Split streams into more features (#2491)

* Move ReadableStream.values from streams to async-iterable-streams

* Add transferable-streams feature

* Add readablestream-from feature

* Add readablestreambyobreader-read-min feature

* Add transformstream-transformer-cancel feature

* Update to BCD 5.6.27

* Assign transformer_cancel BCD feature to transformstream-transformer-cancel

* Update feature descriptions

Co-authored-by: Patrick Brosset <[email protected]>

* Update dist

* Revert changes in package-lock.json

* Run Prettier

* Add readable-byte-streams feature

* Update dist

* Update note about status change

* Apply suggestions from code review

Co-authored-by: Daniel D. Beck <[email protected]>

* Escape quotes

* Merge min option into readable-byte-streams

* Run Prettier

---------

Co-authored-by: Patrick Brosset <[email protected]>
Co-authored-by: Patrick Brosset <[email protected]>
Co-authored-by: Daniel D. Beck <[email protected]>

Author: 3 people

features/async-iterable-streams.yml

@@ -4,3 +4,4 @@ spec: https://streams.spec.whatwg.org/#rs-asynciterator
 group: streams
 compat_features:
   - api.ReadableStream.@@asyncIterator
+  - api.ReadableStream.values

features/async-iterable-streams.yml.dist

@@ -11,3 +11,4 @@ status:
     firefox_android: "110"
 compat_features:
   - api.ReadableStream.@@asyncIterator
+  - api.ReadableStream.values

features/readable-byte-streams.yml

@@ -0,0 +1,27 @@
+name: Readable byte streams
+description: 'A `ReadableStream` constructed with `{ type: "bytes" }` reads bytes from a stream without making extra copies, improving efficiency for streams of large chunks. Also known as BYOB or bring your own buffer.'
+spec: https://streams.spec.whatwg.org/
+caniuse: streams
+group: streams
+status:
+  compute_from:
+    - api.ReadableStreamBYOBReader
+compat_features:
+  - api.ReadableByteStreamController
+  - api.ReadableByteStreamController.byobRequest
+  - api.ReadableByteStreamController.close
+  - api.ReadableByteStreamController.desiredSize
+  - api.ReadableByteStreamController.enqueue
+  - api.ReadableByteStreamController.error
+  - api.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.cancel
+  - api.ReadableStreamBYOBReader.closed
+  - api.ReadableStreamBYOBReader.read
+  - api.ReadableStreamBYOBReader.releaseLock
+  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
+  - api.ReadableStreamBYOBRequest
+  - api.ReadableStreamBYOBRequest.respond
+  - api.ReadableStreamBYOBRequest.respondWithNewView
+  - api.ReadableStreamBYOBRequest.view
+  - api.ReadableStreamBYOBReader.read.options_min_parameter

features/readable-byte-streams.yml.dist

@@ -0,0 +1,51 @@
+# Generated from: readable-byte-streams.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "89"
+    chrome_android: "89"
+    edge: "89"
+    firefox: "102"
+    firefox_android: "102"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "89"
+  #   chrome_android: "89"
+  #   edge: "89"
+  #   firefox: "102"
+  #   firefox_android: "102"
+  - api.ReadableByteStreamController
+  - api.ReadableByteStreamController.byobRequest
+  - api.ReadableByteStreamController.close
+  - api.ReadableByteStreamController.desiredSize
+  - api.ReadableByteStreamController.enqueue
+  - api.ReadableByteStreamController.error
+  - api.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.cancel
+  - api.ReadableStreamBYOBReader.closed
+  - api.ReadableStreamBYOBReader.read
+  - api.ReadableStreamBYOBReader.releaseLock
+  - api.ReadableStreamBYOBRequest
+  - api.ReadableStreamBYOBRequest.respond
+  - api.ReadableStreamBYOBRequest.respondWithNewView
+  - api.ReadableStreamBYOBRequest.view
+
+  # baseline: false
+  # support:
+  #   chrome: "105"
+  #   chrome_android: "105"
+  #   edge: "105"
+  #   firefox: "102"
+  #   firefox_android: "102"
+  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
+
+  # baseline: false
+  # support:
+  #   firefox: "134"
+  #   firefox_android: "134"
+  - api.ReadableStreamBYOBReader.read.options_min_parameter

features/readablestream-from.yml

@@ -0,0 +1,6 @@
+name: ReadableStream.from()
+description: The `ReadableStream.from()` static method converts an iterable or async iterable object, such as an array or async generator function, into a readable stream.
+spec: https://streams.spec.whatwg.org/#rs-from
+group: streams
+compat_features:
+  - api.ReadableStream.from_static

features/readablestream-from.yml.dist

@@ -0,0 +1,10 @@
+# Generated from: readablestream-from.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    firefox: "117"
+    firefox_android: "117"
+compat_features:
+  - api.ReadableStream.from_static

features/streams.yml

@@ -1,38 +1,19 @@
 name: Streams
 description: The streams API creates, composes, and consumes continuously generated data.
 spec: https://streams.spec.whatwg.org/
-caniuse: streams
 group: streams
 # TODO: https://github.com/web-platform-dx/web-features/issues/1971
-# Status changed: https://github.com/web-platform-dx/web-features/pull/2358
+# Status changed: https://github.com/web-platform-dx/web-features/pull/2358, https://github.com/web-platform-dx/web-features/pull/2491
 # 2024-12-19 — low → false — Regressed status to match Caniuse, which considers support beginning at BYOB shipping.
+# 2025-01-30 — false → high — Split BYOB into a separate "readable-byte-streams" feature. Linked that one to Caniuse.
 # References:
 # - https://caniuse.com/streams
 status:
   compute_from:
-    - api.ReadableStreamBYOBReader
+    - api.ReadableStream
+    - api.TransformStream
+    - api.WritableStream
 compat_features:
-  - api.ReadableByteStreamController
-  - api.ReadableByteStreamController.byobRequest
-  - api.ReadableByteStreamController.close
-  - api.ReadableByteStreamController.desiredSize
-  - api.ReadableByteStreamController.enqueue
-  - api.ReadableByteStreamController.error
-  - api.ReadableStream.from_static
-  - api.ReadableStream.transferable
-  - api.ReadableStream.values
-  - api.ReadableStreamBYOBReader
-  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
-  - api.ReadableStreamBYOBReader.cancel
-  - api.ReadableStreamBYOBReader.closed
-  - api.ReadableStreamBYOBReader.read
-  - api.ReadableStreamBYOBReader.read.options_min_parameter
-  - api.ReadableStreamBYOBReader.releaseLock
-  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
-  - api.ReadableStreamBYOBRequest
-  - api.ReadableStreamBYOBRequest.respond
-  - api.ReadableStreamBYOBRequest.respondWithNewView
-  - api.ReadableStreamBYOBRequest.view
   - api.ReadableStreamDefaultController
   - api.ReadableStreamDefaultController.close
   - api.ReadableStreamDefaultController.desiredSize
@@ -52,15 +33,13 @@ compat_features:
   - api.TransformStream
   - api.TransformStream.TransformStream
   - api.TransformStream.readable
-  - api.TransformStream.transferable
   - api.TransformStream.writable
   - api.TransformStreamDefaultController
   - api.TransformStreamDefaultController.desiredSize
   - api.TransformStreamDefaultController.enqueue
   - api.TransformStreamDefaultController.error
   - api.TransformStreamDefaultController.terminate
   - api.WritableStream.close
-  - api.WritableStream.transferable
   - api.WritableStreamDefaultController.signal
   - api.WritableStreamDefaultWriter.WritableStreamDefaultWriter
   - api.ByteLengthQueuingStrategy

features/streams.yml.dist

@@ -2,13 +2,17 @@
 # Do not edit this file by hand. Edit the source file instead!
 
 status:
-  baseline: false
+  baseline: high
+  baseline_low_date: 2022-06-28
+  baseline_high_date: 2024-12-28
   support:
-    chrome: "89"
-    chrome_android: "89"
-    edge: "89"
+    chrome: "67"
+    chrome_android: "67"
+    edge: "79"
     firefox: "102"
     firefox_android: "102"
+    safari: "14.1"
+    safari_ios: "14.5"
 compat_features:
   # baseline: high
   # baseline_low_date: 2019-01-29
@@ -198,6 +202,7 @@ compat_features:
   #   safari_ios: "10.3"
   - api.ReadableStream.pipeThrough
 
+  # ⬇️ Same status as overall feature ⬇️
   # baseline: high
   # baseline_low_date: 2022-06-28
   # baseline_high_date: 2024-12-28
@@ -257,69 +262,3 @@ compat_features:
   #   safari: "17"
   #   safari_ios: "17"
   - api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request
-
-  # baseline: false
-  # support:
-  #   chrome: "87"
-  #   chrome_android: "87"
-  #   edge: "87"
-  #   firefox: "103"
-  #   firefox_android: "103"
-  - api.ReadableStream.transferable
-  - api.TransformStream.transferable
-  - api.WritableStream.transferable
-
-  # ⬇️ Same status as overall feature ⬇️
-  # baseline: false
-  # support:
-  #   chrome: "89"
-  #   chrome_android: "89"
-  #   edge: "89"
-  #   firefox: "102"
-  #   firefox_android: "102"
-  - api.ReadableByteStreamController
-  - api.ReadableByteStreamController.byobRequest
-  - api.ReadableByteStreamController.close
-  - api.ReadableByteStreamController.desiredSize
-  - api.ReadableByteStreamController.enqueue
-  - api.ReadableByteStreamController.error
-  - api.ReadableStreamBYOBReader
-  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
-  - api.ReadableStreamBYOBReader.cancel
-  - api.ReadableStreamBYOBReader.closed
-  - api.ReadableStreamBYOBReader.read
-  - api.ReadableStreamBYOBReader.releaseLock
-  - api.ReadableStreamBYOBRequest
-  - api.ReadableStreamBYOBRequest.respond
-  - api.ReadableStreamBYOBRequest.respondWithNewView
-  - api.ReadableStreamBYOBRequest.view
-
-  # baseline: false
-  # support:
-  #   chrome: "105"
-  #   chrome_android: "105"
-  #   edge: "105"
-  #   firefox: "102"
-  #   firefox_android: "102"
-  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
-
-  # baseline: false
-  # support:
-  #   chrome: "124"
-  #   chrome_android: "124"
-  #   edge: "124"
-  #   firefox: "110"
-  #   firefox_android: "110"
-  - api.ReadableStream.values
-
-  # baseline: false
-  # support:
-  #   firefox: "117"
-  #   firefox_android: "117"
-  - api.ReadableStream.from_static
-
-  # baseline: false
-  # support:
-  #   firefox: "134"
-  #   firefox_android: "134"
-  - api.ReadableStreamBYOBReader.read.options_min_parameter

features/transferable-streams.yml

@@ -0,0 +1,8 @@
+name: Transferable streams
+description: Streams are transferable objects, which can be moved between contexts such as windows and workers.
+spec: https://streams.spec.whatwg.org/#rs-transfer
+group: streams
+compat_features:
+  - api.ReadableStream.transferable
+  - api.TransformStream.transferable
+  - api.WritableStream.transferable

features/transferable-streams.yml.dist

@@ -0,0 +1,15 @@
+# Generated from: transferable-streams.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "87"
+    chrome_android: "87"
+    edge: "87"
+    firefox: "103"
+    firefox_android: "103"
+compat_features:
+  - api.ReadableStream.transferable
+  - api.TransformStream.transferable
+  - api.WritableStream.transferable