tmagic-editor/packages/ui-react/src/qrcode/Qrcode.tsx

/*
 * Tencent is pleased to support the open source community by making TMagicEditor available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import React, { useEffect, useState } from 'react';
import QRCode from 'qrcode';

import useApp from '../useApp';
import { MComponent } from '@tmagic/schema';

interface QrcodeProps {
  config: {
    url: string;
  } & MComponent;
}

const Qrcode: React.FC<QrcodeProps> = ({ config }) => {
  const { app } = useApp({ config });

  if (!app) return null;

  const [imgSrc, setImgSrc] = useState('');

  useEffect(() => {
    QRCode.toDataURL(config.url, (e: any, url: string) => {
      if (e) console.error(e);
      setImgSrc(url)
    });
  }, [config.url])


  return (
    <img className="magic-ui-qrcode" style={app.transformStyle(config.style || {})} id={`${config.id}`} src={imgSrc} />
  );
};

Qrcode.displayName = 'magic-ui-qrcode';

export default Qrcode;