feat(slider): vertical slider

[oleal]

Feature Description

slider seems to be only horizontal

for material for angular js, a "vertical" property existed for mat-slider

Use Case

chose orientation for mat-slider

[sorozco2]

Any update on this feature?

[bgomes-bacardi]

Given that

The legacyslider will be deprecated this priority should be higher? @wagnermaciel

[wagnermaciel]

@jelbourn Is this still a feature we are considering adding?

[wagnermaciel]

I discussed this with the team and the unfortunate conclusion is that this is not something we plan on implementing

Context

The new mdc-based slider is built following the Material Design Component's html structure and directly using their styles (IMPORTANT: This is not owned by us). The reason why the vertical option was removed from our library is that the Material Design Slider spec & implementation do not include a vertical slider.

Why not provide one anyway?

Since we are Angular Material Components, we already have incentive not to diverge from the Material Design spec. On top of this, if we were to try to implement this on our end (on top of MDC's styles) it would be a hacky workaround at best and make it more difficult to maintain the interface between our library and theirs.

Conclusion

As long as the Material Design Spec does not include a vertical slider, our library will not be implementing one.

If you'd like to advocate for a vertical slider to get added to the Material Design Spec, please feel free to visit https://m2.material.io/components/sliders. At the bottom of the page, there is a feedback link which you can use to request this feature.

If a vertical slider is ever added to the Material Design Spec, I am more than happy to reopen this issue

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