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Include type hints in function parameters #2233
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Huge +1 from me; the developer experience of using a library that type hints its parameters is unmatched. There's some related work I've stumbled on:
- Type annotations in
dash(+ addmypytests in CI) #1748 was a draft PR to add type annotations generally - Add TypeScript components generation support. #1956 (merged!) supports generating components from TypeScript, which in theory should be even more powerful than what you describe
- provide
typing.Protocolfordash_duo#2170 is about a specific type hinting request
Reacted by Andrew J Bonham and Benjamin Schmidt- Type annotations in
Type hints would be super useful! Any update about this feature request?
- changed the title
[-][Feature Request] Include type hints in function parameters?[/-][+]Include type hints in function parameters[/+]on Aug 13, 2024
Hi,
Static type checkers (mypy, pyright/pylance) are becoming increasingly popular in the python world.
For now they don't work with Dash as there are no type annotations included with the library.
From what I understand, python code for dash components as well as their docstrings are somehow transpiled from javascript? If so, adding type hints should be relatively straightforward as it appears that the docstrings already contain very detailed typing information. This would significantly improve QOL for users using type checkers (which includes the majority of the vscode userbase since vscode uses pylance by default).
For reference, plotly has also started adding typing information to their functions - see for instance plotly/plotly.py#3425 (comment) .