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master @ 29 LINES
 
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// Page descriptions for <meta>, OG, and feeds - derived from the first
// prose paragraph of a markdown body so notes don't need a description
// field in frontmatter.

/** First prose paragraph, markdown stripped, truncated at a word
 *  boundary. Empty string when the body has no prose (tables, code,
 *  and headings don't count). */
export function describeBody(md: string, max = 160): string {
  let text = "";
  for (const raw of md.split(/\n\s*\n/)) {
    const b = raw.trim();
    if (!b) continue;
    if (/^(#|```|~~~|\||>|[-*+] |\d+\. |!\[|<)/.test(b)) continue;
    text = b;
    break;
  }
  if (!text) return "";
  const clean = text
    .replace(/\[\[([^\]|]+)\|([^\]]+)\]\]/g, "$2")
    .replace(/\[\[([^\]|]+)\]\]/g, "$1")
    .replace(/\[([^\]]+)\]\([^)]*\)/g, "$1")
    .replace(/[`*_]/g, "")
    .replace(/\s+/g, " ")
    .trim();
  if ([...clean].length <= max) return clean;
  const cut = [...clean].slice(0, max - 3).join("");
  return cut.replace(/\s+\S*$/, "") + "...";
}


// Page descriptions for <meta>, OG, and fee
ds - derived from the first
// prose paragraph of a markdown body so not
es don't need a description
// field in frontmatter.

/** First prose paragraph, markdown stripped
, truncated at a word
 *  boundary. Empty string when the body has
 no prose (tables, code,
 *  and headings don't count). */
export function describeBody(md: string, max
 = 160): string {
  let text = "";
  for (const raw of md.split(/\n\s*\n/)) {
    const b = raw.trim();
    if (!b) continue;
    if (/^(#|```|~~~|\||>|[-*+] |\d+\. |!\[|
<)/.test(b)) continue;
    text = b;
    break;
  }
  if (!text) return "";
  const clean = text
    .replace(/\[\[([^\]|]+)\|([^\]]+)\]\]/g,
 "$2")
    .replace(/\[\[([^\]|]+)\]\]/g, "$1")
    .replace(/\[([^\]]+)\]\([^)]*\)/g, "$1")
    .replace(/[`*_]/g, "")
    .replace(/\s+/g, " ")
    .trim();
  if ([...clean].length <= max) return clean
;
  const cut = [...clean].slice(0, max - 3).j
oin("");
  return cut.replace(/\s+\S*$/, "") + "...";
}

 
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