![]() ![]() These steps are mostly doable - but are complicated considerably by the browser's relation to CORS. Implementing an Axios handler to trigger a FileDownload dialog within the browser.Implement the server-side service, and making it advertise the correct file type for the downloaded file.Configure your server to permit the browser to see required HTTP headers.To prevent anyone else from spending too much time in figuring this out, let me walk you through this. This is actually even more complex when you want to download files using Axios and some means of security. ![]() Each of these must be released by calling URL.revokeObjectURL() when you no longer need them.īrowsers will release object URLs automatically when the document is unloaded however, for optimal performance and memory usage, if there are safe times when you can explicitly unload them, you should do so.ĭownloading Files (using Axios and Security) In the function above, since we've already downloaded the file, we can immediately revoke the object.Įach time you call createObjectURL(), a new object URL is created, even if you've already created one for the same object. It's critical to release the object with URL.revokeObjectURL to prevent a memory leak. More documentation for URL.createObjectURL is available on MDN. clean up "a" element & remove ObjectURL tAttribute('download', 'file.pdf') //or any other extension ![]() create "a" HTML element with href to file & clickĬonst link = document.createElement('a') ![]() Clean up the dynamically created file link and HTML elementĬonst href = URL.createObjectURL(response.data).Create HTML element with a the href linked to the file link created in step 2 & click the link.Create a file link using the blob in the response from Axios/Server.Download the file with Axios as a responseType: 'blob'. ![]()
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