.babelrc

{
    "plugins": [
        "@babel/plugin-proposal-object-rest-spread",
        "@babel/plugin-proposal-class-properties",
        ["@babel/plugin-proposal-decorators", { "legacy": true }]
    ],
    "ignore": [
        "node_modules"
    ],
    "presets": [
        [
            "@babel/preset-env",
            {
                "targets": {
                    "browsers": [
                        "> 5%",
                        "ie > 10"
                    ],
                    "node": "current"
                }
            }
        ],
    ],
    "env": {
        "development": {
          "plugins": [],
          "presets": []
        },
        "production": {
          "plugins": [
            "@babel/plugin-transform-member-expression-literals",
            "@babel/plugin-transform-property-literals",
            "transform-minify-booleans",
            "transform-remove-console",
            "transform-remove-debugger",
            "transform-merge-sibling-variables"
          ]
        }
      }

}