dispatch.Rd

% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/utils.R
\name{dispatch}
\alias{dispatch}
\alias{invokeMethod}
\title{Extension points for plugins}
\usage{
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{
\item{map}{a map object, as returned from \code{\link[=leaflet]{leaflet()}} or \code{\link[=leafletProxy]{leafletProxy()}}}

\item{funcName}{the name of the function that the user called that caused
this \code{dispatch} call; for error message purposes}

\item{leaflet}{an action to be performed if the map is from \code{\link[=leaflet]{leaflet()}}}

\item{leaflet_proxy}{an action to be performed if the map is from \code{\link[=leafletProxy]{leafletProxy()}}.}

\item{data}{a data object that will be used when evaluating formulas in \code{...}}

\item{method}{the name of the JavaScript method to invoke}

\item{...}{unnamed arguments to be passed to the JavaScript method}
}
\value{
\code{dispatch()} returns the value of \code{leaflet} or
\code{leaflet_proxy()}, or an error. \code{invokeMethod()} returns the
\code{map} object that was passed in, possibly modified.
}
\description{
Extension points for plugins
}