From 2d28c523c1a447e8ac1fee470a6dee1ec4d549f8 Mon Sep 17 00:00:00 2001
From: Eugene Obrezkov <ghaiklor@gmail.com>
Date: Fri, 8 May 2020 20:31:42 +0300
Subject: [PATCH] =?UTF-8?q?feat:=20=F0=9F=8E=B8=20Deck=20extends=20an=20Ev?=
 =?UTF-8?q?entEmitter=20and=20produces=20exit=20event?=
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Deck extends from EventEmitter now and is able to emit event "exit" when
deck is got a request to exit. It is useful when you want to call some
routine after deck exits the presentation.
---
 packages/kittik-deck/src/Deck.ts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/kittik-deck/src/Deck.ts b/packages/kittik-deck/src/Deck.ts
index d169bb3..75c05ed 100644
--- a/packages/kittik-deck/src/Deck.ts
+++ b/packages/kittik-deck/src/Deck.ts
@@ -1,6 +1,7 @@
 import { Animationable } from 'kittik-animation-basic';
 import { Canvas } from 'terminal-canvas';
 import { DeckDeclaration } from './DeckDeclaration';
+import { EventEmitter } from 'events';
 import { ShapeRenderable } from 'kittik-shape-basic';
 import { Slide } from 'kittik-slide';
 import readline from 'readline';
@@ -12,13 +13,20 @@ export { DeckDeclaration } from './DeckDeclaration';
 export { ShapeBuilder } from 'kittik-slide';
 export { SlideBuilder } from 'kittik-slide';
 
-export class Deck {
+export declare interface Deck {
+  on: (event: 'exit', listener: () => void) => this
+  emit: (event: 'exit') => boolean
+}
+
+export class Deck extends EventEmitter {
   public canvas: Canvas = Canvas.create();
   private readonly slides: Slide[] = [];
   private isRendering = false;
   private currentSlideIndex = 0;
 
   public constructor (declaration?: DeckDeclaration) {
+    super();
+
     if (typeof declaration?.canvas !== 'undefined') {
       this.canvas = declaration.canvas;
     }
@@ -106,6 +114,8 @@ export class Deck {
   public exit (): void {
     process.stdin.pause();
     process.stdin.removeAllListeners();
+
+    this.emit('exit');
   }
 
   private initSlides (declaration: DeckDeclaration): void {