Update workflow (#1)

* Run workflow on linux, mac, and windows

* Add status badge

* Use npm install instead

* Bump typescript version

* Use node 12.x

.github/workflows/workflow.yml

@@ -1,4 +1,4 @@
-name: Test Cache Action
+name: Tests
 on:
   pull_request:
   push:
@@ -7,10 +7,19 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    name: Test on ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+    runs-on: ${{ matrix.os }}
+    
     steps:
     - uses: actions/checkout@v1
       
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+
     - run: npm ci
 
     - name: Prettier Format Check

README.md

@@ -2,6 +2,8 @@
 
 This GitHub Action allows caching dependencies and build outputs to improve workflow execution time.
 
+<a href="https://github.com/actions/cache"><img alt="GitHub Actions status" src="https://github.com/actions/cache/workflows/Tests/badge.svg"></a>
+
 ## Usage
 
 ### Pre-requisites

package-lock.json

@@ -4975,9 +4975,9 @@
       }
     },
     "typescript": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-      "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
+      "version": "3.6.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.4.tgz",
+      "integrity": "sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==",
       "dev": true
     },
     "uglify-js": {

package.json

@@ -38,6 +38,6 @@
     "jest-circus": "^24.7.1",
     "prettier": "1.18.2",
     "ts-jest": "^24.0.2",
-    "typescript": "^3.5.1"
+    "typescript": "^3.6.4"
   }
 }