Hi Per,
I have just tested the changes with the Ajax extension module and it
works as expected. Thanks for considering adding this feature. This
would help me creating jQuery compatible Ajax module for Mochikit
extensions project.
Currently, I'm quite busy with some another work but supposed to come
back on MochiKit Extensions soon...
Regards
--
Amit Mendapara
On Jul 20, 2:26 pm, Per Cederberg cederb...@gmail.com wrote:
Slow response here, but I finally got around to committing this to
Subversion (r1533):
http://trac.mochikit.com/changeset/1533
Modified the patch a bit further to account for some additional cases.
Also added tests and documentation.
@Bob: Can you please review this change? I have the feeling that I've
still missed one or two corner cases... Also, the mochikit.com and
trac.mochikit.com site seems slow from here... High server load
recently?
@Amit: Please check that my additional controls doesn't break you use case.
Cheers,
/Per
On Wed, Feb 11, 2009 at 14:52, Amit Mendaparamendapara.a...@gmail.com wrote:
Even better...
if (this.chain.length == 0 this._finalizer) {
this._finalized = this._finalizer(res);
}
This will allow us to finalize the deferred based on some
conditions...
- Amit
On Feb 11, 12:52 am, Per Cederberg cederb...@gmail.com wrote:
You mean like this?
setFinalizer: function(cb) {
this._finalizer = cb;
}
...
if (this.chain.length == 0 this._finalizer) {
this.finalized = true;
if (res instanceof Error) {
this._finalizer(res);
}
}
Would that be acceptable to Amit as well? In that case we would add a
default error handler (called a finalizer), which would also be what
I'm planning to use this for.
Other opinions?
/Per
On Tue, Feb 10, 2009 at 5:48 PM, Bob Ippolito b...@redivi.com wrote:
Finalizing a Deferred should ensure that no further callback/errbacks
are registered and it should attach a default error handler (success
should be no-op). The most common problem I've seen with Deferreds is
that an error occurs but nobody attached an error handler that far
down the stack. In Python they work around this by having a finalizer
so that you see the error when the object gets GC'ed, but that's not
really possible in JS since you don't have finalizers or weak
references.
On Tue, Feb 10, 2009 at 8:04 AM, Per Cederberg cederb...@gmail.com
wrote:
I think this is a good idea. I needed something similar too, so I
ended up writing an ugly hack that worked most of the time...
d.addBoth(function (res) {d.addBoth(finalFunc); return res; });
It adds new callback once the first deferred result drops in,
hopefully after all the other callbacks have been added...
But a more formally correct solution would probably be a good idea.
Cheers,
/Per
On Tue, Feb 10, 2009 at 2:30 PM, Amit Mendapara
mendapara.a...@gmail.com wrote:
Hi Per,
I have just started again improving the MochiKit Extensions. While
creating tests for the Ajax module, I found one problem (not bug, but
specific to the feature I'm trying to implement). I registered a
callback which should be fired at the end of all registered callbacks.
I achieved by modifying Async.js with a new method `setFinal` (not
addFinal as there should be only one finalizer) which gets fired when
`chain.length == 0`. It's simple. I would we happy if you add one such
function in MochiKit.Async.Defered...
Regards
--
Amit
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