2 files changed, 10 insertions, 2 deletions
diff --git a/public/vendor/codemirror/mode/javascript/javascript.js b/public/vendor/codemirror/mode/javascript/javascript.js
index ef018478..c86f49e1 100755
--- a/public/vendor/codemirror/mode/javascript/javascript.js
+++ b/public/vendor/codemirror/mode/javascript/javascript.js
@@ -482,8 +482,11 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   function maybetype(type) {
     if (isTS && type == ":") return cont(typedef);
   }
+  function maybedefault(_, value) {
+    if (value == "=") return cont(expressionNoComma);
+  }
   function typedef(type) {
-    if (type == "variable"){cx.marked = "variable-3"; return cont();}
+    if (type == "variable") {cx.marked = "variable-3"; return cont();}
   }
   function vardef() {
     return pass(pattern, maybetype, maybeAssign, vardefCont);
@@ -538,7 +541,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
   }
   function funarg(type) {
     if (type == "spread") return cont(funarg);
-    return pass(pattern, maybetype);
+    return pass(pattern, maybetype, maybedefault);
   }
   function className(type, value) {
     if (type == "variable") {register(value); return cont(classNameAfter);}
diff --git a/public/vendor/codemirror/mode/javascript/test.js b/public/vendor/codemirror/mode/javascript/test.js
index 91b0e89a..092d25dc 100755
--- a/public/vendor/codemirror/mode/javascript/test.js
+++ b/public/vendor/codemirror/mode/javascript/test.js
@@ -160,6 +160,11 @@
      "]];",
      "[number 10];");
 
+  MT("param_default",
+     "[keyword function] [variable foo]([def x] [operator =] [string-2 `foo${][number 10][string-2 }bar`]) {",
+     "  [keyword return] [variable-2 x];",
+     "}");
+
   var jsonld_mode = CodeMirror.getMode(
     {indentUnit: 2},
     {name: "javascript", jsonld: true}