Function truncatePath

src/utils/logoV2Utils.ts:111–183

(path: string, maxLength: number)

 * Width-aware: uses stringWidth() for correct CJK/emoji measurement.
 */
export function truncatePath(path: string, maxLength: number): string {
  if (stringWidth(path) <= maxLength) return path

  const separator = '/'
  const ellipsis = '…'
  const ellipsisWidth = 1 // '…' is always 1 column
  const separatorWidth = 1

  const parts = path.split(separator)
  const first = parts[0] || ''
  const last = parts[parts.length - 1] || ''
  const firstWidth = stringWidth(first)
  const lastWidth = stringWidth(last)

  // Only one part, so show as much of it as we can
  if (parts.length === 1) {
    return truncateToWidth(path, maxLength)
  }

  // We don't have enough space to show the last part, so truncate it
  // But since firstPart is empty (unix) we don't want the extra ellipsis
  if (first === '' && ellipsisWidth + separatorWidth + lastWidth >= maxLength) {
    return `${separator}${truncateToWidth(last, Math.max(1, maxLength - separatorWidth))}`
  }

  // We have a first part so let's show the ellipsis and truncate last part
  if (
    first !== '' &&
    ellipsisWidth * 2 + separatorWidth + lastWidth >= maxLength
  ) {
    return `${ellipsis}${separator}${truncateToWidth(last, Math.max(1, maxLength - ellipsisWidth - separatorWidth))}`
  }

  // Truncate first and leave last
  if (parts.length === 2) {
    const availableForFirst =
      maxLength - ellipsisWidth - separatorWidth - lastWidth
    return `${truncateToWidthNoEllipsis(first, availableForFirst)}${ellipsis}${separator}${last}`
  }

  // Now we start removing middle parts

  let available =
    maxLength - firstWidth - lastWidth - ellipsisWidth - 2 * separatorWidth

  // Just the first and last are too long, so truncate first
  if (available <= 0) {
    const availableForFirst = Math.max(
      0,
      maxLength - lastWidth - ellipsisWidth - 2 * separatorWidth,
    )
    const truncatedFirst = truncateToWidthNoEllipsis(first, availableForFirst)
    return `${truncatedFirst}${separator}${ellipsis}${separator}${last}`
  }

  // Try to keep as many middle parts as possible
  const middleParts = []
  for (let i = parts.length - 2; i > 0; i--) {