lbry-desktop/ui/js/component/notice.js

import React from "react";

export class Notice extends React.PureComponent {
  static propTypes = {
    isError: React.PropTypes.bool,
  };

  static defaultProps = {
    isError: false,
  };

  render() {
    return (
      <section
        className={
          "notice " +
          (this.props.isError ? "notice--error " : "") +
          (this.props.className || "")
        }
      >
        {this.props.children}
      </section>
    );
  }
}

export default Notice;