appendToArray - API reference

API reference › @evolu/common › Array › appendToArray

function appendToArray<T>(array: readonly T[], item: T): readonly [T, T];

Defined in: packages/common/src/Array.ts:323

Appends an item to an array, returning a new non-empty readonly array.

Appending a value

import { appendToArray, type NonEmptyReadonlyArray } from "@evolu/common";

const values = appendToArray([1, 2, 3], 4);
expect(values).toEqual([1, 2, 3, 4]);
expectTypeOf(values).toEqualTypeOf<NonEmptyReadonlyArray<number>>();