Function ensureFileSync

ensureFileSync(filePath): void
Synchronously ensures that the file exists.

If the file already exists, this function does nothing. If the parent directories for the file do not exist, they are created.

Requires --allow-read and --allow-write permissions.
Parameters
- filePath: string | URL
  The path of the file to ensure, as a string or URL.
Returns void
A void value that returns once the file exists.
See
https://docs.deno.com/runtime/manual/basics/permissions#file-system-access for more information on Deno's permissions system.
Example: Usage
```
import { ensureFileSync } from "@std/fs/ensure-file";

ensureFileSync("./folder/targetFile.dat");
```
- Defined in fs/ensure_file.ts:76