Performance analysis workflow

.github/workflows/perf_analysis.yml

@@ -0,0 +1,50 @@
+name: Performance analysis
+
+on:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 */2 * * *" # every 2 hours
+
+jobs:
+  perf-analysis:
+    name: Performance analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # Get the yarn cache path.
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "{dir}={$(yarn config get cacheFolder)}" >> $GITHUB_OUTPUT
+      - name: Restore yarn cache
+        uses: actions/cache@v3
+        id: yarn-cache
+        with:
+          path: |
+            ${{ steps.yarn-cache-dir-path.outputs.dir }}
+            **/node_modules
+          key: yarn-cache-folder-${{ hashFiles('**/yarn.lock', '.yarnrc.yml') }}
+          restore-keys: "yarn-cache-folder-"
+      # Actually install packages with Yarn
+      - name: Install packages
+        run: yarn install
+        env:
+          YARN_CHECKSUM_BEHAVIOR: "update"
+      - name: Install Replay Chromium
+        run: npx replayio@latest install
+      - name: Wait for Vercel preview deployment to be ready
+        uses: patrickedqvist/wait-for-vercel-preview@v1.3.1
+        if: github.event_name == 'pull_request'
+        id: wait-for-vercel-preview
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          max_timeout: 240
+      - name: Run performance analysis
+        run: yarn run perf-analysis
+        env:
+          REPLAY_API_KEY: ${{ secrets.PERFORMANCE_ANALYSIS_REPLAY_API_KEY }}
+          DEVTOOLS_URL: ${{ steps.wait-for-vercel-preview.outputs.url }}
+          GITHUB_REPOSITORY: ${{ env.GITHUB_REPOSITORY }}
+          GITHUB_REF_NAME: ${{ env.GITHUB_REF_NAME }}
+          GITHUB_PR: ${{ github.event.pull_request && github.event.pull_request.number }}
+          GITHUB_SHA: ${{ env.GITHUB_SHA }}

packages/e2e-tests/scripts/record-node.ts

@@ -15,13 +15,13 @@ function getRecordingId(file: string) {
       }
       return contents;
     }
-    return null;
+    return;
   } catch (e) {
-    return null;
+    return;
   }
 }
 
-export async function recordNodeExample(scriptPath: string): Promise<string> {
+export async function recordNodeExample(scriptPath: string): Promise<string | undefined> {
   const nodePath = config.nodePath || execSync("which replay-node").toString().trim();
   if (!nodePath) {
     console.warn("\x1b[1m\x1b[31m" + "Node e2e tests require @replayio/node" + "\x1b[0m");