feat: add GitHub Pages deployment workflow and related tasks

Author: ttelang

.github/pages.yml

@@ -0,0 +1,2 @@
+build:
+  artifact: "public"

.github/workflows/github-pages.yml

@@ -0,0 +1,52 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          
+      - name: Install dependencies
+        run: npm install
+        
+      - name: Build site
+        run: npx gulp build:preview
+      
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+        
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: './public'
+  
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

gulpfile.js

@@ -111,6 +111,19 @@ const previewTask = createTask({
   call: series(previewBuildTask, previewServeTask),
 })
 
+const githubPagesTask = createTask({
+  name: 'github-pages',
+  desc: 'Build the UI for GitHub Pages hosting',
+  call: series(
+    cleanTask,
+    previewBuildTask,
+    () => {
+      log('Site built for GitHub Pages in the public directory')
+      return Promise.resolve()
+    }
+  )
+})
+
 module.exports = exportTasks(
   bundleTask,
   cleanTask,
@@ -121,5 +134,6 @@ module.exports = exportTasks(
   bundlePackTask,
   previewTask,
   previewBuildTask,
-  packTask
+  packTask,
+  githubPagesTask
 )