SSR Grid Improvements

[ChronosSF]

When in SSR mode (or prerender) the correct behavior of the grid should be:

• render all elements declared in the template
• do not change sizes (% width should render as % width)
• render all defined columns without virtualization (auto-sizing should work as it does if there is no data)
• render empty grid template or loading indicator based on options

[github-actions]

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[MayaKirova]

@ChronosSF I have some questions:

• What do you mean by "render all elements declared in the template"? Which template? Can you give an example?
• Should the grid render empty for all grid size configurations or just for width/height 100%? For example, if I have a grid with set width/height in px and I can calculate and render everything I need on the server, should I still disable virtualization and render the grid initially empty with all columns?

[MayaKirova]

@ChronosSF @dkamburov I've added notes on SSR in the spec here for height and here for width. Please approve.

[ChronosSF]

@ChronosSF I have some questions:

• What do you mean by "render all elements declared in the template"? Which template? Can you give an example?
• Should the grid render empty for all grid size configurations or just for width/height 100%? For example, if I have a grid with set width/height in px and I can calculate and render everything I need on the server, should I still disable virtualization and render the grid initially empty with all columns?

• it means it should have the toolbar rendered, the paginator rendered and anything else that you put as additional components in the grid
• if the grid has pixel width/heights unless there is some limitation that I am not aware of, we can render the data with virtualization server-side. If we can then we should.

[dkamburov]

I agree with the current notes and I believe they apply for the % scenario only, right?

Maybe additional note about what Stamen mentioned(altough this is how it currently behaves we don't need to add up to this scenario):

• if the grid has pixel width/heights unless there is some limitation that I am not aware of, we can render the data with virtualization server-side. If we can then we should.