https://aldeasinfantiles.org.uy/core/modules/system/js/system.js?v=9.5.9

1/**
2* DO NOT EDIT THIS FILE.
3* See the following change record for more information,
4* https://www.drupal.org/node/2815083
5* @preserve
6**/
7(function ($, Drupal, drupalSettings) {
8  var ids = [];
9  Drupal.behaviors.copyFieldValue = {
10    attach: function attach(context) {
11      Object.keys(drupalSettings.copyFieldValue || {}).forEach(function (element) {
12        ids.push(element);
13      });
14      if (ids.length) {
15        $(once('copy-field-values', 'body')).on('value:copy', this.valueTargetCopyHandler);
16        $(once('copy-field-values', "#".concat(ids.join(', #')))).on('blur', this.valueSourceBlurHandler);
17      }
18    },
19    detach: function detach(context, settings, trigger) {
20      if (trigger === 'unload' && ids.length) {
21        $(once.remove('copy-field-values', 'body')).off('value:copy');
22        $(once.remove('copy-field-values', "#".concat(ids.join(', #')))).off('blur');
23      }
24    },
25    valueTargetCopyHandler: function valueTargetCopyHandler(e, value) {
26      var target = e.target;
27      if (target.value === '') {
28        target.value = value;
29      }
30    },
31    valueSourceBlurHandler: function valueSourceBlurHandler(e) {
32      var value = e.target.value;
33      var targetIds = drupalSettings.copyFieldValue[e.target.id];
34      $("#".concat(targetIds.join(', #'))).trigger('value:copy', value);
35    }
36  };
37})(jQuery, Drupal, drupalSettings);