ci(actions): update workflow

Author: sambacha

.github/workflows/nodejs.yml

@@ -1,21 +1,53 @@
+
 name: nodejs
 
 on:
   push:
-  pull_request:
+    paths:
+    - '**/**'
+    - '!**/docs/**' 
+    
+
+env:
+  CI: true
+  FORCE_COLOR: 2
+
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
+  run:
+    name: Node ${{ matrix.node }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
-        node-version: ["10", "12", "14"]
+        node: ["10.x", "12.x", "14.x"]
+        os: ["ubuntu-latest"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.1.4
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm install
+
+
+      - name: Get npm cache directory
+        id: npm-cache-dir
+        run: |
+          echo "::set-output name=dir::$(npm config get cache)"
+      - uses: actions/cache@v2
+        id: npm-cache # use this to check for `cache-hit` ==> if: steps.npm-cache.outputs.cache-hit != 'true'
+        with:
+          path: ${{ steps.npm-cache-dir.outputs.dir }}
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+
+      - name: npm install, build, and test
+        run: |
+          npm install
+          npm run ci
+        env:
+          CI: true