Added support for loading plugins via external packages

Author: bhaskarvk

inst/htmlwidgets/leaflet.js

@@ -1147,6 +1147,8 @@ function addMarkers(map, df, group, clusterOptions, clusterId, markerFunc) {
   }).call(map);
 }
 
+methods.addGenericMarkers = addMarkers;
+
 methods.addMarkers = function (lat, lng, icon, layerId, group, options, popup, popupOptions, clusterOptions, clusterId, label, labelOptions) {
   var icondf = void 0;
   var getIcon = void 0;
@@ -1950,6 +1952,10 @@ methods.removeMeasure = function () {
   delete this.measureControl;
 };
 
+methods.newDataFrame = function () {
+  return new _dataframe2.default();
+};
+
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
 },{"./cluster-layer-store":1,"./crs_utils":3,"./dataframe":4,"./global/htmlwidgets":6,"./global/jquery":7,"./global/leaflet":8,"./global/shiny":10,"./mipmapper":14,"./util":15}],14:[function(require,module,exports){

javascript/src/methods.js

@@ -182,6 +182,8 @@ function addMarkers(map, df, group, clusterOptions, clusterId, markerFunc) {
   }).call(map);
 }
 
+methods.addGenericMarkers = addMarkers;
+
 methods.addMarkers = function(lat, lng, icon, layerId, group, options, popup, popupOptions,
                               clusterOptions, clusterId, label, labelOptions) {
   let icondf;
@@ -1064,3 +1066,7 @@ methods.removeMeasure = function() {
   this.measureControl.removeFrom( this );
   delete this.measureControl;
 };
+
+methods.newDataFrame = function() {
+  return new DataFrame();
+};