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