[wp-trac] [WordPress Trac] #29572: Customizer: add a framework for rendering controls from JS templates

[WordPress Trac]

#29572: Customizer: add a framework for rendering controls from JS templates
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 Reporter:  celloexpressions        |       Owner:
     Type:  feature request         |      Status:  new
 Priority:  high                    |   Milestone:  4.1
Component:  Customize               |     Version:  3.4
 Severity:  normal                  |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:  javascript
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Changes (by celloexpressions):

 * keywords:  has-patch => has-patch dev-feedback


Comment:

 Specific dev-feedback-y questions:
 - How do we feel about the concept of "registered control types"?
 - Should we go ahead and implement render-container logic, but leave it
 unused in core, or is it okay to indicate that things will change a bit
 here in the future to accommodate that? (again, that would be necessary
 once we formalize the ability to dynamically render controls, and
 eventually do that for all controls, via ajax for unsupported types).
 - Can/should we always export all class variable to json, or should it
 remain a whitelist, with the requirement of adding custom class variables
 in subclasses (that's what [attachment:#29572.diff] does)?
 - Should we check if the string passed is a WP_Customize_Control before
 registering it, or okay to assume that it's fine?

 I'd like to wait on further work on #21483 so that we can leverage this
 there, hence high-priority. Would be ideal to get this in sooner rather
 than later to facilitate additional feedback and further integrations in
 various core and third-party controls. But not really reasonable to
 demonstrate this outside of core via a plugin, much like how the Panels
 API was introduced.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29572#comment:6>
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