index.js

var dom = require("jsonml-stringify/dom")
var styleScoped = require("style-scoped")

var template = require("./template.js")
var style = require("./style")

module.exports = customWidget

function customWidget(options) {
  options = options || {}
  var css = style(options.theme)
  var jsonml = template(...)
  
  return styleScoped("custom-widget", css, dom(jsonml))
}