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limbo-wasm

v0.0.17

Published

15 days ago

This source tree contains Limbo Wasm bindings.

Downloads

199

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Limbo Wasm bindings

This source tree contains Limbo Wasm bindings.

Building

For nodejs

./scripts/build

For web

./scripts/build web

Browser Support

Adding experimental support for limbo in the browser. This is done by adding support for OPFS as a VFS.

To see a basic example of this npm run dev and navigate to http://localhost:5173/limbo-opfs-test.html and open the console.

Design

This design mirrors sqlite's approach for OPFS support. It has a sync api in opfs.js which communicates with opfs-sync-proxy.js via SharedArrayBuffer and Atomics.wait. This allows us to live the VFS api in lib.rs unchanged.

You can see limbo-opfs-test.html for basic usage.

UTs

There are OPFS specific unit tests and then some basic limbo unit tests. These are run via npm test or npx vitest.

For more info and log output you can run npx vitest:ui but you can get some parallel execution of test cases which cause issues.

TODO

-[] Add a wrapper js that provides a clean interface to the limbo-worker.js -[] Add more tests for opfs.js operations -[] Add error return handling -[] Make sure posix flags for open are handled instead of just being ignored (this requires creating a mapping of behaviors from posix to opfs as far as makes sense)