ref(inquirer): Replace inquirer with prompts

Inspired by facebook/create-react-app#10083. `prompts` is a modern and
lighter alternative to `inquirer` and it is almost a drop-in
replacement. This change shaves off 0.7MB from our minified builds.

Author: BYK

package.json

@@ -31,7 +31,6 @@
     "@types/async": "^3.0.1",
     "@types/cli-table": "^0.3.0",
     "@types/form-data": "^2.2.1",
-    "@types/inquirer": "^0.0.41",
     "@types/jest": "^26.0.14",
     "@types/js-yaml": "^3.11.1",
     "@types/mkdirp": "^1.0.0",
@@ -57,7 +56,7 @@
     "esbuild": "^0.11.6",
     "eslint": "^7.2.0",
     "eslint-config-prettier": "^6.11.0",
-    "inquirer": "6.2.1",
+    "prompts": "2.4.1",
     "jest": "^26.5.3",
     "js-yaml": "3.12.0",
     "json-schema-to-typescript": "5.7.0",

src/commands/publish.ts

@@ -1,5 +1,5 @@
 import * as Github from '@octokit/rest';
-import * as inquirer from 'inquirer';
+import prompts from 'prompts';
 import { Arguments, Argv, CommandBuilder } from 'yargs';
 import chalk from 'chalk';
 import {
@@ -215,19 +215,15 @@ async function promptConfirmation(targetList: BaseTarget[]): Promise<void> {
   logger.info(' ');
 
   if (hasInput()) {
-    const questions = [
-      {
-        message: 'Is everything OK? Type "yes" to proceed:',
-        name: 'readyToPublish',
-        type: 'input',
-        // Force the user to type something that is not empty or one letter such
-        // as y/n to make sure this is a concious choice.
-        validate: (input: string) =>
-          input.length >= 2 || 'Please type "yes" to proceed',
-      },
-    ];
-    const answers = (await inquirer.prompt(questions)) as any;
-    const readyToPublish = coerceType<string>(answers.readyToPublish, 'string');
+    const { readyToPublish } = await prompts({
+      message: 'Is everything OK? Type "yes" to proceed:',
+      name: 'readyToPublish',
+      type: 'text',
+      // Force the user to type something that is not empty or one letter such
+      // as y/n to make sure this is a concious choice.
+      validate: (input: string) =>
+        input.length >= 2 || 'Please type "yes" to proceed',
+    });
     if (readyToPublish.toLowerCase() !== 'yes') {
       logger.error('Oh, okay. Aborting.');
       process.exit(1);

src/targets/npm.ts

@@ -1,5 +1,5 @@
 import { SpawnOptions, spawnSync } from 'child_process';
-import * as inquirer from 'inquirer';
+import prompts from 'prompts';
 
 import { logger as loggerRaw } from '../logger';
 import { TargetConfig } from '../schemas/project_config';
@@ -114,17 +114,14 @@ export class NpmTarget extends BaseTarget {
    * Ask the user for the OTP value
    */
   protected async requestOtp(): Promise<string> {
-    const questions = [
-      {
-        message: 'Looks like your NPM account uses 2FA. Enter OTP:',
-        name: 'otp',
-        type: 'input',
-        validate: (input: string) =>
-          (input.length > 3 && input.length < 10) || 'Valid OTP, please',
-      },
-    ];
-    const answers = (await inquirer.prompt(questions)) as any;
-    return answers.otp;
+    const {   otp   } = await prompts({
+      message: 'Looks like your NPM account uses 2FA. Enter OTP:',
+      name: 'otp',
+      type: 'text',
+      validate: (input: string) =>
+        (input.length > 3 && input.length < 10) || 'Valid OTP, please',
+    });
+    return otp;
   }
 
   /**