nodejs-mozilla/test/es-module/test-esm-json.mjs

30 lines
792 B
JavaScript

// Flags: --experimental-json-modules
import '../common/index.mjs';
import { path } from '../common/fixtures.mjs';
import { strictEqual, ok } from 'assert';
import { spawn } from 'child_process';
import secret from '../fixtures/experimental.json';
strictEqual(secret.ofLife, 42);
// Test warning message
const child = spawn(process.execPath, [
'--experimental-json-modules',
path('/es-modules/json-modules.mjs')
]);
let stderr = '';
child.stderr.setEncoding('utf8');
child.stderr.on('data', (data) => {
stderr += data;
});
child.on('close', (code, signal) => {
strictEqual(code, 0);
strictEqual(signal, null);
ok(stderr.toString().includes(
'ExperimentalWarning: Importing JSON modules is an experimental feature. ' +
'This feature could change at any time'
));
});