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Understanding Recompose through examples
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Olena Sovyn
November 26, 2017
Programming
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Understanding Recompose through examples
Olena Sovyn
November 26, 2017
Transcript
71 slides
Olena Sovyn (@frontendgirl) 6OEFSTUBOEJOH 3FDPNQPTFUISPVHI FYBNQMFT
Olena Sovyn (@frontendgirl) ! & "
❤ 3FBDU 3FEVY -PEBTI 3FBDU4UPSZCPPL GVODUJPOBMQSPHSBNNJOH
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Olena Sovyn (@frontendgirl) 6OEFSTUBOEJOH 3FDPNQPTFUISPVHI FYBNQMFT
Image source: https://szenandoah.deviantart.com/art/Wonderland-Logo-252210579
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ZFBSBHP
How to make complex component to be reusable
%BUB #FIBWJPVS 6* Reusable ???
)0$ (high order components)
)0$ changed: context or/and props
3FDPNQPTF
%BUB #FIBWJPVS 6* Recompose HOC Stateless component
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Why should I care about Recompose
Image source: http://spacenews.com/spacexs-new-price-chart-illustrates-performance-cost-of-reusability/
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Image source: https://whataboutjesus.com/jesus-is-the-only-way/
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
%VOOJOHr,SVHFSFGGFDU Confidence Wisdom first usage of one of Recompose HOCs
reading Recompose documentation trying to use Recompose on practice
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setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
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branch lifecycle renderComponent renderNothing toClass mapProps withProps withPropsOnChange defaultProps renameProp
renameProps flattenProp withState withHandlers withStateHandlers withReducer shouldUpdate pure onlyUpdateForKeys onlyUpdateForPropTypes withContext getContext 1SPQT 4UBUF 1FSGPSNBODF 0UIFS $POUFYU 3FDPNQPTF )0$T
branch lifecycle renderComponent renderNothing toClass mapProps withProps withPropsOnChange defaultProps renameProp
renameProps flattenProp withState withHandlers withStateHandlers withReducer shouldUpdate pure onlyUpdateForKeys onlyUpdateForPropTypes withContext getContext 1SPQT 4UBUF 1FSGPSNBODF 0UIFS $POUFYU 3FDPNQPTF )0$T
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https://www.youtube.com/watch?v=C_yj4k4QZVI
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3FVTBCJMJUZ
MJGFDZDMF Image source: https://www.codevoila.com/post/57/reactjs-tutorial-react-component-lifecycle
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UJNF &YBNQMFT
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setDisplayName toClass lifecycle getContext withContext onlyUpdateForPropTypes onlyUpdateForKeys setStatic setPropTypes componentFromStream
setObservableConfig createEventHandlerWithConfig createEventHandler mapPropsStreamWithConfig mapPropsStream componentFromStreamWithConfig compose isClassComponent getDisplayName wrapDisplayName shallowEqual createSink componentFromProp nest hoistStatics mapProps withProps withHandlers withPropsOnChange renameProps defaultProps renameProp withState renderComponent renderNothing withReducer withStateHandlers shouldUpdate pure branch flattenProp
Any takeaways
Even if you are not directly contributing to libraries you
have still a lot to share
"XFTPNF 3FDPNQPTF
Make ideas clearly stand out in your examples, no matter
how complex they are
Useful Example Complex example Simple example
Even if something wasn’t clear from the first time there
is always another way
%KBOHP(JSMT,ZJW
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Image source: https://hacks.mozilla.org/2017/11/entering-the-quantum-era-how-firefox-got-fast-again-and-where-its-going-to-get-faster/ -JO$MBSLXPSLT
Image source: https://twitter.com/kosamari/status/859958929484337152 $PEFEPPEMFTCZ.BSJLP,PTBLB
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Code Example Input Output
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Even if something wasn’t clear from the first time there
is always another way
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