Node v20.15.0 (LTS)

Marco Ippolito

2024-06-20, Version 20.15.0 'Iron' (LTS), @marco-ippolito

test_runner: support test plans

It is now possible to count the number of assertions and subtests that are expected to run within a test. If the number of assertions and subtests that run does not match the expected count, the test will fail.

test('top level test', t => {
  t.plan(2);
  t.assert.ok('some relevant assertion here');
  t.subtest('subtest', () => {});
});

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Contributed by Colin Ihrig in #52860

inspector: introduce the `--inspect-wait` flag

This release introduces the --inspect-wait flag, which allows debugger to wait for attachement. This flag is useful when you want to debug the code from the beginning. Unlike --inspect-brk, which breaks on the first line, this flag waits for debugger to be connected and then runs the code as soon as a session is established.

Contributed by Kohei Ueno in #52734

zlib: expose zlib.crc32()

This release exposes the crc32() function from zlib to user-land.

It computes a 32-bit Cyclic Redundancy Check checksum of data. If value is specified, it is used as the starting value of the checksum, otherwise, 0 is used as the starting value.

The CRC algorithm is designed to compute checksums and to detect error in data transmission. It's not suitable for cryptographic authentication.

const zlib = require('node:zlib');
const { Buffer } = require('node:buffer');

let crc = zlib.crc32('hello'); // 907060870
crc = zlib.crc32('world', crc); // 4192936109

crc = zlib.crc32(Buffer.from('hello', 'utf16le')); // 1427272415
crc = zlib.crc32(Buffer.from('world', 'utf16le'), crc); // 4150509955

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Contributed by Joyee Cheung in #52692

cli: allow running wasm in limited vmem with --disable-wasm-trap-handler

By default, Node.js enables trap-handler-based WebAssembly bound checks. As a result, V8 does not need to insert inline bound checks int the code compiled from WebAssembly which may speedup WebAssembly execution significantly, but this optimization requires allocating a big virtual memory cage (currently 10GB). If the Node.js process does not have access to a large enough virtual memory address space due to system configurations or hardware limitations, users won't be able to run any WebAssembly that involves allocation in this virtual memory cage and will see an out-of-memory error.

$ ulimit -v 5000000
$ node -p "new WebAssembly.Memory({ initial: 10, maximum: 100 });"
[eval]:1
new WebAssembly.Memory({ initial: 10, maximum: 100 });
^

RangeError: WebAssembly.Memory(): could not allocate memory
    at [eval]:1:1
    at runScriptInThisContext (node:internal/vm:209:10)
    at node:internal/process/execution:118:14
    at [eval]-wrapper:6:24
    at runScript (node:internal/process/execution:101:62)
    at evalScript (node:internal/process/execution:136:3)
    at node:internal/main/eval_string:49:3

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--disable-wasm-trap-handler disables this optimization so that users can at least run WebAssembly (with a less optimial performance) when the virtual memory address space available to their Node.js process is lower than what the V8 WebAssembly memory cage needs.

Contributed by Joyee Cheung in #52766

Other Notable Changes

[12512c3d0e] - doc: add pimterry to collaborators (Tim Perry) #52874
[9d485b40bb] - (SEMVER-MINOR) tools: fix get_asan_state() in tools/test.py (Joyee Cheung) #52766
[e98c305f52] - (SEMVER-MINOR) tools: support max_virtual_memory test configuration (Joyee Cheung) #52766
[dce0300896] - (SEMVER-MINOR) tools: support != in test status files (Joyee Cheung) #52766

Commits

[227093bfec] - assert: add deep equal check for more Error type (Zhenwei Jin) #51805
[184cfe5a71] - benchmark: filter non-present deps from start-cli-version (Adam Majer) #51746
[8b3e83bb53] - buffer: even faster atob (Daniel Lemire) #52443
[8d628c3255] - buffer: use size_t instead of uint32_t to avoid segmentation fault (Xavier Stouder) #48033
[16ae2b2933] - buffer: remove lines setting indexes to integer value (Zhenwei Jin) #52588
[48c15d0dcd] - build: remove deprecated calls for argument groups (Mohammed Keyvanzadeh) #52913
[1be8232d17] - build: drop base64 dep in GN build (Cheng) #52856
[918962d6e7] - build: make simdjson a public dep in GN build (Cheng) #52755
[5215b6fd8e] - build, tools: copy release assets to staging R2 bucket once built (flakey5) #51394
[473fa73857] - (SEMVER-MINOR) cli: allow running wasm in limited vmem with --disable-wasm-trap-handler (Joyee Cheung) #52766
[954d2aded4] - cluster: replace forEach with for-of loop (Jérôme Benoit) #50317
[794e450ea7] - console: colorize console error and warn (Jithil P Ponnan) #51629
[0fb7c18f10] - crypto: fix duplicated switch-case return values (Mustafa Ateş UZUN) #49030
[cd1415c8b2] - Revert "crypto: make timingSafeEqual faster for Uint8Array" (Tobias Nießen) #53390
[b774544bb1] - deps: enable unbundling of simdjson, simdutf, ada (Daniel Lemire) #52924
[da4dbfc5fd] - doc: remove reference to AUTHORS file (Marco Ippolito) #52960
[2f3f2ff8af] - doc: update hljs with the latest styles (Aviv Keller) #52911
[3a1d17a9b1] - doc: mention quicker way to build docs (Alex Crawford) #52937
[be309bd19d] - doc: mention push.followTags config (Rafael Gonzaga) #52906
[e62c6e2684] - doc: document pipeline with end option (Alois Klink) #48970
[af27225cf6] - doc: add example for execFileSync method and ref to stdio (Evan Shortiss) #39412
[086626f9b1] - doc: add examples and notes to http server.close et al (mary marchini) #49091
[3aa3337a00] - doc: fix dns.lookup family 0 and all descriptions (Adam Jones) #51653
[585f2a2e7f] - doc: update fs.realpath documentation (sinkhaha) #48170
[4bf3d44e1d] - doc: update fs read documentation for clarity (Mert Can Altin) #52453
[ae5d47dde3] - doc: watermark string behavior (Benjamin Gruenbaum) #52842
[1e429d10d3] - doc: exclude commits with baking-for-lts (Marco Ippolito) #52896
[3df3e37cdb] - doc: add names next to release key bash commands (Aviv Keller) #52878
[12512c3d0e] - doc: add pimterry to collaborators (Tim Perry) #52874
[97e0fef019] - doc: add more definitions to GLOSSARY.md (Aviv Keller) #52798
[91fadac162] - doc: make docs more welcoming and descriptive for newcomers (Serkan Özel) #38056
[a3b20126fd] - doc: add OpenSSL errors to API docs (John Lamp) #34213
[9587ae9b5b] - doc: simplify copy-pasting of branch-diff commands (Antoine du Hamel) #52757
[6ea72a53c3] - doc: add test_runner to subsystem (Raz Luvaton) #52774
[972eafd983] - events: update MaxListenersExceededWarning message log (sinkhaha) #51921
[74753ed1fe] - events: add stop propagation flag to Event.stopImmediatePropagation (Mickael Meausoone) #39463
[75dd009649] - events: replace NodeCustomEvent with CustomEvent (Feng Yu) #43876
[7d38c2e012] - fs: keep fs.promises.readFile read until EOF is reached (Zhenwei Jin) #52178
[8cb13120d3] - (SEMVER-MINOR) inspector: introduce the --inspect-wait flag (Kohei Ueno) #52734
[d5ab1de1fd] - meta: move @anonrig to TSC regular member (Yagiz Nizipli) #52932
[f82d086e90] - path: fix toNamespacedPath on Windows (Hüseyin Açacak) #52915
[121ea13b50] - process: improve event-loop (Aras Abbasi) #52108
[eceac784aa] - repl: fix disruptive autocomplete without inspector (Nitzan Uziely) #40661
[89a910be82] - src: fix Worker termination in inspector.waitForDebugger (Daeyeon Jeong) #52527
[033f985e8a] - src: use S_ISDIR to check if the file is a directory (theanarkh) #52164
[95128399f8] - src: allow preventing debug signal handler start (Shelley Vohr) #46681
[b162aeae9e] - src: fix typo Unabled -> Unable (Simon Siefke) #52820
[2dcbf1894a] - src: avoid unused variable 'error' warning (Michaël Zasso) #52886
[978ee0a635] - src: only apply fix in main thread (Paolo Insogna) #52702
[8fc52b38c6] - src: fix test local edge case (Paolo Insogna) #52702
[d02907ecc4] - src: remove misplaced windows code under posix guard in node.cc (Ali Hassan) #52545
[af29120fa7] - stream: use ByteLengthQueuingStrategy when not in objectMode (Jason) #48847
[a5f3dd137c] - string_decoder: throw an error when writing a too long buffer (zhenweijin) #52215
[65fa95d57d] - test: add Debugger.setInstrumentationBreakpoint known issue (Konstantin Ulitin) #31137
[0513e07805] - test: use for-of instead of forEach (Gibby Free) #49790
[1d01325928] - test: verify request payload is uploaded consistently (Austin Wright) #34066
[7dda156872] - test: add fuzzer for native/js string conversion (Adam Korczynski) #51120
[5fb829b340] - test: add fuzzer for ClientHelloParser (AdamKorcz) #51088
[cc74bf789f] - test: fix broken env fuzzer by initializing process (AdamKorcz) #51080
[800b6f65cf] - test: replace forEach() in test-stream-pipe-unpipe-stream (Dario) #50786
[d08c9a6a31] - test: test pipeline end on transform streams (Alois Klink) #48970
[0be8123ede] - test: improve coverage of lib/readline.js (Rongjian Zhang) #38646
[410224415c] - test: updated for each to for of in test file (lyannel) #50308
[556e9a2127] - test: move test-http-server-request-timeouts-mixed to sequential (Madhuri) #45722
[0638274c07] - test: fix DNS cancel tests (Szymon Marczak) #44432
[311bdc62bd] - test: add http agent to executionAsyncResource (psj-tar-gz) #34966
[6001b164ab] - test: reduce memory usage of test-worker-stdio (Adam Majer) #37769
[986bfa26e9] - test: add common.expectRequiredModule() (Joyee Cheung) #52868
[2246d4fd1e] - test: crypto-rsa-dsa testing for dynamic openssl (Michael Dawson) #52781
[1dce5dea0b] - test: skip some console tests on dumb terminal (Adam Majer) #37770
[0addeb240c] - test: skip v8-updates/test-linux-perf-logger (Michaël Zasso) #52821
[56e19e38f3] - test: drop test-crypto-timing-safe-equal-benchmarks (Rafael Gonzaga) #52751
[0c5e58958c] - test, crypto: use correct object on assert (响马) #51820
[d54aa47ec1] - (SEMVER-MINOR) test_runner: support test plans (Colin Ihrig) #52860
[0289a023a5] - test_runner: fix watch mode race condition (Moshe Atlow) #52954
[cf817e192e] - test_runner: preserve hook promise when executed twice (Moshe Atlow) #52791
[de541235fe] - tools: fix v8-update workflow (Michaël Zasso) #52957
[f6290bc327] - tools: add --certify-safe to nci-ci (Matteo Collina) #52940
[0830b3115d] - tools: fix doc update action (Marco Ippolito) #52890
[9d485b40bb] - (SEMVER-MINOR) tools: fix get_asan_state() in tools/test.py (Joyee Cheung) #52766
[e98c305f52] - (SEMVER-MINOR) tools: support max_virtual_memory test configuration (Joyee Cheung) #52766
[dce0300896] - (SEMVER-MINOR) tools: support != in test status files (Joyee Cheung) #52766
[57006001ec] - tools: prepare custom rules for ESLint v9 (Michaël Zasso) #52889
[403a4a7557] - tools: update lint-md-dependencies to [email protected] (Node.js GitHub Bot) #52836
[01eff5860e] - tools: update gr2m/create-or-update-pull-request-action (Antoine du Hamel) #52843
[514f01ed59] - tools: use sccache GitHub action (Michaël Zasso) #52839
[8f8fb91927] - tools: specify a commit-message for V8 update workflow (Antoine du Hamel) #52844
[b83fbf8709] - tools: fix V8 update workflow (Antoine du Hamel) #52822
[be9d6f2176] - url,tools,benchmark: replace deprecated substr() (Jungku Lee) #51546
[7603a51d45] - util: fix %s format behavior with Symbol.toPrimitive (Chenyu Yang) #50992
[d7eba50cf3] - util: improve isInsideNodeModules (uzlopak) #52147
[4ae4f7e517] - watch: allow listening for grouped changes (Matthieu Sieben) #52722
[1ff8f318c0] - watch: enable passthrough ipc in watch mode (Zack) #50890
[739adf90b1] - watch: fix arguments parsing (Moshe Atlow) #52760
[5161d95c30] - (SEMVER-MINOR) zlib: expose zlib.crc32() (Joyee Cheung) #52692

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NextNode v22.3.0 (Current)