method Deno.FsFile.prototype.syncDataSync
FsFile.prototype.syncDataSync(): void
Synchronously flushes any pending data operations of the given file stream
to disk.
```ts
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
```
void