Function buildFileEditDiff

desktop/src/features/agents/ui/agentSessionFileEditDiff.ts:34–66

(
  item: ToolItem,
  descriptor: AgentActivityDescriptor,
)

const SHIKI_REMOVE_RE = /\s*\/\/\s*\[!code\s*--\]\s*$/;

export function buildFileEditDiff(
  item: ToolItem,
  descriptor: AgentActivityDescriptor,
): FileEditDiff | null {
  if (descriptor.renderClass !== "file-edit") {
    return null;
  }

  const resultText = getResultText(item.result);
  const path =
    getToolString(item.args, ["path", "file", "file_path", "target_file"]) ??
    descriptor.object ??
    descriptor.preview ??
    getDiffPath(resultText);

  if (!path) {
    return null;
  }

  const lines = getDiffLines(resultText);
  const stats = getDiffStats(resultText, lines);
  if (!stats) {
    return null;
  }

  return {
    path,
    filename: basename(path),
    additions: stats.additions,
    deletions: stats.deletions,
    lines,
  };
}

function getResultText(result: string): string {
  const parsed = parseToolResultValue(result);