Use of OPFS (aka whatwg/fs)

[jimmywarting]

file system access provide a way of uploading a user directory folder and store the handle inside of indexeddb. you can also create files within navigator.storage.getDirectory()

it would be neat to work with it somehow. i could imagine just dragging in a folder, and only calculate the sha2 for each file instead of duplicating everything into indexeddb. IDB could still be used for storing keys, but the file would better sit at OPFS or be provided by yourself somehow.

[welcome]

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