feat: blockstore-opfs #314
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INCOMPLETE
Adds blockstore-opfs package to js-stores
The Origin Private Filesystem is a modern browser storage api representing a filesystem. This PR adds a new implementation of a blockstore using OPFS as the backend.
I've done some benchmarking and it seems indexeddb blockstore is still much faster for reads and writes to at least 256kb chunks. Benchmarks are here: https://github.com/tabcat/js-stores/tree/benchmark-opfs in the blockstore-opfs package.
I don't see a point in continuing this as indexeddb is better supported and faster (only benched chromium). There may be use for OPFS as a storage backend in js-IPFS land if blake3 makes chunking unnecessary, however blockstore may not be the best interface at that point.