|
{
|
|
"plugins": [
|
|
"@babel/plugin-proposal-optional-chaining"
|
|
],
|
|
"presets": [
|
|
["@babel/preset-env", {
|
|
"useBuiltIns": "usage",
|
|
"corejs": 3,
|
|
"targets": {
|
|
// https://jamie.build/last-2-versions
|
|
"browsers": ["> 0.25%", "not ie 11", "not op_mini all"]
|
|
}
|
|
}]
|
|
]
|
|
}
|