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'use strict';
const common = require('../common');
const { spawn } = require('child_process');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const tmpDir = tmpdir.path;
fs.mkdirSync(path.join(tmpDir, 'nested'));
fs.mkdirSync(path.join(tmpDir, 'nested2'));
const entry = path.join(tmpDir, 'nested', 'entry.js');
const entry_link_absolute_path = path.join(tmpDir, 'link.js');
const submodule = path.join(tmpDir, 'nested2', 'submodule.js');
const submodule_link_absolute_path = path.join(tmpDir, 'submodule_link.js');
fs.writeFileSync(entry, `
const assert = require('assert');
// this import only resolves with --preserve-symlinks-main set
require('./submodule_link.js');
`);
fs.writeFileSync(submodule, '');
try {
fs.symlinkSync(entry, entry_link_absolute_path);
fs.symlinkSync(submodule, submodule_link_absolute_path);
} catch (err) {
if (err.code !== 'EPERM') throw err;
common.skip('insufficient privileges for symlinks');
}
function doTest(flags, done) {
// Invoke the main file via a symlink. In this case --preserve-symlinks-main
// dictates that it'll resolve relative imports in the main file relative to
// the symlink, and not relative to the symlink target; the file structure set
// up above requires this to not crash when loading ./submodule_link.js
spawn(process.execPath,
flags.concat([
'--preserve-symlinks',
'--preserve-symlinks-main', entry_link_absolute_path
]),
{ stdio: 'inherit' }).on('exit', (code) => {
assert.strictEqual(code, 0);
done();
});
}
// first test the commonjs module loader
doTest([], () => {
// now test the new loader
doTest(['--experimental-modules'], () => {});
});
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