40 lines
1,005 B
JavaScript
40 lines
1,005 B
JavaScript
import React from "react";
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import ReactMarkdown from "react-markdown";
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import ReactDOMServer from "react-dom/server";
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class TruncatedMarkdown extends React.PureComponent {
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static propTypes = {
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lines: React.PropTypes.number,
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};
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static defaultProps = {
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lines: null,
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};
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transformMarkdown(text) {
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// render markdown to html string then trim html tag
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let htmlString = ReactDOMServer.renderToStaticMarkup(
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<ReactMarkdown source={this.props.children} />
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);
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var txt = document.createElement("textarea");
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txt.innerHTML = htmlString;
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return txt.value.replace(/<(?:.|\n)*?>/gm, "");
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}
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render() {
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let content = this.props.children && typeof this.props.children === "string"
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? this.transformMarkdown(this.props.children)
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: this.props.children;
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return (
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<span
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className="truncated-text"
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style={{ WebkitLineClamp: this.props.lines }}
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>
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{content}
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</span>
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);
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}
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}
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export default TruncatedMarkdown;
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