For Designer do I need the import / export supporting libraries?

For Designer do I need the import / export supporting libraries?

Posted by: georgeg on 8 April 2025, 1:45 pm EST

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  georgeg

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  Posted 8 April 2025, 1:45 pm EST - Updated 8 April 2025, 1:50 pm EST

  Hi. Quick question…In the case I were to just include the SpreadJS and Designer component on a UI page:

  …If I have the SpreadJS stuff:

  gc.spread.sheets.all.x.x.x.min.js

  And the Designer files:

  • gc.spread.sheets.designer.resource.en.x.x.x.min.js
  
  • gc.spread.sheets.designer.all.x.x.x.min.js

  … do I really need these?:

  *gc.spread.sheets.io.x.x.x.min.js
  
  *gc.spread.excelio.x.x.x.min.js
  
  *FileSaver.min.js

  …to do importing and exporting of Excel files? Or is this baked into the designer.all code?

  My understanding is…, you could create an independent Import and Export feature w/o the Designer component, just the SpreadJS spreadsheet grid and then you would need these to emulate the import/export functionality baked into the Designer.

  I went ahead and tested this wrote some code to Export a file from the SpreadJS Designer…separate from the File tab on the Designer:

  … and when I commented out the FileSaver.min.js I got a Type Error message:
  
  
  
  That is I have code separate from the Designer code, for this control to Export the contents as an xlxs file.

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  ankit.kumar

  

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  Posted 9 April 2025, 2:37 am EST - Updated 9 April 2025, 2:42 am EST

  Hi George,

  Thank you for your detailed query.

  1. Regarding your first question, not all three of these files are strictly required, but here is a breakdown of when and why you would need them:

  

  1100×462 18.9 KB

  2. Regarding your second point, the observed behavior is expected.

  When using the Designer’s built-in File menu (for import/export), Blob handling (for file generation and saving) is already managed internally — so FileSaver.min.js is not required.

  However, if you are manually implementing your own export functionality (outside of the Designer’s built-in UI), then you would need FileSaver.min.js to handle saving the generated Blob as a downloadable file — otherwise, you will encounter the error you mentioned.

  It is recommended that you use the SJSIO over ExcelIO as the new features will be available to the new SJSIO only.

  I hope this clarifies your questions. Please feel free to reach out if you need any further assistance.

  Best regards,

  Ankit