import { deepGet } from "https://deno.land/x/30_seconds_of_typescript@v1.0.1/util.ts";
Returns the target value in a nested JSON object, based on the keys
array.
Compare the keys you want in the nested JSON object as an Array
.
Use Array.prototype.reduce()
to get value from nested JSON object one by one.
If the key exists in object, return target value, otherwise, return null
.