Scope pull-request workflows to paths

.github/workflows/analyse.yml

@@ -0,0 +1,24 @@
+name: Pull request
+
+on: pull_request
+
+jobs:
+  analyse:
+    name: Sonar analysis
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Sonar analysis
+      uses: sonarsource/sonarcloud-github-action@master
+      with:
+        projectBaseDir: .
+      env:
+        GITHUB_TOKEN: ${{ secrets.TOKEN_GITHUB }}
+        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}

.github/workflows/lint.yml

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+name: Pull request
+
+on: pull_request
+
+jobs:
+  lint:
+    name: Code style checks
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Run linter
+      run: npm run lint

.github/workflows/test.yml

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+name: Pull request
+
+on: pull_request
+
+jobs:
+  tests:
+    name: Javascript unit tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Get changed files
+      id: changed-tests
+      uses: tj-actions/changed-files@v45
+      with:
+        files: |
+          packages/**/*.js
+          packages/**/*.scss
+          dist/app/components/**/*.html
+    - name: Install dependencies
+      if: steps.changed-tests.outputs.any_changed == 'true'
+      run: npm ci
+    - name: Run tests
+      if: steps.changed-tests.outputs.any_changed == 'true'
+      run: npm test
+
+  ui_tests:
+    name: Visual regression tests
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+    - name: Get changed files
+      id: changed-ui_tests
+      uses: tj-actions/changed-files@v45
+      with:
+        files: |
+          packages/**
+          tests/**
+          app/**
+    - name: Install dependencies
+      if: steps.changed-ui_tests.outputs.any_changed == 'true'
+      run: npm ci
+    - name: Run backstop
+      if: steps.changed-ui_tests.outputs.any_changed == 'true'
+      run: npm run backstop:ci