Function loadRejectionDiff

src/tools/FileWriteTool/UI.tsx:310–349

(filePath: string, content: string)

  return t1;
}
async function loadRejectionDiff(filePath: string, content: string): Promise<RejectionDiffData> {
  try {
    const fullFilePath = isAbsolute(filePath) ? filePath : resolve(getCwd(), filePath);
    const handle = await openForScan(fullFilePath);
    if (handle === null) return {
      type: 'create'
    };
    let oldContent: string | null;
    try {
      oldContent = await readCapped(handle);
    } finally {
      await handle.close();
    }
    // File exceeds MAX_SCAN_BYTES — fall back to the create view rather than
    // OOMing on a diff of a multi-GB file.
    if (oldContent === null) return {
      type: 'create'
    };
    const patch = getPatchForDisplay({
      filePath,
      fileContents: oldContent,
      edits: [{
        old_string: oldContent,
        new_string: content,
        replace_all: false
      }]
    });
    return {
      type: 'update',
      patch,
      oldContent
    };
  } catch (e) {
    // User may have manually applied the change while the diff was shown.
    logError(e as Error);
    return {
      type: 'error'
    };
  }
}
export function renderToolUseErrorMessage(result: ToolResultBlockParam['content'], {
  verbose
}: {