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