From bdae4730125dcf9bdc5a5154cfb39de34b52013d Mon Sep 17 00:00:00 2001
From: Huang Xin <chrox.huang@gmail.com>
Date: Sat, 2 Aug 2025 07:44:52 +0800
Subject: [PATCH] Add custom event for loading manifest item (#76)

---
 epub.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/epub.js b/epub.js
index 4361557..12532eb 100644
--- a/epub.js
+++ b/epub.js
@@ -706,7 +706,6 @@ class Loader {
     #cache = new Map()
     #children = new Map()
     #refCount = new Map()
-    allowScript = false
     eventTarget = new EventTarget()
     constructor({ loadText, loadBlob, resources }) {
         this.loadText = loadText
@@ -765,7 +764,11 @@ class Loader {
         const { href, mediaType } = item
 
         const isScript = MIME.JS.test(item.mediaType)
-        if (isScript && !this.allowScript) return null
+        const detail = { type: mediaType, isScript, allow: true}
+        const event = new CustomEvent('load', { detail })
+        this.eventTarget.dispatchEvent(event)
+        const allow = await event.detail.allow
+        if (!allow) return null
 
         const parent = parents.at(-1)
         if (this.#cache.has(href)) return this.ref(href, parent)