From 997db3620b6cff8730d56225d399ad9f3977442e Mon Sep 17 00:00:00 2001
From: Mazlan <git@lann.me>
Date: Sat, 14 Aug 2021 08:29:59 +0800
Subject: [PATCH] Support for noUncheckedIndexedAccess tsconfig

---
 index.js      | 14 ++++++++------
 index.ts      | 10 ++++++----
 tsconfig.json |  2 ++
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/index.js b/index.js
index c9cea7f..f405b47 100644
--- a/index.js
+++ b/index.js
@@ -22,7 +22,7 @@ var Graceful = /** @class */ (function () {
                 process.removeListener('uncaughtException', Graceful.exceptionListener);
             }
         },
-        enumerable: true,
+        enumerable: false,
         configurable: true
     });
     Object.defineProperty(Graceful, "captureRejections", {
@@ -40,7 +40,7 @@ var Graceful = /** @class */ (function () {
                 process.removeListener('unhandledRejection', Graceful.rejectionListener);
             }
         },
-        enumerable: true,
+        enumerable: false,
         configurable: true
     });
     Graceful.on = function (signal, listener) {
@@ -116,8 +116,9 @@ var Graceful = /** @class */ (function () {
     Graceful.updateRegistration = function () {
         if (Graceful.listeners.length && !Graceful.isRegistered) {
             var _loop_1 = function (deadlySignal) {
-                Graceful.signalsListeners[deadlySignal] = function () { return Graceful.onDeadlyEvent(deadlySignal); };
-                process.on(deadlySignal, Graceful.signalsListeners[deadlySignal]);
+                var listener = function () { return Graceful.onDeadlyEvent(deadlySignal); };
+                Graceful.signalsListeners[deadlySignal] = listener;
+                process.on(deadlySignal, listener);
             };
             for (var _i = 0, _a = Graceful.DEADLY_SIGNALS; _i < _a.length; _i++) {
                 var deadlySignal = _a[_i];
@@ -128,8 +129,9 @@ var Graceful = /** @class */ (function () {
         else if (!Graceful.listeners.length && Graceful.isRegistered) {
             for (var _b = 0, _c = Graceful.DEADLY_SIGNALS; _b < _c.length; _b++) {
                 var deadlySignal = _c[_b];
-                if (Graceful.signalsListeners[deadlySignal]) {
-                    process.removeListener(deadlySignal, Graceful.signalsListeners[deadlySignal]);
+                var listener = Graceful.signalsListeners[deadlySignal];
+                if (listener) {
+                    process.removeListener(deadlySignal, listener);
                     delete Graceful.signalsListeners[deadlySignal];
                 }
             }
diff --git a/index.ts b/index.ts
index df7f993..98c3c77 100644
--- a/index.ts
+++ b/index.ts
@@ -138,14 +138,16 @@ export default class Graceful {
     private static updateRegistration() {
         if (Graceful.listeners.length && !Graceful.isRegistered) {
             for (const deadlySignal of Graceful.DEADLY_SIGNALS) {
-                Graceful.signalsListeners[deadlySignal] = () => Graceful.onDeadlyEvent(deadlySignal);
-                process.on(deadlySignal as any, Graceful.signalsListeners[deadlySignal]);
+                const listener = () => Graceful.onDeadlyEvent(deadlySignal);
+                Graceful.signalsListeners[deadlySignal] = listener
+                process.on(deadlySignal as any, listener);
             }
             Graceful.isRegistered = true
         } else if (!Graceful.listeners.length && Graceful.isRegistered) {
             for (const deadlySignal of Graceful.DEADLY_SIGNALS) {
-                if (Graceful.signalsListeners[deadlySignal]) {
-                    process.removeListener(deadlySignal as any, Graceful.signalsListeners[deadlySignal]);
+                const listener = Graceful.signalsListeners[deadlySignal]
+                if (listener) {
+                    process.removeListener(deadlySignal, listener);
                     delete Graceful.signalsListeners[deadlySignal];
                 }
             }
diff --git a/tsconfig.json b/tsconfig.json
index de9cf42..04b7698 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,6 +5,8 @@
     "strict": true,
     "alwaysStrict": true,
     "preserveConstEnums": true,
+    "noPropertyAccessFromIndexSignature": true,
+    "noUncheckedIndexedAccess": true,
     "sourceMap": false,
     "moduleResolution": "Node",
     "esModuleInterop": true,