.babelrc.js

const path = require('path');

const config = {
  presets: ['@babel/typescript', '@babel/preset-react'],
  env: {
    development: {
      presets: [ 
        [ '@babel/preset-env', {
          modules: process.env.SNOWPACK_PUBLIC_IS_SNOWPACK !== 'true' ? 'auto' : false
        }]
      ],
    },
    production: {
      presets: [
        [
          '@babel/preset-env',
          {
            modules: false,
          },
        ],
      ],
    },
    test: {
      presets: ['@babel/preset-env'],
      plugins: [
        [
          'nornj-loader',
          {
            extensions: ['.t.html'],
          },
        ],
      ],
    },
  },
  plugins: [
    '@babel/plugin-syntax-import-meta',
    '@babel/plugin-proposal-json-strings',
    [
      '@babel/plugin-proposal-decorators',
      {
        legacy: true,
      },
    ],
    [
      '@babel/plugin-proposal-class-properties',
      {
        loose: true,
      },
    ],
    '@babel/plugin-proposal-object-rest-spread',
    '@babel/plugin-transform-object-assign',
    [
      '@babel/plugin-transform-for-of',
      {
        loose: true,
      },
    ],
    '@babel/plugin-proposal-function-sent',
    '@babel/plugin-proposal-export-namespace-from',
    '@babel/plugin-proposal-numeric-separator',
    '@babel/plugin-proposal-throw-expressions',
    '@babel/plugin-proposal-export-default-from',
    '@babel/plugin-proposal-logical-assignment-operators',
    '@babel/plugin-proposal-optional-chaining',
    [
      '@babel/plugin-proposal-pipeline-operator',
      {
        proposal: 'minimal',
      },
    ],
    '@babel/plugin-proposal-nullish-coalescing-operator',
    '@babel/plugin-proposal-do-expressions',
    '@babel/plugin-proposal-function-bind',
    '@babel/plugin-external-helpers',
    '@babel/plugin-transform-runtime',
    'lodash',
    // 'react-refresh/babel',
  ],
};


module.exports = config;