Usage
fmat(x = NULL, type = c("auto", ",", "$", "%", ".", "mdy", "ymd",
"date", "dollar", "dollars", "count", "percentage", "decimal"),
do.return = c("formatted", "highcharter"), digits = NULL,
with.unit = FALSE, do.date.sep = "/", do.remove.spaces = FALSE,
digits.cutoff = NULL)