timers: add experimental scheduler api #40909

jasnell · 2021-11-21T16:28:03Z

Adds experimental implementations of the yield and wait APIs being
explored at https://github.com/WICG/scheduling-apis.

When I asked the WHATWG folks about the possibility of standardizing the
awaitable versions of setTimeout/setImmediate
that we have implemented in timers/promises, they pointed at the work
in progress scheduling APIs draft as they direction they'll be going.
While there is definitely a few thing in that draft that have
questionable utility to Node.js, the yield and wait APIs map cleanly to
the setImmediate and setTimeout we already have.

const { scheduler } = require('timers/promises');

await scheduler.wait(1000);  // Continue after 1 second

await scheduler.yield();  // Continue after this turn of the event loop

Signed-off-by: James M Snell jasnell@gmail.com

/cc @mcollina

benjamingr

This is really cool. Note when I proposed implementing the "overlaying" API (scheduler.postTask) in the past people were opposed in core.

jasnell · 2021-11-21T16:33:22Z

Yep, I happen to agree that postTask() likely doesn't make sense here, but I'm certainly willing to entertain it, but not in this PR :-)

benjamingr · 2021-11-21T17:08:57Z

cc @nodejs/timers

benjamingr · 2021-11-21T17:09:05Z

Are there WPTs for this API?

jasnell · 2021-11-21T17:47:29Z

Not yet. There are scheduler API tests in WPT but they currently focus entirely on the postTask and TaskManager APIs.

devsnek · 2021-11-21T17:53:12Z

this is very cool. shouldn't it be flagged if it's experimental?

jasnell · 2021-11-21T18:18:00Z

Since it requires explicit opt in by requiring, a flag shouldn't be necessary and really wouldn't be helpful

mcollina

lgtm

lib/timers/promises.js

Mesteery · 2021-11-21T23:04:40Z

Shouldn't the Scheduler constructor be private like for Performance?

new performance.constructor; // illegal
new timers.promises.scheduler.constructor; // allowed, in Chrome: illegal

doc/api/timers.md

@bnb

Notable changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

Notable changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richarad Lau #41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) #40813 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richard Lau #41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) #40813 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richard Lau #41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) #40813 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richard Lau #41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) #40813 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richard Lau #41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) #41050 * deps: * upgrade npm to 8.3.0 (npm team) #41127 * doc: * add @bnb as a collaborator (Tierney Cyren) #41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) #40813 * timers: * add experimental scheduler api (James M Snell) #40909 PR-URL: #41167

Adds experimental implementations of the yield and wait APIs being explored at https://github.com/WICG/scheduling-apis. When I asked the WHATWG folks about the possibility of standardizing the [awaitable versions of setTimeout/setImmediate](whatwg/html#7340) that we have implemented in `timers/promises`, they pointed at the work in progress scheduling APIs draft as they direction they'll be going. While there is definitely a few thing in that draft that have questionable utility to Node.js, the yield and wait APIs map cleanly to the setImmediate and setTimeout we already have. Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: #40909 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>

Adds experimental implementations of the yield and wait APIs being explored at https://github.com/WICG/scheduling-apis. When I asked the WHATWG folks about the possibility of standardizing the [awaitable versions of setTimeout/setImmediate](whatwg/html#7340) that we have implemented in `timers/promises`, they pointed at the work in progress scheduling APIs draft as they direction they'll be going. While there is definitely a few thing in that draft that have questionable utility to Node.js, the yield and wait APIs map cleanly to the setImmediate and setTimeout we already have. Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: nodejs#40909 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>

@bnb

OpenSSL-3.0.1: OpenSSL-3.0.1 contains a fix for CVE-2021-4044: Invalid handling of X509_verify_cert() internal errors in libssl (Moderate). This is a vulnerability in OpenSSL that may be exploited through Node.js. More information can be read here: https://www.openssl.org/news/secadv/20211214.txt. Contributed by Richard Lau nodejs#41177 Other Notable Changes: * lib: * make AbortSignal cloneable/transferable (James M Snell) nodejs#41050 * deps: * upgrade npm to 8.3.0 (npm team) nodejs#41127 * doc: * add @bnb as a collaborator (Tierney Cyren) nodejs#41100 * process: * add `getActiveResourcesInfo()` (Darshan Sen) nodejs#40813 * timers: * add experimental scheduler api (James M Snell) nodejs#40909 PR-URL: nodejs#41167

Adds experimental implementations of the yield and wait APIs being explored at https://github.com/WICG/scheduling-apis. When I asked the WHATWG folks about the possibility of standardizing the [awaitable versions of setTimeout/setImmediate](whatwg/html#7340) that we have implemented in `timers/promises`, they pointed at the work in progress scheduling APIs draft as they direction they'll be going. While there is definitely a few thing in that draft that have questionable utility to Node.js, the yield and wait APIs map cleanly to the setImmediate and setTimeout we already have. Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: #40909 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>

@bnb

Notable changes: * doc: * add Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909

@bnb

Notable changes: * doc: * add Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909

@bnb

Notable changes: * doc: * add Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909

@bnb

Notable changes: * doc: * add Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes * async_hooks: * (SEMVER-MINOR) expose async\_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) add support for JSON import assertion (Antoine du Hamel) #40250 * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```js import info from './package.json' assert { type: 'json' }; // or using dynamic import: const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) https://github.com/nodejs/node/pull41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) https://github.com/nodejs/node/pull41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```mjs import info from './package.json' assert { type: 'json' }; ``` Or use dynamic import: ```mjs const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) https://github.com/nodejs/node/pull41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) https://github.com/nodejs/node/pull41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```mjs import info from './package.json' assert { type: 'json' }; ``` Or use dynamic import: ```mjs const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```mjs import info from './package.json' assert { type: 'json' }; ``` Or use dynamic import: ```mjs const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```mjs import info from './package.json' assert { type: 'json' }; ``` Or use dynamic import: ```mjs const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

@Mesteery

Notable changes: Importing JSON modules now requires experimental import assertions syntax This release adds experimental support for the import assertions stage 3 proposal. To keep Node.js ESM implementation as compatible as possible with the HTML spec, import assertions are now required to import JSON modules (still behind the `--experimental-json-modules` CLI flag): ```mjs import info from './package.json' assert { type: 'json' }; ``` Or use dynamic import: ```mjs const info = await import('./package.json', { assert: { type: 'json' } }); ``` Contributed by Antoine du Hamel and Geoffrey Booth #40250 Other notable changes: * async_hooks: * (SEMVER-MINOR) expose async_wrap providers (Rafael Gonzaga) #40760 * child_process: * (SEMVER-MINOR) add support for URL to `cp.fork` (Antoine du Hamel) #41225 * doc: * add @Mesteery to collaborators (Mestery) #41543 * add @bnb as a collaborator (Tierney Cyren) #41100 * esm: * (SEMVER-MINOR) graduate capturerejections to supported (James M Snell) #41267 * (SEMVER-MINOR) add EventEmitterAsyncResource to core (James M Snell) #41246 * events: * (SEMVER-MINOR) propagate weak option for kNewListener (James M Snell) #40899 * fs: * (SEMVER-MINOR) accept URL as argument for `fs.rm` and `fs.rmSync` (Antoine du Hamel) #41132 * lib: * (SEMVER-MINOR) make AbortSignal cloneable/transferable (James M Snell) #41050 * (SEMVER-MINOR) add AbortSignal.timeout (James M Snell) #40899 * (SEMVER-MINOR) add reason to AbortSignal (James M Snell) #40807 * (SEMVER-MINOR) add unsubscribe method to non-active DC channels (simon-id) #40433 * (SEMVER-MINOR) add return value for DC channel.unsubscribe (simon-id) #40433 * loader: * (SEMVER-MINOR) return package format from defaultResolve if known (Gabriel Bota) #40980 * perf_hooks: * (SEMVER-MINOR) multiple fixes for Histogram (James M Snell) #41153 * process: * (SEMVER-MINOR) add `getActiveResourcesInfo()` (Darshan Sen) #40813 * src: * (SEMVER-MINOR) add x509.fingerprint512 to crypto module (3nprob) #39809 * (SEMVER-MINOR) add flags for controlling process behavior (Cheng Zhao) #40339 * stream: * (SEMVER-MINOR) add filter method to readable (Benjamin Gruenbaum) #41354 * (SEMVER-MINOR) add isReadable helper (Robert Nagy) #41199 * (SEMVER-MINOR) add map method to Readable (Benjamin Gruenbaum) #40815 * deprecate thenable support (Antoine du Hamel) #40860 * util: * (SEMVER-MINOR) pass through the inspect function to custom inspect functions (Ruben Bridgewater) #41019 * (SEMVER-MINOR) add numericSeparator to util.inspect (Ruben Bridgewater) #41003 * (SEMVER-MINOR) always visualize cause property in errors during inspection (Ruben Bridgewater) #41002 * timers: * (SEMVER-MINOR) add experimental scheduler api (James M Snell) #40909 * v8: * (SEMVER-MINOR) multi-tenant promise hook api (Stephen Belanger) #39283 PR-URL: #41804

jasnell added timers Issues and PRs related to the timers subsystem / setImmediate, setInterval, setTimeout. semver-minor PRs that contain new features and should be released in the next minor version. experimental Issues and PRs related to experimental features. labels Nov 21, 2021

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This was referenced Nov 24, 2021

CI Reliability 2021-11-24 nodejs/reliability#127

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CI Reliability 2021-11-25 nodejs/reliability#128

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sindresorhus mentioned this pull request Nov 25, 2021

Rule proposal: prefer-queue-microtask sindresorhus/eslint-plugin-unicorn#1346

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CI Reliability 2021-11-26 nodejs/reliability#129

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CI Reliability 2021-11-27 nodejs/reliability#130

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danielleadams mentioned this pull request Feb 1, 2022

v16.14.0 proposal #41804

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QuentinGruber mentioned this pull request Mar 29, 2022

change promise timer with scheduler api QuentinGruber/h1z1-server#774

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timers: add experimental scheduler api #40909

timers: add experimental scheduler api #40909

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timers: add experimental scheduler api #40909

timers: add experimental scheduler api #40909

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