Enabling only for vercel production deployments

Using NEXT_PUBLIC_VERCEL_ENV as described in:

https://vercel.com/docs/concepts/projects/environment-variables

.github/workflows/build.yml

@@ -10,3 +10,7 @@ jobs:
       - run: npm install
       - run: npm run build
       - run: npm test
+      - run: npm run test:vercel
+        if: ${{ github.event_name == 'push' }}
+        env:
+          VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}

index.tsx

@@ -124,7 +124,11 @@ export default function PlausibleProvider(props: {
     HTMLScriptElement
   >
 }) {
-  const { enabled = process.env.NODE_ENV === 'production' } = props
+  const {
+    enabled = process.env.NODE_ENV === 'production' &&
+      (!process.env.NEXT_PUBLIC_VERCEL_ENV ||
+        process.env.NEXT_PUBLIC_VERCEL_ENV === 'production'),
+  } = props
   const domain = getDomain(props)
   const proxyOptions: NextPlausiblePublicProxyOptions | undefined =
     getConfig()?.publicRuntimeConfig?.nextPlausiblePublicProxyOptions

package.json

@@ -23,6 +23,7 @@
   ],
   "scripts": {
     "test": "cd test && npm i && npm test",
+    "test:vercel": "cd test && npm i && npm run test:vercel",
     "start": "rollup -c -w",
     "build": "rollup -c",
     "prepublishOnly": "NODE_ENV=production npm run build",