From ee6ed655390e6159a57ca1fe1725fd5294e66efb Mon Sep 17 00:00:00 2001
From: Eltrac <hi@guhub.cn>
Date: Mon, 15 Sep 2025 11:37:06 +0800
Subject: fix: generate truly unique IDs

---
 src/lightbox.js |  3 +--
 src/utility.js  | 11 -----------
 2 files changed, 1 insertion(+), 13 deletions(-)
 delete mode 100644 src/utility.js

diff --git a/src/lightbox.js b/src/lightbox.js
index 5523fc7..57922b3 100644
--- a/src/lightbox.js
+++ b/src/lightbox.js
@@ -1,4 +1,3 @@
-import Utility from './utility.js';
 import Overlay from './overlay.js';
 import Shadow from './shadow.js';
 
@@ -21,7 +20,7 @@ export default class LightBox {
     const images = document.querySelectorAll(`${this.container} img[data-libo]`);
 
     images.forEach(image => {
-      image.id = Utility.hashCode(image.src); // generate unique id for image
+      image.id = crypto.randomUUID(); // generate unique id for image
       const link = this.wrapInLink(image);
       // add event listener to open lightbox on click
       link.addEventListener('click', e => {
diff --git a/src/utility.js b/src/utility.js
deleted file mode 100644
index f2ee3fb..0000000
--- a/src/utility.js
+++ /dev/null
@@ -1,11 +0,0 @@
-export default class Utility {
-  static hashCode(str) {
-    let hash = 0;
-    for (let i = 0, len = str.length; i < len; i++) {
-        let chr = str.charCodeAt(i);
-        hash = (hash << 5) - hash + chr;
-        hash |= 0; // Convert to 32bit integer
-    }
-    return (hash>0) ? hash : -hash;
-  }
-}
-- 
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