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by brianvaughn
2999 days ago
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> In your experience, what are the kind of things that people do in `componentWillMount` that they shouldn't be doing? The biggest one is probably adding event listeners or setting up subscriptions (which can cause memory leaks). Here are some others:
https://github.com/reactjs/rfcs/blob/master/text/0006-static... > Is it correct to say that `getSnapshotBeforeUpdate` is named to indicate what you were supposed to use `componentWillMount` for? No. `getSnapshotBeforeUpdate` is not really related to `componentWillMount`. It relates more to what people were using `componentWillUpdate` for. |
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