git.squeep.com Git - squeep-authentication-module/blob - lib/stdio-credential.js

   1 'use strict';
   2
   3 const readline = require('node:readline');
   4 const stream = require('node:stream');
   5
   6 /**
   7  * Read a credential from stdin in a silent manner.
   8  * @param {String} prompt
   9  * @returns {Promise<String>}
  10  */
  11 async function stdioCredential(prompt) {
  12   const input = process.stdin;
  13   const output = new stream.Writable({
  14     write: function (chunk, encoding, callback) {
  15       if (!this.muted) {
  16         process.stdout.write(chunk, encoding);
  17       }
  18       callback();
  19     },
  20   });
  21   const rl = readline.createInterface({ input, output, terminal: !!process.stdin.isTTY });
  22   rl.setPrompt(prompt);
  23   rl.prompt();
  24   output.muted = true;
  25
  26   return new Promise((resolve) => {
  27     rl.question('', (answer) => {
  28       output.muted = false;
  29       rl.close();
  30       output.write('\n');
  31       resolve(answer);
  32     });
  33   });
  34 }
  35
  36 module.exports = stdioCredential;