Please see original question on stackoverflow. Each componene receives all properties, but uses only a part from them. As for the benefits. I wanted to show how we can make basic validation of react components and their props. Also I wanted to show that sometimes it is tricky to work with FC<Props> type because of contravariance. If above examples are not useful for you, it is perfectly fine. Everybody has his own code style, guide, preferences etc...
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Please see original question on stackoverflow. Each componene receives all properties, but uses only a part from them. As for the benefits. I wanted to show how we can make basic validation of react components and their props. Also I wanted to show that sometimes it is tricky to work with
FC<Props>type because of contravariance. If above examples are not useful for you, it is perfectly fine. Everybody has his own code style, guide, preferences etc...