Method execute

packages/core/src/tools/write-file.ts:222–379

(abortSignal: AbortSignal)

  }

  async execute(abortSignal: AbortSignal): Promise<ToolResult> {
    const { file_path, content, ai_proposed_content, modified_by_user } =
      this.params;
    const correctedContentResult = await getCorrectedFileContent(
      this.config,
      file_path,
      content,
      abortSignal,
    );

    if (correctedContentResult.error) {
      const errDetails = correctedContentResult.error;
      const errorMsg = errDetails.code
        ? `Error checking existing file '${file_path}': ${errDetails.message} (${errDetails.code})`
        : `Error checking existing file: ${errDetails.message}`;
      return {
        llmContent: errorMsg,
        returnDisplay: errorMsg,
        error: {
          message: errorMsg,
          type: ToolErrorType.FILE_WRITE_FAILURE,
        },
      };
    }

    const {
      originalContent,
      correctedContent: fileContent,
      fileExists,
    } = correctedContentResult;
    // fileExists is true if the file existed (and was readable or unreadable but caught by readError).
    // fileExists is false if the file did not exist (ENOENT).
    const isNewFile =
      !fileExists ||
      (correctedContentResult.error !== undefined &&
        !correctedContentResult.fileExists);

    try {
      const dirName = path.dirname(file_path);
      if (!fs.existsSync(dirName)) {
        fs.mkdirSync(dirName, { recursive: true });
      }

      fs.writeFileSync(file_path, fileContent, 'utf8');

      // Generate diff for display result
      const fileName = path.basename(file_path);
      // If there was a readError, originalContent in correctedContentResult is '',
      // but for the diff, we want to show the original content as it was before the write if possible.
      // However, if it was unreadable, currentContentForDiff will be empty.
      const currentContentForDiff = correctedContentResult.error
        ? '' // Or some indicator of unreadable content
        : originalContent;

      const fileDiff = Diff.createPatch(
        fileName,
        currentContentForDiff,
        fileContent,