GNU bug report logs - #78121
tsx-ts-mode: wrong indentation of body with misindented args

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: bug-gnu-emacs <at> gnu.org
Subject: tsx-ts-mode: wrong indentation of body with misindented args
Date: Mon, 28 Apr 2025 23:15:35 +0700

Given this TypeScript:

    const updatePage = (a1: string,
                        a2: number) => {
      return true;
    }

upon attempting to indent the `return true;` line it becomes indented as:

    const updatePage = (a1: string,
                        a2: number) => {
                          return true;
    }

which isn't expected.

P.S.: I'd note separately that a2 gets indented to 2 spaces, which even though goes in line with VSCode, I am not sure if it's useful. Does anybody even indent the second param to "2 spaces" when 1st param resides much further align-wise? C and C++ modes align 2-nd param to the 1st one, python-mode does too. Should perhaps tsx-ts-mode handle that similarly as well?

Message #8 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: 78121 <at> debbugs.gnu.org
Subject: bug#78121: tsx-ts-mode: wrong indentation of body with misindented
 args
Date: Tue, 29 Apr 2025 22:21:37 +0700

[Message part 1 (text/plain, inline)]

I wrote a fix and added a test, please review.

I did not touch the situation discussed in P.S. (should I maybe create
a separate issue for that?), this only fixes the problem reported.

[1.patch (text/x-patch, attachment)]

Message #11 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: 78121 <at> debbugs.gnu.org
Subject: Re: bug#78121: tsx-ts-mode: wrong indentation of body with
 misindented args
Date: Tue, 29 Apr 2025 22:38:31 +0700

[Message part 1 (text/plain, inline)]

On Tue, 2025-04-29 at 22:21 +0700, Konstantin Kharlamov wrote:
> I wrote a fix and added a test, please review.
> 
> I did not touch the situation discussed in P.S. (should I maybe
> create
> a separate issue for that?), this only fixes the problem reported.

v2: improved the test to cover potential edge case, clarified
description.

[1.patch (text/x-patch, attachment)]

Message #14 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: 78121 <at> debbugs.gnu.org
Subject: Re: bug#78121: tsx-ts-mode: wrong indentation of body with
 misindented args
Date: Wed, 30 Apr 2025 01:10:39 +0700

[Message part 1 (text/plain, inline)]

On Tue, 2025-04-29 at 22:38 +0700, Konstantin Kharlamov wrote:
> On Tue, 2025-04-29 at 22:21 +0700, Konstantin Kharlamov wrote:
> > I wrote a fix and added a test, please review.
> > 
> > I did not touch the situation discussed in P.S. (should I maybe
> > create
> > a separate issue for that?), this only fixes the problem reported.
> 
> v2: improved the test to cover potential edge case, clarified
> description.

v3: typo in test name

[1.patch (text/x-patch, attachment)]

Message #17 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Yuan Fu <casouri <at> gmail.com>
To: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
Cc: 78121 <at> debbugs.gnu.org
Subject: Re: bug#78121: tsx-ts-mode: wrong indentation of body with
 misindented args
Date: Thu, 1 May 2025 00:40:36 -0700

> On Apr 29, 2025, at 11:10 AM, Konstantin Kharlamov <Hi-Angel <at> yandex.ru> wrote:
> 
> On Tue, 2025-04-29 at 22:38 +0700, Konstantin Kharlamov wrote:
>> On Tue, 2025-04-29 at 22:21 +0700, Konstantin Kharlamov wrote:
>>> I wrote a fix and added a test, please review.
>>> 
>>> I did not touch the situation discussed in P.S. (should I maybe
>>> create
>>> a separate issue for that?), this only fixes the problem reported.
>> 
>> v2: improved the test to cover potential edge case, clarified
>> description.
> 
> v3: typo in test name
> <1.patch>

Thank you very much! I see your point. But could you make the test simpler, so it’s easier to see the intent of the test? 

Yuan

Message #20 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: Yuan Fu <casouri <at> gmail.com>
Cc: 78121 <at> debbugs.gnu.org
Subject: Re: bug#78121: tsx-ts-mode: wrong indentation of body with
 misindented args
Date: Thu, 01 May 2025 14:55:18 +0700

[Message part 1 (text/plain, inline)]

On Thu, 2025-05-01 at 00:40 -0700, Yuan Fu wrote:
> 
> 
> > On Apr 29, 2025, at 11:10 AM, Konstantin Kharlamov
> > <Hi-Angel <at> yandex.ru> wrote:
> > 
> > On Tue, 2025-04-29 at 22:38 +0700, Konstantin Kharlamov wrote:
> > > On Tue, 2025-04-29 at 22:21 +0700, Konstantin Kharlamov wrote:
> > > > I wrote a fix and added a test, please review.
> > > > 
> > > > I did not touch the situation discussed in P.S. (should I maybe
> > > > create
> > > > a separate issue for that?), this only fixes the problem
> > > > reported.
> > > 
> > > v2: improved the test to cover potential edge case, clarified
> > > description.
> > 
> > v3: typo in test name
> > <1.patch>
> 
> Thank you very much! I see your point. But could you make the test
> simpler, so it’s easier to see the intent of the test? 

Sure, which part do you find worth improving?  I did a few amendments
(attached), which might make the test prettier, will be glad to hear if
I can improve it further.  That aside, I am hopeful the test
description provides the information about test purpose.

v4: 1. made parameter names alphabetic (and thus equally sized), 2.
aligned every 2nd param to the 1st one. Initially I avoided this on
purpose, but while writing an email I figured my reasoning missed a
point, aligning them is fine.

[1.patch (text/x-patch, attachment)]

Message #23 received at 78121 <at> debbugs.gnu.org (full text, mbox):

From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
To: Yuan Fu <casouri <at> gmail.com>
Cc: 78121 <at> debbugs.gnu.org
Subject: Re: bug#78121: tsx-ts-mode: wrong indentation of body with
 misindented args
Date: Thu, 01 May 2025 15:37:48 +0700

On Thu, 2025-05-01 at 14:55 +0700, Konstantin Kharlamov wrote:
> On Thu, 2025-05-01 at 00:40 -0700, Yuan Fu wrote:
> > 
> > 
> > > On Apr 29, 2025, at 11:10 AM, Konstantin Kharlamov
> > > <Hi-Angel <at> yandex.ru> wrote:
> > > 
> > > On Tue, 2025-04-29 at 22:38 +0700, Konstantin Kharlamov wrote:
> > > > On Tue, 2025-04-29 at 22:21 +0700, Konstantin Kharlamov wrote:
> > > > > I wrote a fix and added a test, please review.
> > > > > 
> > > > > I did not touch the situation discussed in P.S. (should I
> > > > > maybe
> > > > > create
> > > > > a separate issue for that?), this only fixes the problem
> > > > > reported.
> > > > 
> > > > v2: improved the test to cover potential edge case, clarified
> > > > description.
> > > 
> > > v3: typo in test name
> > > <1.patch>
> > 
> > Thank you very much! I see your point. But could you make the test
> > simpler, so it’s easier to see the intent of the test? 
> 
> Sure, which part do you find worth improving?  I did a few amendments
> (attached), which might make the test prettier, will be glad to hear
> if
> I can improve it further.  That aside, I am hopeful the test
> description provides the information about test purpose.
> 
> v4: 1. made parameter names alphabetic (and thus equally sized), 2.
> aligned every 2nd param to the 1st one. Initially I avoided this on
> purpose, but while writing an email I figured my reasoning missed a
> point, aligning them is fine.

In case the question is about the function declarations being embedded:
at least f2 is purpose.  f2 tests that if a function is embedded, it
still results in expected indentation. I could move f3 out though, but
this would result in increase of the ELisp that does indentation
(because right now I indent everything up to (point-max), but if I move
f3 out, I'd have to indent two places separately).  That aside, I think
it's also nice to have more tests for embedded functions 😊

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