How to generate a file for download in a Google Chrome Extension?

Question

I want to generate a CSV file as the result of some user interactions and then prompt the user to download it. How can I do that?

I don\'t think it\'s possible in st

Answer 1

You can now use HTML5 File API to download a file. It is still in development, but you can use a BlobBuilder and redirect your use to download that file:

var bb = new BlobBuilder();
bb.append(csvContents);
var blob = bb.getBlob(); 
location.href = window.webkitURL.createObjectURL(blob);

For more information regarding the File API, HTML5Rocks has a great tutorial:

http://www.html5rocks.com/tutorials/file/filesystem/