The rest of your code looks good, as long as your files have the extension .hbs. Try the following:

[khaitranhuynh]

The rest of your code looks good, as long as your files have the extension .hbs. Try the following:

1. Run

   npm install @handlebars/allow-prototype-access

2. add the following to the beginning of of your file.

   const Handlebars = require('handlebars')
   const {allowInsecurePrototypeAccess} = require('@handlebars/allow-prototype-access')

3. change the line

   const hbs = exphbs.create({
     defaultLayout: 'main',  
     extname: 'hbs',
   });

   to

   const hbs = exphbs.create({
     defaultLayout: 'main', 
     extname: 'hbs',
     handlebars: allowInsecurePrototypeAccess(Handlebars)
   });

Originally posted by @nknapp in handlebars-lang/handlebars.js#1648 (comment)