[Read stdin node.js] #node #stdin #stream

read-stdin.js

import assert from "node:assert";
import { readFileSync } from "node:fs";

let inputText;

try {
  inputText = readFileSync(process.stdin.fd, "utf-8");
} catch (err) {
  assert.ok(err instanceof Error);

  // Empty input?
  if ("code" in err && err.code === "EAGAIN") {
    process.exit(0);
  }

  throw err;
}

console.log(inputText);