memfs
react-native-file-access
memfs | react-native-file-access | |
---|---|---|
3 | 5 | |
1,617 | 280 | |
- | - | |
9.4 | 6.5 | |
6 days ago | 21 days ago | |
TypeScript | TypeScript | |
Apache License 2.0 | MIT License |
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memfs
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CoWasm: An alternative to Emscripten, based on Zig (demo: Python in the browser)
I am using the Python ecosystem (with full support for dynamic loading of C extension modules) as an initial motivating project. Also, the Python test suite is extremely useful to root out problems. I certainly hope that this can provide a more complete alternative to Emscripten to the community eventually. That said, Emscripten is huge, and the problems involved in creating a more maintainable modular WASM build tool are subtle. For example, when implementing a custom module loader for Python-wasm last week, I discovered several bugs in the memfs and unionfs Javascript libraries (https://github.com/streamich/memfs/pulls?q=is%3Apr+author%3A... and https://github.com/streamich/unionfs/pulls?q=is%3Apr+author%...). I had to learn the code sufficiently to fix all these bugs, submit PR's, etc. Emscripten has its own analogue of memfs, which is optimized specifically for WebAssembly in the browser, where memfs is a more general widely used library (with 10M+ downloads/week).
CoWasm has no support for asyncify. Where I've run into setjmp/longjmp so far, I've been rewriting the code instead. E.g., the dash shell uses setjmp/longjmp, and I'm rewriting that to use return error codes instead (see, e.g., https://github.com/sagemathinc/dash/commit/7117e1f6496728af0...).
> how would I go about porting a simple C->WASM w/ Typescript library project to CoWasm?
That's a great question, which I'm not sure how to quickly answer, so I've created a discussion item here https://github.com/sagemathinc/cowasm/discussions/40
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Encryption in PDF Specification and my attempt to do it in pdf-lib
Looks like this whole thing was motivated by the fact that, in order to get the encrypted PDF in a Buffer like they wanted, they had to save to disk and load it back. They could have instead used an in-memory filesystem such as https://github.com/streamich/memfs and just made the existing PDF library that was almost right use that.
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I used emscripten to port a command line program to JS/web assembly, now what?
How do I populate the input files? The filesystem API in emscripten talks about MEMFS, is that the same as this? https://github.com/streamich/memfs
react-native-file-access
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How the f do I save a file to a device's internal storage like the Downloads folder or the Music folder?
Try https://github.com/alpha0010/react-native-file-access, don’t know if it works with expo tho
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Download a pdf with rn-fetch-blob (IOS)
You could try https://github.com/alpha0010/react-native-file-access, really stable and uses up to date sdks specially on Android
- React Native file download
- Is it still ok to use the unmaintained library: Rn-fetch-blob? Are there better alternatives?
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How to allow users to browse and select a folder as the save location for new files?
You could try this too, it’s a new player in fs access: https://github.com/alpha0010/react-native-file-access
What are some alternatives?
fs-jetpack - Better file system API for Node.js
react-native-blob-util - A project committed to making file access and data transfer easier, efficient for React Native developers.
hazelcast-nodejs-client - Hazelcast Node.js Client
react-native-fs - Native filesystem access for react-native
spacedrive - Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.
rn-fetch-blob - A project committed to making file access and data transfer easier, efficient for React Native developers.
react-cool-virtual - 😎 ♻️ A tiny React hook for rendering large datasets like a breeze.
unionfs - Use multiple fs modules at once
cowasm - CoWasm: Collaborative WebAssembly for Servers and Browsers. Built using Zig. Supports Python with extension modules, including numpy.
istextorbinary - Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.