Is it possible to show Function name instead of {[Function]} ?

[sandrina-p]

On React, I have a <Button> with a prop that passs another component:

import Button from 'components/react-button';
import { IconBag } from 'components/react-icons';

<Button theme="primary" Icon={ IconBag }>Add to Bag</Button>

And on the snapshot it shows this:

<Button Icon={[Function]} theme="primary">Add to Bag</Button>

If I change the Icon prop value to another component, the snapshots doesn't change, staying {[Function]}.

Is it possible to know the function name on the snapshot? Something like:

<Button Icon={[Function IconBag]} theme="primary">Add to Bag</Button>

I have jest 18.1.0 installed.

Thanks

[thymikee]

We disabled this in Jest 16 for various reasons: https://facebook.github.io/jest/blog/2016/10/03/jest-16.html#snapshot-updates

[sandrina-p]

Is it possible to somehow enable that in certain cases?

[thymikee]

No, it's not configurable now. You can always fork jest-snapshot and remove printFunctionName: false part.

[sandrina-p]

Thanks, i'll take a look!
Do u guys have plans to have option for it?

[cpojer]

Not at this point, if you are using code coverage then the name won't be able to be inferred properly.

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