buffer: allow Uint8Array input to methods - #10236
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Allow all methods on `buffer` and `Buffer` to take `Uint8Array` arguments where it makes sense. On the native side, there is effectively no difference, and as a bonus the `isUint8Array` check is faster than `instanceof Buffer`.
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Make sure to run benchmarks before backporting, because I'm quite surprised that replacing obj.copy() with Buffer.prototype.copy.call(obj, ...) does not make things slower... Did you try benchmarking a conditional instead of always using .call()? |
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trevnorris
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Dec 13, 2016
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Overall LGTM. Just one minor change.
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lib/buffer.js
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| return b; | ||
|
|
||
| obj.copy(b, 0, 0, obj.length); | ||
| Buffer.prototype.copy.call(obj, b, 0, 0, obj.length); |
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Shouldn't need to reference it this way. copy() is native method. Can simply call binding.copy(...).
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lib/buffer.js
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| if (!isUint8Array(buf)) | ||
| throw new TypeError('"list" argument must be an Array of Buffers'); | ||
| buf.copy(buffer, pos); | ||
| Buffer.prototype.copy.call(buf, buffer, pos); |
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ditto on using binding.copy().
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@trevnorris I’ve updated this and moved .copy from the prototype to the binding object… please take a look and tell me if that’s what you had in mind, I’m not a hundred percent sure |
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trevnorris
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Dec 13, 2016
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Changes look great. Thanks. |
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mscdex
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Dec 13, 2016
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lib/buffer.js
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| if (!(a instanceof Buffer) || | ||
| !(b instanceof Buffer)) { | ||
| if (!isUint8Array(a) || !isUint8Array(b)) { | ||
| throw new TypeError('Arguments must be Buffers'); |
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I think this error message will need to be changed
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mscdex
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Dec 13, 2016
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lib/buffer.js
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| var buf = list[i]; | ||
| if (!Buffer.isBuffer(buf)) | ||
| if (!isUint8Array(buf)) | ||
| throw new TypeError('"list" argument must be an Array of Buffers'); |
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Ditto here and elsewhere about error messages
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bnoordhuis
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Dec 13, 2016
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LGTM but echoing @mscdex, some error messages need updating.
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Marking this as semver-major because of the change in error messages... |
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@mscdex @bnoordhuis Would you be okay with me updating the error messages in a follow-up PR? I know they need to be changed and I know that that’s semver-major, it just feels a bit silly to hold up the rest of the PR on that |
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I don't think intentionally leaving incorrect error messages is a good idea. |
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Alright, updated with error messages changed. CI: https://ci.nodejs.org/job/node-test-commit/6621/ |
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bnoordhuis
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Dec 13, 2016
ChALkeR
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Dec 17, 2016
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LGTM, this would also allow to slightly reduce the forced usage of Buffer() objects where an Uint8Array constructor is actually sufficient. 👍
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Landed in beca324, thanks for the reviews! |
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addaleax
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Dec 21, 2016
Allow all methods on `buffer` and `Buffer` to take `Uint8Array` arguments where it makes sense. On the native side, there is effectively no difference, and as a bonus the `isUint8Array` check is faster than `instanceof Buffer`. PR-URL: #10236 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
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italoacasas
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Jan 18, 2017
Allow all methods on `buffer` and `Buffer` to take `Uint8Array` arguments where it makes sense. On the native side, there is effectively no difference, and as a bonus the `isUint8Array` check is faster than `instanceof Buffer`. PR-URL: nodejs#10236 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Trevor Norris <trev.norris@gmail.com> Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
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addaleax
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Feb 22, 2017
This was semi-overlooked in nodejs#10236 because it always worked and didn’t need additional changes. Ref: nodejs#10236
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to jasnell/node
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May 29, 2017
* **Async Hooks**
* The `async_hooks` module has landed in core
[[`4a7233c178`](nodejs@4a7233c178)]
[nodejs#12892](nodejs#12892).
* **Buffer**
* Using the `--pending-deprecation` flag will cause Node.js to emit a
deprecation warning when using `new Buffer(num)` or `Buffer(num)`.
[[`d2d32ea5a2`](nodejs@d2d32ea5a2)]
[nodejs#11968](nodejs#11968).
* `new Buffer(num)` and `Buffer(num)` will zero-fill new `Buffer` instances
[[`7eb1b4658e`](nodejs@7eb1b4658e)]
[nodejs#12141](nodejs#12141).
* Many `Buffer` methods now accept `Uint8Array` as input
[[`beca3244e2`](nodejs@beca3244e2)]
[nodejs#10236](nodejs#10236).
* **Child Process**
* Argument and kill signal validations have been improved
[[`97a77288ce`](nodejs@97a77288ce)]
[nodejs#12348](nodejs#12348),
[[`d75fdd96aa`](nodejs@d75fdd96aa)]
[nodejs#10423](nodejs#10423).
* Child Process methods accept `Uint8Array` as input
[[`627ecee9ed`](nodejs@627ecee9ed)]
[nodejs#10653](nodejs#10653).
* **Console**
* Error events emitted when using `console` methods are now supressed.
[[`f18e08d820`](nodejs@f18e08d820)]
[nodejs#9744](nodejs#9744).
* **Dependencies**
* The npm client has been updated to 5.0.0
[[`3c3b36af0f`](nodejs@3c3b36af0f)]
[nodejs#12936](nodejs#12936).
* V8 has been updated to 5.8 with forward ABI stability to 6.0
[[`60d1aac8d2`](nodejs@60d1aac8d2)]
[nodejs#12784](nodejs#12784).
* **Domains**
* Native `Promise` instances are now `Domain` aware
[[`84dabe8373`](nodejs@84dabe8373)]
[nodejs#12489](nodejs#12489).
* **Errors**
* We have started assigning static error codes to errors generated by Node.js.
This has been done through multiple commits and is still a work in
progress.
* **File System**
* The utility class `fs.SyncWriteStream` has been deprecated
[[`7a55e34ef4`](nodejs@7a55e34ef4)]
[nodejs#10467](nodejs#10467).
* The deprecated `fs.read()` string interface has been removed
[[`3c2a9361ff`](nodejs@3c2a9361ff)]
[nodejs#9683](nodejs#9683).
* **HTTP**
* Improved support for userland implemented Agents
[[`90403dd1d0`](nodejs@90403dd1d0)]
[nodejs#11567](nodejs#11567).
* Outgoing Cookie headers are concatenated into a single string
[[`d3480776c7`](nodejs@d3480776c7)]
[nodejs#11259](nodejs#11259).
* The `httpResponse.writeHeader()` method has been deprecated
[[`fb71ba4921`](nodejs@fb71ba4921)]
[nodejs#11355](nodejs#11355).
* New methods for accessing HTTP headers have been added to `OutgoingMessage`
[[`3e6f1032a4`](nodejs@3e6f1032a4)]
[nodejs#10805](nodejs#10805).
* **Lib**
* All deprecation messages have been assigned static identifiers
[[`5de3cf099c`](nodejs@5de3cf099c)]
[nodejs#10116](nodejs#10116).
* The legacy `linkedlist` module has been removed
[[`84a23391f6`](nodejs@84a23391f6)]
[nodejs#12113](nodejs#12113).
* **N-API**
* Experimental support for the new N-API API has been added
[[`56e881d0b0`](nodejs@56e881d0b0)]
[nodejs#11975](nodejs#11975).
* **Process**
* Process warning output can be redirected to a file using the
`--redirect-warnings` command-line argument
[[`03e89b3ff2`](nodejs@03e89b3ff2)]
[nodejs#10116](nodejs#10116).
* Process warnings may now include additional detail
[[`dd20e68b0f`](nodejs@dd20e68b0f)]
[nodejs#12725](nodejs#12725).
* **REPL**
* REPL magic mode has been deprecated
[[`3f27f02da0`](nodejs@3f27f02da0)]
[nodejs#11599](nodejs#11599).
* **Src**
* `NODE_MODULE_VERSION` has been updated to 57
(nodejs@ec7cbaf266)]
[nodejs#12995](nodejs#12995).
* Add `--pending-deprecation` command-line argument and
`NODE_PENDING_DEPRECATION` environment variable
[[`a16b570f8c`](nodejs@a16b570f8c)]
[nodejs#11968](nodejs#11968).
* The `--debug` command-line argument has been deprecated. Note that
using `--debug` will enable the *new* Inspector-based debug protocol
as the legacy Debugger protocol previously used by Node.js has been
removed. [[`010f864426`](nodejs@010f864426)]
[nodejs#12949](nodejs#12949).
* Throw when the `-c` and `-e` command-line arguments are used at the same
time [[`a5f91ab230`](nodejs@a5f91ab230)]
[nodejs#11689](nodejs#11689).
* Throw when the `--use-bundled-ca` and `--use-openssl-ca` command-line
arguments are used at the same time.
[[`8a7db9d4b5`](nodejs@8a7db9d4b5)]
[nodejs#12087](nodejs#12087).
* **Stream**
* `Stream` now supports `destroy()` and `_destroy()` APIs
[[`b6e1d22fa6`](nodejs@b6e1d22fa6)]
[nodejs#12925](nodejs#12925).
* `Stream` now supports the `_final()` API
[[`07c7f198db`](nodejs@07c7f198db)]
[nodejs#12828](nodejs#12828).
* **TLS**
* The `rejectUnauthorized` option now defaults to `true`
[[`348cc80a3c`](nodejs@348cc80a3c)]
[nodejs#5923](nodejs#5923).
* The `tls.createSecurePair()` API now emits a runtime deprecation
[[`a2ae08999b`](nodejs@a2ae08999b)]
[nodejs#11349](nodejs#11349).
* A runtime deprecation will now be emitted when `dhparam` is less than
2048 bits [[`d523eb9c40`](nodejs@d523eb9c40)]
[nodejs#11447](nodejs#11447).
* **URL**
* The WHATWG URL implementation is now a fully-supported Node.js API
[[`d080ead0f9`](nodejs@d080ead0f9)]
[nodejs#12710](nodejs#12710).
* **Util**
* `Symbol` keys are now displayed by default when using `util.inspect()`
[[`5bfd13b81e`](nodejs@5bfd13b81e)]
[nodejs#9726](nodejs#9726).
* `toJSON` errors will be thrown when formatting `%j`
[[`455e6f1dd8`](nodejs@455e6f1dd8)]
[nodejs#11708](nodejs#11708).
* Convert `inspect.styles` and `inspect.colors` to prototype-less objects
[[`aab0d202f8`](nodejs@aab0d202f8)]
[nodejs#11624](nodejs#11624).
* The new `util.promisify()` API has been added
[[`99da8e8e02`](nodejs@99da8e8e02)]
[nodejs#12442](nodejs#12442).
* **Zlib**
* Support `Uint8Array` in Zlib convenience methods
[[`91383e47fd`](nodejs@91383e47fd)]
[nodejs#12001](nodejs#12001).
* Zlib errors now use `RangeError` and `TypeError` consistently
[[`b514bd231e`](nodejs@b514bd231e)]
[nodejs#11391](nodejs#11391).
jasnell
added a commit
that referenced
this pull request
May 30, 2017
* **Async Hooks**
* The `async_hooks` module has landed in core
[[`4a7233c178`](4a7233c178)]
[#12892](#12892).
* **Buffer**
* Using the `--pending-deprecation` flag will cause Node.js to emit a
deprecation warning when using `new Buffer(num)` or `Buffer(num)`.
[[`d2d32ea5a2`](d2d32ea5a2)]
[#11968](#11968).
* `new Buffer(num)` and `Buffer(num)` will zero-fill new `Buffer` instances
[[`7eb1b4658e`](7eb1b4658e)]
[#12141](#12141).
* Many `Buffer` methods now accept `Uint8Array` as input
[[`beca3244e2`](beca3244e2)]
[#10236](#10236).
* **Child Process**
* Argument and kill signal validations have been improved
[[`97a77288ce`](97a77288ce)]
[#12348](#12348),
[[`d75fdd96aa`](d75fdd96aa)]
[#10423](#10423).
* Child Process methods accept `Uint8Array` as input
[[`627ecee9ed`](627ecee9ed)]
[#10653](#10653).
* **Console**
* Error events emitted when using `console` methods are now supressed.
[[`f18e08d820`](f18e08d820)]
[#9744](#9744).
* **Dependencies**
* The npm client has been updated to 5.0.0
[[`3c3b36af0f`](3c3b36af0f)]
[#12936](#12936).
* V8 has been updated to 5.8 with forward ABI stability to 6.0
[[`60d1aac8d2`](60d1aac8d2)]
[#12784](#12784).
* **Domains**
* Native `Promise` instances are now `Domain` aware
[[`84dabe8373`](84dabe8373)]
[#12489](#12489).
* **Errors**
* We have started assigning static error codes to errors generated by Node.js.
This has been done through multiple commits and is still a work in
progress.
* **File System**
* The utility class `fs.SyncWriteStream` has been deprecated
[[`7a55e34ef4`](7a55e34ef4)]
[#10467](#10467).
* The deprecated `fs.read()` string interface has been removed
[[`3c2a9361ff`](3c2a9361ff)]
[#9683](#9683).
* **HTTP**
* Improved support for userland implemented Agents
[[`90403dd1d0`](90403dd1d0)]
[#11567](#11567).
* Outgoing Cookie headers are concatenated into a single string
[[`d3480776c7`](d3480776c7)]
[#11259](#11259).
* The `httpResponse.writeHeader()` method has been deprecated
[[`fb71ba4921`](fb71ba4921)]
[#11355](#11355).
* New methods for accessing HTTP headers have been added to `OutgoingMessage`
[[`3e6f1032a4`](3e6f1032a4)]
[#10805](#10805).
* **Lib**
* All deprecation messages have been assigned static identifiers
[[`5de3cf099c`](5de3cf099c)]
[#10116](#10116).
* The legacy `linkedlist` module has been removed
[[`84a23391f6`](84a23391f6)]
[#12113](#12113).
* **N-API**
* Experimental support for the new N-API API has been added
[[`56e881d0b0`](56e881d0b0)]
[#11975](#11975).
* **Process**
* Process warning output can be redirected to a file using the
`--redirect-warnings` command-line argument
[[`03e89b3ff2`](03e89b3ff2)]
[#10116](#10116).
* Process warnings may now include additional detail
[[`dd20e68b0f`](dd20e68b0f)]
[#12725](#12725).
* **REPL**
* REPL magic mode has been deprecated
[[`3f27f02da0`](3f27f02da0)]
[#11599](#11599).
* **Src**
* `NODE_MODULE_VERSION` has been updated to 57
(ec7cbaf266)]
[#12995](#12995).
* Add `--pending-deprecation` command-line argument and
`NODE_PENDING_DEPRECATION` environment variable
[[`a16b570f8c`](a16b570f8c)]
[#11968](#11968).
* The `--debug` command-line argument has been deprecated. Note that
using `--debug` will enable the *new* Inspector-based debug protocol
as the legacy Debugger protocol previously used by Node.js has been
removed. [[`010f864426`](010f864426)]
[#12949](#12949).
* Throw when the `-c` and `-e` command-line arguments are used at the same
time [[`a5f91ab230`](a5f91ab230)]
[#11689](#11689).
* Throw when the `--use-bundled-ca` and `--use-openssl-ca` command-line
arguments are used at the same time.
[[`8a7db9d4b5`](8a7db9d4b5)]
[#12087](#12087).
* **Stream**
* `Stream` now supports `destroy()` and `_destroy()` APIs
[[`b6e1d22fa6`](b6e1d22fa6)]
[#12925](#12925).
* `Stream` now supports the `_final()` API
[[`07c7f198db`](07c7f198db)]
[#12828](#12828).
* **TLS**
* The `rejectUnauthorized` option now defaults to `true`
[[`348cc80a3c`](348cc80a3c)]
[#5923](#5923).
* The `tls.createSecurePair()` API now emits a runtime deprecation
[[`a2ae08999b`](a2ae08999b)]
[#11349](#11349).
* A runtime deprecation will now be emitted when `dhparam` is less than
2048 bits [[`d523eb9c40`](d523eb9c40)]
[#11447](#11447).
* **URL**
* The WHATWG URL implementation is now a fully-supported Node.js API
[[`d080ead0f9`](d080ead0f9)]
[#12710](#12710).
* **Util**
* `Symbol` keys are now displayed by default when using `util.inspect()`
[[`5bfd13b81e`](5bfd13b81e)]
[#9726](#9726).
* `toJSON` errors will be thrown when formatting `%j`
[[`455e6f1dd8`](455e6f1dd8)]
[#11708](#11708).
* Convert `inspect.styles` and `inspect.colors` to prototype-less objects
[[`aab0d202f8`](aab0d202f8)]
[#11624](#11624).
* The new `util.promisify()` API has been added
[[`99da8e8e02`](99da8e8e02)]
[#12442](#12442).
* **Zlib**
* Support `Uint8Array` in Zlib convenience methods
[[`91383e47fd`](91383e47fd)]
[#12001](#12001).
* Zlib errors now use `RangeError` and `TypeError` consistently
[[`b514bd231e`](b514bd231e)]
[#11391](#11391).
jasnell
added a commit
that referenced
this pull request
May 30, 2017
* **Async Hooks**
* The `async_hooks` module has landed in core
[[`4a7233c178`](4a7233c178)]
[#12892](#12892).
* **Buffer**
* Using the `--pending-deprecation` flag will cause Node.js to emit a
deprecation warning when using `new Buffer(num)` or `Buffer(num)`.
[[`d2d32ea5a2`](d2d32ea5a2)]
[#11968](#11968).
* `new Buffer(num)` and `Buffer(num)` will zero-fill new `Buffer` instances
[[`7eb1b4658e`](7eb1b4658e)]
[#12141](#12141).
* Many `Buffer` methods now accept `Uint8Array` as input
[[`beca3244e2`](beca3244e2)]
[#10236](#10236).
* **Child Process**
* Argument and kill signal validations have been improved
[[`97a77288ce`](97a77288ce)]
[#12348](#12348),
[[`d75fdd96aa`](d75fdd96aa)]
[#10423](#10423).
* Child Process methods accept `Uint8Array` as input
[[`627ecee9ed`](627ecee9ed)]
[#10653](#10653).
* **Console**
* Error events emitted when using `console` methods are now supressed.
[[`f18e08d820`](f18e08d820)]
[#9744](#9744).
* **Dependencies**
* The npm client has been updated to 5.0.0
[[`3c3b36af0f`](3c3b36af0f)]
[#12936](#12936).
* V8 has been updated to 5.8 with forward ABI stability to 6.0
[[`60d1aac8d2`](60d1aac8d2)]
[#12784](#12784).
* **Domains**
* Native `Promise` instances are now `Domain` aware
[[`84dabe8373`](84dabe8373)]
[#12489](#12489).
* **Errors**
* We have started assigning static error codes to errors generated by Node.js.
This has been done through multiple commits and is still a work in
progress.
* **File System**
* The utility class `fs.SyncWriteStream` has been deprecated
[[`7a55e34ef4`](7a55e34ef4)]
[#10467](#10467).
* The deprecated `fs.read()` string interface has been removed
[[`3c2a9361ff`](3c2a9361ff)]
[#9683](#9683).
* **HTTP**
* Improved support for userland implemented Agents
[[`90403dd1d0`](90403dd1d0)]
[#11567](#11567).
* Outgoing Cookie headers are concatenated into a single string
[[`d3480776c7`](d3480776c7)]
[#11259](#11259).
* The `httpResponse.writeHeader()` method has been deprecated
[[`fb71ba4921`](fb71ba4921)]
[#11355](#11355).
* New methods for accessing HTTP headers have been added to `OutgoingMessage`
[[`3e6f1032a4`](3e6f1032a4)]
[#10805](#10805).
* **Lib**
* All deprecation messages have been assigned static identifiers
[[`5de3cf099c`](5de3cf099c)]
[#10116](#10116).
* The legacy `linkedlist` module has been removed
[[`84a23391f6`](84a23391f6)]
[#12113](#12113).
* **N-API**
* Experimental support for the new N-API API has been added
[[`56e881d0b0`](56e881d0b0)]
[#11975](#11975).
* **Process**
* Process warning output can be redirected to a file using the
`--redirect-warnings` command-line argument
[[`03e89b3ff2`](03e89b3ff2)]
[#10116](#10116).
* Process warnings may now include additional detail
[[`dd20e68b0f`](dd20e68b0f)]
[#12725](#12725).
* **REPL**
* REPL magic mode has been deprecated
[[`3f27f02da0`](3f27f02da0)]
[#11599](#11599).
* **Src**
* `NODE_MODULE_VERSION` has been updated to 57
(ec7cbaf266)]
[#12995](#12995).
* Add `--pending-deprecation` command-line argument and
`NODE_PENDING_DEPRECATION` environment variable
[[`a16b570f8c`](a16b570f8c)]
[#11968](#11968).
* The `--debug` command-line argument has been deprecated. Note that
using `--debug` will enable the *new* Inspector-based debug protocol
as the legacy Debugger protocol previously used by Node.js has been
removed. [[`010f864426`](010f864426)]
[#12949](#12949).
* Throw when the `-c` and `-e` command-line arguments are used at the same
time [[`a5f91ab230`](a5f91ab230)]
[#11689](#11689).
* Throw when the `--use-bundled-ca` and `--use-openssl-ca` command-line
arguments are used at the same time.
[[`8a7db9d4b5`](8a7db9d4b5)]
[#12087](#12087).
* **Stream**
* `Stream` now supports `destroy()` and `_destroy()` APIs
[[`b6e1d22fa6`](b6e1d22fa6)]
[#12925](#12925).
* `Stream` now supports the `_final()` API
[[`07c7f198db`](07c7f198db)]
[#12828](#12828).
* **TLS**
* The `rejectUnauthorized` option now defaults to `true`
[[`348cc80a3c`](348cc80a3c)]
[#5923](#5923).
* The `tls.createSecurePair()` API now emits a runtime deprecation
[[`a2ae08999b`](a2ae08999b)]
[#11349](#11349).
* A runtime deprecation will now be emitted when `dhparam` is less than
2048 bits [[`d523eb9c40`](d523eb9c40)]
[#11447](#11447).
* **URL**
* The WHATWG URL implementation is now a fully-supported Node.js API
[[`d080ead0f9`](d080ead0f9)]
[#12710](#12710).
* **Util**
* `Symbol` keys are now displayed by default when using `util.inspect()`
[[`5bfd13b81e`](5bfd13b81e)]
[#9726](#9726).
* `toJSON` errors will be thrown when formatting `%j`
[[`455e6f1dd8`](455e6f1dd8)]
[#11708](#11708).
* Convert `inspect.styles` and `inspect.colors` to prototype-less objects
[[`aab0d202f8`](aab0d202f8)]
[#11624](#11624).
* The new `util.promisify()` API has been added
[[`99da8e8e02`](99da8e8e02)]
[#12442](#12442).
* **Zlib**
* Support `Uint8Array` in Zlib convenience methods
[[`91383e47fd`](91383e47fd)]
[#12001](#12001).
* Zlib errors now use `RangeError` and `TypeError` consistently
[[`b514bd231e`](b514bd231e)]
[#11391](#11391).
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Checklist
Affected core subsystem(s)
buffer
Description of change
Allow all methods on buffer and Buffer to take Uint8Array
Benchmark results @ https://gist.github.com/addaleax/8544e43f7d28a58d032944137afeabf4, summary in this foldarguments where it makes sense. On the native side, there is
effectively no difference, and as a bonus the isUint8Array
check is faster than instanceof Buffer.
/cc @nodejs/buffer
CI: https://ci.nodejs.org/job/node-test-commit/6602/