[wp-trac] [WordPress Trac] #38573: Ajax requests in customizer controls don't inject customized state as done in preview

[WordPress Trac]

#38573: Ajax requests in customizer controls don't inject customized state as done
in preview
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 Reporter:  westonruter   |       Owner:
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  Future Release
Component:  Customize     |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  javascript
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Comment (by westonruter):

 * Use URL state for Ajax requests instead of wp.customize.settings. Move
 to base, but then can't use existing query params?
 * Eliminate add request previewing wrapper so that underlying function can
 be overridden?

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Ticket URL: <https://core.trac.wordpress.org/ticket/38573#comment:4>
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