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rn-fetch-blob
A project committed to making file access and data transfer easier, efficient for React Native developers.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Doing this in RN though, I found https://github.com/kevinresol/react-native-fs-stream which won't work in the Expo managed workflow. https://github.com/joltup/rn-fetch-blob#user-content-file-stream also supports streams, but that also won't work in the Expo managed workflow. Both libraries are no longer maintained, so there's no guarantee they'll work these days.
Doing this in RN though, I found https://github.com/kevinresol/react-native-fs-stream which won't work in the Expo managed workflow. https://github.com/joltup/rn-fetch-blob#user-content-file-stream also supports streams, but that also won't work in the Expo managed workflow. Both libraries are no longer maintained, so there's no guarantee they'll work these days.