ember-alpha support

[jasonmit]

Assertion Failed: You cannot use `attributeBindings` on a tag-less component: <account@component:head-layout::ember184>

Currently fails on glimmer2 with this, I'll try and dig into the issue but I don't believe ember-cli-head uses attributeBindings anywhere so it may be an upstream bug.

[jasonmit]

Closing, I was reopening Ember.Component and adding an attribute binding which effected ember-cli-head's component.

[jasonmit]

ember.debug.js:15157 Uncaught Error: Assertion Failed: Cannot append multiple root views
EmberError  @   ember.debug.js:15157
assert  @   ember.debug.js:5760
assert  @   ember.debug.js:14926
_renderRoot @   ember.debug.js:10082
appendOutletView    @   ember.debug.js:10010
appendTo    @   ember.debug.js:13199
didCreateRootView   @   ember.debug.js:2918
_setOutlets @   ember.debug.js:25825
invoke  @   ember.debug.js:1064
flush   @   ember.debug.js:1128
flush   @   ember.debug.js:936
end @   ember.debug.js:250
(anonymous function)

So after resolving the above issue, another issue popped up that I don't believe has to do with my app code and appears to only happen with ember-cli-head enabled.

[ronco]

Dang. The appendTo implementation here was always slightly unorthodox to
get the job done. If that's no longer viable we'll need to find an
alternative. I just went on vacation so won't be able to dig in for over a
week. If you have any insights/solutions I'm happy to give them a look.

On Thu, Sep 1, 2016 at 6:00 PM Jason Mitchell notifications@github.com
wrote:

Reopened #10 #10.

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[mitchlloyd]

Hey, fellow appendTo user here. There have been some recent commits in Ember to support multiple top level components (these are in Canary today). I have a feeling that this issue may be resolved now.

[jasonmit]

@mitchlloyd could you point me to the PR/commits so I can validate my ember build has the change?

This was tested on ember#alpha today.

Edit: found it emberjs/ember.js#14179

[chancancode]

@jasonmit did that fix it?

[jasonmit]

@chancancode no longer seeing the issue. Thanks everyone.