.babelrc.js

const presets = [
  "@babel/preset-env",
  "@babel/preset-react"
];

const plugins = [
  "@babel/plugin-transform-react-jsx",

  // 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": false }],
  "@babel/plugin-proposal-json-strings"
];

module.exports = { presets, plugins };