import { Deno } from "https://deno.land/x/deno@v1.0.0/cli/js/lib.deno.ns.d.ts";
const { createSync } = Deno;
Creates a file if none exists or truncates an existing file and returns
an instance of Deno.File.
const file = Deno.createSync("/foo/bar.txt");
Requires allow-read and allow-write permissions.