[wp-trac] [WordPress Trac] #31501: Customizer Save race condition when attempting to publish too soon after updating widget form fields with multiple edits

[WordPress Trac]

#31501: Customizer Save race condition when attempting to publish too soon after
updating widget form fields with multiple edits
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 Reporter:  westonruter   |       Owner:  ocean90
     Type:  defect (bug)  |      Status:  reviewing
 Priority:  normal        |   Milestone:  4.1.2
Component:  Customize     |     Version:  3.9
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  javascript
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Changes (by westonruter):

 * keywords:   => has-patch
 * owner:   => ocean90
 * status:  new => reviewing


Comment:

 In [attachment:31501.diff]:

  * Abort a previous updateWidget request when starting a new one
  * Defer gathering customized data until processing state is properly
 zeroed-out

 Example widget that illustrates current problem:
 https://gist.github.com/westonruter/3b472e1491be0bb6bfb4
 Try updating the two fields back and forth quickly, pause a moment to see
 them appear in the preview, then type some more and then immediately hit
 Save & Publish. The data that ends up getting saved is consistently not
 the last data that was entered.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31501#comment:2>
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