Merge pull request #13 from esg-epfl-apc/preview-action

preview action

.github/workflows/preview-pr.yml

@@ -0,0 +1,48 @@
+name: Deploy PR previews
+concurrency: preview-${{ github.ref }}
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - closed
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+      - run: npm i && npm run build-preview
+        if: github.event.action != 'closed'
+      - id: deploy_preview
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: preview
+          preview-branch: gh-pages
+          umbrella-dir: pr-preview
+          action: auto
+          custom-url: 
+      - name: Add link to index
+        if: github.event.action != 'closed'
+        run: |
+          git checkout gh-pages
+          git pull
+          if ! grep ${{ steps.deploy_preview.outputs.deployment-url }} index.html; then
+            sed -i '\|<div id="previews">|a <a href="${{ steps.deploy_preview.outputs.deployment-url }}">Preview PR#${{ github.event.pull_request.number }}</a><br>' index.html
+            git add index.html
+            git commit -m 'Added preview link'
+            git push
+          fi
+      - name: Remove link from index
+        if: github.event.action == 'closed'
+        run: |
+          git checkout gh-pages
+          git pull
+          if grep ${{ steps.deploy_preview.outputs.deployment-url }} index.html; then
+            sed -i '\|${{ steps.deploy_preview.outputs.deployment-url }}|d' index.html
+            git add index.html
+            git commit -m 'Added preview link'
+            git push
+          fi

.gitignore

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+.vscode/**

package.json

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+{
+    "name": "astrojsvis",
+    "description": "",
+    "version": "0.0.1",
+    "config": {
+        "prototype": "test"
+    },
+    "scripts": {
+      "build-preview": "mkdir -p preview; cp -r prototypes/${npm_package_config_prototype}/* preview/."
+    }
+}

prototypes/test/index.html

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+Hello World!