Did you add this as a plugin? It doesn't seem like that's something
that we'd ship in jQuery core.

Glad to hear that it's really coming together, though!

--John



On Wed, Dec 9, 2009 at 11:33 AM, Julian Aubourg
<aubourg.jul...@gmail.com> wrote:
> Another update: I added a jsonp over iframe transport similar to the
> one I had developped for my jquery-jsonp plugin (soon to be obsolete,
> hopefully). Made me confident enough coding a new transport and
> binding it to a dataType is both easy and non-intrusive. I have some
> refactoring to do between $.ajax and $.ajax.createRequest but we're
> almost there.
>
> On 8 déc, 23:56, Julian Aubourg <aubourg.jul...@gmail.com> wrote:
>> Just comitted version 2 of the ajax refactoring for those interested. The
>> tree is in sync with latest jQuery tree.
>>
>> No more global transport selection function: transports are now bound to
>> dataTypes through jQuery.ajax.bindTransport( dataTypeSelector,
>> factoryFunction ). The dataTypeSelector is a string containing dataType
>> names separated by spaces. If you put a + sign in front of the dataType
>> name, then the transport will be the first one to be tested for that
>> specific dataType.
>>
>> For instance: jQuery.ajax.bindTransport( "+json text",
>> myTransportFactoryFunction ) ensures myTransportFactoryFunction is the first
>> one called for a request with json dataType and the last one called for a
>> request with test dataType.
>>
>> The factory function is in charge of determining if its transport is
>> suitable for the given request (it gets the request options object as its
>> only parameter). It can return the transport object (with a mandatory send
>> method and an optional abort method) or nothing (or false). If it does the
>> latter, two cases :
>> 1) the dataType in the options object hasn't been changed, in which case the
>> selector looks for the next transport in line
>> 2) the dataType has been changed and the selector intelligently redirects to
>> the transports for this new dataType.
>>
>> Transports are tested for the dataType and, if non was found, for the
>> catchall "*" transports. An exception is raised if no transport is found.
>>
>> Edge cases, such as cumbersome request type detections, can be handled using
>> jQuery.ajax.prefilter( prefilteringFunction ): you can see an example of
>> that in transports/jsonp.js.
>
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