OptionalfileThe module id of the entry point of the chunk.
It will be passed through build hooks just like regular entry points,
starting with resolveId.
OptionalimporterOptionalnameOptionalpreserveWhen provided, this will override
preserveEntrySignatures for this particular
chunk.
Either a
nameor afileNamecan be supplied. If afileNameis provided, it will be used unmodified as the name of the generated file, throwing an error if this causes a conflict. Otherwise, if anameis supplied, this will be used as substitution for[name]in the correspondingoutput.chunkFileNamespattern, possibly adding a unique number to the end of the file name to avoid conflicts. If neither anamenorfileNameis supplied, a default name will be used.