Merge options if plugin was already added

rstudio · Mar 1, 2017 · 86ee472 · 86ee472
1 parent 3887b2c
commit 86ee472
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/R/dependency.R b/R/dependency.R
@@ -56,6 +56,15 @@ dyPlugin <- function(dygraph, name, path, options = list(), version = "1.0") {
   if (length(options) == 0) {
     options <- JS("{}")
   }
+  # merge options if plugin was already added
+  if (name %in% names(dygraph$x$plugins)) {
+    current.options <- dygraph$x$plugins[[name]]
+    i <- match(names(current.options), names(options))
+    i <- is.na(i)
+    if (any(i)) {
+      options[names(current.options)[which(i)]] = current.options[which(i)]
+    }
+  }
   dygraph$x$plugins[[name]] <- options
 
   # return dygraph