Parse JS Module Blocks proposal (#12469)

packages/babel-plugin-syntax-module-blocks/src/index.js

@@ -0,0 +1,13 @@
+import { declare } from "@babel/helper-plugin-utils";
+
+export default declare(api => {
+  api.assertVersion(7);
+
+  return {
+    name: "syntax-module-blocks",
+
+    manipulateOptions(opts, parserOpts) {
+      parserOpts.plugins.push("moduleBlocks");
+    },
+  };
+});