async_hooks: add AsyncResource.bind utility #34574

jasnell · 2020-07-31T02:58:04Z

Creates an internal AsyncResource and binds a function to it,
ensuring that the function is invoked within execution context
in which bind was called.

This is suggested as a solution for #33723 and is a simple utility over what can already be done with AsyncResource.

/cc @addaleax @puzpuzpuz @ronag @Qard @devsnek @targos

Checklist

make -j4 test (UNIX), or vcbuild test (Windows) passes
tests and/or benchmarks are included
documentation is changed or added
commit message follows commit guidelines

nodejs-github-bot · 2020-07-31T02:58:07Z

Lite-CI: https://ci.nodejs.org/job/node-test-pull-request-lite-pipeline/4183

lib/async_hooks.js

Qard · 2020-07-31T03:04:21Z

It would be nice if bind was an instance method so one could easily bind an already created resource and then maybe the static version could just use that internally. 🤔

jasnell · 2020-07-31T03:17:27Z

@devsnek ... updated!
@Qard ... good idea, updated!

What becomes obvious is that this is a very simple utility that wraps something that can already be done but eliminates some boilerplate.

devsnek · 2020-07-31T03:20:37Z

lib/async_hooks.js

+  }
+
+  static bind(fn, type = fn?.name) {
+    return (new AsyncResource(type || 'bound-anonymous-fn')).bind(fn);


no points will be deducted for using a temporary variable :P

parentheses unnecessary?

Yeah but stylistically I prefer them (more readable in my opinion)

jasnell · 2020-07-31T03:34:18Z

Getting the super duper helpful error... acorn apparently doesn't like the optional chaining yet... sigh.

mkdir -p out/doc/api
cp -r doc/api out/doc
if [ -x /home/james/node/node/./node ] && [ -e /home/james/node/node/./node ]; then /home/james/node/node/./node  tools/doc/apilinks.js out/doc/apilinks.json lib/_http_client.js lib/net.js lib/_tls_wrap.js lib/http.js lib/dns.js lib/tls.js lib/path.js lib/domain.js lib/timers.js lib/_http_outgoing.js lib/child_process.js lib/_http_agent.js lib/tty.js lib/querystring.js lib/wasi.js lib/module.js lib/url.js lib/http2.js lib/https.js lib/zlib.js lib/perf_hooks.js lib/_stream_readable.js lib/buffer.js lib/punycode.js lib/console.js lib/trace_events.js lib/cluster.js lib/_stream_duplex.js lib/process.js lib/_http_common.js lib/vm.js lib/stream.js lib/sys.js lib/_http_incoming.js lib/fs.js lib/events.js lib/_stream_passthrough.js lib/_stream_writable.js lib/async_hooks.js lib/readline.js lib/repl.js lib/string_decoder.js lib/constants.js lib/v8.js lib/assert.js lib/_stream_wrap.js lib/util.js lib/_stream_transform.js lib/crypto.js lib/inspector.js lib/_http_server.js lib/os.js lib/dgram.js lib/worker_threads.js lib/_tls_common.js; elif [ -x `which node` ] && [ -e `which node` ] && [ `which node` ]; then `which node`  tools/doc/apilinks.js out/doc/apilinks.json lib/_http_client.js lib/net.js lib/_tls_wrap.js lib/http.js lib/dns.js lib/tls.js lib/path.js lib/domain.js lib/timers.js lib/_http_outgoing.js lib/child_process.js lib/_http_agent.js lib/tty.js lib/querystring.js lib/wasi.js lib/module.js lib/url.js lib/http2.js lib/https.js lib/zlib.js lib/perf_hooks.js lib/_stream_readable.js lib/buffer.js lib/punycode.js lib/console.js lib/trace_events.js lib/cluster.js lib/_stream_duplex.js lib/process.js lib/_http_common.js lib/vm.js lib/stream.js lib/sys.js lib/_http_incoming.js lib/fs.js lib/events.js lib/_stream_passthrough.js lib/_stream_writable.js lib/async_hooks.js lib/readline.js lib/repl.js lib/string_decoder.js lib/constants.js lib/v8.js lib/assert.js lib/_stream_wrap.js lib/util.js lib/_stream_transform.js lib/crypto.js lib/inspector.js lib/_http_server.js lib/os.js lib/dgram.js lib/worker_threads.js lib/_tls_common.js; else echo "No available node, cannot run \"node  tools/doc/apilinks.js out/doc/apilinks.json lib/_http_client.js lib/net.js lib/_tls_wrap.js lib/http.js lib/dns.js lib/tls.js lib/path.js lib/domain.js lib/timers.js lib/_http_outgoing.js lib/child_process.js lib/_http_agent.js lib/tty.js lib/querystring.js lib/wasi.js lib/module.js lib/url.js lib/http2.js lib/https.js lib/zlib.js lib/perf_hooks.js lib/_stream_readable.js lib/buffer.js lib/punycode.js lib/console.js lib/trace_events.js lib/cluster.js lib/_stream_duplex.js lib/process.js lib/_http_common.js lib/vm.js lib/stream.js lib/sys.js lib/_http_incoming.js lib/fs.js lib/events.js lib/_stream_passthrough.js lib/_stream_writable.js lib/async_hooks.js lib/readline.js lib/repl.js lib/string_decoder.js lib/constants.js lib/v8.js lib/assert.js lib/_stream_wrap.js lib/util.js lib/_stream_transform.js lib/crypto.js lib/inspector.js lib/_http_server.js lib/os.js lib/dgram.js lib/worker_threads.js lib/_tls_common.js\""; exit 1; fi;
/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2842
    throw err
    ^

SyntaxError: Unexpected token (219:28)
    at Parser.pp$4.raise (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2840:15)
    at Parser.pp.unexpected (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:689:10)
    at Parser.pp$3.parseExprAtom (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2263:12)
    at Parser.pp$3.parseExprSubscripts (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2092:21)
    at Parser.pp$3.parseMaybeUnary (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2069:19)
    at Parser.pp$3.parseExprOps (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2013:21)
    at Parser.pp$3.parseMaybeConditional (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:1996:21)
    at Parser.pp$3.parseMaybeAssign (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:1969:21)
    at Parser.pp$3.parseMaybeConditional (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:2001:30)
    at Parser.pp$3.parseMaybeAssign (/home/james/node/node/deps/acorn/acorn/dist/acorn.js:1969:21) {
  pos: 6131,
  loc: Position { line: 219, column: 28 },
  raisedAt: 6132
}
Makefile:755: recipe for target 'out/doc/apilinks.json' failed
make[1]: *** [out/doc/apilinks.json] Error 1
Makefile:717: recipe for target 'doc-only' failed
make: *** [doc-only] Error 2

devsnek · 2020-07-31T03:50:58Z

Getting the super duper helpful error...

We really should fix that, it's stopping us from using all the new syntax :( I had a commit somewhere but I have no idea where it went. You could include a commit that patches this with a try/catch:

node/tools/doc/apilinks.js

Lines 57 to 60 in dc00a07

    
           const ast = acorn.parse( 
        
             source, 
        
             { allowReturnOutsideFunction: true, ecmaVersion: 10, locations: true }); 
        
           const program = ast.body;

mcollina

lgtm

doc/api/async_hooks.md

jasnell · 2020-07-31T18:04:25Z

CI: https://ci.nodejs.org/job/node-test-pull-request/32576/

Flarna · 2020-08-02T21:42:18Z

Some comments, nothing blocking and feel free to ignore:

It might be helpful to set function.length to the same value as the original function. If used together with EventEmitter it's don't care but this API is not limited to this and e.g. a express distinguishes between functions with 3 and 4 arguments.

It may be also helpful to somehow allow to check if a function is bound to an async resource. APMs, OTel plugins,... currently patch EventEmitter to wrap listeners for context passing. If this is done already in user code via this API it's not needed anymore.

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called.

jasnell · 2020-08-04T00:38:58Z

@Flarna ... good suggestions! I've updated to set the length property and added an asyncResource property to the returned function.

nodejs-github-bot · 2020-08-04T00:39:30Z

CI: https://ci.nodejs.org/job/node-test-pull-request/32618/ 💚

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called. PR-URL: #34574 Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>

jasnell · 2020-08-04T01:41:40Z

Landed in 74df749

The length property should be non enumerable to match behavior of normal functions. The asyncResource property is enumerable and therefore it should be also writable to avoid issues like there: nodejs#30932 (comment) Both properties should be configurable. Refs: nodejs#34574

Flarna · 2020-08-04T08:28:43Z

Seems my comments regarding property descriptor were to late => followup at #34620

The length property should be non enumerable to match behavior of normal functions. The asyncResource property is enumerable and therefore it should be also writable to avoid issues like there: #30932 (comment) Both properties should be configurable. Refs: #34574 PR-URL: #34620 Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called. PR-URL: #34574 Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>

The length property should be non enumerable to match behavior of normal functions. The asyncResource property is enumerable and therefore it should be also writable to avoid issues like there: #30932 (comment) Both properties should be configurable. Refs: #34574 PR-URL: #34620 Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>

Notable changes: async_hooks: * (SEMVER-MINOR) add AsyncResource.bind utility (James M Snell) #34574 doc: * add Ricky Zhou to collaborators (rickyes) #34676 * add release key for Ruy Adorno (Ruy Adorno) #34628 * add DerekNonGeneric to collaborators (Derek Lewis) #34602 module: * (SEMVER-MINOR) unflag Top-Level Await (Myles Borins) #34558 n-api: * (SEMVER-MINOR) support type-tagging objects (Gabriel Schulhof) #28237 n-api,src: * (SEMVER-MINOR) provide asynchronous cleanup hooks (Anna Henningsen) #34572 PR-URL: #34704

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called. PR-URL: #34574 Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>

The length property should be non enumerable to match behavior of normal functions. The asyncResource property is enumerable and therefore it should be also writable to avoid issues like there: #30932 (comment) Both properties should be configurable. Refs: #34574 PR-URL: #34620 Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>

Notable changes: async_hooks: * (SEMVER-MINOR) add AsyncResource.bind utility (James M Snell) #34574 doc: * add Ricky Zhou to collaborators (rickyes) #34676 * add release key for Ruy Adorno (Ruy Adorno) #34628 * add DerekNonGeneric to collaborators (Derek Lewis) #34602 module: * (SEMVER-MINOR) unflag Top-Level Await (Myles Borins) #34558 n-api: * (SEMVER-MINOR) support type-tagging objects (Gabriel Schulhof) #28237 n-api,src: * (SEMVER-MINOR) provide asynchronous cleanup hooks (Anna Henningsen) #34572 PR-URL: #34704

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called. PR-URL: #34574 Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>

The length property should be non enumerable to match behavior of normal functions. The asyncResource property is enumerable and therefore it should be also writable to avoid issues like there: #30932 (comment) Both properties should be configurable. Refs: #34574 PR-URL: #34620 Reviewed-By: Andrey Pechkurov <apechkurov@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>

Notable changes: async_hooks: * add AsyncResource.bind utility (James M Snell) (#34574) buffer: * also alias BigUInt methods (Anna Henningsen) (#34960) * alias UInt ➡️ Uint in buffer methods (Anna Henningsen) (#34729) build: * add build flag for OSS-Fuzz integration (davkor) (#34761) cli: * add alias for report-directory to make it consistent (Ash Cripps) (#33587) crypto: * allow KeyObjects in postMessage (Tobias Nießen) (#33360) * add randomInt function (Oli Lalonde) (#34600) deps: * upgrade to libuv 1.39.0 (Colin Ihrig) (#34915) dgram: * add IPv6 scope id suffix to received udp6 dgrams (Pekka Nikander) (#14500) * allow typed arrays in .send() (Sarat Addepalli) (#22413) doc: * add basic embedding example documentation (Anna Henningsen) (#30467) embedding: * make Stop() stop Workers (Anna Henningsen) (#32531) * provide hook for custom process.exit() behaviour (Anna Henningsen) (#32531) fs: * implement lutimes (Maël Nison) (#33399) http: * return this from IncomingMessage#destroy() (Colin Ihrig) (#32789) * expose host and protocol on ClientRequest (wenningplus) [#33803](#33803) http2: * return this for Http2ServerRequest#setTimeout (Pranshu Srivastava) (#33994) * do not modify explicity set date headers (Pranshu Srivastava) (#33160) * n-api**: * support type-tagging objects (Gabriel Schulhof) (#28237) * provide asynchronous cleanup hooks (Anna Henningsen) (#34572) perf_hooks: * add idleTime and event loop util (Trevor Norris) (#34938) timers: * allow timers to be used as primitives (Denys Otrishko) [#34017](#34017) tls: * make 'createSecureContext' honor more options (Mateusz Krawczuk) (#33974) worker: * add public method for marking objects as untransferable (Anna Henningsen) (#33979) * emit `'messagerror'` events for failed deserialization (Anna Henningsen) (#33772) * allow passing JS wrapper objects via postMessage (Anna Henningsen) (#33772) * allow transferring/cloning generic BaseObjects (Anna Henningsen) (#33772) * add option to track unmanaged file descriptors (Anna Henningsen) (#34303) * add stack size resource limit option (Anna Henningsen) (#33085) * make FileHandle transferable (Anna Henningsen) (#33772) zlib: * add `maxOutputLength` option (unknown) (#33516) PR-URL: TODO

Notable changes: assert: * (SEMVER-MINOR) port common.mustCall() to assert (ConorDavenport) #31982 async_hooks: * (SEMVER-MINOR) add AsyncResource.bind utility (James M Snell) #34574 buffer: * (SEMVER-MINOR) also alias BigUInt methods (Anna Henningsen) #34960 * (SEMVER-MINOR) alias UInt ➡️ Uint in buffer methods (Anna Henningsen) #34729 build: * (SEMVER-MINOR) add build flag for OSS-Fuzz integration (davkor) #34761 cli: * (SEMVER-MINOR) add alias for report-directory to make it consistent (Ash Cripps) #33587 crypto: * (SEMVER-MINOR) allow KeyObjects in postMessage (Tobias Nießen) #33360 * (SEMVER-MINOR) add randomInt function (Oli Lalonde) #34600 deps: * upgrade to libuv 1.39.0 (Colin Ihrig) #34915 * upgrade npm to 6.14.7 (claudiahdz) #34468 * upgrade to libuv 1.38.1 (Colin Ihrig) #34187 dgram: * (SEMVER-MINOR) add IPv6 scope id suffix to received udp6 dgrams (Pekka Nikander) #14500 * (SEMVER-MINOR) allow typed arrays in .send() (Sarat Addepalli) #22413 doc: * (SEMVER-MINOR) Add maxTotalSockets option to agent constructor (rickyes) #33617 * (SEMVER-MINOR) add basic embedding example documentation (Anna Henningsen) #30467 * add Ricky Zhou to collaborators (rickyes) #34676 * add release key for Ruy Adorno (Ruy Adorno) #34628 * add DerekNonGeneric to collaborators (Derek Lewis) #34602 * add AshCripps to collaborators (Ash Cripps) #34494 * add HarshithaKP to collaborators (Harshitha K P) #34417 * add rexagod to collaborators (Pranshu Srivastava) #34457 * add release key for Richard Lau (Richard Lau) #34397 * add danielleadams to collaborators (Danielle Adams) #34360 * add sxa as collaborator (Stewart X Addison) #34338 * add ruyadorno to collaborators (Ruy Adorno) #34297 * (SEMVER-MAJOR) deprecate process.umask() with no arguments (Colin Ihrig) #32499 embedding: * (SEMVER-MINOR) make Stop() stop Workers (Anna Henningsen) #32531 * (SEMVER-MINOR) provide hook for custom process.exit() behaviour (Anna Henningsen) #32531 fs: * (SEMVER-MINOR) implement lutimes (Maël Nison) #33399 http: * (SEMVER-MINOR) add maxTotalSockets to agent class (rickyes) #33617 * (SEMVER-MINOR) return this from IncomingMessage#destroy() (Colin Ihrig) #32789 * (SEMVER-MINOR) expose host and protocol on ClientRequest (wenningplus) #33803 http2: * (SEMVER-MINOR) return this for Http2ServerRequest#setTimeout (Pranshu Srivastava) #33994 * (SEMVER-MINOR) do not modify explicity set date headers (Pranshu Srivastava) #33160 module: * (SEMVER-MINOR) named exports for CJS via static analysis (Guy Bedford) #35249 * (SEMVER-MINOR) exports pattern support (Guy Bedford) #34718 * (SEMVER-MINOR) package "imports" field (Guy Bedford) #34117 * (SEMVER-MINOR) deprecate module.parent (Antoine du HAMEL) #32217 n-api: * (SEMVER-MINOR) create N-API version 7 (Gabriel Schulhof) #35199 * (SEMVER-MINOR) support type-tagging objects (Gabriel Schulhof) #28237 n-api,src: * (SEMVER-MINOR) provide asynchronous cleanup hooks (Anna Henningsen) #34572 perf_hooks: * (SEMVER-MINOR) add idleTime and event loop util (Trevor Norris) #34938 timers: * (SEMVER-MINOR) allow timers to be used as primitives (Denys Otrishko) #34017 tls: * (SEMVER-MINOR) make 'createSecureContext' honor more options (Mateusz Krawczuk) #33974 worker: * (SEMVER-MINOR) add public method for marking objects as untransferable (Anna Henningsen) #33979 * (SEMVER-MINOR) emit `'messagerror'` events for failed deserialization (Anna Henningsen) #33772 * (SEMVER-MINOR) allow passing JS wrapper objects via postMessage (Anna Henningsen) #33772 * (SEMVER-MINOR) allow transferring/cloning generic BaseObjects (Anna Henningsen) #33772 * (SEMVER-MINOR) add option to track unmanaged file descriptors (Anna Henningsen) #34303 * (SEMVER-MINOR) add stack size resource limit option (Anna Henningsen) #33085 worker,fs: * (SEMVER-MINOR) make FileHandle transferable (Anna Henningsen) #33772 zlib: * (SEMVER-MINOR) add `maxOutputLength` option (unknown) #33516 * switch to lazy init for zlib streams (Andrey Pechkurov) #34048 PR-URL: TODO

Notable changes: assert: * (SEMVER-MINOR) port common.mustCall() to assert (ConorDavenport) #31982 async_hooks: * (SEMVER-MINOR) add AsyncResource.bind utility (James M Snell) #34574 buffer: * (SEMVER-MINOR) also alias BigUInt methods (Anna Henningsen) #34960 * (SEMVER-MINOR) alias UInt ➡️ Uint in buffer methods (Anna Henningsen) #34729 build: * (SEMVER-MINOR) add build flag for OSS-Fuzz integration (davkor) #34761 cli: * (SEMVER-MINOR) add alias for report-directory to make it consistent (Ash Cripps) #33587 crypto: * (SEMVER-MINOR) allow KeyObjects in postMessage (Tobias Nießen) #33360 * (SEMVER-MINOR) add randomInt function (Oli Lalonde) #34600 deps: * upgrade to libuv 1.39.0 (Colin Ihrig) #34915 * upgrade npm to 6.14.7 (claudiahdz) #34468 * upgrade to libuv 1.38.1 (Colin Ihrig) #34187 dgram: * (SEMVER-MINOR) add IPv6 scope id suffix to received udp6 dgrams (Pekka Nikander) #14500 * (SEMVER-MINOR) allow typed arrays in .send() (Sarat Addepalli) #22413 doc: * (SEMVER-MINOR) Add maxTotalSockets option to agent constructor (rickyes) #33617 * (SEMVER-MINOR) add basic embedding example documentation (Anna Henningsen) #30467 * add Ricky Zhou to collaborators (rickyes) #34676 * add release key for Ruy Adorno (Ruy Adorno) #34628 * add DerekNonGeneric to collaborators (Derek Lewis) #34602 * add AshCripps to collaborators (Ash Cripps) #34494 * add HarshithaKP to collaborators (Harshitha K P) #34417 * add rexagod to collaborators (Pranshu Srivastava) #34457 * add release key for Richard Lau (Richard Lau) #34397 * add danielleadams to collaborators (Danielle Adams) #34360 * add sxa as collaborator (Stewart X Addison) #34338 * add ruyadorno to collaborators (Ruy Adorno) #34297 * (SEMVER-MAJOR) deprecate process.umask() with no arguments (Colin Ihrig) #32499 embedding: * (SEMVER-MINOR) make Stop() stop Workers (Anna Henningsen) #32531 * (SEMVER-MINOR) provide hook for custom process.exit() behaviour (Anna Henningsen) #32531 fs: * (SEMVER-MINOR) implement lutimes (Maël Nison) #33399 http: * (SEMVER-MINOR) add maxTotalSockets to agent class (rickyes) #33617 * (SEMVER-MINOR) return this from IncomingMessage#destroy() (Colin Ihrig) #32789 * (SEMVER-MINOR) expose host and protocol on ClientRequest (wenningplus) #33803 http2: * (SEMVER-MINOR) return this for Http2ServerRequest#setTimeout (Pranshu Srivastava) #33994 * (SEMVER-MINOR) do not modify explicity set date headers (Pranshu Srivastava) #33160 module: * (SEMVER-MINOR) named exports for CJS via static analysis (Guy Bedford) #35249 * (SEMVER-MINOR) exports pattern support (Guy Bedford) #34718 * (SEMVER-MINOR) package "imports" field (Guy Bedford) #34117 * (SEMVER-MINOR) deprecate module.parent (Antoine du HAMEL) #32217 n-api: * (SEMVER-MINOR) create N-API version 7 (Gabriel Schulhof) #35199 * (SEMVER-MINOR) support type-tagging objects (Gabriel Schulhof) #28237 n-api,src: * (SEMVER-MINOR) provide asynchronous cleanup hooks (Anna Henningsen) #34572 perf_hooks: * (SEMVER-MINOR) add idleTime and event loop util (Trevor Norris) #34938 timers: * (SEMVER-MINOR) allow timers to be used as primitives (Denys Otrishko) #34017 tls: * (SEMVER-MINOR) make 'createSecureContext' honor more options (Mateusz Krawczuk) #33974 worker: * (SEMVER-MINOR) add public method for marking objects as untransferable (Anna Henningsen) #33979 * (SEMVER-MINOR) emit `'messagerror'` events for failed deserialization (Anna Henningsen) #33772 * (SEMVER-MINOR) allow passing JS wrapper objects via postMessage (Anna Henningsen) #33772 * (SEMVER-MINOR) allow transferring/cloning generic BaseObjects (Anna Henningsen) #33772 * (SEMVER-MINOR) add option to track unmanaged file descriptors (Anna Henningsen) #34303 * (SEMVER-MINOR) add stack size resource limit option (Anna Henningsen) #33085 worker,fs: * (SEMVER-MINOR) make FileHandle transferable (Anna Henningsen) #33772 zlib: * (SEMVER-MINOR) add `maxOutputLength` option (unknown) #33516 * switch to lazy init for zlib streams (Andrey Pechkurov) #34048 PR-URL: #35401

Notable changes: assert: * (SEMVER-MINOR) port common.mustCall() to assert (ConorDavenport) nodejs#31982 async_hooks: * (SEMVER-MINOR) add AsyncResource.bind utility (James M Snell) nodejs#34574 buffer: * (SEMVER-MINOR) also alias BigUInt methods (Anna Henningsen) nodejs#34960 * (SEMVER-MINOR) alias UInt ➡️ Uint in buffer methods (Anna Henningsen) nodejs#34729 build: * (SEMVER-MINOR) add build flag for OSS-Fuzz integration (davkor) nodejs#34761 cli: * (SEMVER-MINOR) add alias for report-directory to make it consistent (Ash Cripps) nodejs#33587 crypto: * (SEMVER-MINOR) allow KeyObjects in postMessage (Tobias Nießen) nodejs#33360 * (SEMVER-MINOR) add randomInt function (Oli Lalonde) nodejs#34600 deps: * upgrade to libuv 1.39.0 (Colin Ihrig) nodejs#34915 * upgrade npm to 6.14.7 (claudiahdz) nodejs#34468 * upgrade to libuv 1.38.1 (Colin Ihrig) nodejs#34187 dgram: * (SEMVER-MINOR) add IPv6 scope id suffix to received udp6 dgrams (Pekka Nikander) nodejs#14500 * (SEMVER-MINOR) allow typed arrays in .send() (Sarat Addepalli) nodejs#22413 doc: * (SEMVER-MINOR) Add maxTotalSockets option to agent constructor (rickyes) nodejs#33617 * (SEMVER-MINOR) add basic embedding example documentation (Anna Henningsen) nodejs#30467 * add Ricky Zhou to collaborators (rickyes) nodejs#34676 * add release key for Ruy Adorno (Ruy Adorno) nodejs#34628 * add DerekNonGeneric to collaborators (Derek Lewis) nodejs#34602 * add AshCripps to collaborators (Ash Cripps) nodejs#34494 * add HarshithaKP to collaborators (Harshitha K P) nodejs#34417 * add rexagod to collaborators (Pranshu Srivastava) nodejs#34457 * add release key for Richard Lau (Richard Lau) nodejs#34397 * add danielleadams to collaborators (Danielle Adams) nodejs#34360 * add sxa as collaborator (Stewart X Addison) nodejs#34338 * add ruyadorno to collaborators (Ruy Adorno) nodejs#34297 * (SEMVER-MAJOR) deprecate process.umask() with no arguments (Colin Ihrig) nodejs#32499 embedding: * (SEMVER-MINOR) make Stop() stop Workers (Anna Henningsen) nodejs#32531 * (SEMVER-MINOR) provide hook for custom process.exit() behaviour (Anna Henningsen) nodejs#32531 fs: * (SEMVER-MINOR) implement lutimes (Maël Nison) nodejs#33399 http: * (SEMVER-MINOR) add maxTotalSockets to agent class (rickyes) nodejs#33617 * (SEMVER-MINOR) return this from IncomingMessage#destroy() (Colin Ihrig) nodejs#32789 * (SEMVER-MINOR) expose host and protocol on ClientRequest (wenningplus) nodejs#33803 http2: * (SEMVER-MINOR) return this for Http2ServerRequest#setTimeout (Pranshu Srivastava) nodejs#33994 * (SEMVER-MINOR) do not modify explicity set date headers (Pranshu Srivastava) nodejs#33160 module: * (SEMVER-MINOR) named exports for CJS via static analysis (Guy Bedford) nodejs#35249 * (SEMVER-MINOR) exports pattern support (Guy Bedford) nodejs#34718 * (SEMVER-MINOR) package "imports" field (Guy Bedford) nodejs#34117 * (SEMVER-MINOR) deprecate module.parent (Antoine du HAMEL) nodejs#32217 n-api: * (SEMVER-MINOR) create N-API version 7 (Gabriel Schulhof) nodejs#35199 * (SEMVER-MINOR) support type-tagging objects (Gabriel Schulhof) nodejs#28237 n-api,src: * (SEMVER-MINOR) provide asynchronous cleanup hooks (Anna Henningsen) nodejs#34572 perf_hooks: * (SEMVER-MINOR) add idleTime and event loop util (Trevor Norris) nodejs#34938 timers: * (SEMVER-MINOR) allow timers to be used as primitives (Denys Otrishko) nodejs#34017 tls: * (SEMVER-MINOR) make 'createSecureContext' honor more options (Mateusz Krawczuk) nodejs#33974 worker: * (SEMVER-MINOR) add public method for marking objects as untransferable (Anna Henningsen) nodejs#33979 * (SEMVER-MINOR) emit `'messagerror'` events for failed deserialization (Anna Henningsen) nodejs#33772 * (SEMVER-MINOR) allow passing JS wrapper objects via postMessage (Anna Henningsen) nodejs#33772 * (SEMVER-MINOR) allow transferring/cloning generic BaseObjects (Anna Henningsen) nodejs#33772 * (SEMVER-MINOR) add option to track unmanaged file descriptors (Anna Henningsen) nodejs#34303 * (SEMVER-MINOR) add stack size resource limit option (Anna Henningsen) nodejs#33085 worker,fs: * (SEMVER-MINOR) make FileHandle transferable (Anna Henningsen) nodejs#33772 zlib: * (SEMVER-MINOR) add `maxOutputLength` option (unknown) nodejs#33516 * switch to lazy init for zlib streams (Andrey Pechkurov) nodejs#34048 PR-URL: nodejs#35401

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async_hooks: add AsyncResource.bind utility

6c6bdf8

Creates an internal AsyncResource and binds a function to it, ensuring that the function is invoked within execution context in which bind was called.

fixup! async_hooks: add AsyncResource.bind utility

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jasnell force-pushed the add-asyncresource-bind branch from 3d39f7d to 1432c48 Compare August 4, 2020 00:37

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async_hooks: improve property descriptors in als.bind #34620

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v14.8.0 proposal #34704

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AsyncLocalStorage getStore unexpected behaviour nodejs/help#2546

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v12.19.0 proposal #35401

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AsyncResource.bind does not forward arguments #36051

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async_hooks: add AsyncResource.bind utility #34574

async_hooks: add AsyncResource.bind utility #34574

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async_hooks: add AsyncResource.bind utility #34574

async_hooks: add AsyncResource.bind utility #34574

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