React Keys: Fix sending null as a key

See facebook/react#5519
ariabuckles · Oct 24, 2019 · ebf17b3 · ebf17b3
1 parent b2bebfa
commit ebf17b3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/simple-markdown.js b/simple-markdown.js
@@ -508,13 +508,13 @@ var TYPE_SYMBOL =
 
 var reactElement = function(
     type /* : string */,
-    key /* : string | null */,
+    key /* : string | number | null | void */,
     props /* : { [string]: any } */
 ) {
     var element = {
         $$typeof: TYPE_SYMBOL,
         type: type,
-        key: key,
+        key: key == null ? undefined : key,
         ref: null,
         props: props,
         _owner: null