Use GitHub Actions

Author: niksy

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  Test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version:
+          - 12
+          - 16
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+
+      - name: Use Node ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Test
+        run: npm test

.travis.yml

@@ -17,7 +17,7 @@
     "test": "ava test/*.js --verbose --serial",
     "build": "babel src/ --out-dir lib/",
     "watch": "babel --watch src/ --out-dir lib/",
-    "prepublish": "npm test",
+    "prepublishOnly": "npm run build && npm test",
     "pretest": "npm run build"
   },
   "repository": "2createStudio/postcss-sprites",