collapsible shinyInputs

[ijlyttle]

It could be useful to be able to collapse shiny Inputs - the thought is that we would have a

shinyInput_embed_collapse(tag)

This would take a shinyInput and return a modified copy of the shinyInput.

The modifications would:

• add a caret to the left side of the label of the shiny input.

• the caret would be wrapped in a link.

• the link would be associated with a collapse element that wraps the rest of the shiny input.

• the caret would rotate according to if the input is open or not

• document

• test

• article

• app

[ijlyttle]

How does this survive a shiny update? (same with label_embed)

[ijlyttle]

consider argument for initial state (expanded/collapsed)

[ijlyttle]

consider left-to-right bias (also for label_embed())