[javascript mode] Support TypeScript this parameter declarations

Closes codemirror#5769
cone56 · Jan 6, 2020 · 22df45e · 22df45e
1 parent e61138c
commit 22df45e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mode/javascript/javascript.js b/mode/javascript/javascript.js
@@ -724,6 +724,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     if (value == "@") cont(expression, funarg)
     if (type == "spread") return cont(funarg);
     if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
+    if (isTS && type == "this") return cont(maybetype, maybeAssign)
     return pass(pattern, maybetype, maybeAssign);
   }
   function classExpression(type, value) {