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const $0a4c69ff81eafed7$var$config = {
selector: '[data-libra]',
margin: 50,
offset: {
x: 0,
y: 0
},
transitionDuration: 200,
imageCursor: 'zoom-in'
};
function $0a4c69ff81eafed7$var$deepMerge(target, source) {
for(const key in source)if (typeof source[key] === 'object' && source[key] !== null && !Array.isArray(source[key])) {
if (!target[key]) target[key] = {};
$0a4c69ff81eafed7$var$deepMerge(target[key], source[key]);
} else target[key] = source[key];
return target;
}
function $0a4c69ff81eafed7$export$940a7873bb071df8(newConfig) {
$0a4c69ff81eafed7$var$deepMerge($0a4c69ff81eafed7$var$config, newConfig);
}
var $0a4c69ff81eafed7$export$2e2bcd8739ae039 = $0a4c69ff81eafed7$var$config;
class $1e566b6277893a87$export$2e2bcd8739ae039 {
constructor(){
const overlay = document.createElement('div');
overlay.id = 'libra-overlay';
overlay.classList.add('libra-overlay', 'libra-hidden');
// Set transition duration from config
overlay.style.transitionDuration = (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).transitionDuration + 'ms';
this.element = overlay;
document.body.appendChild(overlay);
return this;
}
show() {
this.element.classList.remove('libra-hidden');
this.element.classList.add('libra-visible');
}
hide() {
this.element.classList.remove('libra-visible');
this.element.classList.add('libra-hidden');
}
}
class $c202a9cf7133f3b7$export$2e2bcd8739ae039 {
static calculateFinalState(element) {
let finals = {};
const margin = (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).margin;
const nw = element.naturalWidth;
const nh = element.naturalHeight;
const ratio = nw / nh;
const ww = window.innerWidth - 2 * margin;
const wh = window.innerHeight - 2 * margin;
// size image based on width first
finals.width = nw > ww ? ww : nw;
finals.height = nw > ww ? ww / ratio : nh;
// if height is too big, adjust based on height
if (finals.height > wh) {
finals.height = wh;
finals.width = wh * ratio;
}
finals.top = (wh - finals.height) / 2 + window.scrollY + margin + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.y;
finals.left = (ww - finals.width) / 2 + window.scrollX + margin + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.x;
return finals;
}
static transformMatrix(element, starts, finals) {
// Calculate scaling factors based on width and height interpolation
const scaleX = finals.width / starts.width;
const scaleY = finals.height / starts.height;
// Calculate the center of the starting and final positions
const startCenterX = starts.left + starts.width / 2;
const startCenterY = starts.top + starts.height / 2;
const finalCenterX = finals.left + finals.width / 2;
const finalCenterY = finals.top + finals.height / 2;
const translateX = finalCenterX - startCenterX;
const translateY = finalCenterY - startCenterY;
// Apply the transform with matrix (scale + translate)
element.style.transform = `matrix(${scaleX}, 0, 0, ${scaleY}, ${translateX}, ${translateY})`;
}
static resetTransformMatrix(element) {
element.style.transform = `matrix(1, 0, 0, 1, 0, 0)`;
}
}
class $ec04822463bc4394$export$2e2bcd8739ae039 {
isOpen = false;
/**
* ============
* Constructors
* ============
*/ constructor(image){
this.original = image;
const rect = this.original.getBoundingClientRect();
this.originalPosition = {
top: rect.top + window.scrollY + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.y,
left: rect.left + window.scrollX + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.x,
width: rect.width,
height: rect.height
};
this.create(image);
return this;
}
create(image) {
// create shadow image
const shadow = document.createElement('img');
shadow.src = image.src;
shadow.id = `libra-shadow-${image.id}`;
shadow.classList.add('libra-shadow');
// style and position shadow image
shadow.style.top = `${this.originalPosition.top}px`;
shadow.style.left = `${this.originalPosition.left}px`;
shadow.style.width = `${this.originalPosition.width}px`;
shadow.style.height = `${this.originalPosition.height}px`;
// Set transition duration from config
shadow.style.transitionDuration = (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).transitionDuration + 'ms';
document.body.appendChild(shadow);
this.element = shadow;
}
/**
* ============
* Actions
* ============
*/ updateOriginalPosition() {
const rect = this.original.getBoundingClientRect();
this.originalPosition = {
top: rect.top + window.scrollY + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.y,
left: rect.left + window.scrollX + (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).offset.x,
width: rect.width,
height: rect.height
};
}
open() {
this.isOpen = true;
this.element.classList.add('open');
// Update original position before animation in case viewport changed
this.updateOriginalPosition();
this.element.style.top = `${this.originalPosition.top}px`;
this.element.style.left = `${this.originalPosition.left}px`;
this.element.style.width = `${this.originalPosition.width}px`;
this.element.style.height = `${this.originalPosition.height}px`;
this.original.style.visibility = 'hidden';
if (!document.body.contains(this.element)) this.placeItself();
// Wait for image to load before animating
if (this.element.naturalWidth === 0 || this.element.naturalHeight === 0) this.element.addEventListener('load', ()=>{
(0, $c202a9cf7133f3b7$export$2e2bcd8739ae039).transformMatrix(this.element, this.originalPosition, (0, $c202a9cf7133f3b7$export$2e2bcd8739ae039).calculateFinalState(this.element));
}, {
once: true
});
else (0, $c202a9cf7133f3b7$export$2e2bcd8739ae039).transformMatrix(this.element, this.originalPosition, (0, $c202a9cf7133f3b7$export$2e2bcd8739ae039).calculateFinalState(this.element));
}
close() {
this.isOpen = false;
this.element.classList.remove('open');
(0, $c202a9cf7133f3b7$export$2e2bcd8739ae039).resetTransformMatrix(this.element);
// Wait for animation to complete before showing original and destroying shadow
setTimeout(()=>{
this.original.style.visibility = 'visible';
this.destroyItself();
}, (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).transitionDuration);
}
placeItself() {
document.body.appendChild(this.element);
}
destroyItself() {
if (!document.body.contains(this.element)) return;
document.body.removeChild(this.element);
}
}
class $3e29c386d1910a1d$export$2e2bcd8739ae039 {
currentImage = null;
shadows = {};
/**
* ============
* Initializers
* ============
*/ constructor(config){
(0, $0a4c69ff81eafed7$export$940a7873bb071df8)(config);
this.initOverlay();
this.initImages();
this.initControls();
}
initOverlay() {
this.overlay = new (0, $1e566b6277893a87$export$2e2bcd8739ae039)();
this.overlay.element.addEventListener('click', ()=>{
this.closeCurrent();
});
}
initImages() {
this.images = document.querySelectorAll((0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).selector);
this.images.forEach((image)=>{
if (image.tagName !== 'IMG') return;
image.id = crypto.randomUUID(); // generate unique id for each image
image.style.cursor = (0, $0a4c69ff81eafed7$export$2e2bcd8739ae039).imageCursor;
image.addEventListener('click', ()=>this.open(image)); // click image to open lightbox
});
}
initControls() {
// keyboard shortcuts
document.addEventListener('keydown', (e)=>{
if (e.key === 'Escape' || e.key === ' ') this.closeCurrent();
});
// scroll to dismiss
document.body.addEventListener('wheel', (e)=>this.closeCurrent());
document.body.addEventListener('touchmove', (e)=>this.closeCurrent());
}
/**
* ============
* Actions
* ============
*/ // open lightbox = open shadow + show overlay
open(image) {
this.currentImage = image;
const shadow = this.shadows[image.id] || new (0, $ec04822463bc4394$export$2e2bcd8739ae039)(image);
if (!this.shadows[image.id]) this.shadows[image.id] = shadow;
shadow.open();
this.overlay.show();
}
// close lightbox = remove shadow + hide overlay
close(image) {
this.currentImage = null;
if (!this.shadows[image.id]) return;
this.shadows[image.id].close();
this.overlay.hide();
}
closeCurrent() {
if (!this.currentImage) return;
this.close(this.currentImage);
}
}
export {$3e29c386d1910a1d$export$2e2bcd8739ae039 as default};
//# sourceMappingURL=libra.min.js.map
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