Extension points for plugins

dispatch(map, funcName, leaflet = stop(paste(funcName,
  "requires a map proxy object")), leaflet_proxy = stop(paste(funcName,
  "does not support map proxy objects")))

invokeMethod(map, data, method, ...)

Arguments

map	a map object, as returned from `leaflet` or `leafletProxy`
funcName	the name of the function that the user called that caused this `dispatch` call; for error message purposes
leaflet	an action to be performed if the map is from `leaflet`
leaflet_proxy	an action to be performed if the map is from `leafletProxy`
data	a data object that will be used when evaluating formulas in `...`
method	the name of the JavaScript method to invoke
...	unnamed arguments to be passed to the JavaScript method

Value

dispatch returns the value of leaflet or leaflet_proxy, or an error. invokeMethod returns the map object that was passed in, possibly modified.