Type Alias Id<Datum>

Id: (datum: Datum, index: number) => string

an accessor for getting ids from node data

The accessor must return an appropriate unique string id for given datum. This operator will only be called once for each input.

index will increment in the order data are processed.

This is used in Stratify#id, Connect#sourceId, and Connect#targetId.

Type Parameters

in Datum = never

Type Declaration

- (datum: Datum, index: number): string
- Parameters
  - datum: Datum
  - index: number
  Returns string