GNU bug report logs - #63810
29.0.91; typescript-ts-mode grammar missing the "is" keyword

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Message #11 received at 63810 <at> debbugs.gnu.org (full text, mbox):

From: Theodor Thornhill <theo <at> thornhill.no>
To: Eli Zaretskii <eliz <at> gnu.org>, Jimmy Yuen Ho Wong <wyuenho <at> gmail.com>,
 Jostein Kjonigsen <jostein <at> kjonigsen.net>, Yuan Fu <casouri <at> gmail.com>
Cc: 63810 <at> debbugs.gnu.org
Subject: Re: bug#63810: 29.0.91; typescript-ts-mode grammar missing the "is" keyword
Date: Wed, 31 May 2023 15:20:00 +0200

On 31 May 2023 14:21:50 CEST, Eli Zaretskii <eliz <at> gnu.org> wrote:
>> From: Jimmy Yuen Ho Wong <wyuenho <at> gmail.com>
>> Date: Wed, 31 May 2023 08:30:14 +0100
>> 
>> 1. C-x C-f test.ts
>> 2. Insert
>>    ```typescript
>>    function isFish(pet: Fish | Bird): pet is Fish {
>>      return (pet as Fish).swim !== undefined;
>>    }
>>    ```
>> 3. Observe the `is` keyword isn't highlighted.
>> 
>> Expectation:
>> 
>> TypeScript has a concept called type predicates, which introduces a
>> keyword called `is`.
>
>Thanks.
>
>Can you guys please look into this?

Thanks for the ping. Will look into it this evening.

Theo

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