index.js

const IntlMessageFormat = require('intl-messageformat')

function t(strings, values) {
  const string = strings[0].trim()
  var msg = new IntlMessageFormat(string, 'en-US')
  return msg.format(values)
}

const person = 'Mike'
const age = 28

console.log(
  t`{person} is age {age} ${{ person, age }}`
)

console.log(
  t`{0} is age {1} with an array ${[ person, age ]}`
)