chore(docs): gatsby-head example using pageContext and setHtmlAttributes

Signed-off-by: Marc Nuri <[email protected]>
gatsbyjs · Aug 10, 2022 · fc9a344 · fc9a344
1 parent 6ecfe4a
commit fc9a344
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/docs/docs/reference/built-in-components/gatsby-head.md b/docs/docs/reference/built-in-components/gatsby-head.md
@@ -124,6 +124,17 @@ exports.onRenderBody = ({ setHtmlAttributes }) => {
 }
 ```
 
+Or even using data provided dynamically through the page context:
+
+```js:title=gatsby-ssr.js
+exports.onRenderBody = ({ setHtmlAttributes }) => {
+  const {
+    result: { pageContext: { langKey } },
+  } = loadPageDataSync(pathname);
+  setHtmlAttributes({ lang: langKey });
+}
+```
+
 ## Additional Resources
 
 - [Adding an SEO component](/docs/how-to/adding-common-features/adding-seo-component)