<%# --------------------------------------------------------------- # @docmd/template-summer — toc.ejs # # Right-rail table of contents. We re-use the heading detection # logic from the default template so the template stays # plug-and-play, then style the result with `.summer-toc__*` # classes that the rest of the stylesheet targets. # --------------------------------------------------------------- %> <% function decodeHtmlEntities(html) { return String(html).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"').replace(/'/g, "'").replace(/ /g, ' '); } // Skip on the no-style fallback and on pages that opt out via frontmatter. const _tocDisabled = (frontmatter && (frontmatter.toc === false || frontmatter.toc === 'false' || frontmatter.toc === 'hidden')); if (!_tocDisabled) { let tocHeadings = []; if (typeof headings !== 'undefined' && Array.isArray(headings) && headings.length > 0) { tocHeadings = headings.filter(h => h.level >= 1 && h.level <= 4); } else if (typeof content !== 'undefined' && content) { const headingRegex = /]*?(?:id="([^"]*)")?[^>]*?>([\s\S]*?)<\/h\1>/g; let match; const contentStr = content.toString(); while ((match = headingRegex.exec(contentStr)) !== null) { const level = parseInt(match[1], 10); let id = match[2]; const text = decodeHtmlEntities(match[3].replace(/<\/?\w+[^>]*>/g, '')); if (!id) id = text.toLowerCase().replace(/\s+/g, '-').replace(/[^\w-]/g, '').replace(/--+/g, '-').replace(/^-+|-+$/g, ''); tocHeadings.push({ id, level, text }); } } if (tocHeadings.length > 1) { // Build a nested list (preserve heading level) let lastLevel = 0; %> <% } } %>