decouple jsc when USE_THIRD_PARTY_JSC=1 on ios #49371
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Feb 14, 2025
packages/react-native/Libraries/AppDelegate/RCTAppSetupUtils.mm
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| if ENV['USE_THIRD_PARTY_JSC'] != '1' | ||
| pod 'React-jsc', :path => "#{react_native_path}/ReactCommon/jsc" | ||
| if fabric_enabled | ||
| pod 'React-jsc/Fabric', :path => "#{react_native_path}/ReactCommon/jsc" |
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not even sure that this subspec is actually needed...
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maybe not but that feels out of scope toward this pr. maybe we can update that in a separate pr?
--------- Co-authored-by: Riccardo Cipolleschi <cipolleschi@meta.com>
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Summary:
an effort of lean core for jsc: https://github.com/Kudo/discussions-and-proposals/blob/%40kudo/lean-core-jsc/proposals/0836-lean-core-jsc.md. this pr tries to decouple all jsc code when
USE_THIRD_PARTY_JSC=1on iosthis pr includes these changes:
React-jscpod and pod dependency whenUSE_THIRD_PARTY_JSC=1JSCExecutorFactory/RCTJscInstancereferences whenUSE_THIRD_PARTY_JSC=1. it throws c++ errors likeNo JSRuntimeFactory specified.when no engine is specified (USE_HERMES=0 && USE_THIRD_PARTY_JSC=1). people need to override delegate methods to specify a JSRuntimeFactory.Changelog:
[IOS] [CHANGED] - Decouple JSC when
USE_THIRD_PARTY_JSC=1Test Plan:
RCT_NEW_ARCH_ENABLED=1 USE_THIRD_PARTY_JSC=1 USE_HERMES=0 USE_FRAMEWORKS=dynamic bundle exec pod installRCT_NEW_ARCH_ENABLED=0 USE_THIRD_PARTY_JSC=1 USE_HERMES=0 USE_FRAMEWORKS=dynamic bundle exec pod installRCT_NEW_ARCH_ENABLED=0 USE_THIRD_PARTY_JSC=1 USE_HERMES=0 bundle exec pod install