From 0d662798908b74cabb8470cd26be4bbe6163030b Mon Sep 17 00:00:00 2001
From: Peter Mikitsh <peter.mikitsh@gmail.com>
Date: Wed, 13 Nov 2019 10:35:51 -0800
Subject: [PATCH 1/2] feat: subtract implementation

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

diff --git a/src/index.ts b/src/index.ts
index c68b57a..a3c7f3d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,7 @@
 export const add = (a: number, b: number) => {
   return a + b;
 };
+
+export const subtract = (a: number, b: number) => {
+  return a - b;
+};

From 76a18629ef9b08eec8e9f5aefa0fefdd042e0ddf Mon Sep 17 00:00:00 2001
From: Peter Mikitsh <peter.mikitsh@gmail.com>
Date: Wed, 13 Nov 2019 10:43:31 -0800
Subject: [PATCH 2/2] fix: build

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index b513f3a..c1f9bb4 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Learning GitHub Actions",
   "main": "dist/index.js",
   "scripts": {
-    "build": "tsc src/index.ts --module commonjs --outDir dist",
+    "build": "tsc src/index.ts --module commonjs --outDir dist --lib es2015",
     "test": "jest"
   },
   "repository": {