import template from "./Spin.html"; class Spin { state = { className: [], hasChildren: false, }; constructor($element, $attrs, $controllers, $transclude) { this.state.className = ["ant-spin", "ant-spin-spinning"]; if ($transclude()) { let len = $transclude().lenght; if (len > 0) { this.state.hasChildren = true; } } if (this.size === "small") { this.state.className.splice(1, 0, "ant-spin-sm"); } if (this.size === "large") { this.state.className.splice(1, 0, "ant-spin-lg"); } } render() { return template; } } Spin.propTypes = { size: PropTypes.string, spinning: PropTypes.boolean, }