🙈 respect the non-length of NULL

plotly · Nov 1, 2019 · b09c9e5 · b09c9e5
1 parent 6131677
commit b09c9e5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/R/dash.R b/R/dash.R
@@ -647,7 +647,7 @@ Dash <- R6::R6Class(
       }
 
       getServerParam <- function(value, type, default) {
-        if (toupper(value) %in% c("TRUE", "FALSE"))
+        if (!is.null(value) && toupper(value) %in% c("TRUE", "FALSE"))
           value <- as.logical(toupper(value))
         if (value != "" && length(value) != 0 && mode(value) == type && !is.na(value)) {
           return(value)