Method constructor

client/src/components/SignUpPage/index.tsx:17–22

(props: Props)

class SignUpPage extends Component<Props, State> {
  constructor(props: Props) {
    super(props)
    this.state = {
      gCaptchaResponse: null,
    }
  }

  onCaptchaSumit = (token: string | null) => {
    this.setState({ gCaptchaResponse: token })