1.yarn add babel-preset-es2015 --dev 或 npm install babel-preset-es2015 -D
2.babel.config.js
module.exports = {
presets: [
'@vue/cli-plugin-babel/preset',
["@babel/preset-env", { "modules": false }]
],
"plugins": [
[
"component",
{
"libraryName": "element-ui",
"styleLibraryName": "theme-chalk"
}
]
]
}
参考 ：https://blog.csdn.net/qq_41302594/article/details/105323869