.babelrc.json
{
"presets": [
[
"@babel/preset-env",
{
"useBuiltIns": "usage",
"modules": false,
"corejs": "3",
"targets": "ie 8",
"loose": true
}
]
],
"plugins": [
"@babel/plugin-transform-arrow-functions",
"@babel/plugin-transform-async-to-generator",
"@babel/plugin-transform-runtime",
[
"@babel/plugin-proposal-private-methods",
{
"loose": true
}
],
[
"@babel/plugin-proposal-class-properties",
{
"loose": true
}
]
]
}