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Re: JSON imports?

From: Glen Huang <curvedmark@gmail.com>
Date: Sat, 18 Apr 2015 22:06:53 +0800
Cc: public-webapps <public-webapps@w3.org>, Matthew Robb <matthewwrobb@gmail.com>, Wilson Page <wilsonpage@me.com>
Message-Id: <FF385979-DECE-4C7E-B6BC-1EE685298E96@gmail.com>
To: Elliott Sprehn <esprehn@chromium.org>
Didn't know about this trick. Thanks.

But I guess you have to make sure the file being prefetched must have a long cache time set in the http header? Otherwise when it's fetched, the file is going to be downloaded again?

What if you don't have control over the json file's http header?

> On Apr 18, 2015, at 10:12 AM, Elliott Sprehn <esprehn@chromium.org> wrote:
> 
> <link rel=prefetch> does that for you.
> 
> On Apr 17, 2015 7:08 PM, "Glen Huang" <curvedmark@gmail.com <mailto:curvedmark@gmail.com>> wrote:
> One benefit is that browsers can start downloading it asap, instead of waiting util the fetch code is executed (which could itself be in a separate file).
> 
>> On Apr 18, 2015, at 8:41 AM, Elliott Sprehn <esprehn@chromium.org <mailto:esprehn@chromium.org>> wrote:
>> 
>> 
>> 
>> On Fri, Apr 17, 2015 at 6:33 AM, Glen Huang <curvedmark@gmail.com <mailto:curvedmark@gmail.com>> wrote:
>> Basic feature like this shouldn't rely on a custom solution. However, it does mean that if browsers implement this, it's easily polyfillable.
>> 
>> What does this get you over fetch() ? Imports run scripts and enforce ordering an deduplication. Importing JSON doesn't really make much sense.
>> 
>> 
>>> On Apr 17, 2015, at 9:23 PM, Wilson Page <wilsonpage@me.com <mailto:wilsonpage@me.com>> wrote:
>>> 
>>> Sounds like something you could write yourself with a custom-elements. Yay extensible web :)
>>> 
>>> On Fri, Apr 17, 2015 at 1:32 PM, Matthew Robb <matthewwrobb@gmail.com <mailto:matthewwrobb@gmail.com>> wrote:
>>> I like the idea of this. It reminds me of polymer's core-ajax component.
>>> 
>>> On Apr 16, 2015 11:39 PM, "Glen Huang" <curvedmark@gmail.com <mailto:curvedmark@gmail.com>> wrote:
>>> Inspired by HTML imports, can we add JSON imports too?
>>> 
>>> ```html
>>> <script type="application/json" src="foo.json" id="foo"></script>
>>> <script type="application/json" id="bar">
>>> { "foo": "bar" }
>>> </script>
>>> ```
>>> 
>>> ```js
>>> document.getElementById("foo").json // or whatever
>>> document.getElementById("bar").json
>>> ```
>>> 
>>> 
>> 
>> 
> 
Received on Saturday, 18 April 2015 14:07:27 UTC

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