37 lines
681 B
JavaScript
37 lines
681 B
JavaScript
// @flow
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import * as React from "react";
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import Document from "models/Document";
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const MARK_AS_VIEWED_AFTER = 3 * 1000;
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type Props = {|
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document: Document,
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children?: React.Node,
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|};
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class MarkAsViewed extends React.Component<Props> {
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viewTimeout: TimeoutID;
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componentDidMount() {
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const { document } = this.props;
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this.viewTimeout = setTimeout(async () => {
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const view = await document.view();
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if (view) {
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document.updateLastViewed(view);
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}
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}, MARK_AS_VIEWED_AFTER);
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}
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componentWillUnmount() {
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clearTimeout(this.viewTimeout);
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}
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render() {
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return this.props.children || null;
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}
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}
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export default MarkAsViewed;
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