metamask-extension/old-ui/app/components/template.js

const Component = require('react').Component
const h = require('react-hyperscript')
const inherits = require('util').inherits

module.exports = NewComponent

inherits(NewComponent, Component)
function NewComponent () {
  Component.call(this)
}

NewComponent.prototype.render = function () {
  const props = this.props

  return (
    h('span', props.message)
  )
}