lux-framework/src/packages/cli/utils/create-prompt.js

Build scalable, Node.js-powered REST APIs with almost no code.

// @flow
import { createInterface } from 'readline';

const YES = /^y(es)?$/i;

export default function createPrompt() {
  const prompt = createInterface({
    input: process.stdin,
    output: process.stdout
  });

  prompt.setPrompt('');

  return {
    question(text: string): Promise<boolean> {
      return new Promise(resolve => {
        prompt.question(text, answer => {
          resolve(YES.test(answer));
        });
      });
    },

    close(): void {
      prompt.close();
    }
  };
}