@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' },
          },
        ],
      ],
    },
  },
};