distinct<T>

Reduces the provided array so it contains only unique values.

ts

import { distinct } from '@progress/kendo-data-query';

const data = [
    { name: "Pork", category: "Food", subcategory: "Meat" },
    { name: "Pepper", category: "Food", subcategory: "Vegetables" },
    { name: "Beef", category: "Food", subcategory: "Meat" }
];

const result = distinct(data, "subcategory");

// output:
// result => [
//     { name: "Pork", category: "Food", subcategory: "Meat" },
//     { name: "Pepper", category: "Food", subcategory: "Vegetables" }
// ];

Parameters

data

T[]

The array that will be reduced.

comparer

string | Comparer

An optional custom comparer function or the field name that will be used for comparison.

Returns

T[]

- The reduced data.