Function buildExcerpt

apps/desktop/src/main/vault.ts:1592–1610

Build a short plaintext preview from markdown.

(body: string)

/** Build a short plaintext preview from markdown. */
function buildExcerpt(body: string): string {
  const withoutFront = body.startsWith('---\n') ? body.replace(/^---\n[\s\S]*?\n---\n/, '') : body
  let text = stripCodeContent(withoutFront)
  if (text.includes('](')) {
    text = text
      .replace(/!\[[^\]]*\]\([^)]*\)/g, ' ')
      .replace(/\[([^\]]+)\]\([^)]*\)/g, '$1')
  }
  if (text.includes('![[')) {
    text = text.replace(/!\[\[([^\]|]+)(?:\|([^\]]+))?\]\]/g, (_, a, b) => b || a)
  }
  if (text.includes('[[')) {
    text = text.replace(/\[\[([^\]|]+)(?:\|([^\]]+))?\]\]/g, (_, a, b) => b || a)
  }
  if (text.includes('#')) text = text.replace(/^#{1,6}\s+/gm, '')
  if (/[*_~>]/.test(text)) text = text.replace(/[*_~>]+/g, '')
  text = text.replace(/\s+/g, ' ').trim()
  return text.slice(0, 220)
}

function escapeRegex(value: string): string {
  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')