From 620077227f7d42310cbaee028c30e7f2e5e7404f Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Wed, 22 Aug 2018 23:01:57 -0400
Subject: [PATCH 1/2] allow non-existent dynamic components to be destroyed
 (#1660)

---
 src/compile/nodes/Component.ts                      |  2 +-
 .../dynamic-component-destroy-null/_config.js       | 13 +++++++++++++
 .../dynamic-component-destroy-null/main.html        |  3 +++
 3 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 test/runtime/samples/dynamic-component-destroy-null/_config.js
 create mode 100644 test/runtime/samples/dynamic-component-destroy-null/main.html

diff --git a/src/compile/nodes/Component.ts b/src/compile/nodes/Component.ts
index fb244e5fba..526af029c8 100644
--- a/src/compile/nodes/Component.ts
+++ b/src/compile/nodes/Component.ts
@@ -505,7 +505,7 @@ export default class Component extends Node {
 
 		if (this.compiler.options.nestedTransitions) {
 			block.builders.outro.addLine(
-				`${name}._fragment.o(#outrocallback);`
+				`if (${name}) ${name}._fragment.o(#outrocallback);`
 			);
 		}
 	}
diff --git a/test/runtime/samples/dynamic-component-destroy-null/_config.js b/test/runtime/samples/dynamic-component-destroy-null/_config.js
new file mode 100644
index 0000000000..b85e35e259
--- /dev/null
+++ b/test/runtime/samples/dynamic-component-destroy-null/_config.js
@@ -0,0 +1,13 @@
+export default {
+	data: {
+		x: true
+	},
+
+	nestedTransitions: true,
+
+	test(assert, component) {
+		component.set({
+			x: false
+		});
+	}
+};
\ No newline at end of file
diff --git a/test/runtime/samples/dynamic-component-destroy-null/main.html b/test/runtime/samples/dynamic-component-destroy-null/main.html
new file mode 100644
index 0000000000..401b86d1f6
--- /dev/null
+++ b/test/runtime/samples/dynamic-component-destroy-null/main.html
@@ -0,0 +1,3 @@
+{#if x}
+	<svelte:component this={null}/>
+{/if}
\ No newline at end of file

From 3785a6d2ad10b9a216d935f45f653390b045c105 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Wed, 22 Aug 2018 23:02:22 -0400
Subject: [PATCH 2/2] update unrelated test

---
 test/cli/samples/amd/expected/Main.js | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/test/cli/samples/amd/expected/Main.js b/test/cli/samples/amd/expected/Main.js
index 5a902064b6..35f4b57186 100644
--- a/test/cli/samples/amd/expected/Main.js
+++ b/test/cli/samples/amd/expected/Main.js
@@ -65,11 +65,18 @@ define("test", function() { "use strict";
 
 	function init(component, options) {
 		component._handlers = blankObject();
+		component._slots = blankObject();
 		component._bind = options._bind;
 
 		component.options = options;
 		component.root = options.root || component;
 		component.store = options.store || component.root.store;
+
+		if (!options.root) {
+			component._beforecreate = [];
+			component._oncreate = [];
+			component._aftercreate = [];
+		}
 	}
 
 	function assign(tar, src) {
@@ -125,11 +132,7 @@ define("test", function() { "use strict";
 	function set(newState) {
 		this._set(assign({}, newState));
 		if (this.root._lock) return;
-		this.root._lock = true;
-		callAll(this.root._beforecreate);
-		callAll(this.root._oncreate);
-		callAll(this.root._aftercreate);
-		this.root._lock = false;
+		flush(this.root);
 	}
 
 	function _set(newState) {
@@ -165,8 +168,16 @@ define("test", function() { "use strict";
 		return Object.create(null);
 	}
 
+	function flush(component) {
+		component._lock = true;
+		callAll(component._beforecreate);
+		callAll(component._oncreate);
+		callAll(component._aftercreate);
+		component._lock = false;
+	}
+
 	function callAll(fns) {
 		while (fns && fns.length) fns.shift()();
 	}
 	return Main;
-});
+});
\ No newline at end of file