[wp-trac] [WordPress Trac] #38292: Introduce exclusion for WP_Theme::scandir()

[WordPress Trac]

#38292: Introduce exclusion for WP_Theme::scandir()
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 Reporter:  lukasbesch                   |      Owner:
     Type:  enhancement                  |     Status:  new
 Priority:  normal                       |  Milestone:  Awaiting Review
Component:  Themes                       |    Version:  4.6.1
 Severity:  normal                       |   Keywords:
  Focuses:  administration, performance  |
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 I am using NPM to manage my theme's dependencies during development and
 ran into the following issue where accessing `wp-
 admin/edit.php?post_type=page` returned an empty response. Tracing it down
 I found out that WordPress is looking for possible page templates in the
 theme directory. Scanning the `node_modules` folder is probably too much a
 server can handle.

 To solve this problem I suggest to introduce an exclusion list so theme
 developers can add directories (and files) that will be ignored when
 searching for post templates. I am not aware of any disadvantages of this
 solution and don't exactly know where the function is used elsewhere.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38292>
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