nodejs/test/parallel/test-binding-constants.js
Chengzhong Wu a436f7b492
fs: unexpose internal constants
`EXTENSIONLESS_FORMAT_JAVASCRIPT` and `EXTENSIONLESS_FORMAT_WASM` are
only used internally through binding `getFormatOfExtensionlessFile`.
They should not be exposed publicly.

PR-URL: https://github.com/nodejs/node/pull/58327
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
2025-05-16 19:40:17 +00:00

34 lines
1.1 KiB
JavaScript

// Flags: --expose-internals
'use strict';
require('../common');
const { internalBinding } = require('internal/test/binding');
const constants = internalBinding('constants');
const assert = require('assert');
assert.deepStrictEqual(
Object.keys(constants).sort(), ['crypto', 'fs', 'internal', 'os', 'trace', 'zlib']
);
assert.deepStrictEqual(
Object.keys(constants.os).sort(), ['UV_UDP_REUSEADDR', 'dlopen', 'errno',
'priority', 'signals']
);
// Make sure all the constants objects don't inherit from Object.prototype
const inheritedProperties = Object.getOwnPropertyNames(Object.prototype);
function test(obj) {
assert(obj);
assert.strictEqual(Object.prototype.toString.call(obj), '[object Object]');
assert.strictEqual(Object.getPrototypeOf(obj), null);
inheritedProperties.forEach((property) => {
assert.strictEqual(property in obj, false);
});
}
[
constants, constants.crypto, constants.fs, constants.internal, constants.os, constants.trace,
constants.zlib, constants.os.dlopen, constants.os.errno, constants.os.signals,
].forEach(test);