/* * 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/min.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" }); }); });