React-native-web: checkType method very slow

Created on 2 Jul 2019  路  4Comments  路  Source: necolas/react-native-web

In my next.js / typescript project on dev mode, checkType method eats up a lot of time. Production is fine. I've been wondering lately why my project is so much slower while development, I guess a huge part is due to checkType.

Bildschirmfoto 2019-07-02 um 16 50 40

Is there any way to deactivate the strict type checking? Its becoming more and more of a problem with my growing amount of components.

picture bkniffler
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Most helpful comment

I've created a PR over here: https://github.com/necolas/react-native-web/pull/1477

picture bkniffler on 12 Nov 2019
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All 4 comments

See #1383

React is just slower in dev.

necolas picture necolas on 2 Jul 2019
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@bkniffler could you make a pull request replacing prop-types with flow types? It should improve dev performance considerably.

brunolemos picture brunolemos on 6 Jul 2019

Hey there, if it was typescript I'd gladly help, but I'm not familiar with flow types :(

bkniffler picture bkniffler on 7 Jul 2019

I've created a PR over here: https://github.com/necolas/react-native-web/pull/1477

bkniffler picture bkniffler on 12 Nov 2019
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