Function createConfig

shared/rollup.config.mjs:12–40

({ pkg, external = [] })

 * @returns {import('rollup').RollupOptions}
 */
export function createConfig({ pkg, external = [] }) {
  return {
    input: 'src/index.ts',
    external: Object.keys(pkg.dependencies || {})
      .concat(Object.keys(pkg.peerDependencies || {}))
      .concat(builtinModules)
      .concat(external),
    onwarn: (warning) => {
      throw Object.assign(new Error(), warning);
    },
    strictDeprecations: true,
    output: [
      {
        format: 'cjs',
        file: pkg.main,
        exports: 'named',
        footer: 'module.exports = Object.assign(exports.default, exports);',
        sourcemap: true
      },
      {
        format: 'es',
        file: pkg.module,
        plugins: [emitModulePackageFile()],
        sourcemap: true
      }
    ],
    plugins: [typescript({ sourceMap: true })]
  };
}

export function emitModulePackageFile() {
  return {