import { describe, afterEach, test, expect } from "vitest";
import freeze from "./freeze.js";
describe("freeze", () => {
    afterEach(() => {
        delete process.env.NODE_ENV;
    });
    test("freezes objects", () => {
        const object = {};
        freeze(object);
        expect(Object.isFrozen(object)).to.be.true;
    });
    test("freezes nested objects", () => {
        const object = { foo: { bar: 3 } };
        freeze(object);
        expect(Object.isFrozen(object.foo)).to.be.true;
    });
    test("freezes nested arrays", () => {
        const object = [[0]];
        freeze(object);
        expect(Object.isFrozen(object)).to.be.true;
        expect(Object.isFrozen(object[0])).to.be.true;
    });
    test("ignores functions", () => {
        const object = { foo: () => 1 };
        freeze(object);
        expect(Object.isFrozen(object.foo)).to.be.false;
    });
    test("ignores regexps", () => {
        const object = { foo: /\d/ };
        freeze(object);
        expect(Object.isFrozen(object.foo)).to.be.false;
    });
    test("does not freeze children if the parent is already frozen", () => {
        const object = { foo: {} };
        Object.freeze(object);
        freeze(object);
        expect(Object.isFrozen(object.foo)).to.be.false;
    });
    test("does not freeze in production", () => {
        process.env.NODE_ENV = "production";
        const object = {};
        freeze(object);
        expect(Object.isFrozen(object)).to.be.false;
    });
    test("handles null objects", () => {
        const object = { foo: null };
        freeze(object);
        expect(Object.isFrozen(object)).to.be.true;
    });
    test("returns the same object", () => {
        const object = {};
        const result = freeze(object);
        expect(result).to.equal(object);
    });
});
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