Bar / Percentage progression during shiny app loading

Hi everyone,

Happy 2020 to all :).

I would like to know if there is a way to add, in the R console, a percentage progression of my shiny application loading.

I don't use URL, run my app in R Studio and my shiny app is more than 1 minute to compute ("big data"), so i would like to add a percentage progression in the R console in R Studio (or in the window that shiny generates).


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Shiny comes with its own implementation, and you may want to try the one from ShinyWidgets as well.


It's not possible to show a progress bar on app loading, but if you delay reading the data until the server function runs, you can show a progress bar there.

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@AntoSeti: you may want to try waiter.


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