plugin.xml

<?xml version='1.0' encoding='utf-8'?>
<plugin id="cordova-plugin-wkwebviewxhrfix" version="0.1.0" 
xmlns="http://apache.org/cordova/ns/plugins/1.0"
xmlns:android="http://schemas.android.com/apk/res/android">
	<name>WKWebView XHR Fix</name>

	<license>MIT</license>

	<engines>
		<engine name="cordova" version=">=3.2.0" />
	</engines>

	<platform name="ios">
		<config-file parent="/*" target="config.xml">
			<feature name="WKWebViewXHRFix">
				<param name="ios-package" value="WKWebViewXHRFix" />
				<param name="onload" value="true" />
			</feature>
		</config-file>

		<header-file src="src/ios/CDVWKWebViewEngine+FileXhrFix.h" />
		<source-file src="src/ios/CDVWKWebViewEngine+FileXhrFix.m" />

	</platform>
</plugin>