From aa653558d0b4eaf8023c44ad161799b376101898 Mon Sep 17 00:00:00 2001
From: Richard Harris <richard.a.harris@gmail.com>
Date: Sat, 13 Apr 2019 19:34:42 -0400
Subject: [PATCH] only create fallback content if no slot is provided - fixes
 #2354

---
 src/compile/render-dom/wrappers/Slot.ts            |  2 ++
 test/hydration/samples/text-fallback/Nested.svelte |  7 +++++++
 test/hydration/samples/text-fallback/_after.html   |  4 ++++
 test/hydration/samples/text-fallback/_before.html  |  4 ++++
 test/hydration/samples/text-fallback/main.svelte   | 11 +++++++++++
 5 files changed, 28 insertions(+)
 create mode 100644 test/hydration/samples/text-fallback/Nested.svelte
 create mode 100644 test/hydration/samples/text-fallback/_after.html
 create mode 100644 test/hydration/samples/text-fallback/_before.html
 create mode 100644 test/hydration/samples/text-fallback/main.svelte

diff --git a/src/compile/render-dom/wrappers/Slot.ts b/src/compile/render-dom/wrappers/Slot.ts
index 38896b4546..89a575910f 100644
--- a/src/compile/render-dom/wrappers/Slot.ts
+++ b/src/compile/render-dom/wrappers/Slot.ts
@@ -106,6 +106,7 @@ export default class SlotWrapper extends Wrapper {
 		let mount_before = block.builders.mount.toString();
 
 		block.builders.create.push_condition(`!${slot}`);
+		block.builders.claim.push_condition(`!${slot}`);
 		block.builders.hydrate.push_condition(`!${slot}`);
 		block.builders.mount.push_condition(`!${slot}`);
 		block.builders.update.push_condition(`!${slot}`);
@@ -118,6 +119,7 @@ export default class SlotWrapper extends Wrapper {
 		block.event_listeners = listeners;
 
 		block.builders.create.pop_condition();
+		block.builders.claim.pop_condition();
 		block.builders.hydrate.pop_condition();
 		block.builders.mount.pop_condition();
 		block.builders.update.pop_condition();
diff --git a/test/hydration/samples/text-fallback/Nested.svelte b/test/hydration/samples/text-fallback/Nested.svelte
new file mode 100644
index 0000000000..b5b69bdc97
--- /dev/null
+++ b/test/hydration/samples/text-fallback/Nested.svelte
@@ -0,0 +1,7 @@
+<div>
+	<slot name="foo">
+		foo fallback
+	</slot>
+
+	<slot></slot>
+</div>
\ No newline at end of file
diff --git a/test/hydration/samples/text-fallback/_after.html b/test/hydration/samples/text-fallback/_after.html
new file mode 100644
index 0000000000..2d75e43c99
--- /dev/null
+++ b/test/hydration/samples/text-fallback/_after.html
@@ -0,0 +1,4 @@
+<div>
+	<div slot="foo">foo override</div>
+	default
+</div>
\ No newline at end of file
diff --git a/test/hydration/samples/text-fallback/_before.html b/test/hydration/samples/text-fallback/_before.html
new file mode 100644
index 0000000000..2d75e43c99
--- /dev/null
+++ b/test/hydration/samples/text-fallback/_before.html
@@ -0,0 +1,4 @@
+<div>
+	<div slot="foo">foo override</div>
+	default
+</div>
\ No newline at end of file
diff --git a/test/hydration/samples/text-fallback/main.svelte b/test/hydration/samples/text-fallback/main.svelte
new file mode 100644
index 0000000000..effe43254e
--- /dev/null
+++ b/test/hydration/samples/text-fallback/main.svelte
@@ -0,0 +1,11 @@
+<script>
+	import Nested from './Nested.svelte'
+</script>
+
+<Nested>
+	<div slot="foo">
+		foo override
+	</div>
+
+	default
+</Nested>