Drill 20: Trade-off — Testing with Vitest

import { describe, expect, it } from "vitest";
import { slugify } from "./slugify.js";

describe("slugify", () => {
  it("lowercases and joins words", () => {
    expect(slugify("Learn JavaScript")).toBe("learn-javascript");
  });

  it("trims surrounding spaces", () => {
    expect(slugify("  Hello World  ")).toBe("hello-world");
  });

  it("handles an empty string", () => {
    expect(slugify("")).toBe("");
  });
});