Add subspec for iOS extensions without React (#471)

* Add subspec for iOS extensions without React

* hard code script_phase to Extension subspec

.gitignore

@@ -3,3 +3,4 @@
 node_modules
 xcuserdata
 xcshareddata
+/.idea/

README.md

@@ -196,6 +196,9 @@ target 'ShareExtension' do
   platform :ios, '9.0'
 
   pod 'react-native-config', :path => '../node_modules/react-native-config'
+
+  # For extensions without React dependencies
+  pod 'react-native-config/Extension', :path => '../node_modules/react-native-config'
 end
 ```
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-config",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": "Expose config variables to React Native apps",
   "keywords": [
     "env",

react-native-config.podspec

@@ -28,8 +28,28 @@ HOST_PATH="$SRCROOT/../.."
     input_files: ['$PODS_TARGET_SRCROOT/ios/ReactNativeConfig/BuildDotenvConfig.rb']
   }
 
-  s.source_files = 'ios/**/*.{h,m}'
   s.requires_arc = true
+  s.default_subspec = 'App'
+
+    s.subspec 'App' do |app|
+    app.source_files = 'ios/**/*.{h,m}'
+    app.dependency 'React'
+  end
+
+  # Use this subspec for iOS extensions that cannot use React dependency
+  s.subspec 'Extension' do |ext|
+    # Had to duplicate the script_phase since it wasn't being passed down. Not sure why
+    ext.script_phase = {
+      name: 'Config codegen',
+      script: %(
+        set -ex
+        HOST_PATH="$SRCROOT/../.."
+        "${PODS_TARGET_SRCROOT}/ios/ReactNativeConfig/BuildDotenvConfig.rb" "$HOST_PATH" "${PODS_TARGET_SRCROOT}/ios/ReactNativeConfig"
+        ),
+      execution_position: :before_compile,
+      input_files: ['$PODS_TARGET_SRCROOT/ios/ReactNativeConfig/BuildDotenvConfig.rb']
+    }
+    ext.source_files = ['ios/**/ReactNativeConfig.{h,m}', 'ios/**/GeneratedDotEnv.m']
+  end
 
-  s.dependency 'React'
 end