setShapeStyle from https://github.com/rstudio/leaflet/pull/598

Usage

setShapeStyle(
  map,
  data = leaflet::getMapData(map),
  layerId,
  stroke = NULL,
  color = NULL,
  weight = NULL,
  opacity = NULL,
  fill = NULL,
  fillColor = NULL,
  fillOpacity = NULL,
  dashArray = NULL,
  smoothFactor = NULL,
  noClip = NULL,
  options = NULL
)

Arguments

map: Leaflet map object
data: Leaflet map data
layerId: Layer to manipulate
stroke: Stroke (bool)
color: Shape color
weight: Stroke weight (line width)
opacity: Stroke opacity
fill: Shape fill (bool)
fillColor: Fill color
fillOpacity: Fill opacity
dashArray: NULL
smoothFactor: Should shapes and colors be smooth
noClip: Allow clipping
options: Leaflet options