Centralise dependency cache preparation

.github/actions/prepare-dependencies/action.yml

@@ -0,0 +1,36 @@
+name: Prepare dependencies
+description: Install and cache the complete dependency tree
+
+runs:
+  using: composite
+  steps:
+    - name: Check for complete dependency tree
+      id: dependencies
+      continue-on-error: true
+      uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+      with:
+        path: |
+          node_modules
+          .yarn/install-state.gz
+        key: >-
+          node-modules-v1-${{ runner.os }}-${{ runner.arch }}-${{
+          hashFiles('.nvmrc', 'package.json', 'yarn.lock', '.yarnrc.yml', '.yarn/releases/**', '.yarn/patches/**') }}
+        lookup-only: true
+
+    - name: Setup Node and install
+      if: steps.dependencies.outputs.cache-hit != 'true'
+      uses: ./.github/actions/setup
+      with:
+        cache: false
+
+    - name: Save complete dependency tree
+      if: steps.dependencies.outputs.cache-hit != 'true'
+      continue-on-error: true
+      uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+      with:
+        path: |
+          node_modules
+          .yarn/install-state.gz
+        key: >-
+          node-modules-v1-${{ runner.os }}-${{ runner.arch }}-${{
+          hashFiles('.nvmrc', 'package.json', 'yarn.lock', '.yarnrc.yml', '.yarn/releases/**', '.yarn/patches/**') }}

.github/workflows/ci.yaml

@@ -30,34 +30,8 @@ jobs:
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
-      - name: Check for complete dependency tree
-        id: dependencies
-        continue-on-error: true
-        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: |
-            node_modules
-            .yarn/install-state.gz
-          key: >-
-            node-modules-v1-${{ runner.os }}-${{ runner.arch }}-${{
-            hashFiles('.nvmrc', 'package.json', 'yarn.lock', '.yarnrc.yml', '.yarn/releases/**', '.yarn/patches/**') }}
-          lookup-only: true
-      - name: Setup Node and install
-        if: steps.dependencies.outputs.cache-hit != 'true'
-        uses: ./.github/actions/setup
-        with:
-          cache: false
-      - name: Save complete dependency tree
-        if: steps.dependencies.outputs.cache-hit != 'true'
-        continue-on-error: true
-        uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
-        with:
-          path: |
-            node_modules
-            .yarn/install-state.gz
-          key: >-
-            node-modules-v1-${{ runner.os }}-${{ runner.arch }}-${{
-            hashFiles('.nvmrc', 'package.json', 'yarn.lock', '.yarnrc.yml', '.yarn/releases/**', '.yarn/patches/**') }}
+      - name: Prepare dependencies
+        uses: ./.github/actions/prepare-dependencies
 
   lint:
     name: Lint and check format

.github/workflows/e2e.yaml

@@ -22,9 +22,8 @@ permissions:
   contents: read
 
 jobs:
-  # ── Build the demo once and share it across test jobs via artifact ──────────
-  build-demo:
-    name: Build demo
+  prepare-dependencies:
+    name: Prepare dependencies
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
@@ -32,8 +31,42 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Prepare dependencies
+        uses: ./.github/actions/prepare-dependencies
+
+  prepare-container-dependencies:
+    name: Prepare container dependencies
+    runs-on: ubuntu-latest
+    container:
+      image: mcr.microsoft.com/playwright:v1.61.1-noble
+      options: --user 1001
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+
+      - name: Prepare dependencies
+        uses: ./.github/actions/prepare-dependencies
+
+  # ── Build the demo once and share it across test jobs via artifact ──────────
+  build-demo:
+    name: Build demo
+    needs: prepare-dependencies
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out files from GitHub
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        with:
+          persist-credentials: false
+
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Build demo
         uses: ./.github/actions/build
@@ -53,6 +86,7 @@ jobs:
   # ── Build the e2e test app and share it via artifact ────────────────────────
   build-e2e-test-app:
     name: Build e2e test app
+    needs: prepare-dependencies
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
@@ -60,8 +94,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Build e2e test app
         uses: ./.github/actions/build
@@ -81,6 +117,7 @@ jobs:
   # ── Build the gallery and share it via artifact ─────────────────────────────
   build-gallery:
     name: Build gallery
+    needs: prepare-dependencies
     runs-on: ubuntu-latest
     steps:
       - name: Check out files from GitHub
@@ -88,8 +125,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Build gallery
         uses: ./.github/actions/build
@@ -110,6 +149,7 @@ jobs:
     name: E2E demo (${{ matrix.shardIndex }}/${{ matrix.shardTotal }})
     needs:
       - build-demo
+      - prepare-container-dependencies
     runs-on: ubuntu-latest
     container:
       image: mcr.microsoft.com/playwright:v1.61.1-noble
@@ -132,8 +172,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Download demo build
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
@@ -158,6 +200,7 @@ jobs:
     name: E2E app (${{ matrix.shardIndex }}/${{ matrix.shardTotal }})
     needs:
       - build-e2e-test-app
+      - prepare-container-dependencies
     runs-on: ubuntu-latest
     container:
       image: mcr.microsoft.com/playwright:v1.61.1-noble
@@ -182,8 +225,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Download e2e test app build
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
@@ -208,6 +253,7 @@ jobs:
     name: E2E gallery (${{ matrix.shardIndex }}/${{ matrix.shardTotal }})
     needs:
       - build-gallery
+      - prepare-container-dependencies
     runs-on: ubuntu-latest
     container:
       image: mcr.microsoft.com/playwright:v1.61.1-noble
@@ -232,8 +278,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Download gallery build
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
@@ -271,8 +319,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Node and install
+      - name: Setup Node with shared dependencies
         uses: ./.github/actions/setup
+        with:
+          node-modules-cache: true
 
       - name: Download demo blob reports
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1