Add support for top-level await

Author: keithwhor

lib/parser/nodejs/exported_function_parser.js

@@ -279,7 +279,10 @@ class ExportedFunctionParser {
     try {
       moduleStatement = this.parseModuleExportsStatement(fileString);
     } catch (e) {
-      if (e.message.startsWith(`'return' outside of function`)) {
+      if (
+        e.message.startsWith(`'return' outside of function`) ||
+        e.message.startsWith(`Unexpected token, expected ;`)
+      ) {
         moduleStatement = this.parseModuleExportsStatement(`async function __inline__ (context) {\n${fileString}\n}`);
         moduleStatement = null;
       } else {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "functionscript",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "A language and specification for turning JavaScript functions into typed HTTP APIs",
   "author": "Keith Horwood <[email protected]>",
   "main": "index.js",

tests/gateway/tests.js

@@ -2804,6 +2804,19 @@ module.exports = (expect) => {
     });
   });
 
+  it('Should allow you to use "await"', done => {
+    request('POST', {}, '/inline/await/', {}, (err, res, result) => {
+
+      expect(err).to.not.exist;
+      expect(res.statusCode).to.equal(200);
+      expect(res.headers['content-type']).to.equal('application/json');
+      expect(result).to.exist;
+      expect(result).to.equal('hello world');
+      done();
+
+    });
+  });
+
   after(() => FaaSGateway.close());
 
 };