node/test/es-module/test-require-module-tla-retry-import-2.js
Joyee Cheung 7cb3a662da
module: allow ESM that failed to be required to be re-imported
When a ESM module cannot be loaded by require due to the presence
of TLA, its module status would be stopped at kInstantiated. In
this case, when it's imported again, we should allow it to be
evaluated asynchronously, as it's also a common pattern for users
to retry with dynamic import when require fails.

PR-URL: https://github.com/nodejs/node/pull/55502
Fixes: https://github.com/nodejs/node/issues/55500
Refs: https://github.com/nodejs/node/issues/52697
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
2024-10-28 12:21:22 +00:00

27 lines
799 B
JavaScript

// This tests that after loading a ESM with import() and then retrying
// with require(), it errors as expected, and produces consistent results.
'use strict';
const common = require('../common');
const assert = require('assert');
let ns;
async function test() {
const newNs = await import('../fixtures/es-modules/tla/export-async.mjs');
if (ns === undefined) {
ns = newNs;
} else {
// Check that re-evalaution is returning the same namespace.
assert.strictEqual(ns, newNs);
}
assert.strictEqual(ns.hello, 'world');
assert.throws(() => {
require('../fixtures/es-modules/tla/export-async.mjs');
}, {
code: 'ERR_REQUIRE_ASYNC_MODULE'
});
}
// Run the test twice to check consistency after caching.
test().then(common.mustCall(test)).catch(common.mustNotCall());