iOS 13 and lower can't open an EPUB

[openm1nd]

Bug Report

A book can't be opened prior iOS 13. Seems that it has something to do with js as I notice multiple same js executions of my user scripts.

What happened?

The screen just shows endless loading

Expected behavior

A book should be opened

How to reproduce?

1. Open any book on any device on iOS 12, 13
2. See the error

Environment

iOS 12.0 iPhone SE
iOS 13.0 iPhone Simulator

Readium versions

• r2-shared-swift: 2.2.0
• r2-streamer-swift: 2.2.0
• r2-navigator-swift: 2.2.0
• r2-opds-swift: 2.2.0
• r2-lcp-swift: 2.2.0

Development environment

macOS: 11.6
platform: x86_64
carthage: 0.38.0
Xcode 13.0
Build version 13A233

Testing device

• iOS version: iOS 12, 13
• Model (e.g. iPhone 11 Pro Max):iPhone SE, Simulator
• Is it an emulator? Yes and No

Additional context

Seem pretty much like the bug in the past, it was fixed here: readium/r2-navigator-swift#208
It seems that it is back now

[openm1nd]

The following ebook produces the issue
Vinietu - Karl Mai.epub.zip

[adamtorok]

Hi! Is it possible that I have the same problem on iOS 13.1?

[mickael-menu]

Probably not exactly the same, please open a bug report with as many details as possible to be able to reproduce the issue: https://github.com/readium/swift-toolkit/issues/new?assignees=&labels=&template=bug_report.md&title=