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@nlozgachev/pipekit

uniqBy

uniqBy<A, B>(f): (data) => readonly A[]

Defined in: Core/Arr.ts:205

Removes duplicate elements by comparing the result of a key function.

Type Parameters

Section titled “Type Parameters”

A

Section titled “A”

A

B

Section titled “B”

B

Parameters

Section titled “Parameters”

f

Section titled “f”

(a) => B

Returns

Section titled “Returns”

(data): readonly A[]

Parameters

Section titled “Parameters”

data

Section titled “data”

readonly A[]

Returns

Section titled “Returns”

readonly A[]

Example

Section titled “Example”
pipe(
  [{id: 1, name: "a"}, {id: 1, name: "b"}, {id: 2, name: "c"}],
  Arr.uniqBy(x => x.id)
); // [{id: 1, name: "a"}, {id: 2, name: "c"}]