* {string\[]}

The specifiers of all dependencies of this module. The returned array is frozen

to disallow any changes to it.

Corresponds to the `[[RequestedModules]]` field of [Cyclic Module Record][]s in

the ECMAScript specification.

const kDependencySpecifiers = Symbol('kDependencySpecifiers');

this[kDependencySpecifiers] = undefined;

const moduleRequests = this[kWrap].getModuleRequests();

const specifiers = Array(moduleRequests.length);

const modulePromises = Array(moduleRequests.length);

for (let idx = 0; idx < moduleRequests.length; idx++) {

const { specifier, attributes } = moduleRequests[idx];

validateThisInternalField(this, kDependencySpecifiers, 'SourceTextModule');

// TODO(legendecas): add a new getter to expose the import attributes as the value type

// of [[RequestedModules]] is changed in https://tc39.es/proposal-import-attributes/#table-cyclic-module-fields.

this[kDependencySpecifiers] ??= ObjectFreeze(

ArrayPrototypeMap(this[kWrap].getModuleRequests(), (request) => request.specifier));

return this[kDependencySpecifiers];

validateThisInternalField(this, kDependencySpecifiers, 'SourceTextModule');

validateThisInternalField(this, kDependencySpecifiers, 'SourceTextModule');

const importModuleDynamicallyWrapper = async (...args) => {

const m = await ReflectApply(importModuleDynamically, this, args);

return Object::New(

return Array::New(isolate, requests.data(), requests.size());

const expectedError = { code: 'ERR_INVALID_THIS' };

}, expectedError);

}, expectedError);

// `dependencySpecifiers` getter is just part of SourceTextModule

assert.throws(() => {

// eslint-disable-next-line no-unused-expressions

SourceTextModule.prototype.dependencySpecifiers;

}, expectedError);