node/test/fixtures/es-module-loaders/hooks-input.mjs
Wei Zhu c0aebed4b3
esm: fix inconsistency with importAssertion in resolve hook
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>
2024-10-15 21:02:07 +02:00

93 lines
2.5 KiB
JavaScript

// This is expected to be used by test-esm-loader-hooks.mjs via:
// node --loader ./test/fixtures/es-module-loaders/hooks-input.mjs ./test/fixtures/es-modules/json-modules.mjs
import assert from 'assert';
import { writeSync } from 'fs';
import { readFile } from 'fs/promises';
import { fileURLToPath } from 'url';
let resolveCalls = 0;
let loadCalls = 0;
export async function resolve(specifier, context, next) {
resolveCalls++;
let url;
if (resolveCalls === 1) {
url = new URL(specifier).href;
assert.match(specifier, /json-modules\.mjs$/);
if (!(/\[eval\d*\]$/).test(context.parentURL)) {
assert.strictEqual(context.parentURL, undefined);
}
assert.deepStrictEqual(context.importAttributes, {});
} else if (resolveCalls === 2) {
url = new URL(specifier, context.parentURL).href;
assert.match(specifier, /experimental\.json$/);
assert.match(context.parentURL, /json-modules\.mjs$/);
assert.deepStrictEqual(context.importAttributes, {
type: 'json',
});
}
// Ensure `context` has all and only the properties it's supposed to
assert.deepStrictEqual(Reflect.ownKeys(context), [
'conditions',
'importAttributes',
'parentURL',
'importAssertions',
]);
assert.ok(Array.isArray(context.conditions));
assert.strictEqual(typeof next, 'function');
const returnValue = {
url,
format: 'test',
shortCircuit: true,
}
writeSync(1, JSON.stringify(returnValue) + '\n'); // For the test to validate when it parses stdout
return returnValue;
}
export async function load(url, context, next) {
loadCalls++;
const source = await readFile(fileURLToPath(url));
let format;
if (loadCalls === 1) {
assert.match(url, /json-modules\.mjs$/);
assert.deepStrictEqual(context.importAttributes, {});
format = 'module';
} else if (loadCalls === 2) {
assert.match(url, /experimental\.json$/);
assert.deepStrictEqual(context.importAttributes, {
type: 'json',
});
format = 'json';
}
assert.ok(new URL(url));
// Ensure `context` has all and only the properties it's supposed to
assert.deepStrictEqual(Reflect.ownKeys(context), [
'format',
'importAttributes',
'importAssertions',
]);
assert.strictEqual(context.format, 'test');
assert.strictEqual(typeof next, 'function');
const returnValue = {
source,
format,
shortCircuit: true,
};
writeSync(1, JSON.stringify(returnValue) + '\n'); // For the test to validate when it parses stdout
return returnValue;
}