I'm still not clear how this relates to what I'm reporting here...

On Thu, Jan 16, 2014 at 2:11 PM, Rafael Weinstein <[email protected]>wrote:

> The bug has to do with unreachable paths, e.g.
>
> var foo = {};
>
> foo.bar.baz; // throws in JS. In TemplateBinding/polymer-expressions, this
> path should evaluate to undefined (not throw). This was broken, but the
> referenced bug fixes it.
>
>
> On Thu, Jan 16, 2014 at 11:02 AM, Rob Eisenberg <
> [email protected]> wrote:
>
>> Can you explain the actual issue? When it's fixed, will I get control
>> over the bind function again? or will it just fix the toString issue?
>> A related question....since I'm using individual pollyfills, what's the
>> best way to keep up with changes and keep my dependencies up to date? I'm
>> guessing I should just track each individual repo...
>>
>>
>> On Thu, Jan 16, 2014 at 1:40 PM, Eric Bidelman <[email protected]> wrote:
>>
>>> There's a bug:
>>> https://groups.google.com/forum/?fromgroups=#!topic/polymer-dev/SPbOamjlbhc
>>>
>>> Should be fixed in the next push (likely today).
>>>
>>>
>>> On Thu, Jan 16, 2014 at 9:13 AM, Rob Eisenberg <
>>> [email protected]> wrote:
>>>
>>>> I had a pretty nice custom element system build on the pollyfills
>>>> from Stable release 2013-11-07  When I updated to 0.1.2, everything broke.
>>>> I've been going throughout, fixing things bit by bit, but now I'm to a
>>>> point where I'm wondering if there's something wrong with Polymer. It seems
>>>> as if custom element binding are being evaluated before the element is
>>>> upgraded. I'm not sure about that, but I can't explain the behavior I'm
>>>> seeing any other way. Here's my custom element test code:
>>>>
>>>> var proto = Object.create(HTMLElement.prototype);
>>>>
>>>> proto.createdCallback = function () {
>>>>     this.customAttributes = {};
>>>>     console.log('created');
>>>> };
>>>>
>>>> proto.attachedCallback = function() {
>>>>     console.log('attached');
>>>> };
>>>>
>>>> proto.bind = function(name, value, oneTime) {
>>>>     console.log('bind', name, value, oneTime);
>>>> };
>>>>
>>>> proto.setAttribute = function(name, value) {
>>>>     console.log('setAttribute', name, value);
>>>> };
>>>>
>>>> proto.attributeChangedCallback = function(attrName, oldVal, newVal) {
>>>>     console.log('attribute changed', attrName, oldVal, newVal);
>>>> };
>>>>
>>>> Object.defineProperty(proto, 'something', {
>>>>     get: function () {
>>>>         return this.customAttributes['something'];
>>>>     },
>>>>     set: function (val) {
>>>>         this.customAttributes['something'] = value;
>>>>         console.log('something change', value);
>>>>     }
>>>> });
>>>>
>>>> document.registerElement('dx-test', { prototype: proto });
>>>>
>>>> Then I use it inside of one of my templates like this:
>>>>
>>>> <dx-test something="{{someProperty}}"></dx-test>
>>>>
>>>> When I do this, the only callback that is fired is *createdCallback * and
>>>> by then it seems to have already parsed the bindings out. This prevents me
>>>> from having any custom *bind* logic and even from reliably getting the
>>>> value of my own property. If *something* is not a primitive value,
>>>> then attribute's value is the result of *toString().*
>>>>
>>>> Am I doing something wrong here? Is this a bug?
>>>>
>>>> Follow Polymer on Google+: plus.google.com/107187849809354688692
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>>>>
>>>
>>>
>>
>>
>> --
>> Rob Eisenberg,
>> President - Blue Spire
>> www.durandaljs.com
>>
>> Follow Polymer on Google+: plus.google.com/107187849809354688692
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>>
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>>
>
>


-- 
Rob Eisenberg,
President - Blue Spire
www.durandaljs.com

Follow Polymer on Google+: plus.google.com/107187849809354688692
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