This is a repo demonstrating the json2typscript array property decorators work outside of nuxt.
Requires typescript (tsc) to be installed - I ran this using 3.7.4. Node is also needed, I ran this using 10.5.0.
# install dependencies
$ npm install
# compile ts files
$ tsc
# run index
$ node index.js$ node index.js
Obj { items: [ Item { bar: 'somestring' } ] }
foo somestring