document-web-components-samples/next/document-reader/src/components/document-reader.tsx at f7411e6435fc038cc19b9b115fddea16921aac5a · regulaforensics/document-web-components-samples · GitHub

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import Head from 'next/head';
import { useEffect, useRef, useState, CSSProperties } from 'react';
import {
  EventActions,
  DocumentReaderDetailType,
  TransactionEvent,
  DocumentReaderService,
  InternalScenarios,
  defineComponents,
  type DocumentReaderWebComponent
} from '@regulaforensics/vp-frontend-document-components';

const containerStyle: CSSProperties = {
  display: 'flex',
  position: 'absolute',
  height: '100%',
  width: '100%',
  top: 0,
  left: 0,
  justifyContent: 'center',
  alignItems: 'center',
};

const buttonStyle: CSSProperties = {
  padding: '10px 30px',
  color: 'white',
  fontSize: '16px',
  borderRadius: '2px',
  backgroundColor: '#bd7dff',
  border: '1px solid #bd7dff',
  cursor: 'pointer',
};

export default function DocumentReader() {
  const [isOpen, setIsOpen] = useState(false);
  const containerRef = useRef<HTMLDivElement>(null);
  const elementRef = useRef<DocumentReaderWebComponent>(null);
  const listener = async (data: CustomEvent<DocumentReaderDetailType | TransactionEvent>) => {
    if (data.detail.action === EventActions.PROCESS_FINISHED) {
      const status = data.detail.data?.status;
      const isFinishStatus = status === 1 || status === 2;

      if (!isFinishStatus || !data.detail.data?.response) return;
      console.log(data.detail.data.response);
    }

    if (data.detail?.action === EventActions.CLOSE) {
      setIsOpen(false);
    }
  };

  useEffect(() => {
    const containerCurrent = containerRef.current;

    window.RegulaDocumentSDK = new DocumentReaderService();
    window.RegulaDocumentSDK.recognizerProcessParam = {
      processParam: {
        scenario: InternalScenarios.MrzAndLocate,
        multipageProcessing: true,
      },
    };
    window.RegulaDocumentSDK.imageProcessParam = {
      processParam: {
        scenario: InternalScenarios.MrzAndLocate,
      },
    };

    defineComponents().then(() => window.RegulaDocumentSDK.initialize());
    // To use the document-reader component on test environments, you have to set the base64 license
    // defineComponents().then(() => window.RegulaDocumentSDK.initialize({ license: 'YOUR_BASE64_LICENSE_KEY' }));

    if (!containerCurrent) return;

    containerCurrent.addEventListener('document-reader', listener);

    return () => {
      if (!window.RegulaDocumentSDK) return;
      window.RegulaDocumentSDK.shutdown();
      containerCurrent.removeEventListener('document-reader', listener);
    }
  }, []);

  useEffect(() => {
    const elementRefCurrent = elementRef.current;

    if (!elementRefCurrent) return;

    elementRefCurrent.settings = {
      changeCameraButton: true,
    };
  }, [isOpen]);

  return (
    <>
      <Head>
        <title>Document Reader</title>
        <meta name="viewport" content="width=device-width, initial-scale=1"/>
      </Head>
      <main>
        <div style={containerStyle} ref={containerRef}>
          {isOpen ? (
            <document-reader start-screen ref={elementRef}></document-reader>
          ) : (
            <button style={buttonStyle} onClick={() => setIsOpen(true)}>Open component</button>
          )}
        </div>
      </main>
    </>
  );
}