Restore the promo top banner on docs and preview (#3136)

.changeset/restore-promo-top-banner.md

@@ -0,0 +1,6 @@
+---
+"@tabler/docs": patch
+"@tabler/preview": patch
+---
+
+Fixed the missing promo top banner on docs.tabler.io and preview.tabler.io by restoring the `banner.js` script.

docs/layouts/DocsLayout.astro

@@ -86,6 +86,8 @@ const pagePlugins = [...basePlugins, ...cssPlugins.filter((plugin) => !basePlugi
 const environment = process.env.NODE_ENV || 'production';
 // Vercel preview/branch deployments must not be indexed (VERCEL_ENV is unset locally).
 const isVercelPreview = !!process.env.VERCEL_ENV && process.env.VERCEL_ENV !== 'production';
+// The promo top banner loads on Vercel deploys (production and branch previews), never in local builds.
+const isVercelDeploy = !!process.env.VERCEL_ENV;
 
 // Strip /docs prefix (and optional .html) for the docs namespace URL.
 // Canonical form has no trailing slash (matching vercel.json trailingSlash: false);
@@ -510,5 +512,7 @@ const relatedPages = await Promise.all(
 		<!-- END GLOBAL MANDATORY SCRIPTS -->
 
 		<PageScripts />
+
+		{isVercelDeploy && <script is:inline src="https://scripts.tabler.io/banner.js" defer data-tblr-ref="tabler-docs" />}
 	</body>
 </html>

shared/layouts/BaseLayout.astro

@@ -32,6 +32,9 @@ const themeAttributes = themeDataAttributes(themeSettings)
 const environment = process.env.NODE_ENV || 'production'
 const isDevelopment = environment === 'development'
 const min = isDevelopment ? '' : '.min'
+// The promo top banner loads on Vercel deploys (production and branch previews),
+// never in local builds or the packaged demo (VERCEL_ENV is unset there).
+const isVercelDeploy = !!process.env.VERCEL_ENV
 // RTL swaps tabler/plugin stylesheets for their .rtl.css variants (demo stays LTR)
 const rtlSuffix = rtl ? '.rtl' : ''
 
@@ -268,5 +271,7 @@ const libJsFiles = (head: boolean) => pageLibEntries.filter(([, lib]) => Boolean
       })
     </script>
     <!-- END PAGE SCRIPTS -->
+
+    {isVercelDeploy && <script is:inline src="https://scripts.tabler.io/banner.js" defer data-tblr-ref="tabler-preview-top-banner" />}
   </body>
 </html>