doc: deprecate http finished

PR-URL: #28679
Refs: #28651
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

doc/api/deprecations.md

@@ -2521,6 +2521,27 @@ Type: Documentation-only (supports [`--pending-deprecation`][])
 The `process._tickCallback` property was never documented as
 an officially supported API.
 
+<a id="DEP0136"></a>
+### DEP0136: `http` `finished`
+<!-- YAML
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/28679
+    description: Documentation-only deprecation.
+-->
+
+Type: Documentation-only
+
+[`response.finished`][] indicates whether [`response.end()`][] has been
+called, not whether `'finish'` has been emitted and the underlying data
+is flushed.
+
+Use [`response.writableFinished`][] or [`response.writableEnded`][]
+accordingly instead to avoid the ambigiuty.
+
+To maintain existing behaviour `response.finished` should be replaced with
+`response.writableEnded`.
+
 [`--http-parser=legacy`]: cli.html#cli_http_parser_library
 [`--pending-deprecation`]: cli.html#cli_pending_deprecation
 [`--throw-deprecation`]: cli.html#cli_throw_deprecation
@@ -2580,6 +2601,10 @@ an officially supported API.
 [`request.connection`]: http.html#http_request_connection
 [`response.socket`]: http.html#http_response_socket
 [`response.connection`]: http.html#http_response_connection
+[`response.end()`]: http.html#http_response_end_data_encoding_callback
+[`response.finished`]: #http_response_finished
+[`response.writableFinished`]: #http_response_writablefinished
+[`response.writableEnded`]: #http_response_writableended
 [`script.createCachedData()`]: vm.html#vm_script_createcacheddata
 [`setInterval()`]: timers.html#timers_setinterval_callback_delay_args
 [`setTimeout()`]: timers.html#timers_settimeout_callback_delay_args

doc/api/http.md

@@ -620,8 +620,11 @@ is finished.
 ### `request.finished`
 <!-- YAML
 added: v0.0.1
+deprecated: REPLACEME
 -->
 
+> Stability: 0 - Deprecated. Use [`request.writableEnded`][].
+
 * {boolean}
 
 The `request.finished` property will be `true` if [`request.end()`][]
@@ -1297,8 +1300,11 @@ is finished.
 ### `response.finished`
 <!-- YAML
 added: v0.0.2
+deprecated: REPLACEME
 -->
 
+> Stability: 0 - Deprecated. Use [`response.writableEnded`][].
+
 * {boolean}
 
 The `response.finished` property will be `true` if [`response.end()`][]
@@ -2368,12 +2374,14 @@ not abort the request or do anything besides add a `'timeout'` event.
 [`request.socket.getPeerCertificate()`]: tls.html#tls_tlssocket_getpeercertificate_detailed
 [`request.socket`]: #http_request_socket
 [`request.writableFinished`]: #http_request_writablefinished
+[`request.writableEnded`]: #http_request_writableended
 [`request.write(data, encoding)`]: #http_request_write_chunk_encoding_callback
 [`response.end()`]: #http_response_end_data_encoding_callback
 [`response.getHeader()`]: #http_response_getheader_name
 [`response.setHeader()`]: #http_response_setheader_name_value
 [`response.socket`]: #http_response_socket
 [`response.writableFinished`]: #http_response_writablefinished
+[`response.writableEnded`]: #http_response_writableended
 [`response.write()`]: #http_response_write_chunk_encoding_callback
 [`response.write(data, encoding)`]: #http_response_write_chunk_encoding_callback
 [`response.writeContinue()`]: #http_response_writecontinue

doc/api/http2.md

@@ -3091,8 +3091,11 @@ is finished.
 #### `response.finished`
 <!-- YAML
 added: v8.4.0
+deprecated: REPLACEME
 -->
 
+> Stability: 0 - Deprecated. Use [`response.writableEnded`][].
+
 * {boolean}
 
 Boolean value that indicates whether the response has completed. Starts
@@ -3576,6 +3579,7 @@ following additional properties:
 [`response.end()`]: #http2_response_end_data_encoding_callback
 [`response.setHeader()`]: #http2_response_setheader_name_value
 [`response.socket`]: #http2_response_socket
+[`response.writableEnded`]: #http2_response_writableended
 [`response.write()`]: #http2_response_write_chunk_encoding_callback
 [`response.write(data, encoding)`]: http.html#http_response_write_chunk_encoding_callback
 [`response.writeContinue()`]: #http2_response_writecontinue