Cache npm dependencies in actions

.github/workflows/cache-firebase-emulators.yml

@@ -0,0 +1,10 @@
+jobs:
+  cache_firebase_emulators:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Cache firebase emulators
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/firebase/emulators
+          key: ${{ runner.os }}-firebase-emulators-${{ hashFiles('~/.cache/firebase/emulators/**') }}

.github/workflows/client-deploy-on-merge.yml

@@ -12,7 +12,11 @@ jobs:
     env: 
       working-directory: ./client
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          cache: 'npm'
+          cache-dependency-path: ${{env.working-directory}}/package-lock.json
       - run: npm ci && npm run build
         working-directory: ${{env.working-directory}}
       - uses: FirebaseExtended/action-hosting-deploy@v0

.github/workflows/client.yml

@@ -13,7 +13,11 @@ jobs:
     env: 
       working-directory: ./client
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          cache: 'npm'
+          cache-dependency-path: ${{env.working-directory}}/package-lock.json
       - name: Install Dependencies
         run: npm ci
         working-directory: ${{env.working-directory}}
@@ -32,7 +36,7 @@ jobs:
     env:
       working-directory: ./client
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: 'Install Dependencies and build'
         run: npm ci && npm run build
         working-directory: ${{env.working-directory}}

.github/workflows/firestore.yml

@@ -13,13 +13,19 @@ jobs:
     env: 
       working-directory: ./firestore
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          cache: 'npm'
+          cache-dependency-path: ${{env.working-directory}}/package-lock.json
       - name: Install Dependencies
         run: npm ci
         working-directory: ${{env.working-directory}}
       - name: Run Lint
         run: npm run lint
         working-directory: ${{env.working-directory}}
+      - name: Cache Firebase Emulators
+        uses: ./.github/workflows/cache-firebase-emulators-workflow.yml@{{github.sha}}
       - name: Run Tests
         run: npm run test
         working-directory: ${{env.working-directory}}

.github/workflows/functions.yml

@@ -13,7 +13,11 @@ jobs:
     env: 
       working-directory: ./functions
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          cache: 'npm'
+          cache-dependency-path: ${{env.working-directory}}/package-lock.json
       - name: Install Dependencies
         run: npm ci
         working-directory: ${{env.working-directory}}
@@ -23,6 +27,8 @@ jobs:
       - name: Build
         run: npm run build
         working-directory: ${{env.working-directory}}
+      - name: Cache Firebase Emulators
+        uses: ./.github/workflows/cache-firebase-emulators-workflow.yml@{{github.sha}}
       - name: Run Tests
         run: npm run test
         working-directory: ${{env.working-directory}}

.github/workflows/todos.yml

@@ -11,7 +11,7 @@ jobs:
   find_todo:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Find ToDos
         run: |
          if git grep -nEwi "TODO|FIXME|XXX" -- ':!.github/workflows/todos.yml'; then