Use GitHub Actions

.github/workflows/validate.yml

@@ -0,0 +1,38 @@
+name: validate
+on:
+  push:
+    branches:
+      - '+([0-9])?(.{+([0-9]),x}).x'
+      - 'main'
+      - 'next'
+      - 'next-major'
+      - 'beta'
+      - 'alpha'
+      - '!all-contributors/**'
+  pull_request: {}
+jobs:
+  main:
+    # ignore all-contributors PRs
+    if: ${{ !contains(github.head_ref, 'all-contributors') }}
+    strategy:
+      matrix:
+        node: [12, 14, 16]
+    runs-on: ubuntu-latest
+    steps:
+      - name: 🛑 Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.0
+
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v2
+
+      - name: ⎔ Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: 📥 🏗 Download deps and run build script
+        uses: bahmutov/npm-install@v1
+        with:
+          useLockFile: false
+        env:
+          HUSKY_SKIP_INSTALL: true

.gitignore

@@ -114,3 +114,5 @@ dist
 .yarn/unplugged
 .yarn/build-state.yml
 .pnp.*
+
+lib