Download files and zip them in your browsers using Javascript

Download files and zip them in your browsers using Javascript

Instead of generating zip file and transfer it from your server, why not download data and zip them in your browsers?Download files and zip them in your browsers using Javascript.

I recently worked on a side project, which generates reports per user’s request. For each request, our backend will generate a report, upload it to Amazon S3 storage, and return its URL to the client. Since generating a report takes a while, the output files are stored and the server caches their URLs by request params. If a user orders the same thing, the backend will return the URL of the existing file. A few days ago, I had a new requirement. Instead of individual files, I needed to download a zip file containing hundreds of reports.

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