Function loadWithHooks

lib/internal/modules/customization_hooks.js:365–397

* Load module source for a url, through a hooks chain if it exists. * @param {string} url * @param {string|undefined} originalFormat * @param {ImportAttributes|undefined} importAttributes * @param {string[]} conditions * @param {(url: string, context: ModuleLoadContext) => ModuleLoadResult} def

(url, originalFormat, importAttributes, conditions, defaultLoad, validateLoad)

 * @returns {ModuleLoadResult}
 */
function loadWithHooks(url, originalFormat, importAttributes, conditions, defaultLoad, validateLoad) {
  debug('loadWithHooks', url, originalFormat);
  const context = new ModuleLoadContext(originalFormat, importAttributes, conditions);
  if (loadHooks.length === 0) {
    return defaultLoad(url, context);
  }

  const runner = buildHooks(loadHooks, 'load', defaultLoad, validateLoad, context);

  const result = runner(url, context);
  const { source, format } = result;
  if (!isAnyArrayBuffer(source) && !isArrayBufferView(source)) {
    return result;
  }

  switch (format) {
    // Text formats:
    case undefined:
    case 'module':
    case 'commonjs':
    case 'json':
    case 'module-typescript':
    case 'commonjs-typescript':
    case 'typescript': {
      decoder ??= new (require('internal/encoding').TextDecoder)();
      result.source = decoder.decode(source);
      break;
    }
    default:
      break;
  }
  return result;
}

/**
 * Resolve module request to a url, through a hooks chain if it exists.