[CI] Migrate to GitHub Actions

Author: retyui

.github/workflows/nodejs.yml

@@ -0,0 +1,33 @@
+name: Code Quality
+
+on:
+  push:
+    paths:
+      - ".github/**"
+      - "yarn.lock"
+      - "**.js"
+
+
+jobs:
+  test_and_lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 10, 12, 14, 16 ]
+    steps:
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - uses: actions/checkout@v2
+
+      - uses: actions/cache@master
+        id: node_modules_cache
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+
+      - run: yarn install --frozen-lockfile
+        if: steps.node_modules_cache.outputs.cache-hit != 'true'
+
+      - run: yarn test

.travis.yml

@@ -126,6 +126,5 @@ function GroupCssMediaQueriesPostCssPlugin() {
   };
 }
 
-GroupCssMediaQueriesPostCssPlugin.postcss = true;
-
-export { GroupCssMediaQueriesPostCssPlugin };
+module.exports = GroupCssMediaQueriesPostCssPlugin;
+module.exports.postcss = true;