Function computeEditsFromContents

source code/hooks/useDiffInIDE.ts:172–202

(
  filePath: string,
  oldContent: string,
  newContent: string,
  editMode: 'single' | 'multiple',
)

 * to apply any edits the user may have made to the new contents.
 */
export function computeEditsFromContents(
  filePath: string,
  oldContent: string,
  newContent: string,
  editMode: 'single' | 'multiple',
): FileEdit[] {
  // Use unformatted patches, otherwise the edits will be formatted.
  const singleHunk = editMode === 'single'
  const patch = getPatchFromContents({
    filePath,
    oldContent,
    newContent,
    singleHunk,
  })

  if (patch.length === 0) {
    return []
  }

  // For single edit mode, verify we only got one hunk
  if (singleHunk && patch.length > 1) {
    logError(
      new Error(
        `Unexpected number of hunks: ${patch.length}. Expected 1 hunk.`,
      ),
    )
  }

  // Re-compute the edits to match the patch
  return getEditsForPatch(patch)
}

/**
 * Done if: