[wp-trac] [WordPress Trac] #58848: `wp_set_script_translations` only sets translations for the default language

[WordPress Trac]

#58848: `wp_set_script_translations` only sets translations for the default
language
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 Reporter:  dathix             |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  I18N               |     Version:  6.2
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by dathix):

 I can happily provide some more information but unfortunately, there is
 not much to say in addition to my previous message. Down below you will
 find the code that we are using to load the script translations. The site
 uses a ''Sage 10'' theme and ''acorn'' to bundle the scripts. We want to
 register the translations to all our scripts so therefore the loop.
 {{{lang_path()}}} is a helper function from acorn that provides us with
 the path of the language folder inside our theme. This folder contains two
 sets of JSON language files (German & French) generated by the i18n CLI
 command. But as I said this setup works fine with WordPress <6.2.

 {{{
 add_action('wp_enqueue_scripts', function () {
     $app = bundle('app')->enqueue();

     foreach (array_keys($app->js()->keys()->toArray()) as $handle) {
         wp_set_script_translations("app/$handle", 'default', lang_path());
     }
 }, 100);
 }}}

 Without the call of {{{wp_set_script_translations()}}} I am getting my
 default strings in English inside my scripts. The function seems to only
 registers the German translations from the JSON files. As a test, I
 deleted the JSON files for the German translation and tried to only
 register the French ones but in this case, the function returns false and
 I am still getting the English strings. The default language of the site
 is set to German (de_CH) and the site uses WPML. But as I already said
 nothing else was updated except WordPress.

 Thanks in advance and appreciate your effort!

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Ticket URL: <https://core.trac.wordpress.org/ticket/58848#comment:6>
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