import { test, expect, describe } from "vitest";
import u from "./index.js";
describe("update", () => {
    test("basic", () => {
        const orig = { a: 1 };
        const result = u(orig, { a: 1 });
        expect(result).toBe(orig);
    });
    test("array", () => {
        const orig = [1, 2, 3];
        const result = u(orig, { 1: 2 });
        expect(result).toBe(orig);
    });
    test("with u.skip", () => {
        const orig = { a: 1 };
        const result = u(orig, { b: u.skip });
        expect(result).toBe(orig);
    });
    test("found in the wild", () => {
        const x = { a: { c: 3 }, b: 2 };
        const res = u(x, { a: { c: 3 } });
        expect(res).toBe(x);
    });
});
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