fix(gatsby): handle session storage not being available (#34525) (#34539

) Co-authored-by: Dan Kirkham <herecy@live.co.uk>
gatsbyjs · Jan 19, 2022 · e69270b · e69270b
1 parent c493ee7
commit e69270b
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/packages/gatsby/cache-dir/production-app.js b/packages/gatsby/cache-dir/production-app.js
@@ -162,7 +162,18 @@ apiRunnerAsync(`onClientEntry`).then(() => {
     )
   }
 
+  // It's possible that sessionStorage can throw an exception if access is not granted, see https://github.com/gatsbyjs/gatsby/issues/34512
+  const getSessionStorage = () => {
+    try {
+      return sessionStorage
+    } catch {
+      return null
+    }
+  }
+
   publicLoader.loadPage(browserLoc.pathname + browserLoc.search).then(page => {
+    const sessionStorage = getSessionStorage()
+
     if (
       page?.page?.webpackCompilationHash &&
       page.page.webpackCompilationHash !== window.___webpackCompilationHash