Using deprecated material-ui syntax 'theme.spacing.unit'

[ryan-gray]

When using using enqueueSnackbar(), there is an error thrown in the console as show below.

This should be updated to use theme.spacing(y) instead of theme.spacing.unit * y, as described in the error message

Expected Behavior

No error is thrown from notistack when enqueuing a snackbar.

Current Behavior

An error is thrown when enqueuing a snackbar related to deprecated usage of material-ui's spacing API.

Steps to Reproduce

Link: https://codesandbox.io/s/notistack-simple-example-eo4ur?fontsize=14

1. Open developer tools
2. Click any of the buttons to add a snackbar
3. Notice error in console

Context

When material-ui removes this API, it could cause a breaking change for notistack.

Your Environment

Tech	Version
notistack	v0.9.1
react	v16.9.0
react-dom	v16.9.0
Chrome	v77
@material-ui/core	4.4.3

[iamhosseindhv]

Thanks for reporting @ryan-gray. fix has been released

[ryan-gray]

Great, thank you!

[ryan-gray]

Which release is that? I only see 0.9.1.

[iamhosseindhv]

Its v0.9.2

[ryan-gray]

I'm still reproducing it in the code sandbox with 0.9.2:
https://codesandbox.io/s/notistack-simple-example-eo4ur?fontsize=14