pragmatic-fp-ts/deno_lib/__tests__/intersperse.test.ts

Opinionated functional programming library with easy use in mind

import { intersperse } from "../main.ts";

describe("intersperse()", () => {
  it("intersperses collections", () => {
    expect(intersperse("a", ["b", "n", "n", "s"]).join("")).toEqual("bananas");
  });

  it("handles corner cases", () => {
    expect(intersperse("a", ["b"])).toEqual(["b"]);
    expect(intersperse("a", [])).toEqual([]);
  });
});