PHP: Support php.mv() between devices via recursive copy #1411
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adamziel added [Type] Enhancement 
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Before this PR,
php.mv()from MEMFS to NODEFS would fail. With this PR, it works.Technically, this PR checks if
fromPathandtoPathbelong to the same mountpoint. If yes, it calls a fastFS.rename()function. If not, it runs a slower recursive copy followed by recursive remove of thefromPath.This runs the entire recursive copy and only then runs the recursive delete. I wonder if deleting each copied item as we go would make more sense?
This PR also brings in the Emscripten TS types as they made working with the
FSobject much easier.Testing Instructions
Review the new unit test and confirm it passes.