Property enumerator methods like `Object.getOwnPropertyNames`,
`Object.getOwnPropertySymbols`, and `Object.keys` all invokes the
named property enumerator interceptor. V8 will filter the result based
on the invoked enumerator variant. Fix the enumerator interceptor to
return all potential properties.
PR-URL: https://github.com/nodejs/node/pull/54522
Refs: https://github.com/jsdom/jsdom/issues/3688
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
This implements a flavor of vm.createContext() and friends
that creates a context without contextifying its global object.
This is suitable when users want to freeze the context (impossible
when the global is contextified i.e. has interceptors installed)
or speed up the global access if they don't need the interceptor
behavior.
```js
const vm = require('node:vm');
const context = vm.createContext(vm.constants.DONT_CONTEXTIFY);
// In contexts with contextified global objects, this is false.
// In vanilla contexts this is true.
console.log(vm.runInContext('globalThis', context) === context);
// In contexts with contextified global objects, this would throw,
// but in vanilla contexts freezing the global object works.
vm.runInContext('Object.freeze(globalThis);', context);
// In contexts with contextified global objects, freezing throws
// and won't be effective. In vanilla contexts, freezing works
// and prevents scripts from accidentally leaking globals.
try {
vm.runInContext('globalThis.foo = 1; foo;', context);
} catch(e) {
console.log(e); // Uncaught ReferenceError: foo is not defined
}
console.log(context.Array); // [Function: Array]
```
PR-URL: https://github.com/nodejs/node/pull/54394
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
This patch adds the following API for tools to enable compile
cache dynamically and query its status.
- module.enableCompileCache(cacheDir)
- module.getCompileCacheDir()
In addition this adds a NODE_DISABLE_COMPILE_CACHE environment
variable to disable the code cache enabled by the APIs as
an escape hatch to avoid unexpected/undesired effects of
the compile cache (e.g. less precise test coverage).
When the module.enableCompileCache() method is invoked without
a specified directory, Node.js will use the value of
the NODE_COMPILE_CACHE environment variable if it's set, or
defaults to `path.join(os.tmpdir(), 'node-compile-cache')`
otherwise. Therefore it's recommended for tools to call this
method without specifying the directory to allow overrides.
PR-URL: https://github.com/nodejs/node/pull/54501
Fixes: https://github.com/nodejs/node/issues/53639
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
These objects are dictionaries, and a query can return columns with
special names like `__proto__` (which would be ignored without this
change).
Also construct the object by passing vectors of properties for better
performance and improve error handling by using `MaybeLocal`.
PR-URL: https://github.com/nodejs/node/pull/54350
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This only served as a preemptive check, but serializing this in
the snapshot would make it unreproducible on different hardware.
In the current cached data version tag, the V8 version can already
be checked as part of the existing Node.js version check. The V8
flags aren't necessarily important for snapshot/code cache mismatches
(only a small subset are), and the CPU features currently don't
matter, so doing an exact match is stricter than necessary.
Removing the check to help making the snapshot more reproducible on
different hardware.
PR-URL: https://github.com/nodejs/node/pull/54122
Refs: https://github.com/nodejs/build/issues/3043
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
This commit introduces a new --experimental-test-isolation flag
that, when set to 'none', causes the test runner to execute all
tests in the same process. By default, this is the main test
runner process, but if watch mode is enabled, it spawns a separate
process that runs all of the tests.
The default value of the new flag is 'process', which uses the
existing behavior of running each test file in its own child
process.
It is worth noting that when the isolation mode is 'none', globals
and all other top level logic (such as top level before() and after()
hooks) is shared among all files.
Co-authored-by: Moshe Atlow <moshe@atlow.co.il>
PR-URL: https://github.com/nodejs/node/pull/53927
Fixes: https://github.com/nodejs/node/issues/51548
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This refactors the compile cache handler in preparation for the
JS API, and updates the compile cache storage structure into:
- $NODE_COMPILE_CACHE_DIR
- $NODE_VERION-$ARCH-$CACHE_DATA_VERSION_TAG-$UID
- $FILENAME_AND_MODULE_TYPE_HASH.cache
This also adds a magic number to the beginning of the cache
files for verification, and returns the status, compile
cache directory and/or error message of enabling the
compile cache in a structure, which can be converted as
JS counterparts by the upcoming JS API.
PR-URL: https://github.com/nodejs/node/pull/54291
Refs: https://github.com/nodejs/node/issues/53639
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Adds a debug-only macro that can be used to track when a V8 fast API is
called. A map of counters is maintained in in thread-local storage and
an internal API can be called to get the total count associated with
a call id.
Specific tests are added and `crypto.timingSafeEqual` as well as
internal documentation are updated to show how to use the macro
and test fast API calls without running long loops.
PR-URL: https://github.com/nodejs/node/pull/54317
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Joyee Cheung