import { lines } from "./error"; it("should extract lines correctly", () => { const input = "AAA\nmeow\n:3\n\n"; const lineSpans = lines({ content: input }); const lineContents = lineSpans.map(({ start, end }) => input.slice(start, end) ); expect(lineContents).toStrictEqual(["AAA", "meow", ":3", "", ""]); });