From 04efd83668ac2212428b707406dbcb6566ec6326 Mon Sep 17 00:00:00 2001
From: Martin Trapp <94928215+martrapp@users.noreply.github.com>
Date: Fri, 16 Aug 2024 07:27:01 +0200
Subject: [PATCH] guard against non supported view transition API

---
 .changeset/eleven-camels-fail.md           |  5 +++++
 devToolbar/app.ts                          | 14 +++++++++-----
 integration/astro-inspection-chamber.js.ts | 14 +++++++-------
 3 files changed, 21 insertions(+), 12 deletions(-)
 create mode 100644 .changeset/eleven-camels-fail.md

diff --git a/.changeset/eleven-camels-fail.md b/.changeset/eleven-camels-fail.md
new file mode 100644
index 0000000..510712f
--- /dev/null
+++ b/.changeset/eleven-camels-fail.md
@@ -0,0 +1,5 @@
+---
+'astro-vtbot': patch
+---
+
+Put the chamber out of order for browsers without native support for the view transition API
diff --git a/devToolbar/app.ts b/devToolbar/app.ts
index c3ca288..509959e 100644
--- a/devToolbar/app.ts
+++ b/devToolbar/app.ts
@@ -29,7 +29,7 @@ export default defineToolbarApp({
 	<h2>!!! New !!! The Inspection Chamber</h2>
 	<img style="float:right; border-radius: 50%; border: 8px dashed #8888;
 		mask-image: radial-gradient(ellipse at center, white 35%, transparent 71%);"
-	src=${imgSrc.src} alt="reopen the inspection chamber" />
+	src=${imgSrc.src} alt="Reopen the Inspection Chamber" />
 	<p>Examine every detail of your view transitions! Put them through their paces! Step through  frames and discover how the elements morph.</p><hr>
 	<p><span id="inspection-chamber-status">The Bag is cool</span><astro-dev-toolbar-button id="inspection-chamber-button">I love the Bag of Tricks!</astro-dev-toolbar-button></p>
 	<style>
@@ -72,9 +72,13 @@ export default defineToolbarApp({
 					.shadowRoot!.querySelector('astro-dev-toolbar-app-canvas[data-app-id="vtbot"]')!
 					.shadowRoot!;
 				const status = me.querySelector<HTMLSpanElement>('#inspection-chamber-status')!;
-				const button = me.querySelector('#inspection-chamber-button')!;
+				const button = me.querySelector<HTMLButtonElement>('#inspection-chamber-button')!;
 
-				if (top!.document.querySelector(VTBAG_REOPEN)) {
+				if (!document.startViewTransition) {
+					status.textContent = 'Your browser does not support view transitions. You notice a little sign near the power button of The Chamber:';
+					button.textContent = 'Out of Order';
+					button.disabled = true;
+				} else if (top!.document.querySelector(VTBAG_REOPEN)) {
 					status.textContent = 'The Chamber is currently in standby mode.';
 					button.textContent = 'Reactivate the Inspection Chamber';
 					button.addEventListener('click', () => {
@@ -91,7 +95,7 @@ export default defineToolbarApp({
 					});
 				} else if (top!.sessionStorage.getItem(DTB_TOKEN) === 'true') {
 					status.textContent = 'Chamber was activated via Dev Toolbar.';
-					button.textContent = 'Remove the Inspection Chamber';
+					button.textContent = 'Turn off the Inspection Chamber';
 
 					button.addEventListener('click', () => {
 						top!.sessionStorage.removeItem(DTB_TOKEN);
@@ -99,7 +103,7 @@ export default defineToolbarApp({
 					});
 				} else {
 					status.textContent = 'There is an Inspection Chamber here.';
-					button.textContent = 'Use the Inspection Chamber';
+					button.textContent = 'Go ahead and power up the Inspection Chamber';
 					button.addEventListener('click', () => {
 						top!.sessionStorage.removeItem('vtbag-ui-closed');
 						top!.sessionStorage.setItem(DTB_TOKEN, 'true');
diff --git a/integration/astro-inspection-chamber.js.ts b/integration/astro-inspection-chamber.js.ts
index f632b99..ed2c3fc 100644
--- a/integration/astro-inspection-chamber.js.ts
+++ b/integration/astro-inspection-chamber.js.ts
@@ -4,12 +4,12 @@ const inspectionChamber = readFileSync('node_modules/@vtbag/inspection-chamber/l
 
 export async function GET({ params, request }) {
 	return new Response(
-		`if (sessionStorage.getItem('vtbot-inspection-chamber') === 'true') {${inspectionChamber}};`, {
-      status: 200,
-      headers: {
-        "Content-Type": "text/javascript"
-      }
-    }
-
+		`if (!!document.startViewTransition && sessionStorage.getItem('vtbot-inspection-chamber') === 'true') {${inspectionChamber}};`,
+		{
+			status: 200,
+			headers: {
+				'Content-Type': 'text/javascript',
+			},
+		}
 	);
 }