vue-cli 4 设置文件别名

// vue.config.js
const path = require('path')
module.exports = {
  chainWebpack: config => {
    config.resolve.alias
      .set('@', path.join(__dirname, 'src'))
      .set('components', path.join(__dirname, 'src/components'))
      .set('views', path.join(__dirname, 'src/views'))
      .set('assets', path.join(__dirname, 'src/assets'))
  }
}