Function extractMarkdownFrontmatter

sdk/src/tools/read-url.ts:223–250

(body: string)

}

function extractMarkdownFrontmatter(body: string): {
  title?: string
  description?: string
  text: string
} {
  const match = body.match(/^---\s*\r?\n([\s\S]*?)\r?\n---\s*\r?\n?/)
  if (!match) {
    return { text: normalizeText(decodeHtmlEntities(body)) }
  }

  const frontmatter = match[1]
  const getValue = (key: 'title' | 'description') => {
    const valueMatch = frontmatter.match(
      new RegExp(`^${key}:\\s*(?:"([^"]*)"|'([^']*)'|(.+))\\s*$`, 'm'),
    )
    return normalizeText(
      decodeHtmlEntities(
        valueMatch?.[1] ?? valueMatch?.[2] ?? valueMatch?.[3] ?? '',
      ),
    )
  }

  return {
    title: getValue('title') || undefined,
    description: getValue('description') || undefined,
    text: normalizeText(decodeHtmlEntities(body.slice(match[0].length))),
  }
}

function isJsonContentType(contentType: string): boolean {
  return (