character vectors collapsed to a space-delimited character string
logicals are converted to "true" or "false"
lubridate durations are converted to numeric (milliseconds)
lists are converted to JSON,
Limitation: lubridate::duration() objects within lists
will not translate correctly
bs_attr(x)
bs_attr.default(x)
bs_attr.logical(x)
bs_attr.list(x)
bs_attr.Duration(x)
bs_attr(x)
# S4 method for logical
bs_attr(x)
# S4 method for list
bs_attr(x)
# S4 method for Duration
bs_attr(x)value to be converted
character