'use strict'

const { h } = require('preact')
const { render } = require('preact-render-to-string')

module.exports = function (Component, Master) {
  const locals = Object.assign({}, this.app.locals, this.locals)

  let html

  if (!html && typeof Component === 'function') {
    html = render(h(Component, locals))
  }

  // always render master, since shim mw will add
  // scripts depending on user agent string
  if (typeof Master === 'function') {
    html = Master(Object.assign({ html }, locals))
  }

  this.send(html)
}