cli: whitelist new V8 flag in NODE_OPTIONS#30094
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ope it looks like |
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@codebytere It is best marked as |
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@addaleax would that be worth a change to |
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@codebytere Yes, exactly :) I think this is the one that pops up most frequently as unrecognized by the tool |
cjihrig
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We should probably also update doc/node.1.
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@cjihrig done, i think that should be correctly formatted? |
I can never remember the formatting either. I just run |
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@cjihrig You should also be able to run |
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Ah, good to know. Thanks! |
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Explicitly whitelists --disallow-code-generation-from-strings in NODE_OPTIONS as a new V8 flag. This flag prevents strings like eval() from performing code generation. PR-URL: #30094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
Notable changes: New assert APIs The `assert` module now provides experimental `assert.match()` and `assert.doesNotMatch()` methods. They will validate that the first argument is a string and matches (or does not match) the provided regular expression This is an experimental feature. Ruben Bridgewater [#30929](#30929). Advanced serialization for IPC The `child_process` and `cluster` modules now support a `serialization` option to change the serialization mechanism used for IPC. The option can have one of two values: * `'json'` (default): `JSON.stringify()` and `JSON.parse()` are used. This is how message serialization was done before. * `'advanced'`: The serialization API of the `v8` module is used. It is based on the HTML structured clone algorithm. and is able to serialize more built-in JavaScript object types, such as `BigInt`, `Map`, `Set` etc. as well as circular data structures. Anna Henningsen [#30162](#30162). CLI flags The new `--trace-exit` CLI flag makes Node.js print a stack trace whenever the Node.js environment is exited proactively (i.e. by invoking the `process.exit()` function or pressing Ctrl+C). legendecas [#30516](#30516). ___ The new `--trace-uncaught` CLI flag makes Node.js print a stack trace at the time of throwing uncaught exceptions, rather than at the creation of the `Error` object, if there is any. This option is not enabled by default because it may affect garbage collection behavior negatively. Anna Henningsen [#30025](#30025). ___ The `--disallow-code-generation-from-strings` V8 CLI flag is now whitelisted in the `NODE_OPTIONS` environment variable. Shelley Vohr [#30094](#30094). New crypto APIs For DSA and ECDSA, a new signature encoding is now supported in addition to the existing one (DER). The `verify` and `sign` methods accept a `dsaEncoding` option, which can have one of two values: * `'der'` (default): DER-encoded ASN.1 signature structure encoding `(r, s)`. * `'ieee-p1363'`: Signature format `r || s` as proposed in IEEE-P1363. Tobias Nießen [#29292](#29292). ___ A new method was added to `Hash`: `Hash.prototype.copy`. It makes it possible to clone the internal state of a `Hash` object into a new `Hash` object, allowing to compute the digest between updates. Ben Noordhuis [#29910](#29910). Dependency updates libuv was updated to 1.34.0. This includes fixes to `uv_fs_copyfile()` and `uv_interface_addresses()` and adds two new functions: `uv_sleep()` and `uv_fs_mkstemp()`. Colin Ihrig [#30783](#30783). ___ V8 was updated to 7.8.279.23. This includes performance improvements to object destructuring, RegExp match failures and WebAssembly startup time. The official release notes are available at https://v8.dev/blog/v8-release-78. Michaël Zasso [#30109](#30109). New EventEmitter APIs The new `EventEmitter.on` static method allows to async iterate over events. Matteo Collina [#27994](#27994). ___ It is now possible to monitor `'error'` events on an `EventEmitter` without consuming the emitted error by installing a listener using the symbol `EventEmitter.errorMonitor`. Gerhard Stoebich [#30932](#30932). ___ Using `async` functions with event handlers is problematic, because it can lead to an unhandled rejection in case of a thrown exception. The experimental `captureRejections` option in the `EventEmitter` constructor or the global setting change this behavior, installing a `.then(undefined, handler)` handler on the `Promise`. This handler routes the exception asynchronously to the `Symbol.for('nodejs.rejection')` method if there is one, or to the `'error'` event handler if there is none. Setting `EventEmitter.captureRejections = true` will change the default for all new instances of `EventEmitter`. This is an experimental feature. Matteo Collina [#27867](#27867). Performance Hooks are no longer experimental The `perf_hooks` module is now considered a stable API. legendecas [#31101](#31101). Introduction of experimental WebAssembly System Interface (WASI) support A new core module, `wasi`, is introduced to provide an implementation of the [WebAssembly System Interface](https://wasi.dev/) specification. WASI gives sandboxed WebAssembly applications access to the underlying operating system via a collection of POSIX-like functions. This is an experimental feature. Colin Ihrig [#30258](#30258). PR-URL: #31691
Notable changes: New assert APIs The `assert` module now provides experimental `assert.match()` and `assert.doesNotMatch()` methods. They will validate that the first argument is a string and matches (or does not match) the provided regular expression This is an experimental feature. Ruben Bridgewater [#30929](#30929). Advanced serialization for IPC The `child_process` and `cluster` modules now support a `serialization` option to change the serialization mechanism used for IPC. The option can have one of two values: * `'json'` (default): `JSON.stringify()` and `JSON.parse()` are used. This is how message serialization was done before. * `'advanced'`: The serialization API of the `v8` module is used. It is based on the HTML structured clone algorithm. and is able to serialize more built-in JavaScript object types, such as `BigInt`, `Map`, `Set` etc. as well as circular data structures. Anna Henningsen [#30162](#30162). CLI flags The new `--trace-exit` CLI flag makes Node.js print a stack trace whenever the Node.js environment is exited proactively (i.e. by invoking the `process.exit()` function or pressing Ctrl+C). legendecas [#30516](#30516). ___ The new `--trace-uncaught` CLI flag makes Node.js print a stack trace at the time of throwing uncaught exceptions, rather than at the creation of the `Error` object, if there is any. This option is not enabled by default because it may affect garbage collection behavior negatively. Anna Henningsen [#30025](#30025). ___ The `--disallow-code-generation-from-strings` V8 CLI flag is now whitelisted in the `NODE_OPTIONS` environment variable. Shelley Vohr [#30094](#30094). New crypto APIs For DSA and ECDSA, a new signature encoding is now supported in addition to the existing one (DER). The `verify` and `sign` methods accept a `dsaEncoding` option, which can have one of two values: * `'der'` (default): DER-encoded ASN.1 signature structure encoding `(r, s)`. * `'ieee-p1363'`: Signature format `r || s` as proposed in IEEE-P1363. Tobias Nießen [#29292](#29292). ___ A new method was added to `Hash`: `Hash.prototype.copy`. It makes it possible to clone the internal state of a `Hash` object into a new `Hash` object, allowing to compute the digest between updates. Ben Noordhuis [#29910](#29910). Dependency updates libuv was updated to 1.34.0. This includes fixes to `uv_fs_copyfile()` and `uv_interface_addresses()` and adds two new functions: `uv_sleep()` and `uv_fs_mkstemp()`. Colin Ihrig [#30783](#30783). ___ V8 was updated to 7.8.279.23. This includes performance improvements to object destructuring, RegExp match failures and WebAssembly startup time. The official release notes are available at https://v8.dev/blog/v8-release-78. Michaël Zasso [#30109](#30109). New EventEmitter APIs The new `EventEmitter.on` static method allows to async iterate over events. Matteo Collina [#27994](#27994). ___ It is now possible to monitor `'error'` events on an `EventEmitter` without consuming the emitted error by installing a listener using the symbol `EventEmitter.errorMonitor`. Gerhard Stoebich [#30932](#30932). ___ Using `async` functions with event handlers is problematic, because it can lead to an unhandled rejection in case of a thrown exception. The experimental `captureRejections` option in the `EventEmitter` constructor or the global setting change this behavior, installing a `.then(undefined, handler)` handler on the `Promise`. This handler routes the exception asynchronously to the `Symbol.for('nodejs.rejection')` method if there is one, or to the `'error'` event handler if there is none. Setting `EventEmitter.captureRejections = true` will change the default for all new instances of `EventEmitter`. This is an experimental feature. Matteo Collina [#27867](#27867). Performance Hooks are no longer experimental The `perf_hooks` module is now considered a stable API. legendecas [#31101](#31101). Introduction of experimental WebAssembly System Interface (WASI) support A new core module, `wasi`, is introduced to provide an implementation of the [WebAssembly System Interface](https://wasi.dev/) specification. WASI gives sandboxed WebAssembly applications access to the underlying operating system via a collection of POSIX-like functions. This is an experimental feature. Colin Ihrig [#30258](#30258). PR-URL: #31691
This work is modeled on nodejs#30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: nodejs#26758, nodejs#28800. This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: nodejs#30094 Refs: nodejs#26758 Refs: nodejs#28800
This work is modeled on #30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: #26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: #30094 Refs: #26758 Refs: #28800 PR-URL: #32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This work is modeled on #30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: #26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: #30094 Refs: #26758 Refs: #28800 PR-URL: #32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This work is modeled on #30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: #26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: #30094 Refs: #26758 Refs: #28800 PR-URL: #32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This work is modeled on #30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: #26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: #30094 Refs: #26758 Refs: #28800 PR-URL: #32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This work is modeled on nodejs#30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: nodejs#26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: nodejs#30094 Refs: nodejs#26758 Refs: nodejs#28800 PR-URL: nodejs#32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This work is modeled on #30094 which allowed `--disallow-code-generation-from-strings` in `NODE_OPTIONS`. The `--jitless` v8 option has been supported since 12.0.0. As a v8 option, node automatically picks it up, but there have been a few issues that were resolved by simply telling users about the option: #26758, This PR: - allows `--jitless` in `NODE_OPTIONS` - documents `--jitless` - moves `--experimental-loader=module` to locally restore alphabetical order in option documentation Refs: #30094 Refs: #26758 Refs: #28800 Backport-PR-URL: #32594 PR-URL: #32100 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Shelley Vohr <codebytere@gmail.com> Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Resolves #30089.
Explicitly whitelists
--disallow-code-generation-from-stringsinNODE_OPTIONSas a new V8 flag. This flag prevents strings likeeval()from performing code generation.Before:
After:
node on git:whitelist-node-option ❯ out/Release/node ~/Desktop/index.js helloChecklist
make -j4 test(UNIX), orvcbuild test(Windows) passes