[wp-trac] [WordPress Trac] #31320: Make customizer JavaScript API available during the live preview

[WordPress Trac]

#31320: Make customizer JavaScript API available during the live preview
-------------------------+------------------------------
 Reporter:  Fab1en       |       Owner:
     Type:  enhancement  |      Status:  reopened
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Customize    |     Version:  4.1
 Severity:  normal       |  Resolution:
 Keywords:  needs-patch  |     Focuses:  javascript
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Comment (by westonruter):

 @Fab1en Try listening for the `active` message sent from the parent, as
 was implemented in [33134], so something like:

 {{{#!js
 wp.customize.preview.bind( 'active', function() {
     wp.customize.preview.send( 'please-do-this-for-me', 'first-param' );
 });
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/31320#comment:9>
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