How I builder the login with react I get the error: ReferenceError: Component is not defined

import React from "react"; import ReactDOM from "react-dom"; import { MDBContainer, MDBRow, MDBCol, MDBInput, MDBBtn } from "mdbreact";

export default class Singin extends React { constructor() { const FormGet = () => { return ( Sign in

Login ); }; }

render() {
    return FormGet;
}

}

if (document.getElementById("singin")) { ReactDOM.render(, document.getElementById("singin")); }

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