Elixir LiveView: Simplifying Streaming Uploads

2023/08/31

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The article discusses the challenges of file uploads in web browsers and introduces LiveView, a feature in the Elixir programming language that simplifies the process. The author highlights the complexity involved in accepting, uploading, streaming, verifying, storing, backing up, and sharing files from a user. They mention that while there are third-party solutions available, they often require additional configuration and integration with other services. LiveView, on the other hand, offers a more streamlined approach by leveraging the WebSocket technology. The article explains the steps to perform a basic upload using LiveView, including allowing a single file with specific extensions, adding a live file input to the form, and consuming the uploaded entries. It also mentions that LiveView provides features like real-time upload progress, drag and drop functionality, and the ability to handle multiple uploads simultaneously. The article concludes by acknowledging some limitations of LiveView and mentioning the previous solution of uploading directly to S3. Overall, LiveView offers developers a simpler and more efficient way to handle file uploads in Elixir applications.