add CI

Author: Rich-Harris

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+# cancel in-progress runs on new commits to same PR (gitub.event.number)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
+jobs:
+  Tests:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [16]
+        os: [ubuntu-latest]
+    steps:
+      - run: git config --global core.autocrlf false
+      - uses: actions/checkout@v3
+      - uses: pnpm/[email protected]
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm test