Add lint and compile tests to CI.

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: Node.js Install Test
+name: CI
 
 on:
   pull_request:
@@ -26,9 +26,16 @@ jobs:
           - "windows-latest"
 
     steps:
-      - uses: actions/checkout@v2
+      - name: Clone repository
+        uses: actions/checkout@v2
+
       - name: Use Node.js ${{ matrix.node }}
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node }}
-      - run: npm ci
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Build files
+        run: npm run compile

.github/workflows/lint.yml

@@ -0,0 +1,39 @@
+name: Lint
+
+on:
+  pull_request:
+  release:
+    types:
+      - created
+
+env:
+  CI: true
+  NODE: 12.x
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: "${{ env.NODE }}"
+
+      - name: Set up npm cache
+        uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-v${{ env.node }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}}
+          restore-keys: |
+            ${{ runner.OS }}-node-v${{ env.node }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
+            ${{ runner.OS }}-node-v${{ env.node }}-
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Run lint
+        run: npm run lint