Function groupDiffLines

core/nextEdit/diff/diff.ts:287–316

(
  diffLines: DiffLine[],
  offset: number = 0,
  maxGroupSize?: number,
)

 * @returns Array of DiffGroup objects representing the changes
 */
export function groupDiffLines(
  diffLines: DiffLine[],
  offset: number = 0,
  maxGroupSize?: number,
): DiffGroup[] {
  const groups: DiffGroup[] = [];
  const changedAreas = findChangedAreas(diffLines);

  for (const area of changedAreas) {
    if (maxGroupSize === undefined) {
      // Mode 1: Flexible group size.
      groups.push(
        processFlexibleSizeGroup(diffLines, area.start, area.end, offset),
      );
    } else {
      // Mode 2: Limited group size.
      groups.push(
        processLimitedSizeGroup(
          diffLines,
          area.start,
          area.end,
          maxGroupSize,
          offset,
        ),
      );
    }
  }

  return groups;
}

/**
 * Find areas of change in the diff lines.