Treat displayName as undefined #26148
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mondaychen
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packages/react-server-dom-webpack/src/__tests__/ReactFlightDOM-test.js
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When we have a key we read displayName eagerly for future warnings. In general, React should be inspecting if something is a client reference before dotting into it. However, we use displayName a lot and it kind of has defined meaning for debugging everywhere it's used so seems fine to treat this as undefined.
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gnoff
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When we have a key we read displayName eagerly for future warnings. In general, React should be inspecting if something is a client reference before dotting into it. However, we use displayName a lot and it kind of has defined meaning for debugging everywhere it's used so seems fine to treat this as undefined. DiffTrain build for [c851022](c851022) [View git log for this commit](https://github.com/facebook/react/commits/c8510227c1b9c4049979b81e998ec40545e2ce9b)
shuding
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Feb 11, 2023
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Feb 15, 2023
Summary: This sync includes the following changes: - **[86c8c8db7](facebook/react@86c8c8db7 )**: test: Don't retry flushActWork if flushUntilNextPaint threw ([#26121](facebook/react#26121)) //<Sebastian Silbermann>// - **[64acd3918](facebook/react@64acd3918 )**: remove unguarded getRootNode call ([#26152](facebook/react#26152)) //<Josh Story>// - **[71cace4d3](facebook/react@71cace4d3 )**: Migrate testRunner from jasmine2 to jest-circus ([#26144](facebook/react#26144)) //<Ming Ye>// - **[c8510227c](facebook/react@c8510227c )**: Treat displayName as undefined ([#26148](facebook/react#26148)) //<Sebastian Markbåge>// - **[55542bc73](facebook/react@55542bc73 )**: Update jest printBasicPrototype config ([#26142](facebook/react#26142)) //<Ming Ye>// - **[6396b6641](facebook/react@6396b6641 )**: Model Float on Hoistables semantics ([#26106](facebook/react#26106)) //<Josh Story>// - **[ef9f6e77b](facebook/react@ef9f6e77b )**: Enable passing Server References from Server to Client ([#26124](facebook/react#26124)) //<Sebastian Markbåge>// - **[35698311d](facebook/react@35698311d )**: Update jest escapeString config ([#26140](facebook/react#26140)) //<Ming Ye>// - **[6ddcbd4f9](facebook/react@6ddcbd4f9 )**: [flow] enable LTI inference mode ([#26104](facebook/react#26104)) //<Jan Kassens>// - **[53b1f69ba](facebook/react@53b1f69ba )**: Implement unstable_getBoundingClientRect in RN Fabric refs ([#26137](facebook/react#26137)) //<Rubén Norte>// - **[594093496](facebook/react@594093496 )**: Update to Jest 29 ([#26088](facebook/react#26088)) //<Ming Ye>// - **[28fcae062](facebook/react@28fcae062 )**: Add support for SVG `transformOrigin` prop ([#26130](facebook/react#26130)) //<Aravind D>// - **[3ff1540e9](facebook/react@3ff1540e9 )**: Prefer JSX in ReactNoop assertions (to combat out-of-memory test runs) ([#26127](facebook/react#26127)) //<Sebastian Silbermann>// - **[01a0c4e12](facebook/react@01a0c4e12 )**: Add Edge Server Builds for workerd / edge-light ([#26116](facebook/react#26116)) //<Sebastian Markbåge>// - **[f0cf832e1](facebook/react@f0cf832e1 )**: Update Flight Fixture to "use client" instead of .client.js ([#26118](facebook/react#26118)) //<Sebastian Markbåge>// - **[03a216070](facebook/react@03a216070 )**: Rename "dom" fork to "dom-node" and "bun" fork to "dom-bun" ([#26117](facebook/react#26117)) //<Sebastian Markbåge>// - **[4bf2113a1](facebook/react@4bf2113a1 )**: Revert "Move the Webpack manifest config to one level deeper ([#26083](facebook/react#26083))" ([#26111](facebook/react#26111)) //<Sebastian Markbåge>// - **[2ef24145e](facebook/react@2ef24145e )**: [flow] upgrade to 0.199.0 ([#26096](facebook/react#26096)) //<Jan Kassens>// - **[922dd7ba5](facebook/react@922dd7ba5 )**: Revert the outer module object to an object ([#26093](facebook/react#26093)) //<Sebastian Markbåge>// - **[9d111ffdf](facebook/react@9d111ffdf )**: Serialize Promises through Flight ([#26086](facebook/react#26086)) //<Sebastian Markbåge>// - **[0ba4698c7](facebook/react@0ba4698c7 )**: Fix async test in React reconciler ([#26087](facebook/react#26087)) //<Ming Ye>// - **[8c234c0de](facebook/react@8c234c0de )**: Move the Webpack manifest config to one level deeper ([#26083](facebook/react#26083)) //<Sebastian Markbåge>// - **[977bccd24](facebook/react@977bccd24 )**: Refactor Flight Encoding ([#26082](facebook/react#26082)) //<Sebastian Markbåge>// - **[d7bb524ad](facebook/react@d7bb524ad )**: [cleanup] Remove unused package jest-mock-scheduler ([#26084](facebook/react#26084)) //<Ming Ye>// - **[6b3083266](facebook/react@6b3083266 )**: Upgrade prettier ([#26081](facebook/react#26081)) //<Jan Kassens>// - **[1f5ce59dd](facebook/react@1f5ce59dd )**: [cleanup] fully roll out warnAboutSpreadingKeyToJSX ([#26080](facebook/react#26080)) //<Jan Kassens>// Changelog: [General][Changed] - React Native sync for revisions 48b687f...fccf3a9 jest_e2e[run_all_tests] Reviewed By: rubennorte Differential Revision: D43305607 fbshipit-source-id: 8da7567ca2a182f4be27788935c2da30a731f83b
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May 22, 2023
Summary: This sync includes the following changes: - **[86c8c8db7](facebook/react@86c8c8db7 )**: test: Don't retry flushActWork if flushUntilNextPaint threw ([facebook#26121](facebook/react#26121)) //<Sebastian Silbermann>// - **[64acd3918](facebook/react@64acd3918 )**: remove unguarded getRootNode call ([facebook#26152](facebook/react#26152)) //<Josh Story>// - **[71cace4d3](facebook/react@71cace4d3 )**: Migrate testRunner from jasmine2 to jest-circus ([facebook#26144](facebook/react#26144)) //<Ming Ye>// - **[c8510227c](facebook/react@c8510227c )**: Treat displayName as undefined ([facebook#26148](facebook/react#26148)) //<Sebastian Markbåge>// - **[55542bc73](facebook/react@55542bc73 )**: Update jest printBasicPrototype config ([facebook#26142](facebook/react#26142)) //<Ming Ye>// - **[6396b6641](facebook/react@6396b6641 )**: Model Float on Hoistables semantics ([facebook#26106](facebook/react#26106)) //<Josh Story>// - **[ef9f6e77b](facebook/react@ef9f6e77b )**: Enable passing Server References from Server to Client ([facebook#26124](facebook/react#26124)) //<Sebastian Markbåge>// - **[35698311d](facebook/react@35698311d )**: Update jest escapeString config ([facebook#26140](facebook/react#26140)) //<Ming Ye>// - **[6ddcbd4f9](facebook/react@6ddcbd4f9 )**: [flow] enable LTI inference mode ([facebook#26104](facebook/react#26104)) //<Jan Kassens>// - **[53b1f69ba](facebook/react@53b1f69ba )**: Implement unstable_getBoundingClientRect in RN Fabric refs ([facebook#26137](facebook/react#26137)) //<Rubén Norte>// - **[594093496](facebook/react@594093496 )**: Update to Jest 29 ([facebook#26088](facebook/react#26088)) //<Ming Ye>// - **[28fcae062](facebook/react@28fcae062 )**: Add support for SVG `transformOrigin` prop ([facebook#26130](facebook/react#26130)) //<Aravind D>// - **[3ff1540e9](facebook/react@3ff1540e9 )**: Prefer JSX in ReactNoop assertions (to combat out-of-memory test runs) ([facebook#26127](facebook/react#26127)) //<Sebastian Silbermann>// - **[01a0c4e12](facebook/react@01a0c4e12 )**: Add Edge Server Builds for workerd / edge-light ([facebook#26116](facebook/react#26116)) //<Sebastian Markbåge>// - **[f0cf832e1](facebook/react@f0cf832e1 )**: Update Flight Fixture to "use client" instead of .client.js ([facebook#26118](facebook/react#26118)) //<Sebastian Markbåge>// - **[03a216070](facebook/react@03a216070 )**: Rename "dom" fork to "dom-node" and "bun" fork to "dom-bun" ([facebook#26117](facebook/react#26117)) //<Sebastian Markbåge>// - **[4bf2113a1](facebook/react@4bf2113a1 )**: Revert "Move the Webpack manifest config to one level deeper ([facebook#26083](facebook/react#26083))" ([facebook#26111](facebook/react#26111)) //<Sebastian Markbåge>// - **[2ef24145e](facebook/react@2ef24145e )**: [flow] upgrade to 0.199.0 ([facebook#26096](facebook/react#26096)) //<Jan Kassens>// - **[922dd7ba5](facebook/react@922dd7ba5 )**: Revert the outer module object to an object ([facebook#26093](facebook/react#26093)) //<Sebastian Markbåge>// - **[9d111ffdf](facebook/react@9d111ffdf )**: Serialize Promises through Flight ([facebook#26086](facebook/react#26086)) //<Sebastian Markbåge>// - **[0ba4698c7](facebook/react@0ba4698c7 )**: Fix async test in React reconciler ([facebook#26087](facebook/react#26087)) //<Ming Ye>// - **[8c234c0de](facebook/react@8c234c0de )**: Move the Webpack manifest config to one level deeper ([facebook#26083](facebook/react#26083)) //<Sebastian Markbåge>// - **[977bccd24](facebook/react@977bccd24 )**: Refactor Flight Encoding ([facebook#26082](facebook/react#26082)) //<Sebastian Markbåge>// - **[d7bb524ad](facebook/react@d7bb524ad )**: [cleanup] Remove unused package jest-mock-scheduler ([facebook#26084](facebook/react#26084)) //<Ming Ye>// - **[6b3083266](facebook/react@6b3083266 )**: Upgrade prettier ([facebook#26081](facebook/react#26081)) //<Jan Kassens>// - **[1f5ce59dd](facebook/react@1f5ce59dd )**: [cleanup] fully roll out warnAboutSpreadingKeyToJSX ([facebook#26080](facebook/react#26080)) //<Jan Kassens>// Changelog: [General][Changed] - React Native sync for revisions 48b687f...fccf3a9 jest_e2e[run_all_tests] Reviewed By: rubennorte Differential Revision: D43305607 fbshipit-source-id: 8da7567ca2a182f4be27788935c2da30a731f83b
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When we have a key we read displayName eagerly for future warnings.
In general, React should be inspecting if something is a client reference before dotting into it. However, we use displayName a lot and it kind of has defined meaning for debugging everywhere it's used so seems fine to treat this as undefined.