pdfer/webapp/views/components/Preview.js

import { Component, h } from 'preact';
import PDF from 'react-pdf';

class Preview extends Component {
    render(props) {
        return (
            <PDF
                content={props.pdf}
                onDocumentComplete={this._onDocumentComplete}
                onPageComplete={this._onPageComplete}
            />
        );
    }

    _onDocumentComplete(pages) {
        this.setState({pages: pages});
    }

    _onPageComplete(page) {
        this.setState({page});
    }
}

export default Preview;