Process STDIN line by line

async-iteration.js

const os = require("os");

async function main() {

  let input = Buffer.from([]);

  for await (const chunk of process.stdin) {
    input = Buffer.concat([input, chunk]);
  }

  for (const line of input.toString().split(os.EOL)) {
    console.log(line);
  }

}

main();