.babelrc.js

module.exports = function(api) {
  api.cache(!api.env("production"));

  return {
    presets: [
      [
        "@babel/preset-env",
        {
          modules: false,
          useBuiltIns: "entry",
          exclude: [
            "transform-regenerator",
            "es6.typed.data-view",
            "es6.typed.int8-array",
            "es6.typed.uint8-array",
            "es6.typed.uint8-clamped-array",
            "es6.typed.int16-array",
            "es6.typed.uint16-array",
            "es6.typed.int32-array",
            "es6.typed.uint32-array",
            "es6.typed.float32-array",
            "es6.typed.float64-array",
            "es6.reflect.apply",
            "es6.reflect.construct",
            "es6.reflect.define-property",
            "es6.reflect.delete-property",
            "es6.reflect.get",
            "es6.reflect.get-own-property-descriptor",
            "es6.reflect.get-prototype-of",
            "es6.reflect.has",
            "es6.reflect.is-extensible",
            "es6.reflect.own-keys",
            "es6.reflect.prevent-extensions",
            "es6.reflect.set",
            "es6.reflect.set-prototype-of",
            "es6.symbol",
            "es6.math.acosh",
            "es6.math.asinh",
            "es6.math.atanh",
            "es6.math.cbrt",
            "es6.math.clz32",
            "es6.math.cosh",
            "es6.math.expm1",
            "es6.math.fround",
            "es6.math.hypot",
            "es6.math.imul",
            "es6.math.log1p",
            "es6.math.log10",
            "es6.math.log2",
            "es6.math.sign",
            "es6.math.sinh",
            "es6.math.tanh",
            "es6.math.trunc",
            "es6.map",
            "es6.set",
            "es6.weak-map",
            "es6.weak-set"
          ],
        },
      ],
    ],
    plugins: [
      "lodash",
      "@babel/plugin-transform-runtime",
      "@babel/plugin-syntax-dynamic-import",
      "@babel/plugin-syntax-import-meta",
      "@babel/plugin-proposal-class-properties",
      "@babel/plugin-proposal-json-strings",
      [
        "@babel/plugin-proposal-decorators",
        {
          legacy: true,
        }
      ],
      "@babel/plugin-proposal-function-sent",
      "@babel/plugin-proposal-export-namespace-from",
      "@babel/plugin-proposal-numeric-separator",
      "@babel/plugin-proposal-throw-expressions"
    ],
    comments: true,
  };
};