Thz Ace is a code editor text area that is using ace.js for syntax highlighting.

option snippet

'option_name' => array(
    'type' => 'thz-ace',
    'label' => __('Option label', '{domain}'),
    'desc' => esc_html__('Option description.', '{domain}'),
    'help' => esc_html__('Option help.', '{domain}'),
    'value'=>'',
    'mode'=>'html', // css,html,javascript,json
    'theme'=>'chrome', // chrome, tomorrow_night
    'height'=>250
)