This is work towards resolving the response.finished confusion and
future deprecation.

Note that implementation-wise, streams have both an ending and ended
state. However, in this case (in order to avoid confusion in user space)
writableEnded is equal to writable.ending. The ending vs ended situation
is internal state required for internal stream logic.

PR-URL: #28934
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This is work towards resolving the response.finished confusion and
future deprecation.

Note that implementation-wise, streams have both an ending and ended
state. However, in this case (in order to avoid confusion in user space)
writableEnded is equal to writable.ending. The ending vs ended situation
is internal state required for internal stream logic.

PR-URL: #28934
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Notable changes:

* **crypto**:
  * Added an oaepHash option to asymmetric encryption which allows users to specify a hash function when using OAEP padding (Tobias Nießen) [#28335](#28335).
* **deps**:
  * Updated V8 to 7.6.303.29 (Michaël Zasso) [#28955](#28955).
    * Improves the performance of various APIs such as `JSON.parse` and methods
      called on frozen arrays.
    * Adds the [`Promise.allSettled`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/allSettled) method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0 (cjihrig) [#29070](#29070).
    * `UV_FS_O_FILEMAP` has been added for faster access to memory mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been added.
* **fs**:
  * Added `fs.writev` and `fs.writevSync` methods. They allow to write an array of `ArrayBufferView`s to a file descriptor (Anas Aboureada) [#25925](#25925).
* **http**:
  * Added three properties to `OutgoingMessage.prototype`: `writableObjectMode`, `writableLength` and `writableHighWaterMark` [#29018](#29018).
* **stream**:
  * Added an new property `writableEnded` to writable streams. Its value is set to `true` after `writable.end()` has been called. (Robert Nagy) [#28934](#28934).

PR-URL: #29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    https://github.com/nodejs/node/pull/29186/files
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    nodejs#28335
* deps:
  * Updated V8 to 7.6.303.29. nodejs#28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. nodejs#29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. nodejs#25925
    https://github.com/nodejs/node/pull/29186/files
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    nodejs#29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    nodejs#28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    nodejs#28934

PR-URL: nodejs#29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    #29186
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210

Notable changes:

* crypto:
  * Added an oaepHash option to asymmetric encryption which allows
    users to specify a hash function when using OAEP padding.
    #28335
* deps:
  * Updated V8 to 7.6.303.29. #28955
    * Improves the performance of various APIs such as `JSON.parse` and
      methods called on frozen arrays.
    * Adds the Promise.allSettled method.
    * Improves support of `BigInt` in `Intl` methods.
    * For more information: https://v8.dev/blog/v8-release-76
  * Updated libuv to 1.31.0. #29070
    * `UV_FS_O_FILEMAP` has been added for faster access to memory
      mapped files on Windows.
    * `uv_fs_mkdir()` now returns `UV_EINVAL` for invalid filenames on
      Windows. It previously returned `UV_ENOENT`.
    * The `uv_fs_statfs()` API has been added.
    * The `uv_os_environ()` and `uv_os_free_environ()` APIs have been
      added.
* fs:
  * Added `fs.writev`, `fs.writevSync` and `filehandle.writev` (promise
    version) methods. They allow to write an array of `ArrayBufferView`s
    to a file descriptor. #25925
    #29186
* http:
  * Added three properties to `OutgoingMessage.prototype`:
    `writableObjectMode`, `writableLength` and `writableHighWaterMark`
    #29018
* stream:
  * Added an new property `readableEnded` to readable streams. Its value
    is set to `true` when the `'end'` event is emitted.
    #28814
  * Added an new property `writableEnded` to writable streams. Its value
    is set to `true` after `writable.end()` has been called.
    #28934

PR-URL: #29210