Function resolve

tests/loader.mjs:14–26

(specifier, ctx, nextResolve)

 * @type {import('node:module').ResolveHook}
 */
export async function resolve(specifier, ctx, nextResolve) {
  const ext = extname(specifier);
  if (ext === '.css' || ext === '.scss') {
    // For CSS/SCSS, return the mock CSS module and skip default resolution.
    return {
      format: 'module',
      url: css,
      shortCircuit: true,
    };
  }

  return nextResolve(specifier);
}

/**
 *