fix: integrate review feedback

Author: escapedcat

@commitlint/prompt/src/index.ts

@@ -3,16 +3,8 @@ import {input} from './input';
 
 type Commit = (input: string) => void;
 
-/**
- * Entry point for commitizen
- * @param cz inquirer instance passed by commitizen
- * @param commit callback to execute with complete commit message
- * @return {void}
- */
-export async function prompter(
-	cz: typeof inquirer,
-	commit: Commit
-): Promise<void> {
-	const message = await input(cz.prompt);
-	commit(message);
+export function prompter(cz: typeof inquirer, commit: Commit): void {
+	input(cz.prompt).then((message) => {
+		commit(message);
+	});
 }

@commitlint/prompt/src/inquirer/InputCustomPrompt.ts

@@ -1,10 +1,9 @@
 /// <reference path="./inquirer.d.ts" />
-import {Interface as ReadlineInterface, Key} from 'readline';
-
 import chalk from 'chalk';
 import inquirer from 'inquirer';
 import InputPrompt from 'inquirer/lib/prompts/input';
 import observe from 'inquirer/lib/utils/events';
+import {Interface as ReadlineInterface, Key} from 'readline';
 import type {Subscription} from 'rxjs/internal/Subscription';
 
 import Answers = inquirer.Answers;
@@ -86,7 +85,6 @@ export default class InputCustomPrompt<
 	render(error?: string): void {
 		const answered = this.status === 'answered';
 
-		let bottomContent = '';
 		let message = this.getQuestion();
 		const length = this.measureInput(this.rl.line);
 
@@ -96,6 +94,8 @@ export default class InputCustomPrompt<
 			message += this.opt.transformer(this.rl.line, this.answers, {});
 		}
 
+		let bottomContent = '';
+
 		if (error) {
 			bottomContent = chalk.red('>> ') + error;
 		} else if (!answered) {