[wp-trac] [WordPress Trac] #33001: Customizer loads wp-a11y.js multiple times

[WordPress Trac]

#33001: Customizer loads wp-a11y.js multiple times
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 Reporter:  afercia               |       Owner:  westonruter
     Type:  defect (bug)          |      Status:  accepted
 Priority:  normal                |   Milestone:  4.3
Component:  Customize             |     Version:  4.2
 Severity:  normal                |  Resolution:
 Keywords:  has-patch needs-      |     Focuses:  accessibility, javascript
  testing                         |
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Changes (by westonruter):

 * keywords:  needs-patch => has-patch needs-testing


Comment:

 @afercia: Good point on changing the script dependencies. There's no need
 for `wp.a11y` in the Customizer preview, so we can make `wp-a11y` a
 dependency of `customize-controls`, which is the shared dependency of
 `customize-widgets` and `customize-nav-menus` which are the two scripts
 that actually use this `wp.a11y`. I think it makes sense for the
 dependency to be added to `customize-controls` as opposed to those
 dependent scripts because `wp.a11y` will surely be used more in the core
 Customizer going forward. See [attachment:33001.diff] and if good, add the
 `commit` keyword.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33001#comment:3>
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