Components: Property 'steps' does not exist

[chr1soscl]

I recently installed @angular/material version 7.3.2 and I am trying to build my project for production:
ng build --prod

but and I keep getting this error:
ERROR in node_modules\@angular\material\steppertypings\index.d.ts.MatHorizontalStepper.html(1,68): : Property 'steps' does not exist on type 'MatHorizontalStepper'. Did you mean '_steps'?

node_modules\@angular\material\steppertypings\index.d.ts.MatHorizontalStepper.html(1,1033): : Property 'steps' does not exist on type 'MatHorizontalStepper'.
Did you mean '_steps'?

node_modules\@angular\material\steppertypings\index.d.ts.MatVerticalStepper.html(1,23): : Property 'steps' does not exist on type 'MatVerticalStepper'. Did you mean '_steps'?

[macjohnny]

https://github.com/angular/material2/blob/9ca5722d68274b7548ea0c20a7dd0031e6c7e317/src/cdk/stepper/stepper.ts#L257-L260

https://github.com/angular/material2/blob/9ca5722d68274b7548ea0c20a7dd0031e6c7e317/src/lib/stepper/stepper.ts#L87

https://github.com/angular/material2/blob/9ca5722d68274b7548ea0c20a7dd0031e6c7e317/src/lib/stepper/stepper.ts#L148

which is correctly used here
https://github.com/angular/material2/blob/9ca5722d68274b7548ea0c20a7dd0031e6c7e317/src/lib/stepper/stepper-horizontal.html#L2

@chr1soscl are you sure you also updated @angular/cdk to version 7.3.2?
a created a dummy project with a horizontal stepper with @angular/[email protected] and @angular/[email protected] (@angular/[email protected], @angular/devkit/[email protected]) and running ng build --prod successfully works without the issue you described.

[chr1soscl]

@macjohnny thank you very much. I believe this will fix my issue, I will test it this evening.

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