mirror of https://github.com/TryGhost/Ghost.git
24 lines
770 B
JavaScript
24 lines
770 B
JavaScript
const downsize = require('downsize');
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function getExcerpt(html, truncateOptions) {
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truncateOptions = truncateOptions || {};
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// Strip inline and bottom footnotes
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let excerpt = html.replace(/<a href="#fn.*?rel="footnote">.*?<\/a>/gi, '');
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excerpt = excerpt.replace(/<div class="footnotes"><ol>.*?<\/ol><\/div>/, '');
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// Make sure to have space between paragraphs and new lines
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excerpt = excerpt.replace(/(<\/p>|<br>)/gi, ' ');
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// Strip other html
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excerpt = excerpt.replace(/<\/?[^>]+>/gi, '');
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excerpt = excerpt.replace(/(\r\n|\n|\r)+/gm, ' ');
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if (!truncateOptions.words && !truncateOptions.characters) {
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truncateOptions.words = 50;
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}
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return downsize(excerpt, truncateOptions);
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}
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module.exports = getExcerpt;
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