Function gapKey

src/ui/diff/expandCollapsedRows.ts:31–33

(position: CollapsedGapPosition, hunkIndex: number)

/** Stable identifier for one collapsed gap inside a single file. */
export function gapKey(position: CollapsedGapPosition, hunkIndex: number) {
  return `${position}:${hunkIndex}`;
}

/**
 * Pick the gap key that the keyboard shortcut should toggle for the selected