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

A utility library for JavaScript and Typescript.

import { reduce } from './reduce';
import { pipe } from './pipe';
var array = [1, 2, 3, 4, 5];
describe('data first', function () {
    test('reduce', function () {
        expect(reduce(array, function (acc, x) { return acc + x; }, 100)).toEqual(115);
    });
    test('reduce.indexed', function () {
        var i = 0;
        expect(reduce.indexed(array, function (acc, x, index, items) {
            expect(index).toBe(i);
            expect(items).toBe(array);
            i++;
            return acc + x;
        }, 100)).toEqual(115);
    });
});
describe('data last', function () {
    test('reduce', function () {
        expect(pipe(array, reduce(function (acc, x) { return acc + x; }, 100))).toEqual(115);
    });
    test('reduce.indexed', function () {
        expect(pipe(array, reduce.indexed(function (acc, x) { return acc + x; }, 100))).toEqual(115);
    });
});