( function( api, $ ) {
	api.controlConstructor['section-heading-toggle'] = api.Control.extend( {
		ready: function() {
			var control = this, container = control.container;
			// on trigger action
			container.on( "click", function() {
				var _this = $(this)
				_this.find(".toggle-button .dashicons").toggleClass("dashicons-arrow-down-alt2 dashicons-arrow-up-alt2")
				_this.nextUntil( ".customize-control-section-heading-toggle" ).slideToggle()
			})
        }
    });
} )( wp.customize, jQuery );