add support for `email-prompt`

lib/login.js

@@ -3,23 +3,7 @@ import fetch from 'node-fetch';
 import * as cfg from './cfg';
 import { stringify as stringifyQuery } from 'querystring';
 import { validate } from 'email-validator';
-
-function readEmail ({ invalid = false } = {}) {
-  return new Promise((resolve, reject) => {
-    const decorate = invalid ? chalk.red : (v) => v;
-    const prompt = decorate('> Enter your email address: ');
-    process.stdout.write(prompt);
-    const data = [];
-    process.stdin.on('data', (d) => {
-      data.push(d);
-      if (d.indexOf('\n') > -1) {
-        process.stdin.pause();
-        resolve(Buffer.concat(data).toString().trim());
-      }
-    });
-    process.stdin.resume();
-  });
-}
+import readEmail from 'email-prompt';
 
 async function getVerificationToken (url, email) {
   const data = JSON.stringify({ email });
@@ -59,6 +43,8 @@ function sleep (ms) {
 
 async function register (url, { retryEmail = false } = {}) {
   const email = await readEmail({ invalid: retryEmail });
+  process.stdout.write('\n');
+
   if (!validate(email)) return register(url, { retryEmail: true });
 
   const verificationToken = await getVerificationToken(url, email);

package.json

@@ -32,7 +32,8 @@
     "split-array": "1.0.1",
     "text-table": "0.2.0",
     "spdy": "3.3.3",
-    "email-validator": "1.0.4"
+    "email-validator": "1.0.4",
+    "email-prompt": "0.1.3"
   },
   "devDependencies": {
     "alpha-sort": "1.0.2",