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Enhance get derived state from props state warning - #12670 #13317
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gaearon
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flxwu:bugfix/enhance-getDerivedStateFromProps-state-warning
Aug 3, 2018
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Enhance get derived state from props state warning - #12670 #13317
gaearon
merged 5 commits into
facebook:master
from
flxwu:bugfix/enhance-getDerivedStateFromProps-state-warning
Aug 3, 2018
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Thanks. I ended up tweaking the message since people are often confused why we have it. |
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yeah, right 👍 @gaearon although I don't get why you would intentionally set state to null 😅 |
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The current warning that
getDerivedStateFromProps
produces when called withstate == null
(intentional null or undefined/not declared) is a bit unclear, so this PR adapts this message for the developer to directly recognize that he didn't declare the Component's state beforegetDerivedStateFromProps
.Resolves: #12670.
The updated message is now: