Merge pull request #858 from GoogleChromeLabs/gh-actions

Switch from Travis to Github Actions

.github/workflows/node.js.yml

@@ -0,0 +1,22 @@
+name: Node.js CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - id: nvmrc
+      uses: browniebroke/read-nvmrc-action@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '${{ steps.nvmrc.outputs.node_version }}'
+    - run: npm ci
+    - run: npm run build

.travis.yml

@@ -1,7 +0,0 @@
-language: node_js
-cache: npm
-script: npm run build
-after_success: npm run sizereport
-os:
-  - linux
-  - windows