vue-cli 3.0

[zhouxianjun]

RT: use vue-cli 3.0 Cannot assign to read only property 'exports' of object '#<Object>'

[BenLocal]

在webpack 2中不允许混用import和module.exports https://github.com/webpack/webpack/issues/4039 要把Monaco.vue中的module.exports= {}改成export default { }