Function quoteProblematicValues

src/utils/frontmatterParser.ts:85–121

* Pre-processes frontmatter text to quote values that contain special YAML characters. * This allows glob patterns like **\/*.{ts,tsx} to be parsed correctly.

(frontmatterText: string)

 * This allows glob patterns like **\/*.{ts,tsx} to be parsed correctly.
 */
function quoteProblematicValues(frontmatterText: string): string {
  const lines = frontmatterText.split('\n')
  const result: string[] = []

  for (const line of lines) {
    // Match simple key: value lines (not indented, not list items, not block scalars)
    const match = line.match(/^([a-zA-Z_-]+):\s+(.+)$/)
    if (match) {
      const [, key, value] = match
      if (!key || !value) {
        result.push(line)
        continue
      }

      // Skip if already quoted
      if (
        (value.startsWith('"') && value.endsWith('"')) ||
        (value.startsWith("'") && value.endsWith("'"))
      ) {
        result.push(line)
        continue
      }

      // Quote if contains special YAML characters
      if (YAML_SPECIAL_CHARS.test(value)) {
        // Use double quotes and escape any existing double quotes
        const escaped = value.replace(/\\/g, '\\\\').replace(/"/g, '\\"')
        result.push(`${key}: "${escaped}"`)
        continue
      }
    }

    result.push(line)
  }

  return result.join('\n')
}

export const FRONTMATTER_REGEX = /^---\s*\n([\s\S]*?)---\s*\n?/