node/test/es-module/test-esm-preserve-symlinks.js
Bradley Farias c8a389e19f module: Allow runMain to be ESM
This follows the EPS an allows the node CLI to have ESM as an entry point.
`node ./example.mjs`. A newer V8 is needed for `import()` so that is not
included. `import.meta` is still in specification stage so that also is not
included.

PR-URL: https://github.com/nodejs/node/pull/14369
Author: Bradley Farias <bradley.meck@gmail.com>
Author: Guy Bedford <guybedford@gmail.com>
Author: Jan Krems <jan.krems@groupon.com>
Author: Timothy Gu <timothygu99@gmail.com>
Author: Michaël Zasso <targos@protonmail.com>
Author: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
2017-09-07 15:18:32 -05:00

38 lines
965 B
JavaScript

// Flags: --experimental-modules
'use strict';
const common = require('../common');
const { spawn } = require('child_process');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
common.refreshTmpDir();
const tmpDir = common.tmpDir;
const entry = path.join(tmpDir, 'entry.js');
const real = path.join(tmpDir, 'real.js');
const link_absolute_path = path.join(tmpDir, 'link.js');
fs.writeFileSync(entry, `
const assert = require('assert');
global.x = 0;
require('./real.js');
assert.strictEqual(x, 1);
require('./link.js');
assert.strictEqual(x, 2);
`);
fs.writeFileSync(real, 'x++;');
try {
fs.symlinkSync(real, link_absolute_path);
} catch (err) {
if (err.code !== 'EPERM') throw err;
common.skip('insufficient privileges for symlinks');
}
spawn(process.execPath,
['--experimental-modules', '--preserve-symlinks', entry],
{ stdio: 'inherit' }).on('exit', (code) => {
assert.strictEqual(code, 0);
});