Fix: support ecmaFeatures.jsx flag

parser.js

@@ -32,6 +32,12 @@ exports.parseForESLint = function parseForESLint(code, options) {
             options = Object.assign({}, options, { jsx: tsx });
         }
     }
+    if (typeof options.jsx !== "boolean" &&
+        options.ecmaFeatures &&
+        typeof options.ecmaFeatures.jsx === "boolean") {
+        // allow the user to override the jsx setting
+        options.jsx = options.ecmaFeatures.jsx;
+    }
 
     const ast = parse(code, options);
     const extraOptions = {