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Is there a way to specify a callback function for the pdfMake's createPdf function? I have a large vfs_fonts.js file and that's why my export is slow.

Is there a way to specify a callback function for the pdfMake's createPdf function? I have a large vfs_fonts.js file and that's why my export is slow.

• javascript
• pdfmake

Share Improve this question Follow asked Nov 30, 2015 at 14:59 IstvánIstván 5,1271010 gold badges4040 silver badges6767 bronze badges

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1 Answer 1

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There is a callback function getDataUrl:

this.getDataUrl(function(result) {
    win.location.href = result;
});

This function is used by the open, save, and print functions that e built in. You can see their source here: https://github./bpampuch/pdfmake/blob/81de2c6a97ffb102f8c8c86ea9d7adf97e65976e/src/browser-extensions/pdfMake.js#L50

Using those functions, you should be able to build your own callback that does what you need.

You can use getDataUrl with something like

pdfMake.createPdf(docDefinition).getDataUrl(function(url) { alert('your pdf is done'); });

You would of course want more than that since you want to give them a way to do something with the pleted PDF.

To add a callback after the download is done:

pdfMake.createPdf(docDefinition).download('file.pdf', function() { alert('your pdf is done'); });

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