chore: import Action script

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Node.js v${{ matrix.nodejs }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        nodejs: [10, 12]
+    steps:
+    - uses: actions/checkout@master
+      with:
+        fetch-depth: 1
+
+    - uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.nodejs }}
+
+    - name: (env) pnpm
+      run: curl -L https://raw.githubusercontent.com/pnpm/self-installer/master/install.js | node
+
+    - name: (lerna) restore
+      uses: actions/cache@master
+      with:
+        path: |
+          node_modules
+          */*/node_modules
+        key: ${{ runner.os }}-${{ hashFiles('**/package.json') }}
+
+    - name: Install
+      run: |
+        pnpm install
+        pnpm add -g nyc
+
+    - name: Build
+      run: pnpm run build
+
+    - name: Test w/ Coverage
+      run: nyc --include=packages pnpm test
+
+    - name: Report
+      if: matrix.nodejs >= 12
+      run: |
+        nyc report --reporter=text-lcov > coverage.lcov
+        bash <(curl -s https://codecov.io/bash)
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -1,5 +1,6 @@
 node_modules
 .DS_Store
+*-lock.*
 *.lock
 *.log
 dist