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import * as React from 'react';
import * as marked from 'marked';
import * as hljs from 'highlight.js';
type MarkdownComponentProps = {
text: string;
className?: string;
markedOptions?: marked.MarkedOptions;
style?: React.CSSProperties
}
const defaultRenderer = new marked.Renderer();
defaultRenderer.link = (href, title, text) => (
`<a target="_blank" rel="noopener noreferrer" href="${ href }" title="${ title }">${ text }</a>`
);
class MarkdownComponent extends React.Component<MarkdownComponentProps> {
constructor(props: MarkdownComponentProps) {
super(props);
const markedOptions: marked.MarkedOptions = {
gfm: true,
tables: true,
breaks: false,
pedantic: false,
sanitize: true,
smartLists: true,
smartypants: false,
langPrefix: 'hljs ',
...(this.props.markedOptions || {}),
highlight: (code, lang) => {
if (!!(lang && hljs.getLanguage(lang))) {
return hljs.highlight(lang, code).value;
}
return code;
}
};
marked.setOptions(markedOptions);
}
render() {
const { text, className, style } = this.props;
const html = (marked(text || '', { renderer: this.props.markedOptions && this.props.markedOptions.renderer || defaultRenderer }));
return (
<div
dangerouslySetInnerHTML={ { __html: html } }
className={ className }
style={ style }
/>
);
}
}
export const Markdown = MarkdownComponent;
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