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Cancel response stream when connection closes#9071

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lilnasy merged 4 commits intowithastro:mainfrom
pilcrowonpaper:node-cancel-stream
Nov 15, 2023
Merged

Cancel response stream when connection closes#9071
lilnasy merged 4 commits intowithastro:mainfrom
pilcrowonpaper:node-cancel-stream

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@pilcrowonpaper pilcrowonpaper commented Nov 12, 2023

Changes

Testing

No test added, would love some directions

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🦋 Changeset detected

Latest commit: d2f50f2

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@github-actions github-actions bot added pkg: integration Related to any renderer integration (scope) pr: docs A PR that includes documentation for review labels Nov 12, 2023
@pilcrowonpaper pilcrowonpaper changed the title cancel stream on close Cancel response stream when connection closes Nov 12, 2023
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lilnasy commented Nov 12, 2023

Thanks for the enhancement, the code looks great! Good eye on the unused modules as well.

Do you think this behavior could be easily tested?

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pilcrowonpaper commented Nov 12, 2023

@lilnasy Hm, it should be possible, though I'm not sure what's the best way to test step 4

  1. Make fetch() request to server
  2. Return response with stream
  3. Abort fetch() request
  4. Check if cancel() was called

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lilnasy commented Nov 12, 2023

What is the current unwanted behavior?

Is it that the readable stream continues to produce chunks, possibly endlessly?

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pilcrowonpaper commented Nov 12, 2023

Is it that the readable stream continues to produce chunks, possibly endlessly?

Yeah. This is especially an issue for server sent events since there's no definite end to the stream. It continues to push data until the client closes the connection

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lilnasy commented Nov 12, 2023

Yeah, we could use locals for that. I'll take a look.

lilnasy
lilnasy reviewed Nov 12, 2023
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lilnasy
lilnasy reviewed Nov 12, 2023
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lilnasy approved these changes Nov 12, 2023
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LGTM, thanks!

bluwy
bluwy approved these changes Nov 14, 2023
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The original PR that added the response iterator was #5418, but it sounds like this PR aligns more with how Response work as a standard, so I think this is the right approach.

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pilcrowonpaper commented Nov 14, 2023

Is it true that the response body can be a Buffer?

Sometimes Astro sends a ReadableStream or a Buffer as a response body

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bluwy commented Nov 14, 2023

I think it's possible in the past when we support returning simple objects in endpoints, but now that we enforce and coerce to Response, it shouldn't apply now.

sarah11918
sarah11918 reviewed Nov 15, 2023
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Update .changeset/modern-ways-develop.md
d2f50f2 
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
@lilnasy lilnasy merged commit c948713 into withastro:main Nov 15, 2023
This was referenced Nov 15, 2023
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peng added a commit to peng/astro that referenced this pull request Nov 17, 2023
@peng
Merge branch 'main' into feat-add-warn
cd112c9 
* main:
  feat(i18n): add `Astro.currentLocale` (withastro#9101)
  [ci] release (withastro#9107)
  Add compatibility with cloudflare node (withastro#8925)
  [ci] format
  Cancel response stream when connection closes (withastro#9071)
  [ci] format
  feat(i18n): apply specific routing logic only to pages (withastro#9091)
  feat(dev-overlay): Hide plugins into a separate menu when there's too many enabled (withastro#9102)
  [ci] format
  Support Svelte 5 (experimental) (withastro#9098)
  [ci] release (withastro#9078)
  [ci] format
  Refactor shikiji syntax highlighting code (withastro#9083)
  [ci] format
  fix: Query params trigger the trailingSlash error in preview mode (withastro#9045)
  fix(assets): bundling regression for specific config on non-Node runtimes (withastro#9087)
natemoo-re pushed a commit that referenced this pull request Nov 22, 2023
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@sarah11918 @natemoo-re
Cancel response stream when connection closes (#9071)
79c5f31 
* cancel stream on close

* add changeset

* add test

* Update .changeset/modern-ways-develop.md

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

---------

Co-authored-by: lilnasy <69170106+lilnasy@users.noreply.github.com>
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
@lilnasy lilnasy mentioned this pull request Nov 30, 2023
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@mingjunlu mingjunlu mentioned this pull request Feb 4, 2024
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ematipico pushed a commit that referenced this pull request Feb 5, 2025
@pilcrowonpaper @lilnasy @sarah11918
Cancel response stream when connection closes (#9071)
bcdd11d 
* cancel stream on close

* add changeset

* add test

* Update .changeset/modern-ways-develop.md

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

---------

Co-authored-by: lilnasy <69170106+lilnasy@users.noreply.github.com>
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
ematipico pushed a commit that referenced this pull request Feb 5, 2025
@pilcrowonpaper @lilnasy @sarah11918
Cancel response stream when connection closes (#9071)
85ee65e 
* cancel stream on close

* add changeset

* add test

* Update .changeset/modern-ways-develop.md

Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>

---------

Co-authored-by: lilnasy <69170106+lilnasy@users.noreply.github.com>
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
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ReadableStream in response body not canceled when client closes connection

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