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SimenB opened this issue Apr 20, 2022 · 4 comments · Fixed by #42807
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Accessing FormData (without using it) emits experimental warning #42792

SimenB opened this issue Apr 20, 2022 · 4 comments · Fixed by #42807

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@SimenB
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SimenB commented Apr 20, 2022 •
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Version

v18.0.0

Platform

Darwin Simens-MacBook-Pro.local 21.4.0 Darwin Kernel Version 21.4.0: Fri Mar 18 00:45:05 PDT 2022; root:xnu-8020.101.4~15/RELEASE_X86_64 x86_64

Subsystem

No response

What steps will reproduce the bug?

node -e FormData

How often does it reproduce? Is there a required condition?

Always.

What is the expected behavior?

No experimental warning should be emitted by simple accessing the variable without using it, similar to accessing fetch itself.

What do you see instead?

(node:97789) ExperimentalWarning: The Fetch API is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)

Additional information

Like typeof fetch not emitting any warning, typeof FormData shouldn't. Using it should emit, but not simply accessing the variable.
This was referenced Apr 20, 2022
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@targos
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targos commented Apr 20, 2022 •
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This is tricky to do, because the classes are defined in the undici dependency (where there is no experimental warning), so we would have to make wrapper classes that emit in the constructor, but I can't find a good way to do that without loading undici (and that has side-effects that breaks some of our tests).

@targos
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targos commented Apr 20, 2022

@nodejs/undici

@SimenB SimenB mentioned this issue Apr 20, 2022
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@aduh95
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aduh95 commented Apr 20, 2022

We could consider removing the runtime warning for FormData altogether (but keep the experimental status in the docs).

@mcollina
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Let's remove the experimental warning from FormData.

@meixg meixg mentioned this issue Apr 21, 2022
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nodejs-github-bot pushed a commit that referenced this issue Apr 24, 2022
@meixg
lib: remove experimental warning from FormData
5ad47a0 
fixes: #42792

PR-URL: #42807
Fixes: #42792
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
xtx1130 pushed a commit to xtx1130/node that referenced this issue Apr 25, 2022
@meixg @xtx1130
lib: remove experimental warning from FormData
3c72f88 
fixes: nodejs#42792

PR-URL: nodejs#42807
Fixes: nodejs#42792
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
targos pushed a commit that referenced this issue Apr 28, 2022
@meixg @targos
lib: remove experimental warning from FormData
d33cbab 
fixes: #42792

PR-URL: #42807
Fixes: #42792
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Akhil Marsonya <akhil.marsonya27@gmail.com>
@mantoni mantoni mentioned this issue May 3, 2022
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feat: remove experimental warning from FormData
4 participants
@mcollina @SimenB @targos @aduh95