use_frameworks!

platform :ios, '8.0'

target 'RNSwiftDemo' do

   pod 'React'

end
pre_install do |installer|
   # Yoga exists in two places in the RN source tree. Delete the obsolete one to avoid redefinitions
   `rm -rf ./xxx/React/CSSLayout`
end

post_install do |installer|
   patch_subspecs(installer)
end

def patch_subspecs(installer)
   # patch source and header files
   `find ./xxx/React/React ./xxx/React/ReactCommon ./xxx/React/Libraries \\( -name *.h -o -name *.m -o -name *.mm \\) -print0 | xargs -0 sed -i '' -E 's:<(yoga|jschelpers|cxxreact)/(.*)>:"\\2":g'`
   
   # exclude duplicate symbols
   # https://github.com/facebook/react-native/issues/11502
   installer.pods_project.targets.each do |target|
       next unless target.name == 'React'
       
       source_files = target.source_build_phase.files
       uniqs = source_files.uniq { |f| f.file_ref.path }
       (source_files - uniqs).each { |dup| source_files.delete(dup) }
   end
end