WordPress Version: 6.5
/**
* Set a JavaScript constant for theme activation.
*
* Sets the JavaScript global WP_BLOCK_THEME_ACTIVATE_NONCE containing the nonce
* required to activate a theme. For use within the site editor.
*
* @see https://github.com/WordPress/gutenberg/pull/41836
*
* @since 6.3.0
* @access private
*/
function wp_block_theme_activate_nonce()
{
$nonce_handle = 'switch-theme_' . wp_get_theme_preview_path();
?>
<script type="text/javascript">
window.WP_BLOCK_THEME_ACTIVATE_NONCE = <?php
echo wp_json_encode(wp_create_nonce($nonce_handle));
?>;
</script>
<?php
}