/
DevLauncherReactUtils.kt
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/
DevLauncherReactUtils.kt
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package expo.modules.devlauncher.helpers
import android.content.Context
import android.net.Uri
import android.util.Log
import com.facebook.react.ReactNativeHost
import com.facebook.react.ReactPackage
import com.facebook.react.bridge.JSBundleLoader
import expo.interfaces.devmenu.annotations.ContainsDevMenuExtension
import expo.modules.devlauncher.react.DevLauncherDevSupportManagerSwapper
import expo.modules.devlauncher.react.DevLauncherInternalSettings
import okhttp3.HttpUrl
fun injectReactInterceptor(
context: Context,
reactNativeHost: ReactNativeHost,
url: Uri
): Boolean {
val port = if (url.port != -1) url.port else HttpUrl.defaultPort(url.scheme)
val debugServerHost = url.host + ":" + port
// We need to remove "/" which is added to begin of the path by the Uri
// and the bundle type
val appBundleName = if (url.path.isNullOrEmpty()) {
"index"
} else {
url.path
?.substring(1)
?.replace(".bundle", "")
?: "index"
}
injectDevSupportManager(reactNativeHost)
val result = injectDebugServerHost(
context,
reactNativeHost,
debugServerHost,
appBundleName
)
// inspector connection will create right after ReactInstanceManager construction,
// we should reconnect here to use intercepted inspector server host.
reactNativeHost.reactInstanceManager.devSupportManager.stopInspector()
reactNativeHost.reactInstanceManager.devSupportManager.startInspector()
return result
}
fun injectDevSupportManager(
reactNativeHost: ReactNativeHost
) {
DevLauncherDevSupportManagerSwapper()
.swapDevSupportManagerImpl(reactNativeHost.reactInstanceManager)
}
fun injectDebugServerHost(
context: Context,
reactNativeHost: ReactNativeHost,
debugServerHost: String,
appBundleName: String
): Boolean {
return try {
val instanceManager = reactNativeHost.reactInstanceManager
val settings = DevLauncherInternalSettings(context, debugServerHost)
val devSupportManager = instanceManager.devSupportManager
val devSupportManagerBaseClass: Class<*>? = devSupportManager.javaClass.superclass
devSupportManagerBaseClass!!.setProtectedDeclaredField(
devSupportManager,
"mJSAppBundleName",
appBundleName
)
val mDevSettingsField = devSupportManagerBaseClass.getDeclaredField("mDevSettings")
mDevSettingsField.isAccessible = true
mDevSettingsField[devSupportManager] = settings
val mDevServerHelperField = devSupportManagerBaseClass.getDeclaredField("mDevServerHelper")
mDevServerHelperField.isAccessible = true
val devServerHelper = mDevServerHelperField[devSupportManager]
val mSettingsField = devServerHelper.javaClass.getDeclaredField("mSettings")
mSettingsField.isAccessible = true
mSettingsField[devServerHelper] = settings
// set useDeveloperSupport to true in case it was previously set to false from loading a published app
val mUseDeveloperSupportField = instanceManager.javaClass.getDeclaredField("mUseDeveloperSupport")
mUseDeveloperSupportField.isAccessible = true
mUseDeveloperSupportField[instanceManager] = true
true
} catch (e: Exception) {
Log.e("DevLauncher", "Unable to inject debug server host settings.", e)
false
}
}
fun injectLocalBundleLoader(
reactNativeHost: ReactNativeHost,
bundlePath: String
): Boolean {
return try {
val instanceManager = reactNativeHost.reactInstanceManager
val instanceManagerClass = instanceManager.javaClass
val jsBundleLoader = JSBundleLoader.createFileLoader(bundlePath)
val mBundleLoaderField = instanceManagerClass.getDeclaredField("mBundleLoader")
mBundleLoaderField.isAccessible = true
mBundleLoaderField[instanceManager] = jsBundleLoader
val mUseDeveloperSupportField = instanceManagerClass.getDeclaredField("mUseDeveloperSupport")
mUseDeveloperSupportField.isAccessible = true
mUseDeveloperSupportField[instanceManager] = false
true
} catch (e: Exception) {
Log.e("DevLauncher", "Unable to load local bundle file", e)
false
}
}
fun findDevMenuPackage(): ReactPackage? {
return try {
val clazz = Class.forName("expo.modules.devmenu.DevMenuPackage")
clazz.newInstance() as? ReactPackage
} catch (e: Exception) {
null
}
}
fun findPackagesWithDevMenuExtension(reactNativeHost: ReactNativeHost): List<ReactPackage> {
return try {
val clazz = Class.forName("com.facebook.react.PackageList")
val ctor = clazz.getConstructor(ReactNativeHost::class.java)
val packageList = ctor.newInstance(reactNativeHost)
val getPackagesMethod = packageList.javaClass.getDeclaredMethod("getPackages")
val packages = getPackagesMethod.invoke(packageList) as List<*>
return packages
.filterIsInstance<ReactPackage>()
.filter {
it.javaClass.isAnnotationPresent(ContainsDevMenuExtension::class.java)
}
} catch (e: Exception) {
Log.e("DevLauncher", "Unable find packages with dev menu extension.`.", e)
emptyList()
}
}