@guoba-ai/utils / array / uniqBy

Function: uniqBy()

function uniqBy<T>(array, fn): T[];

Defined in: array.ts:54

Remove duplicate elements from an array by a derived key.

Parameters

array

T[]

The input array

fn

(item) => unknown

Function that returns the key used for uniqueness

Returns

T[]

A new array with the first item for each key, preserving order

Example

uniqBy([{ id: 1 }, { id: 2 }, { id: 1 }], item => item.id)
// [{ id: 1 }, { id: 2 }]