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util.inspect(new CompressionStream()) returns undefined #52263

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ehmicky opened this issue Mar 29, 2024 · 8 comments · Fixed by #52283
Closed

util.inspect(new CompressionStream()) returns undefined #52263

ehmicky opened this issue Mar 29, 2024 · 8 comments · Fixed by #52283
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good first issue Issues that are suitable for first-time contributors. web streams

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@ehmicky
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ehmicky commented Mar 29, 2024

Version

v21.7.1

Platform

Linux my-laptop 6.5.0-26-generic #26-Ubuntu SMP PREEMPT_DYNAMIC Tue Mar 5 21:19:28 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

Subsystem

stream/web

What steps will reproduce the bug?

const stream = new CompressionStream('gzip');
console.log(stream); // undefined

This applies to DecompressionStream() as well.

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

Earlier Node.js versions show the same behavior.

The behavior is the same regardless of whether it is accessed as a global variable or as an import from stream/web.

The behavior happens on my machine, but it appears on other users that tried it too. I also tried it on an online REPL for Node.js.

What is the expected behavior? Why is that the expected behavior?

The return value should not be undefined.

What do you see instead?

The return value is undefined.

Additional information

I tried it in Firefox and Chrome, and it does not return undefined.

When calling CompressionStream.toString(), it appears the correct source code is being used. That source code looks normal to me.

What I find very strange is how new ... can return undefined. I through it was impossible. Even if the constructor returned a value (which it does not here), that value is ignored if it is undefined.

@KhafraDev
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customInspect(depth, options, 'CompressionStream', {

customInspect(depth, options, 'DecompressionStream', {

These lines are missing a return.

@KhafraDev KhafraDev added good first issue Issues that are suitable for first-time contributors. web streams labels Mar 29, 2024
@ehmicky
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ehmicky commented Mar 29, 2024

Right, this is it!
So new CompressionStream() and new DecompressionStream() do not return undefined. They are just printed as undefined by util.inspect().

@ehmicky ehmicky changed the title new CompressionStream() returns undefined util.inspect(new CompressionStream()) returns undefined Mar 29, 2024
@mertcanaltin
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I opened a pr for this place thank you very much for the details

@ehmicky
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ehmicky commented Mar 30, 2024

Thanks @mertcanaltin!

@mnik7044
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mnik7044 commented May 4, 2024

hey @ehmicky is this issue resolved? Or do you want someone to work on it? I would be more than happy to help and get started.

@ehmicky
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ehmicky commented May 4, 2024

This is being worked on at #52283

@mnik7044
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mnik7044 commented May 4, 2024

Understood, can you refer any good first issues for me, to get started with the project. I have a strong foundation of JavaScript and want to contribute to nodejs. Though all the good first issues are either resolved or someone else is working on it

@ehmicky
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ehmicky commented May 4, 2024

@mnik7044 That's great. However, you should probably open a new issue, since this question is unrelated.

aduh95 pushed a commit that referenced this issue May 12, 2024
PR-URL: #52283
Fixes: #52263
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Daeyeon Jeong <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Matthew Aitken <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Deokjin Kim <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
targos pushed a commit that referenced this issue May 12, 2024
PR-URL: #52283
Fixes: #52263
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Daeyeon Jeong <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Matthew Aitken <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Deokjin Kim <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
EliphazBouye pushed a commit to EliphazBouye/node that referenced this issue Jun 20, 2024
PR-URL: nodejs#52283
Fixes: nodejs#52263
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Daeyeon Jeong <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Matthew Aitken <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Deokjin Kim <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
bmeck pushed a commit to bmeck/node that referenced this issue Jun 22, 2024
PR-URL: nodejs#52283
Fixes: nodejs#52263
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Daeyeon Jeong <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Matthew Aitken <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Deokjin Kim <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
targos pushed a commit that referenced this issue Sep 21, 2024
PR-URL: #52283
Fixes: #52263
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Daeyeon Jeong <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Matthew Aitken <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Deokjin Kim <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
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