node/test/parallel/test-internal-module-wrap.js
Chengzhong Wu d5c7ffd7b6
lib,src: iterate module requests of a module wrap in JS
Avoid repetitively calling into JS callback from C++ in
`ModuleWrap::Link`. This removes the convoluted callback style of the
internal `ModuleWrap` link step.

PR-URL: https://github.com/nodejs/node/pull/52058
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
2024-04-25 10:33:15 +00:00

26 lines
914 B
JavaScript

// Flags: --expose-internals
'use strict';
const common = require('../common');
const assert = require('assert');
const { internalBinding } = require('internal/test/binding');
const { ModuleWrap } = internalBinding('module_wrap');
const foo = new ModuleWrap('foo', undefined, 'export * from "bar";', 0, 0);
const bar = new ModuleWrap('bar', undefined, 'export const five = 5', 0, 0);
(async () => {
const moduleRequests = foo.getModuleRequests();
assert.strictEqual(moduleRequests.length, 1);
assert.strictEqual(moduleRequests[0].specifier, 'bar');
foo.link(['bar'], [bar]);
foo.instantiate();
assert.strictEqual(await foo.evaluate(-1, false), undefined);
assert.strictEqual(foo.getNamespace().five, 5);
// Check that the module requests are the same after linking, instantiate, and evaluation.
assert.deepStrictEqual(moduleRequests, foo.getModuleRequests());
})().then(common.mustCall());