Function splitPathInFrontmatter

src/utils/frontmatterParser.ts:189–232

(input: string | string[])

 * splitPathInFrontmatter(["a", "src/*.{ts,tsx}"]) // returns ["a", "src/*.ts", "src/*.tsx"]
 */
export function splitPathInFrontmatter(input: string | string[]): string[] {
  if (Array.isArray(input)) {
    return input.flatMap(splitPathInFrontmatter)
  }
  if (typeof input !== 'string') {
    return []
  }
  // Split by comma while respecting braces
  const parts: string[] = []
  let current = ''
  let braceDepth = 0

  for (let i = 0; i < input.length; i++) {
    const char = input[i]

    if (char === '{') {
      braceDepth++
      current += char
    } else if (char === '}') {
      braceDepth--
      current += char
    } else if (char === ',' && braceDepth === 0) {
      // Split here - we're at a comma outside of braces
      const trimmed = current.trim()
      if (trimmed) {
        parts.push(trimmed)
      }
      current = ''
    } else {
      current += char
    }
  }

  // Add the last part
  const trimmed = current.trim()
  if (trimmed) {
    parts.push(trimmed)
  }

  // Expand brace patterns in each part
  return parts
    .filter(p => p.length > 0)
    .flatMap(pattern => expandBraces(pattern))
}

/**
 * Expands brace patterns in a glob string.