import React, { Component } from "react"; import QrReader from "react-qr-reader"; export default class Scanner extends Component { constructor(props) { super(props); this.state = { delay: 100, result: "", }; this.handleScan = this.handleScan.bind(this); } handleScan(data) { this.props.parent.setState({ value: data, }); } handleError(err) { console.error(err); } render() { return ( <> ); } }