React PropTypes vs. Flow

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既然无缘
既然无缘 2021-01-30 04:52

PropTypes and Flow cover similar things but are using different approaches. PropTypes can give you warnings during runtime, which can be helpful to quickly find malformed respon

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  •  无人及你
    2021-01-30 05:33

    Other than both belonging to the very wide field of type checking, there's not really much similarity between the two.

    Flow is a static analysis tool which uses a superset of the language, allowing you to add type annotations to all of your code and catch an entire class of bugs at compile time.

    PropTypes is a basic type checker which has been patched onto React. It can't check anything other than the types of the props being passed to a given component.

    If you want more flexible typechecking for your entire project then Flow/TypeScript are appropriate choices. So long as you are only passing annotated types into components, you won't need PropTypes.

    If you just want to check prop types, then don't over-complicate the rest of your codebase and go with the simpler option.

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