ts-prime/dist/es/chunk.test.js

A utility library for JavaScript and Typescript.

import { chunk } from './chunk';
describe('data first', function () {
    test('equal size', function () {
        expect(chunk(['a', 'b', 'c', 'd'], 2)).toEqual([
            ['a', 'b'],
            ['c', 'd'],
        ]);
    });
    test('not equal size', function () {
        expect(chunk(['a', 'b', 'c', 'd'], 3)).toEqual([
            ['a', 'b', 'c'],
            ['d'],
        ]);
    });
    test('1 element', function () {
        expect(chunk(['x'], 3)).toEqual([['x']]);
    });
    test('empty array', function () {
        expect(chunk([], 3)).toEqual([]);
    });
});
describe('data last', function () {
    test('equal size', function () {
        expect(chunk(2)(['a', 'b', 'c', 'd'])).toEqual([
            ['a', 'b'],
            ['c', 'd'],
        ]);
    });
});