function promises.truncate Usage in Deno```typescript import { promises } from "node:node__fs.d.ts"; ``` truncate(path: PathLike,len?: number,): Promise<void> Truncates (shortens or extends the length) of the content at `path` to `len` bytes. Parameters path: PathLike optional len: number = 0 Return Type Promise<void> Fulfills with `undefined` upon success.