How to re-open Deno.stdin?

// prompt.ts
// echo "test" | deno run prompt.ts

let message = ''
const decoder = new TextDecoder();

for await (const chunk of Deno.stdin.readable) {
  const textChunk = decoder.decode(chunk);
  message += textChunk
}

console.log('got', message)

window.prompt('hello?')

> echo "test" | deno run prompt.ts
got test

error: Uncaught (in promise) BadResource: Bad resource ID
window.prompt('hello?')
       ^
    at isatty (ext:runtime/40_tty.js:19:7)
    at prompt (ext:runtime/41_prompt.js:36:8)
    at [..]/prompt.ts:14:8