import { isSorted } from "https://deno.land/x/30_seconds_of_typescript@v1.0.1/util.ts";
Returns 1
if the array is sorted in ascending order, -1
if it is sorted in descending order or 0
if it is not sorted.
Calculate the ordering direction
for the first two elements.
Use Object.entries()
to loop over array objects and compare them in pairs.
Return 0
if the direction
changes or the direction
if the last element is reached.