import { Deno } from "https://deno.land/x/deno@v1.41.0/cli/tsc/dts/lib.deno.ns.d.ts";
const { FsFile } = Deno;
UNSTABLE: New API, yet to be vetted.
Synchronously flushes any pending data operations of the given file stream to disk.
using file = Deno.openSync(
"my_file.txt",
{ read: true, write: true, create: true },
);
file.writeSync(new TextEncoder().encode("Hello World"));
file.syncDataSync();
console.log(Deno.readTextFileSync("my_file.txt")); // Hello World