Type Alias UniqueOptions<Type>

type UniqueOptions<Type> = {
    filter?: (item: Type) => boolean;
    identity?: (item: Type) => unknown;
    store?: MembershipStore<unknown>;
}

Properties

filter?: (item: Type) => boolean

Return true to yield the item.

identity?: (item: Type) => unknown

Return a custom ID to uniquely identify an item.

store?: MembershipStore<unknown>

A store to keep track of which items have been seen.

If you have a large dataset, you may want to use a more memory-efficient store than a Set, such as a Bloom filter.

Set<unknown>.