Async/Await not running in Azure App Service - node.js

Question

Within my Azure App Service Node.js backend I cannot seem to get the Javascript async/await feature to run. I have changed the default version of Node.js within application settings and package.json to above 7.6. (Changed to 8.9.0)
I would like to use this feature within a custom Express router shown here:
var express = require('express'),
bodyParser = require('body-parser');
var router = express.Router();
router.get('/', function (req, res, next) {
res.status(200).send('GET: This is a test response!');
});
router.post('/:id', async function (req, res, next) {
var context = req.azureMobile;
var newLovedOne = req.body.lovedone;
var newTie = req.body.tie;
console.log('POST: newLovedOne ', newLovedOne);
console.log('POST: newTie ', newTie);
try {
await context.tables('Tie').insert(newTie);
await context.tables('LovedOne').insert(newLovedOne);
} catch (error) {
res.status(500).send('Insert failed!');
}
});
module.exports = router;
Attempting to start the app with the above router produces this:
Application has thrown an uncaught exception and is terminated:
SyntaxError: missing ) after argument list
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:373:25)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Module.require (module.js:353:17)
at require (internal/module.js:12:17)
at Object.<anonymous> (D:\home\site\wwwroot\app.js:12:20)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)

Answer 1

To verify whether the Node.js version is correctly set, you can go to your root and open the iisnode.yml file. Make sure it has the following line with the correct version:
nodeProcessCommandLine: "D:\Program Files (x86)\nodejs\8.9.0\node.exe"