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test-esm-export-not-found.mjs
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test-esm-export-not-found.mjs
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import { spawnPromisified } from '../common/index.mjs';
import * as fixtures from '../common/fixtures.mjs';
import assert from 'node:assert';
import { execPath } from 'node:process';
import { describe, it } from 'node:test';
const importStatement = 'import { foo, notfound } from \'./module-named-exports.mjs\';';
const importStatementMultiline = `import {
foo,
notfound
} from './module-named-exports.mjs';
`;
describe('ESM: nonexistent exports', { concurrency: !process.env.TEST_PARALLEL }, () => {
for (
const { name, input }
of [
{
input: importStatement,
name: 'single-line import',
},
{
input: importStatementMultiline,
name: 'multi-line import',
},
]
) {
it(`should throw for nonexistent exports via ${name}`, async () => {
const { code, stderr } = await spawnPromisified(execPath, [
'--input-type=module',
'--eval',
input,
], {
cwd: fixtures.path('es-module-loaders'),
});
assert.notStrictEqual(code, 0);
// SyntaxError: The requested module './module-named-exports.mjs'
// does not provide an export named 'notfound'
assert.match(stderr, /SyntaxError:/);
// The quotes ensure that the path starts with ./ and not ../
assert.match(stderr, /'\.\/module-named-exports\.mjs'/);
assert.match(stderr, /notfound/);
});
}
});