From 1c78541ad5cc31347abc9cb6a813dc9199d61a69 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sun, 15 Apr 2018 14:01:03 -0400
Subject: [PATCH] prevent double-firing of update on init

---
 src/generators/dom/index.ts | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/generators/dom/index.ts b/src/generators/dom/index.ts
index 4de05981af..e83fd5701a 100644
--- a/src/generators/dom/index.ts
+++ b/src/generators/dom/index.ts
@@ -224,11 +224,10 @@ export default function dom(
 		${hasInitHooks && deindent`
 			var self = this;
 			var _oncreate = function() {
-				var initial = { changed: { ${expectedProperties.map(p => `${p}: 1`).join(', ')} }, current: self._state, previous: undefined };
-				${templateProperties.onstate && `%onstate.call(self, initial);`}
+				var changed = { ${expectedProperties.map(p => `${p}: 1`).join(', ')} };
+				${templateProperties.onstate && `%onstate.call(self, { changed: changed, current: self._state });`}
 				${templateProperties.oncreate && `%oncreate.call(self);`}
-				${templateProperties.onupdate && `%onupdate.call(self, initial);`}
-				self.fire("update", initial);
+				self.fire("update", { changed: changed, current: self._state });
 			};
 		`}