aaa.js

var m = require("mithril")
var pikaday = require('pikaday')

module.exports = {
  oninit(vnode) {
    console.log("Init-Setting datepicker")
  },
  oncreate(vnode) {
    console.log("Setting datepicker")
    vnode.state.picker = new pikaday({
      field: vnode.dom,
      onSelect: function (date) {
        vnote.attrs.setValue(date)
      }
    })
    if (!!vnode.attrs.getValue)
      vnode.state.picker.setDate(vnote.attrs.getValue())
  },
  view(vnode) {
    return m('input.datepicker')
  },
  onbeforeremove(vnode) {
    if (!!vnode.state.picker) {
      vnode.state.picker.destroy()
    }
  }
}