woocommerce/assets/js/admin/meta-boxes-coupon.min.js

jQuery(function(_){({init:function(){_("select#discount_type").on("change",this.type_options).trigger("change"),this.insert_generate_coupon_code_button(),_(".button.generate-coupon-code").on("click",this.generate_coupon_code)},type_options:function(){var e=_(this).val();"percent"===e?_("#coupon_amount").removeClass("wc_input_price").addClass("wc_input_decimal"):_("#coupon_amount").removeClass("wc_input_decimal").addClass("wc_input_price"),"fixed_cart"!==e?_(".limit_usage_to_x_items_field").show():_(".limit_usage_to_x_items_field").hide()},insert_generate_coupon_code_button:function(){_(".post-type-shop_coupon").find("#title").after('<a href="#" class="button generate-coupon-code">'+woocommerce_admin_meta_boxes_coupon.generate_button_text+"</a>")},generate_coupon_code:function(e){e.preventDefault();for(var o=_("#title"),e=_("#title-prompt-text"),t="",n=0;n<woocommerce_admin_meta_boxes_coupon.char_length;n++)t+=woocommerce_admin_meta_boxes_coupon.characters.charAt(Math.floor(Math.random()*woocommerce_admin_meta_boxes_coupon.characters.length));t=woocommerce_admin_meta_boxes_coupon.prefix+t+woocommerce_admin_meta_boxes_coupon.suffix,o.trigger("focus").val(t),e.addClass("screen-reader-text")}}).init()});