GNU bug report logs - #59660
29.0.50; typescript-ts-mode consistently fontifies method-names incorrectly

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From: Jostein Kjønigsen <jostein <at> secure.kjonigsen.net>
To: Theodor Thornhill <theo <at> thornhill.no>
Cc: 59660 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, jostein <at> kjonigsen.net, Yuan Fu <casouri <at> gmail.com>
Subject: bug#59660: 29.0.50; typescript-ts-mode consistently fontifies method-names incorrectly
Date: Tue, 29 Nov 2022 17:35:31 +0100

> On 29 Nov 2022, at 16:10, Theodor Thornhill <theo <at> thornhill.no> wrote:
> 
> Jostein Kjønigsen <jostein <at> secure.kjonigsen.net> writes:
> 
>> Cc: 59660 <at> debbugs.gnu.org, theo <at> thornhill.no
>>>> From: Yuan Fu <casouri <at> gmail.com>
>>>> Date: Mon, 28 Nov 2022 15:06:30 -0800
>>>> 
>>>> Maybe you can remove the :override flag for the property_identifier rule, so it doesn’t shadow the function rule? Would that work better?
>> I plan to test that as quickly as I time permits. If we can make both 
>> behaviours work, that would obviously be the best.
>>> This could be a personal preference, perhaps?  It isn't clear to me that
>>> only one of the two is definitely correct.  So maybe we need a user option
>>> for which one overrides which?
>> 
>> I honestly think this is reasonably clear.
>> 
>> "Properties" with getters and setters are at this point in time almost 
>> entirely unused in EcmaScript/TypeScript space. They are optional and 
>> have complicated syntax, and don't play well with JSON serialization 
>> (and thus can't be used in REST APIs).
>> 
>> You however cannot write a program without defining or invoking 
>> methods/functions. So not having method-fontification working correctly 
>> will literally impact **all** TypeScript-users.
> 
> Could you give me a code example, Jostein?  I'm just interested in a
> repro, because I can't reproduce it with the typescript-ts-mode.
> 
> I tried using this from [0]:
> ```
> class Greeter {
>  greeting: string;
> 
>  constructor(message: string) {
>    this.greeting = message;
>  }
> 
>  greet() {
>    return "Hello, " + this.greeting;
>  }
> }
> ```
> 
> On my end I get no property-face, just function-name-face.  Both on
> constructor and greet.  I'm not saying I disagree with you, but what am
> I missing?
> 
> Theo
> 
> [0]: https://www.typescriptlang.org/docs/handbook/classes.html
> 

I’ve already submitted patches to fix this which Yuan has pushed. Try going a couple days back in time and try again ;) 

What remains to be decided is what we do with property-highlighting, and if we can find a way to enable that without colliding with function-names. 

—
Jostein Kjønigsen
https://jostein.kjønigsen.net

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