async saveToFile(filePath)

Saves the current JSON data to a file.

Parameters:

• filePath (string) – Path where the JSON should be written.

Returns: Promise<void>

Example:

          
            1await jm.saveToFile("./data.json");
          
        

Edge Cases:

• Overwrites the file if it already exists.
• Throws an error if the write operation fails.

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