feat: Make "simple browser" an explicit preview type option #69
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Adds
"simple browser"
as ashiny.previewType
option and updates the help text to reference Positron.Technically, this just makes implicit behavior explicit -- any value that isn't
internal
,external
, ornone
defaults to using the Simple Browser, but you had to modify settings via JSON to take advantage.I find it useful to differentiate between the viewer pane and a simple browser. For example, while working on a workshop I could use the Viewer pane to preview Quarto slides while also running and editing a Shiny app with its preview in a Simple Browser tab.
Note that we have to declare both values up-front. In VS Code extensions, it's not possible to dynamically set the allowed values of an enum configuration setting.