chore: add hydro analytics to storybook (#4558)

* chore: add hydro analytics to storybook

* chore: use previewHead over managerHead

* Update build-docs

---------

Co-authored-by: Josh Black <joshblack@users.noreply.github.com>

packages/react/.storybook/main.js

@@ -1,3 +1,7 @@
+'use strict'
+
+const {DEPLOY_ENV = 'development'} = process.env
+
 /**
  * @type {import('@storybook/core-common').StorybookConfig}
  */
@@ -53,4 +57,16 @@ module.exports = {
   typescript: {
     reactDocgen: 'react-docgen',
   },
+  previewHead: head => {
+    if (DEPLOY_ENV === 'development') {
+      return head
+    }
+    return `${head}\n<meta name="ha-url" content="https://collector.githubapp.com/primer/collect">`
+  },
+  previewBody: body => {
+    if (DEPLOY_ENV === 'development') {
+      return body
+    }
+    return `${body}\n<script src="https://analytics.githubassets.com/hydro-marketing.min.js"></script>`
+  },
 }

script/build-docs

@@ -2,9 +2,11 @@
 set -e
 
 if [ -n "$1" ]; then
+  export DEPLOY_ENV="preview"
   npm run build:preview -w docs
   npm run build:storybook preview
 else
+  export DEPLOY_ENV="production"
   npm run build -w docs
   npm run build:storybook
 fi