.babelrc

{
    "presets": [
      "@babel/preset-env"
    ],
    "plugins": [
      ["@babel/plugin-transform-spread"],
      ["@babel/plugin-transform-destructuring",{"useBuiltIns": true}],
      ["@babel/plugin-transform-property-literals"],
      ["@babel/plugin-transform-reserved-words"],
      ["@babel/plugin-transform-property-mutators"],
      ["@babel/plugin-transform-arrow-functions"],
      ["@babel/plugin-transform-classes"],
      ["@babel/plugin-transform-computed-properties"],
      ["@babel/plugin-transform-for-of"],
      ["@babel/plugin-transform-new-target"],
      ["minify-dead-code-elimination", { "optimizeRawSize": true }],
      ["minify-mangle-names"],
      ["@babel/plugin-transform-strict-mode"],
      ["@babel/plugin-transform-function-name"],
      ["transform-es2015-function-name"]
    ]
  }