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esm: fix inconsistency with importAssertion in resolve hook

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As the documentation states, the `context.importAssertion` should be
still supported and emit a warning. This is true for the `load` hook,
but not correct for context of the `resolve` hook.

This commit fixes the inconsistency.

PR-URL: https://github.com/nodejs/node/pull/55365
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This commit is contained in:
Wei Zhu 2024-10-16 05:32:07 +10:30 • committed by GitHub
parent 4dc76a990f
commit c0aebed4b3
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3 changed files with 11 additions and 4 deletions
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2
lib/internal/modules/esm/hooks.js
View file

@ -237,7 +237,7 @@ class Hooks {
const nextResolve = nextHookFactory(chain[chain.length - 1], meta, { validateArgs, validateOutput });
const resolution = await nextResolve(originalSpecifier, context);
const resolution = await nextResolve(originalSpecifier, defineImportAssertionAlias(context));
const { hookErrIdentifier } = meta; // Retrieve the value after all settled
validateOutput(hookErrIdentifier, resolution);

9
test/es-module/test-esm-import-assertion-warning.mjs
View file

@ -7,6 +7,11 @@ await Promise.all([
`data:text/javascript,export ${encodeURIComponent(function resolve() {
return { shortCircuit: true, url: 'data:application/json,1', importAssertions: { type: 'json' } };
})}`,
// Using importAssertions on the context object of the resolve hook should warn but still work.
`data:text/javascript,export ${encodeURIComponent(function resolve(s, c, n) {
const type = c.importAssertions.type;
return { shortCircuit: true, url: 'data:application/json,1', importAttributes: { type: type ?? 'json' } };
})}`,
// Setting importAssertions on the context object of the load hook should warn but still work.
`data:text/javascript,export ${encodeURIComponent(function load(u, c, n) {
c.importAssertions = { type: 'json' };
@ -22,9 +27,9 @@ await Promise.all([
'--eval', `
import assert from 'node:assert';
import { register } from 'node:module';
register(${JSON.stringify(loaderURL)});
assert.deepStrictEqual(
{ ...await import('data:') },
{ default: 1 }

4
test/fixtures/es-module-loaders/hooks-input.mjs vendored
View file

@ -37,6 +37,7 @@ export async function resolve(specifier, context, next) {
'conditions',
'importAttributes',
'parentURL',
'importAssertions',
]);
assert.ok(Array.isArray(context.conditions));
assert.strictEqual(typeof next, 'function');
@ -71,9 +72,10 @@ export async function load(url, context, next) {
assert.ok(new URL(url));
// Ensure `context` has all and only the properties it's supposed to
assert.deepStrictEqual(Object.keys(context), [
assert.deepStrictEqual(Reflect.ownKeys(context), [
'format',
'importAttributes',
'importAssertions',
]);
assert.strictEqual(context.format, 'test');
assert.strictEqual(typeof next, 'function');