Cordova plugin to fix local file access via XHR with WKWebView
Install the plugin by running:
cordova plugin add https://github.com/TheMattRay/cordova-plugin-wkwebviewxhrfix
That's it! Seriously!
EvanWieland/cordova-plugin-wkwebviewxhrfix
Provides a fix for local file access under Cordova and WKWebView
Objective-C