babel.config.cjs

const path = require('node:path');

module.exports = {
  env: {
    cjs: {
      browserslistEnv: "isomorphic-production",
      presets: [
        [
          '@babel/preset-env',
          {
            debug: false,
            modules: "commonjs",
            loose: true,
            useBuiltIns: false,
            forceAllTransforms: false,
            ignoreBrowserslistConfig: false,
          },
        ],
      ],
      plugins: [
        [path.join(__dirname, './scripts/babel-plugin-add-import-extension.cjs'), { extension: 'cjs' }],
        ['module-resolver', {
          resolvePath(sourcePath, currentFile) {
            if (sourcePath === 'apg-lite') {
              const apgLiteCJS = path.resolve('./src/apg-lite.cjs');
              const currentDir = path.dirname(currentFile);
              return path.relative(currentDir, apgLiteCJS);
            }
            return sourcePath;
          },
        }]
      ],
    },
    es: {
      browserslistEnv: "isomorphic-production",
      presets: [
        [
          '@babel/preset-env',
          {
            debug: false,
            modules: false,
            useBuiltIns: false,
            forceAllTransforms: false,
            ignoreBrowserslistConfig: false,
          },
        ],
      ],
      plugins: [
        [path.join(__dirname, './scripts/babel-plugin-add-import-extension.cjs'), { extension: 'mjs' }],
      ],
    },
  },
};