Function countLinesChanged

src/utils/diff.ts:49–79

(
  patch: StructuredPatchHunk[],
  newFileContent?: string,
)

 * @param newFileContent Optional content string for new files
 */
export function countLinesChanged(
  patch: StructuredPatchHunk[],
  newFileContent?: string,
): void {
  let numAdditions = 0
  let numRemovals = 0

  if (patch.length === 0 && newFileContent) {
    // For new files, count all lines as additions
    numAdditions = newFileContent.split(/\r?\n/).length
  } else {
    numAdditions = patch.reduce(
      (acc, hunk) => acc + count(hunk.lines, _ => _.startsWith('+')),
      0,
    )
    numRemovals = patch.reduce(
      (acc, hunk) => acc + count(hunk.lines, _ => _.startsWith('-')),
      0,
    )
  }

  addToTotalLinesChanged(numAdditions, numRemovals)

  getLocCounter()?.add(numAdditions, { type: 'added' })
  getLocCounter()?.add(numRemovals, { type: 'removed' })

  logEvent('tengu_file_changed', {
    lines_added: numAdditions,
    lines_removed: numRemovals,
  })
}

export function getPatchFromContents({
  filePath,