axax/esnext/__tests__/first.test.js

A library of async iterator extensions for JavaScript including ```map```, ```reduce```, ```filter```, ```flatMap```, ```pipe``` and [more](https://github.com/jamiemccrindle/axax/blob/master/docs/API.md#functions).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const first_1 = require("../first");
const of_1 = require("../of");
const toArray_1 = require("../toArray");
test("first", async () => {
    const result = await toArray_1.toArray(first_1.first()(of_1.of(1, 2, 3, 4, 5, 6)));
    expect(result).toEqual([1]);
});
test("first with predicate", async () => {
    const result = await toArray_1.toArray(first_1.first((value) => value % 5 === 0)(of_1.of(1, 2, 3, 4, 5, 6)));
    expect(result).toEqual([5]);
});