[wp-trac] [WordPress Trac] #29820: Smooth installation and updating of plugins and themes

[WordPress Trac]

#29820: Smooth installation and updating of plugins and themes
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 Reporter:  markjaquith      |       Owner:
     Type:  task (blessed)   |      Status:  new
 Priority:  high             |   Milestone:  4.2
Component:  Upgrade/Install  |     Version:
 Severity:  normal           |  Resolution:
 Keywords:  ux-feedback      |     Focuses:  ui, javascript, administration
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Comment (by pento):

 Also TODO, via @nacin:

 > Not sure who wrote it, but the XHR bits are overly complicated.
 >
 > Bring in `wp-util.js` and use `wp.ajax.post` with `.done()`, `.fail()`,
 and `.always()`.
 >
 > Those RequestComplete, Error, and Success named functions can just
 become closures, probably. (Or not, if there's a desire to leave them like
 that for testability.)

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Ticket URL: <https://core.trac.wordpress.org/ticket/29820#comment:57>
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