Function getDefaultLoad

lib/internal/modules/cjs/loader.js:1263–1273

* Construct a last nextLoad() for load hooks invoked for the CJS loader. * @param {string} url URL passed from the hook. * @param {string} filename Filename inferred from the URL. * @returns {(url: string, context: ModuleLoadContext) => ModuleLoadResult}

(url, filename)

 * @returns {(url: string, context: ModuleLoadContext) => ModuleLoadResult}
 */
function getDefaultLoad(url, filename) {
  return function defaultLoad(urlFromHook, context) {
    // If the url is the same as the original one, save the conversion.
    const isLoadingOriginalModule = (urlFromHook === url);
    const filenameFromHook = isLoadingOriginalModule ? filename : convertURLToCJSFilename(urlFromHook);
    const source = defaultLoadImpl(filenameFromHook, context.format);
    // Format from context is directly returned, because format detection should only be
    // done after the entire load chain is completed.
    return { source, format: context.format };
  };
}

/**
 * Load a specified builtin module, invoking load hooks if necessary.