[iOS] [BUGFIX] [Cocoapods integration ]Fixing error when using RCTAnimation in Swift project using cocoapods

[barrault01]

Hello,

When you try to install React Native with RCTAnimation dependency using Cocoapods on an existing swift project, it does not compile.

This PR fixed the problem explained in this issue :#13198.

The solution was already presented here: #13198 but never implemented.

Test Plan:

Clone this project that demonstrate the bug : https://github.com/barrault01/swift-reactnative.git

git clone https://github.com/barrault01/swift-reactnative.git
yarn install
cd ios
pod install
open ReatNativeSwift.xcworkspace 

To fix the bug update the version of react-native on the package.json

{
  "name": "MyReactNativeApp",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start"
  },
  "dependencies": {
    "react": "16.4.1",
    "react-native": "git://github.com/barrault01/react-native.git#70f7e5ea9ed226604d795b6646f14a8192b860fb"
  }
}

Then run do this again on the root folder of the project:

yarn install
cd ios
pod install
open ReatNativeSwift.xcworkspace 

And now the build will sucessed.

Release Notes:

[iOS] [BUGFIX] [Cocoapods integration] - now using RCTAnimation subspecs does not make the build failed on iOS when integrated React Native using Cocoapods.

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[barrault01]

I made a similar PR here : #20964

[barrault01]

I reopened this pull request due to the fact very PRs should be on to of master branch.

[ikesyo]

I believe #18050 is more appropriate fix and @hramos started importing it before (but failed).

[barrault01]

@ikesyo I give a look @ #18050 and try the fixe locally, it works with cocoapods and when using Xcode integration. The fact that the cocoapods integration is not working is really breaking our workflow. What can I do to help making this PR #18050 go inside the next release?

[ikesyo]

#18050 has been merged, so this can be closed.

[barrault01]

Yep :)