Merge pull request #425 from rstudio/joe/bugfix/na-opacity

Fix #424: incorrect opacity on NA entry in legend

Author: jcheng5

NEWS

@@ -7,6 +7,8 @@ leaflet 1.1.1
 * Fix bug with accessing columns in formulas when the data source is a Crosstalk
   SharedData object wrapping a spatial data frame or sf object.
 
+* Fix incorrect opacity on NA entry in legend. (PR #425)
+
 leaflet 1.1.0
 --------------------------------------------------------------------------------
 

inst/htmlwidgets/leaflet.js

@@ -1839,7 +1839,7 @@ methods.addLegend = function (options) {
         });
 
         if (options.na_color) {
-          (0, _jquery2.default)(div).append("<div><i style=\"background:" + options.na_color + "\"></i> " + options.na_label + "</div>");
+          (0, _jquery2.default)(div).append("<div><i style=\"background:" + options.na_color + ";opacity:" + options.opacity + ";\"></i> " + options.na_label + "</div>");
         }
       })();
     } else {

javascript/src/methods.js

@@ -774,7 +774,8 @@ methods.addLegend = function(options) {
 
       if (options.na_color) {
         $(div).append("<div><i style=\"background:" + options.na_color +
-                      "\"></i> " + options.na_label + "</div>");
+                      ";opacity:" + options.opacity +
+                      ";\"></i> " + options.na_label + "</div>");
       }
     } else {
       if (options.na_color) {