module: add dynamic file-specific ESM warnings · nodejs/node@718305d

import { skip, spawnPromisified } from '../common/index.mjs';

import * as fixtures from '../common/fixtures.mjs';

import { match, strictEqual } from 'node:assert';

import assert, { match, strictEqual } from 'node:assert';

import { test } from 'node:test';

if (!process.config.variables.node_use_amaro) skip('Requires Amaro');

});

test('expect failure of an .mts file with CommonJS syntax', async () => {

const result = await spawnPromisified(process.execPath, [

fixtures.path('typescript/cts/test-cts-but-module-syntax.cts'),

]);

strictEqual(result.stdout, '');

match(result.stderr, /To load an ES module, set "type": "module" in the package\.json or use the \.mjs extension\./);

strictEqual(result.code, 1);

const testFilePath = fixtures.path(

'typescript/cts/test-cts-but-module-syntax.cts'

);

const result = await spawnPromisified(process.execPath, [testFilePath]);

assert.strictEqual(result.stdout, '');

const expectedWarning = `Failed to load the ES module: ${testFilePath}. Make sure to set "type": "module" in the nearest package.json file or use the .mjs extension.`;

try {

assert.ok(

result.stderr.includes(expectedWarning),

`Expected stderr to include: ${expectedWarning}`

);

} catch (e) {

if (e?.code === 'ERR_ASSERTION') {

assert.match(

result.stderr,

/Failed to load the ES module:.*test-cts-but-module-syntax\.cts/

);

e.expected = expectedWarning;

e.actual = result.stderr;

e.operator = 'includes';

}

throw e;

}

assert.strictEqual(result.code, 1);

});

test('execute a .cts file importing a .cts file', async () => {