peer optional failure Aroot -> (x, y@1) x -> PEEROPTIONAL(z) z -> PEER(y@2)npm/arborist#2232 dependencies2 dependents1 version@isaacs/testing-peer-optional-conflict-a-x@isaacs/testing-peer-optional-conflict-a-y@infinitebrahmanuniverse/nolb-_is@everything-registry/sub-chunk-4721.0.03 years ago