From 4cb9d21fb8860d3401db5d94d30c309385599a2e Mon Sep 17 00:00:00 2001
From: Eltrac <hi@guhub.cn>
Date: Mon, 15 Sep 2025 10:10:29 +0800
Subject: initial commit

---
 src/lightbox.js | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/lightbox.js

(limited to 'src/lightbox.js')

diff --git a/src/lightbox.js b/src/lightbox.js
new file mode 100644
index 0000000..60e8518
--- /dev/null
+++ b/src/lightbox.js
@@ -0,0 +1,51 @@
+import utility from './utility.js';
+import Overlay from './overlay.js';
+import Shadow from './shadow.js';
+
+export default class LightBox {
+  overlay = new Overlay();
+
+  constructor({ container }) {
+    this.container = container;
+    this.init();
+  }
+
+  init() {
+    const container = document.querySelectorAll(this.container);
+    const images = document.querySelectorAll(`${this.container} img[data-libo]`);
+
+    images.forEach(image => {
+      // generate unique id for image
+      const id = utility.generateUniqueId(image.src);
+      image.id = id;
+
+      // get parent and wrap image with a link if it's not already wrapped
+      const parent = image.parentElement;
+      let link;
+      if (!parent || parent.tagName !== 'A') {
+        link = document.createElement('a');
+        link.href = image.src;
+        link.dataset.liboLink = true;
+
+        parent.insertBefore(link, image);
+        link.appendChild(image);
+      } else {
+        link = parent;
+      }
+
+      // add event listener to open lightbox on click
+      link.addEventListener('click', e => {
+        e.preventDefault();
+        this.openLightBox(image);
+      });
+
+    });
+  }
+
+  openLightBox(image) {
+    const shadow = new Shadow(image);
+    this.overlay.add(shadow);
+    this.overlay.show();
+    shadow.zoom();
+  }
+}
-- 
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