Access bundled Epub.js to to get book covers

[rehhouari]

When building a local ebook reader, the user select the books and I store their info in AsyncStorage, however I can't get the cover easily I must use epub.js but if I import it then I'll have a duplicate which is the one bundled in this package.
Is there any other way to access the cover without using <Reader/> ? as in during first scan of local epub files.

[rehhouari]

Update, I couldn't even figure it out with epub.js, any help would be greatly appreciated 😓