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Re: [css-cascade] Allowing @import to be conditional on @supports queries

From: Florian Rivoal <florian@rivoal.net>
Date: Mon, 23 Mar 2015 09:17:32 +0100
Cc: "Tab Atkins Jr." <jackalmage@gmail.com>, www-style list <www-style@w3.org>
Message-Id: <CE3ED67A-9777-4C51-B7F8-157149F8BC45@rivoal.net>
To: fantasai <fantasai.lists@inkedblade.net>

> On 23 Mar 2015, at 01:43, fantasai <fantasai.lists@inkedblade.net> wrote:
> 
> On 03/20/2015 01:44 PM, Florian Rivoal wrote:
>> 
>>> On 20 Mar 2015, at 18:52, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
>>> 
>>> On Fri, Mar 20, 2015 at 4:34 AM, Florian Rivoal <florian@rivoal.net> wrote:
>>>> One of the downside of this is that it requires double parentheses in simple cases:
>>>> 
>>>> @import "http://example.com/foo.css" supports((display:flex));
>>>> 
>>>> It made sense to mandate the parentheses in the @support rule, but they seem overkill here, and is probably surprising for authors. We could do:
>>>> 
>>>> @import <url> [ supports(<supports-condition> | <declaration>) ]? <media-query-list>? ;
>>>> 
>>>> which would let you write:
>>>> 
>>>> @import "http://example.com/foo.css" supports(display:flex);
>>> 
>>> I think fantasai brought this up as well.  I can go either way, though
>>> I'll note that we explicitly rejected this for CSS.supports().
>> 
>> 
>> I forgot about that CSS.supports() is a little bit different though:
>> 
>> CSS.supports("(display: flex)")
>> 
>> The language boundary introduced by the quotes makes it a little bit less silly
>> in my mind to have to keep the parens.
>> 
>> But I agree the difference isn't that strong.
> 
> I think they're all silly and would prefer that we allowed dropping the
> unnecessary parens in all such cases.

I think they're both silly, and would agree with allowing dropping the unnecessary parens in both cases, but the lack of a language barrier in the case of @imports <url> supports(<supports-condition>); makes it more silly/surprising, so I care more about this one than the other.

 - Florian 
Received on Monday, 23 March 2015 08:17:57 UTC

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