From 959a03a041d7faf9427208cbd5c8e57c01d59938 Mon Sep 17 00:00:00 2001
From: Kiikurage <y.kikura@gmail.com>
Date: Sun, 19 Jan 2020 15:25:16 +0900
Subject: [PATCH] Improve type definition to use optional chaining

---
 src/index.d.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/index.d.ts b/src/index.d.ts
index 9de3b9f..4908e60 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -47,6 +47,8 @@ export interface PendingPromiseState<T = {}> extends PromiseStateBase {
   readonly pending: true;
   readonly fulfilled: false;
   readonly rejected: false;
+  readonly value: undefined;
+  readonly reason: undefined;
 }
 
 export interface FulfilledPromiseState<T = {}> extends PromiseStateBase {
@@ -54,12 +56,14 @@ export interface FulfilledPromiseState<T = {}> extends PromiseStateBase {
   readonly fulfilled: true;
   readonly rejected: false;
   readonly value: T;
+  readonly reason: undefined;
 }
 
 export interface RejectedPromiseState<T = {}> extends PromiseStateBase {
   readonly pending: false;
   readonly fulfilled: false;
   readonly rejected: true;
+  readonly value: undefined;
   readonly reason: any;
 }