fix tests on nodejs 12

Author: t2t2

.github/workflows/build.yml

@@ -11,13 +11,40 @@ on:
 
 jobs:
   build:
-    name: Node ${{ matrix.node-version }}
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm build
+
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm lint
+
+  test:
+    name: Test node ${{ matrix.node-version }}
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+        node-version: [12.x, 14.x, 16.x, 17.x]
+        include:
+          - node-version: 12.x
+            ts-node-compiler-options: '{"target":"es2019"}'
 
     steps:
       - uses: actions/checkout@v2
@@ -27,7 +54,8 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'
       - run: npm ci
-      - run: npm run build
       - run: npm test
+        env:
+          TS_NODE_COMPILER_OPTIONS: ${{ matrix.ts-node-compiler-options }}
       # Currently broken
       #- run: npm run node-coveralls