ci(jest): test on all combinations

Author: wopian

.github/workflows/jest.yml

@@ -2,13 +2,29 @@ name: Unit Tests
 on: [ push, pull_request ]
 jobs:
   jest:
-    name: Jest Coverage
-    runs-on: ubuntu-latest
+    name: Node ${{ matrix.node_version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node_version: [10, 12, 14]
+        os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-    - uses: actions/checkout@v1
-    - run: yarn
-    - run: yarn bootstrap
-    - uses: mattallty/jest-github-action@v1
+    - uses: actions/checkout@v2
+    - name: Use node ${{ matrix.node_version }}
+      uses: actions/setup-node@v1
+      with:
+        node_version: ${{ matrix.node_version }}
+    - name: Restore lerna cache
+      uses: actions/cache@v2
+      with:
+        path: |
+          node_modules
+          */*/node_modules
+        key: ${{ runner.os }}-${{ hashFiles('**/yarn.lock') }}
+    - name: Install yarn dependencies
+      run: yarn install
+    - name: Jest coverage
+      uses: mattallty/jest-github-action@v1
       continue-on-error: true
       with:
         changes-only: true