trigger lighthouse audits on Netlify deploy previews

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  lighthouse:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12.x
+    - name: Install utilities
+      run: npm install -g netlify-cli @lhci/cli
+    - name: Wait for Netlify
+      run: netlify watch
+      env:
+        NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+        NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+    - name: Audit deploy preview
+      if: github.event_name == 'pull_request'
+      continue-on-error: true
+      run: |
+        lhci autorun --config=./lighthouserc.json \
+          --collect.url=https://deploy-preview-${{ github.event.number }}--jakejarvis.netlify.com/ \
+          --collect.url=https://deploy-preview-${{ github.event.number }}--jakejarvis.netlify.com/notes/ \
+          --collect.url=https://deploy-preview-${{ github.event.number }}--jakejarvis.netlify.com/notes/how-to-pull-request-fork-github/ \
+          --collect.url=https://deploy-preview-${{ github.event.number }}--jakejarvis.netlify.com/notes/how-to-pull-request-fork-github/amp.html
+      env:
+        LHCI_GITHUB_APP_TOKEN: ${{ secrets.LHCI_GITHUB_APP_TOKEN }}
+    - name: Audit jarv.is
+      if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+      continue-on-error: true
+      run: |
+        lhci autorun --config=./lighthouserc.json \
+          --collect.url=https://jarv.is/ \
+          --collect.url=https://jarv.is/notes/ \
+          --collect.url=https://jarv.is/notes/how-to-pull-request-fork-github/ \
+          --collect.url=https://jarv.is/notes/how-to-pull-request-fork-github/amp.html
+      env:
+        LHCI_GITHUB_APP_TOKEN: ${{ secrets.LHCI_GITHUB_APP_TOKEN }}

.github/workflows/lighthouse.yml

@@ -1,37 +0,0 @@
-name: Lighthouse
-
-on: [push, pull_request]
-
-jobs:
-  lhci:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v1
-      with:
-        node-version: 12.x
-    # https://github.com/actions/cache/blob/master/examples.md#node---yarn
-    # https://github.com/actions/cache/issues/60
-    - name: Get yarn cache location
-      id: yarn-cache
-      run: echo "::set-output name=dir::$(yarn cache dir)"
-    - name: Cache dependencies
-      uses: actions/cache@v1
-      with:
-        path: ${{ steps.yarn-cache.outputs.dir }}
-        key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-yarn-
-    - name: Install dependencies
-      run: |
-        yarn install --no-ignore-optional --frozen-lockfile
-    # - uses: jakepartusch/wait-for-netlify-action@v1
-    #   id: wait
-    #   with:
-    #     site_name: "jakejarvis"
-    - name: Run Lighthouse CI
-      run: |
-        npm install -g @lhci/cli@0.3.x
-        lhci autorun --config=./lighthouserc.json
-      env:
-        LHCI_GITHUB_APP_TOKEN: ${{ secrets.LHCI_GITHUB_APP_TOKEN }}

lighthouserc.json

@@ -1,20 +1,13 @@
 {
   "ci": {
     "collect": {
-      "url": [
-        "http://localhost:1337/",
-        "http://localhost:1337/notes/",
-        "http://localhost:1337/notes/how-to-pull-request-fork-github/",
-        "http://localhost:1337/notes/how-to-pull-request-fork-github/amp.html"
-      ],
-      "numberOfRuns": 1,
-      "startServerCommand": "yarn start --disableLiveReload",
-      "startServerReadyPattern": "Web Server is available at"
+      "numberOfRuns": 1
     },
     "assert": {
       "preset": "lighthouse:no-pwa",
       "assertions": {
         "color-contrast": ["warn", {"minScore": 0.9}],
+        "errors-in-console": "warn",
         "link-text": "warn",
         "tap-targets": ["warn", {"minScore": 0.6}],
         "total-byte-weight": ["warn", {"minScore": 0.9}],