lbry-desktop/ui/component/viewers/docxViewer.jsx

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// @flow
import React from 'react';
import mammoth from 'mammoth';
import LoadingScreen from 'component/common/loading-screen';
type Props = {
source: string,
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};
type State = {
error: boolean,
loading: boolean,
content: ?string,
};
class DocxViewer extends React.PureComponent<Props, State> {
constructor(props: Props) {
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super(props);
this.state = {
error: false,
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content: null,
loading: true,
};
}
componentDidMount() {
const { source } = this.props;
// Overwrite element and styles
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const options = {
styleMap: [
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"p[style-name='Title'] => h1:fresh",
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"p[style-name='Heading 1'] => h1:fresh",
"p[style-name='Heading 2'] => h2:fresh",
"p[style-name='Heading 3'] => h3:fresh",
"p[style-name='Section Title'] => h1:fresh",
"p[style-name='Subsection Title'] => h2:fresh",
"p[style-name='Aside Heading'] => div.aside > h2:fresh",
"p[style-name='Aside Text'] => div.aside > p:fresh",
],
};
// Parse docx to html
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mammoth
.convertToHtml({ path: source }, options)
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.then(result => {
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this.setState({ content: result.value, loading: false });
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})
.catch(() => {
this.setState({ error: true, loading: false });
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})
.done();
}
render() {
const { content, error, loading } = this.state;
const loadingMessage = __('Rendering document.');
const errorMessage = __("Sorry, looks like we can't load the document.");
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return (
<div className="file-render__viewer file-render__viewer--document">
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{loading && <LoadingScreen status={loadingMessage} spinner />}
{error && <LoadingScreen status={errorMessage} spinner={false} />}
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{content && <div className="file-render__content" dangerouslySetInnerHTML={{ __html: content }} />}
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</div>
);
}
}
export default DocxViewer;