Multi-file uploads without a webkitRelativePath have no meaningful basename, so name is returned as null and no name piece metadata is attached (see withDerivedNameMetadata).
webkitRelativePath
name
null
withDerivedNameMetadata
Multi-file uploads without a
webkitRelativePathhave no meaningful basename, sonameis returned asnulland nonamepiece metadata is attached (seewithDerivedNameMetadata).