Meta: Publish the rendered spec for PRs

Author: gibson042

.github/workflows/build.yml

@@ -1,15 +1,27 @@
-name: Build spec
+name: Publish PR
 
-on: [pull_request, push]
+on: [pull_request]
 
 jobs:
-  build:
+  publish:
     runs-on: ubuntu-latest
-
+    if: ${{ github.event.pull_request }}
     steps:
     - uses: actions/checkout@v3
-    - uses: ljharb/actions/node/install@main
-      name: 'nvm install lts/* && npm install'
+    - name: '[node LTS] npm install'
+      uses: ljharb/actions/node/install@main
       with:
         node-version: lts/*
     - run: npm run build
+    - name: publish to gh-pages
+      uses: JamesIves/[email protected]
+      with:
+        branch: gh-pages
+        folder: build
+        target-folder: pr/${{ github.event.number }}
+    - name: provide comment
+      uses: phulsechinmay/[email protected]
+      with:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        message: |
+          The rendered spec for this PR is available at https://tc39.es/${{ github.event.pull_request.base.repo.name }}/pr/${{ github.event.number }}.

.github/workflows/deploy.yml

@@ -1,23 +1,23 @@
-name: Deploy gh-pages
+name: Publish
 
 on:
   push:
-    branches:
-      - main
+    branches: [main]
 
 jobs:
-  deploy:
+  publish:
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v3
-    - uses: ljharb/actions/node/install@main
-      name: 'nvm install lts/* && npm install'
+    - name: '[node LTS] npm install'
+      uses: ljharb/actions/node/install@main
       with:
         node-version: lts/*
     - run: npm run build
-    - uses: JamesIves/[email protected]
+    - name: publish to gh-pages
+      uses: JamesIves/[email protected]
       with:
         branch: gh-pages
         folder: build
-        clean: true
+        clean-exclude: |
+          pr