/* * Copyright (C) 2022 StApps * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation, version 3. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ import {minBy} from '../src/index.js'; import {expect} from 'chai'; describe('minBy', function () { it('should pick the minimum value based on transform', function () { expect( minBy( [ {id: 1, name: 'A'}, {id: 2, name: 'B'}, {id: 3, name: 'C'}, ], it => it.id, ), ).to.deep.equal({id: 1, name: 'A'}); }); it('should not return undefined if there are other choices', function () { expect( minBy( [ {id: undefined, name: 'B'}, {id: 1, name: 'A'}, {id: undefined, name: 'C'}, ], it => it.id, ), ).to.deep.equal({id: 1, name: 'A'}); }); });