Function createDiff

shared/utils/diff.ts:345–363

(
  oldContent: string,
  newContent: string,
  filePath: string,
  options: Partial<ParseOptions> = {},
)

}

export function createDiff(
  oldContent: string,
  newContent: string,
  filePath: string,
  options: Partial<ParseOptions> = {},
): FileDiff | null {
  const diffText = createTwoFilesPatch(
    `a/${filePath}`,
    `b/${filePath}`,
    oldContent,
    newContent,
    '',
    '',
    { context: 3 },
  )

  const files = parseUnifiedDiff(diffText, options)
  return files[0] ?? null
}

export function countDiffStats(hunks: (DiffHunk | DiffSkipBlock)[]): {
  additions: number