@storybook/addon-coverage/.babelrc.js

Tools to support code coverage in Storybook

module.exports = {
  presets: [
    [
      "@babel/preset-env",
      {
        shippedProposals: true,
        useBuiltIns: "usage",
        corejs: "3",
        targets: { node: "14" },
      },
    ],
    "@babel/preset-typescript",
    "@babel/preset-react",
  ],
  env: {
    esm: {
      presets: [
        [
          "@babel/preset-env",
          {
            shippedProposals: true,
            useBuiltIns: "usage",
            corejs: "3",
            modules: false,
            targets: { chrome: "100" },
          },
        ],
      ],
    },
  },
};