Node 18

Author: MoOx

.github/workflows/build.yml

@@ -0,0 +1,23 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version-file: ".node-version"
+
+      - uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - run: npm ci
+
+      - run: npm test

.node-version

@@ -0,0 +1 @@
+18

.travis.yml

@@ -1,7 +1,6 @@
 # reduce-css-calc
 
-[![Build Status](https://travis-ci.org/MoOx/reduce-css-calc.svg)](https://travis-ci.org/MoOx/reduce-css-calc)
-
+[![Build Status](https://github.com/MoOx/reduce-css-calc/workflows/Build/badge.svg)](https://github.com/MoOx/reduce-css-calc/actions)
 > Reduce CSS calc() function to the maximum.
 
 Particularly useful for packages like [rework-calc](https://github.com/reworkcss/rework-calc) or [postcss-calc](https://github.com/postcss/postcss-calc).