.babelrc

{
    "presets": [
      [
        "@babel/preset-env",
        {
          "targets": {
            //Read from .browserlistrc
          }
        }
      ],
      "@babel/preset-flow"
    ],
    "plugins": [
      // Stage 0
      "@babel/plugin-proposal-function-bind",

      // Stage 1
      "@babel/plugin-proposal-export-default-from",
      "@babel/plugin-proposal-logical-assignment-operators",
      ["@babel/plugin-proposal-optional-chaining", { "loose": false }],
      ["@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal" }],
      ["@babel/plugin-proposal-nullish-coalescing-operator", { "loose": false }],
      "@babel/plugin-proposal-do-expressions",

      // Stage 2
      ["@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",

      // Stage 3
      "@babel/plugin-syntax-dynamic-import",
      "@babel/plugin-syntax-import-meta",
      ["@babel/plugin-proposal-class-properties", { "loose": true }],
      "@babel/plugin-proposal-json-strings",

      ["@babel/plugin-proposal-private-methods", { "loose": true }]
    ]
  }