setup CI

Author: RobinMalfait

.github/workflows/main.yml

@@ -0,0 +1,39 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x, 15.x]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Use Node ${[ 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
+
+      - name: Test
+        run: npm run test -- --coverage
+        env:
+          CI: true