[wp-trac] [WordPress Trac] #37981: template_include not working in customizer previewer

[WordPress Trac]

#37981: template_include not working in customizer previewer
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 Reporter:  jaschaio      |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Customize     |     Version:  4.6.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  javascript, administration
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Comment (by westonruter):

 @jaschaio you have to make sure that the `wp_head()` and `wp_footer()`
 calls are made so that scripts are printed. If `customize-preview.js`
 isn't output, then the loaded page won't be able to communicate to the
 parent frame that the page has finished loading. This issue actually came
 up recently elsewhere: https://github.com/Automattic/amp-
 wp/issues/477#issuecomment-247679386

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Ticket URL: <https://core.trac.wordpress.org/ticket/37981#comment:2>
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