npm install

.github/workflows/main.yml

@@ -6,9 +6,9 @@ name: CI
 on:
   # Triggers the workflow on push or pull request events but only for the dev branch
   push:
-    branches: [ dev ]
+    branches: [dev]
   pull_request:
-    branches: [ dev ]
+    branches: [dev]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
@@ -25,6 +25,9 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v2
 
+      - name: Install Dependencies
+        run: npm ci
+
       - name: Build
         run: npm run build