Adding super simple lint Action

.github/workflows/pr-checks.yml

@@ -3,11 +3,19 @@ name: "PR checks"
 on: [push, pull_request]
 
 jobs:
+  lint-js:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run Lint
+      run: npm run-script lint
+
   check-js:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Check generated JavaScript
       run: |
         # Sanity check that repo is clean to start with
@@ -33,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Check node modules up to date
       run: |
         # Sanity check that repo is clean to start with
@@ -42,7 +50,6 @@ jobs:
           >&2 echo "Failed: Repo should be clean before testing!"
           exit 1
         fi
-
         # Reinstall modules and then clean to remove absolute paths
         # Use 'npm ci' instead of 'npm install' as this is intended to be reproducible
         npm ci
@@ -55,7 +62,7 @@ jobs:
           exit 1
         fi
         echo "Success: node_modules are up to date"
-
+        
   npm-test:
     strategy:
       matrix:
@@ -63,6 +70,6 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: npm run-script test
       run: npm run-script test