Class WriteFileToolInvocation

packages/core/src/tools/write-file.ts:132–380

}

class WriteFileToolInvocation extends BaseToolInvocation<
  WriteFileToolParams,
  ToolResult
> {
  constructor(
    private readonly config: Config,
    params: WriteFileToolParams,
  ) {
    super(params);
  }

  override toolLocations(): ToolLocation[] {
    return [{ path: this.params.file_path }];
  }

  override getDescription(): string {
    const relativePath = makeRelative(
      this.params.file_path,
      this.config.getTargetDir(),
    );
    return `Writing to ${shortenPath(relativePath)}`;
  }

  override async shouldConfirmExecute(
    abortSignal: AbortSignal,
  ): Promise<ToolCallConfirmationDetails | false> {
    if (this.config.getApprovalMode() === ApprovalMode.AUTO_EDIT) {
      return false;
    }

    const correctedContentResult = await getCorrectedFileContent(
      this.config,
      this.params.file_path,
      this.params.content,
      abortSignal,
    );

    if (correctedContentResult.error) {
      // If file exists but couldn't be read, we can't show a diff for confirmation.
      return false;
    }

    const { originalContent, correctedContent } = correctedContentResult;
    const relativePath = makeRelative(
      this.params.file_path,
      this.config.getTargetDir(),
    );
    const fileName = path.basename(this.params.file_path);

    const fileDiff = Diff.createPatch(
      fileName,
      originalContent, // Original content (empty if new file or unreadable)
      correctedContent, // Content after potential correction
      'Current',
      'Proposed',
      DEFAULT_DIFF_OPTIONS,
    );