Turbolinks: clean up injected scripts and styles on page navigation (#…

…3283)

* client hydration scripts should be removed before navigation

* chore: adding a changeset

* also cleanup injected styles on page navigation

.changeset/tall-forks-cross.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/turbolinks': patch
+---
+
+Fixes an issue that prevented client components from rehydrating when navigating back to a page

packages/integrations/turbolinks/client.js

@@ -1,2 +1,18 @@
 import Turbolinks from 'turbolinks';
 export { Turbolinks };
+
+// Before every page navigation, remove any previously added component hydration scripts
+document.addEventListener('turbolinks:before-render', function () {
+	const scripts = document.querySelectorAll('script[data-astro-component-hydration]');
+	for (const script of scripts) {
+		script.remove();
+	}
+});
+
+// After every page navigation, move the bundled styles into the body
+document.addEventListener('turbolinks:render', function () {
+	const styles = document.querySelectorAll('link[href^="/assets/asset"][href$=".css"]');
+	for (const style of styles) {
+		document.body.append(style);
+	}
+});