ts-prime/src/allPass.test.ts

A utility library for JavaScript and Typescript.

import { allPass } from './allPass';

const fns = [(x: number) => x % 3 === 0, (x: number) => x % 4 === 0] as const;

describe('data first', () => {
  test('allPass', () => {
    expect(allPass(12, fns)).toEqual(true);
    expect(allPass(4, fns)).toEqual(false);
    expect(allPass(3, fns)).toEqual(false);
  });
});

describe('data last', () => {
  test('allPass', () => {
    expect(allPass(fns)(12)).toEqual(true);
    expect(allPass(fns)(4)).toEqual(false);
    expect(allPass(fns)(3)).toEqual(false);
  });
});