Add test workflow

Author: thecrypticace

.github/workflows/nodejs.yml

@@ -0,0 +1,41 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12, 14, 16]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Use cached node_modules
+        id: cache
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: nodeModules-${{ hashFiles('**/package-lock.json') }}-${{ matrix.node-version }}
+          restore-keys: |
+            nodeModules-
+      - name: Install dependencies
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: npm install
+        env:
+          CI: true
+      - run: npm test
+        env:
+          CI: true

.gitignore

@@ -1,3 +1 @@
-node_modules
-yarn.lock
-package-lock.json
+node_modules