20 lines
761 B
JavaScript
20 lines
761 B
JavaScript
import { getPageRawExcerpt, getText } from '@vuepress/helper';
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export const generateDescription = (app, page, autoDescription = true) => {
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// generate description
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if (!page.frontmatter.description && autoDescription) {
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const rawExcerpt = getPageRawExcerpt(page.content);
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const content = rawExcerpt
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? (page.data.excerpt ?? page.contentRendered)
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: page.contentRendered;
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const pageText = getText(content, app.siteData.base, {
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length: 180,
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singleLine: true,
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});
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if (pageText.length) {
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page.frontmatter.description =
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pageText.length > 180 ? `${pageText.slice(0, 177)}...` : pageText;
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page.data.autoDesc = true;
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}
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}
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};
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