[wp-trac] [WordPress Trac] #18302: Improve child theme file inheritance by introducing `theme_url()` to locate a file URI

[WordPress Trac]

#18302: Improve child theme file inheritance by introducing `theme_url()` to locate
a file URI
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 Reporter:  johnbillion                          |       Owner:  westi
     Type:  enhancement                          |      Status:  reviewing
 Priority:  normal                               |   Milestone:  3.5
Component:  Template                             |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch westi-likes needs-unit-    |
  tests                                          |
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Comment (by scribu):

 The problem is that it's all-or-nothing; if you overwrite a file, you have
 to copy all the other code that you're not interested in changing, which
 hurts maintenance and back-compat. Parent theme developers would then be
 inclined to split their JS code into more files, which hurts performance.

 In contrast, if the JS file isn't overwritable, you're inclined to just
 enqueue another one on top, which also hurts performance, but not as much.

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Ticket URL: <http://core.trac.wordpress.org/ticket/18302#comment:31>
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