Fitting the Width to the Content in ExcelJS

After I finished drawing the Excel file, it came out larger than A4, so every time I printed it I had to set the width to 1 page in Page Layout, which was a hassle.

I looked for a way to fix this. Going through worksheet.pageSetup.pageSize only let me switch between the predefined sizes, so I looked for another way, and it is the code below.

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4  const workbook = new ExcelJS.Workbook();
  const worksheet = workbook.addWorksheet('Sheet');
  worksheet.pageSetup.fitToPage = true; // Fit the width to the content
  worksheet.pageSetup.fitToHeight = 0; // Set the height automatically