Method constructor

lib/internal/vm/module.js:462–491

(exportNames, evaluateCallback, options = kEmptyObject)

class SyntheticModule extends Module {
  constructor(exportNames, evaluateCallback, options = kEmptyObject) {
    if (!ArrayIsArray(exportNames) ||
      ArrayPrototypeSome(exportNames, (e) => typeof e !== 'string')) {
      throw new ERR_INVALID_ARG_TYPE('exportNames',
                                     'Array of unique strings',
                                     exportNames);
    } else {
      ArrayPrototypeForEach(exportNames, (name, i) => {
        if (ArrayPrototypeIndexOf(exportNames, name, i + 1) !== -1) {
          throw new ERR_INVALID_ARG_VALUE(`exportNames.${name}`,
                                          name,
                                          'is duplicated');
        }
      });
    }
    validateFunction(evaluateCallback, 'evaluateCallback');

    validateObject(options, 'options');

    const { context, identifier } = options;

    super({
      syntheticExportNames: exportNames,
      syntheticEvaluationSteps: evaluateCallback,
      context,
      identifier,
    });
    // A synthetic module does not have dependencies.
    this[kWrap].instantiate();
  }

  link() {
    validateThisInternalField(this, kWrap, 'SyntheticModule');