feat: add Prompter class

src/deployer.ts

@@ -8,6 +8,8 @@
 import { EventEmitter } from 'events';
 import { Dictionary, Nullable } from '@salesforce/ts-types';
 import cli from 'cli-ux';
+import { QuestionCollection } from 'inquirer';
+import { Prompter } from './prompter';
 
 export interface Preferences {
   interactive: boolean;
@@ -28,15 +30,20 @@ export abstract class Deployable {
  */
 export abstract class Deployer extends EventEmitter {
   public deployables: Deployable[] = [];
+  private prompter = new Prompter();
 
-  // Standard methods implemented in the base class methods
   // eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-empty-function
   public progress(current: number, total: number, message: string): void {}
 
   public log(msg: string | undefined, ...args: string[]): void {
     cli.log(msg, ...args);
   }
 
+  public async prompt<T>(questions: QuestionCollection<T>, initialAnswers?: Partial<T>): Promise<T> {
+    const answers = await this.prompter.prompt<T>(questions, initialAnswers);
+    return answers;
+  }
+
   public selectDeployables(deployables: Deployable[]): void {
     this.deployables = Object.assign([], deployables);
   }

src/exported.ts

@@ -7,3 +7,4 @@
 
 export { generateTableChoices } from './util';
 export { Deployable, Deployer, Options, Preferences } from './deployer';
+export { Prompter } from './prompter';

src/prompter.ts

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2021, salesforce.com, inc.
+ * All rights reserved.
+ * Licensed under the BSD 3-Clause license.
+ * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
+ */
+
+import { prompt, QuestionCollection } from 'inquirer';
+
+export class Prompter {
+  public async prompt<T = Prompter.Answers>(questions: QuestionCollection<T>, initialAnswers?: Partial<T>): Promise<T> {
+    const answers = await prompt<T>(questions, initialAnswers);
+    return answers;
+  }
+}
+
+export namespace Prompter {
+  export type Answers<T = Record<string, unknown>> = T & Record<string, unknown>;
+}