll.js').ItemHolder} ItemHolder */ /** @typedef {import('./core/eventable.js').PhotoSwipeEventsMap} PhotoSwipeEventsMap */ /** @typedef {import('./core/eventable.js').PhotoSwipeFiltersMap} PhotoSwipeFiltersMap */ /** @typedef {import('./slide/get-thumb-bounds').Bounds} Bounds */ /** * @template {keyof PhotoSwipeEventsMap} T * @typedef {import('./core/eventable.js').EventCallback} EventCallback */ /** * @template {keyof PhotoSwipeEventsMap} T * @typedef {import('./core/eventable.js').AugmentedEvent} AugmentedEvent */ /** @typedef {{ x: number; y: number; id?: string | number }} Point */ /** @typedef {{ top: number; bottom: number; left: number; right: number }} Padding */ /** @typedef {SlideData[]} DataSourceArray */ /** @typedef {{ gallery: HTMLElement; items?: HTMLElement[] }} DataSourceObject */ /** @typedef {DataSourceArray | DataSourceObject} DataSource */ /** @typedef {(point: Point, originalEvent: PointerEvent) => void} ActionFn */ /** @typedef {'close' | 'next' | 'zoom' | 'zoom-or-close' | 'toggle-controls'} ActionType */ /** @typedef {Type | { default: Type }} PhotoSwipeModule */ /** @typedef {PhotoSwipeModule | Promise | (() => Promise)} PhotoSwipeModuleOption */ /** * @typedef {string | NodeListOf | HTMLElement[] | HTMLElement} ElementProvider */ /** @typedef {Partial} PhotoSwipeOptions https://photoswipe.com/options/ */ /** * @typedef {Object} PreparedPhotoSwipeOptions * * @prop {DataSource} [dataSource] * Pass an array of any items via dataSource option. Its length will determine amount of slides * (which may be modified further from numItems event). * * Each item should contain data that you need to generate slide * (for image slide it would be src (image URL), width (image width), height, srcset, alt). * * If these properties are not present in your initial array, you may "pre-parse" each item from itemData filter. * * @prop {number} bgOpacity * Background backdrop opacity, always define it via this option and not via CSS rgba color. * * @prop {number} spacing * Spacing between slides. Defined as ratio relative to the viewport width (0.1 = 10% of viewport). * * @prop {boolean} allowPanToNext * Allow swipe navigation to the next slide when the current slide is zoomed. Does not apply to mouse events. * * @prop {boolean} loop * If set to true you'll be able to swipe from the last to the first image. * Option is always false when there are less than 3 slides. * * @prop {boolean} [wheelToZoom] * By default PhotoSwipe zooms image with ctrl-wheel, if you enable this option - image will zoom just via wheel. * * @prop {boolean} pinchToClose * Pinch touch gesture to close the gallery. * * @prop {boolean} closeOnVerticalDrag * Vertical drag gesture to close the PhotoSwipe. * * @prop {Padding} [padding] * Slide area padding (in pixels). * * @prop {(viewportSize: Point, itemData: SlideData, index: number) => Padding} [paddingFn] * The option is checked frequently, so make sure it's performant. Overrides padding option if defined. For example: * * @prop {number | false} hideAnimationDuration * Transition duration in milliseconds, can be 0. * * @prop {number | false} showAnimationDuration * Transition duration in milliseconds, can be 0. * * @prop {number | false} zoomAnimationDuration * Transition duration in milliseconds, can be 0. * * @prop {string} easing * String, 'cubic-bezier(.4,0,.22,1)'. CSS easing function for open/close/zoom transitions. * * @prop {boolean} escKey * Esc key to close. * * @prop {boolean} arrowKeys * Left/right arrow keys for navigation. * * @prop {boolean} trapFocus * Trap focus within PhotoSwipe element while it's open. * * @prop {boolean} returnFocus * Restore focus the last active element after PhotoSwipe is closed. * * @prop {boolean} clickToCloseNonZoomable * If image is not zoomable (for example, smaller than viewport) it can be closed by clicking on it. * * @prop {ActionType | ActionFn | false} imageClickAction * Refer to click and tap actions page. * * @prop {ActionType | ActionFn | false} bgClickAction * Refer to click and tap actions page. * * @prop {ActionType | ActionFn | false} tapAction * Refer to click and tap actions page. * * @prop {ActionType | ActionFn | false} doubleTapAction * Refer to click and tap actions page. * * @prop {number} preloaderDelay * Delay before the loading indicator will be displayed, * if image is loaded during it - the indicator will not be displayed at all. Can be zero. * * @prop {string} indexIndicatorSep * Used for slide count indicator ("1 of 10 "). * * @prop {(options: PhotoSwipeOptions, pswp: PhotoSwipeBase) => Point} [getViewportSizeFn] * A function that should return slide viewport width and height, in format {x: 100, y: 100}. * * @prop {string} errorMsg * Message to display when the image wasn't able to load. If you need to display HTML - use contentErrorElement filter. * * @prop {[number, number]} preload * Lazy loading of nearby slides based on direction of movement. Should be an array with two integers, * first one - number of items to preload before the current image, second one - after the current image. * Two nearby images are always loaded. * * @prop {string} [mainClass] * Class that will be added to the root element of PhotoSwipe, may contain multiple separated by space. * Example on Styling page. * * @prop {HTMLElement} [appendToEl] * Element to which PhotoSwipe dialog will be appended when it opens. * * @prop {number} maxWidthToAnimate * Maximum width of image to animate, if initial rendered image width * is larger than this value - the opening/closing transition will be automatically disabled. * * @prop {string} [closeTitle] * Translating * * @prop {string} [zoomTitle] * Translating * * @prop {string} [arrowPrevTitle] * Translating * * @prop {string} [arrowNextTitle] * Translating * * @prop {'zoom' | 'fade' | 'none'} [showHideAnimationType] * To adjust opening or closing transition type use lightbox option `showHideAnimationType` (`String`). * It supports three values - `zoom` (default), `fade` (default if there is no thumbnail) and `none`. * * Animations are automatically disabled if user `(prefers-reduced-motion: reduce)`. * * @prop {number} index * Defines start slide index. * * @prop {(e: MouseEvent) => number} [getClickedIndexFn] * * @prop {boolean} [arrowPrev] * @prop {boolean} [arrowNext] * @prop {boolean} [zoom] * @prop {boolean} [close] * @prop {boolean} [counter] * * @prop {string} [arrowPrevSVG] * @prop {string} [arrowNextSVG] * @prop {string} [zoomSVG] * @prop {string} [closeSVG] * @prop {string} [counterSVG] * * @prop {string} [arrowPrevTitle] * @prop {string} [arrowNextTitle] * @prop {string} [zoomTitle] * @prop {string} [closeTitle] * @prop {string} [counterTitle] * * @prop {ZoomLevelOption} [initialZoomLevel] * @prop {ZoomLevelOption} [secondaryZoomLevel] * @prop {ZoomLevelOption} [maxZoomLevel] * * @prop {boolean} [mouseMovePan] * @prop {Point | null} [initialPointerPos] * @prop {boolean} [showHideOpacity] * * @prop {PhotoSwipeModuleOption} [pswpModule] * @prop {() => Promise} [openPromise] * @prop {boolean} [preloadFirstSlide] * @prop {ElementProvider} [gallery] * @prop {string} [gallerySelector] * @prop {ElementProvider} [children] * @prop {string} [childSelector] * @prop {string | false} [thumbSelector] */ /** @type {PreparedPhotoSwipeOptions} */const L={allowPanToNext:true,spacing:.1,loop:true,pinchToClose:true,closeOnVerticalDrag:true,hideAnimationDuration:333,showAnimationDuration:333,zoomAnimationDuration:333,escKey:true,arrowKeys:true,trapFocus:true,returnFocus:true,maxWidthToAnimate:4e3,clickToCloseNonZoomable:true,imageClickAction:"zoom-or-close",bgClickAction:"close",tapAction:"toggle-controls",doubleTapAction:"zoom",indexIndicatorSep:" / ",preloaderDelay:2e3,bgOpacity:.8,index:0,errorMsg:"The image cannot be loaded",preload:[1,2],easing:"cubic-bezier(.4,0,.22,1)"};class PhotoSwipe extends PhotoSwipeBase{ /** * @param {PhotoSwipeOptions} [options] */ constructor(t){super();this.options=this._prepareOptions(t||{}); /** * offset of viewport relative to document * * @type {Point} */this.offset={x:0,y:0}; /** * @type {Point} * @private */this._prevViewportSize={x:0,y:0}; /** * Size of scrollable PhotoSwipe viewport * * @type {Point} */this.viewportSize={x:0,y:0};this.bgOpacity=1;this.currIndex=0;this.potentialIndex=0;this.isOpen=false;this.isDestroying=false;this.hasMouse=false; /** * @private * @type {SlideData} */this._initialItemData={}; /** @type {Bounds | undefined} */this._initialThumbBounds=void 0; /** @type {HTMLDivElement | undefined} */this.topBar=void 0; /** @type {HTMLDivElement | undefined} */this.element=void 0; /** @type {HTMLDivElement | undefined} */this.template=void 0; /** @type {HTMLDivElement | undefined} */this.container=void 0; /** @type {HTMLElement | undefined} */this.scrollWrap=void 0; /** @type {Slide | undefined} */this.currSlide=void 0;this.events=new DOMEvents;this.animations=new Animations;this.mainScroll=new MainScroll(this);this.gestures=new Gestures(this);this.opener=new Opener(this);this.keyboard=new Keyboard(this);this.contentLoader=new ContentLoader(this)} /** @returns {boolean} */init(){if(this.isOpen||this.isDestroying)return false;this.isOpen=true;this.dispatch("init");this.dispatch("beforeOpen");this._createMainStructure();let t="pswp--open";this.gestures.supportsTouch&&(t+=" pswp--touch");this.options.mainClass&&(t+=" "+this.options.mainClass);this.element&&(this.element.className+=" "+t);this.currIndex=this.options.index||0;this.potentialIndex=this.currIndex;this.dispatch("firstUpdate");this.scrollWheel=new ScrollWheel(this);(Number.isNaN(this.currIndex)||this.currIndex<0||this.currIndex>=this.getNumItems())&&(this.currIndex=0);this.gestures.supportsTouch||this.mouseDetected();this.updateSize();this.offset.y=window.pageYOffset;this._initialItemData=this.getItemData(this.currIndex);this.dispatch("gettingData",{index:this.currIndex,data:this._initialItemData,slide:void 0});this._initialThumbBounds=this.getThumbBounds();this.dispatch("initialLayout");this.on("openingAnimationEnd",(()=>{const{itemHolders:t}=this.mainScroll;if(t[0]){t[0].el.style.display="block";this.setContent(t[0],this.currIndex-1)}if(t[2]){t[2].el.style.display="block";this.setContent(t[2],this.currIndex+1)}this.appendHeavy();this.contentLoader.updateLazy();this.events.add(window,"resize",this._handlePageResize.bind(this));this.events.add(window,"scroll",this._updatePageScrollOffset.bind(this));this.dispatch("bindEvents")}));this.mainScroll.itemHolders[1]&&this.setContent(this.mainScroll.itemHolders[1],this.currIndex);this.dispatch("change");this.opener.open();this.dispatch("afterInit");return true} /** * Get looped slide index * (for example, -1 will return the last slide) * * @param {number} index * @returns {number} */getLoopedIndex(t){const e=this.getNumItems();if(this.options.loop){t>e-1&&(t-=e);t<0&&(t+=e)}return clamp(t,0,e-1)}appendHeavy(){this.mainScroll.itemHolders.forEach((t=>{var e;(e=t.slide)===null||e===void 0||e.appendHeavy()}))} /** * Change the slide * @param {number} index New index */goTo(t){this.mainScroll.moveIndexBy(this.getLoopedIndex(t)-this.potentialIndex)}next(){this.goTo(this.potentialIndex+1)}prev(){this.goTo(this.potentialIndex-1)} /** * @see slide/slide.js zoomTo * * @param {Parameters} args */zoomTo(...t){var e;(e=this.currSlide)===null||e===void 0||e.zoomTo(...t)}toggleZoom(){var t;(t=this.currSlide)===null||t===void 0||t.toggleZoom()}close(){if(this.opener.isOpen&&!this.isDestroying){this.isDestroying=true;this.dispatch("close");this.events.removeAll();this.opener.close()}}destroy(){var t;if(this.isDestroying){this.dispatch("destroy");this._listeners={};if(this.scrollWrap){this.scrollWrap.ontouchmove=null;this.scrollWrap.ontouchend=null}(t=this.element)===null||t===void 0||t.remove();this.mainScroll.itemHolders.forEach((t=>{var e;(e=t.slide)===null||e===void 0||e.destroy()}));this.contentLoader.destroy();this.events.removeAll()}else{this.options.showHideAnimationType="none";this.close()}} /** * Refresh/reload content of a slide by its index * * @param {number} slideIndex */refreshSlideContent(t){this.contentLoader.removeByIndex(t);this.mainScroll.itemHolders.forEach(((e,i)=>{var s,n;let o=((s=(n=this.currSlide)===null||n===void 0?void 0:n.index)!==null&&s!==void 0?s:0)-1+i;this.canLoop()&&(o=this.getLoopedIndex(o));if(o===t){this.setContent(e,t,true);if(i===1){var a;this.currSlide=e.slide;(a=e.slide)===null||a===void 0||a.setIsActive(true)}}}));this.dispatch("change")} /** * Set slide content * * @param {ItemHolder} holder mainScroll.itemHolders array item * @param {number} index Slide index * @param {boolean} [force] If content should be set even if index wasn't changed */setContent(t,e,i){this.canLoop()&&(e=this.getLoopedIndex(e));if(t.slide){if(t.slide.index===e&&!i)return;t.slide.destroy();t.slide=void 0}if(!this.canLoop()&&(e<0||e>=this.getNumItems()))return;const s=this.getItemData(e);t.slide=new Slide(s,e,this);e===this.currIndex&&(this.currSlide=t.slide);t.slide.append(t.el)} /** @returns {Point} */getViewportCenterPoint(){return{x:this.viewportSize.x/2,y:this.viewportSize.y/2}} /** * Update size of all elements. * Executed on init and on page resize. * * @param {boolean} [force] Update size even if size of viewport was not changed. */updateSize(t){if(this.isDestroying)return;const e=getViewportSize(this.options,this);if(t||!pointsEqual(e,this._prevViewportSize)){equalizePoints(this._prevViewportSize,e);this.dispatch("beforeResize");equalizePoints(this.viewportSize,this._prevViewportSize);this._updatePageScrollOffset();this.dispatch("viewportSize");this.mainScroll.resize(this.opener.isOpen);!this.hasMouse&&window.matchMedia("(any-hover: hover)").matches&&this.mouseDetected();this.dispatch("resize")}} /** * @param {number} opacity */applyBgOpacity(t){this.bgOpacity=Math.max(t,0);this.bg&&(this.bg.style.opacity=String(this.bgOpacity*this.options.bgOpacity))}mouseDetected(){if(!this.hasMouse){var t;this.hasMouse=true;(t=this.element)===null||t===void 0||t.classList.add("pswp--has_mouse")}}_handlePageResize(){this.updateSize();/iPhone|iPad|iPod/i.test(window.navigator.userAgent)&&setTimeout((()=>{this.updateSize()}),500)}_updatePageScrollOffset(){this.setScrollOffset(0,window.pageYOffset)} /** * @param {number} x * @param {number} y */setScrollOffset(t,e){this.offset.x=t;this.offset.y=e;this.dispatch("updateScrollOffset")}_createMainStructure(){this.element=createElement("pswp","div");this.element.setAttribute("tabindex","-1");this.element.setAttribute("role","dialog");this.template=this.element;this.bg=createElement("pswp__bg","div",this.element);this.scrollWrap=createElement("pswp__scroll-wrap","section",this.element);this.container=createElement("pswp__container","div",this.scrollWrap);this.scrollWrap.setAttribute("aria-roledescription","carousel");this.container.setAttribute("aria-live","off");this.container.setAttribute("id","pswp__items");this.mainScroll.appendHolders();this.ui=new UI(this);this.ui.init();(this.options.appendToEl||document.body).appendChild(this.element)} /** * Get position and dimensions of small thumbnail * {x:,y:,w:} * * Height is optional (calculated based on the large image) * * @returns {Bounds | undefined} */getThumbBounds(){return getThumbBounds(this.currIndex,this.currSlide?this.currSlide.data:this._initialItemData,this)} /** * If the PhotoSwipe can have continuous loop * @returns Boolean */canLoop(){return this.options.loop&&this.getNumItems()>2} /** * @private * @param {PhotoSwipeOptions} options * @returns {PreparedPhotoSwipeOptions} */_prepareOptions(t){if(window.matchMedia("(prefers-reduced-motion), (update: slow)").matches){t.showHideAnimationType="none";t.zoomAnimationDuration=0} /** @type {PreparedPhotoSwipeOptions} */return{...L,...t}}}export{PhotoSwipe as default};