fix(cli): add @mui/utils to the webpack singleton configuration #2633
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The change looks a bit bigger because I extracted the configuration into a variable.
But actually, it just adds
@mui/utils
to the webpack federation configuration so that the app and the plugins share one version of that.This might resolve some MUI v5 issues... Not 100% sure...
Because Backstage configures the class name generator from
@mui/material/className
like this:https://github.com/backstage/backstage/blob/v1.35.0/packages/theme/src/unified/UnifiedThemeProvider.tsx#L49-L51
Which is then:
https://github.com/mui/material-ui/blob/v5.x/packages/mui-material/src/className/index.ts
=> https://github.com/mui/material-ui/blob/v5.x/packages/mui-utils/src/index.ts#L46
===> https://github.com/mui/material-ui/blob/v5.x/packages/mui-utils/src/ClassNameGenerator/ClassNameGenerator.ts