problem4.js

const express = require('express')
const router = express.Router()
const { sortByTitleAscending, sortByTitleDescending, sortByAuthorAscending, sortByAuthorAscending, filterData } = require('./functions')

const data = [
    {
        title: "100 Years of Solitude",
        author: "Gabriel Garcia Marquez"
    },
    {
        title: "Sun Also Rises",
        author: "Ernest Hemingway"
    },
    {
        title: "Bridge over the River Drina",
        author: "Ivo Andric"
    },
    {
        title: "Love In the Time of Cholera",
        author: "Gabriel Garcia Marquez"
    },
    {
        title: "Death of Ivan Ilych",
        author: "Leo Tolstoy"
    },
    {
        title: "Ulysses",
        author: "James Joyce"
    },
    {
        title: "Old Man and the Sea",
        author: "Ernest Hemingway"
    }
]

// define your get request here