From ac45747a1ccf287051f9b4a6b5dbba229f8d2dff Mon Sep 17 00:00:00 2001
From: Arturo Castillo Delgado <arturo@arturu.com>
Date: Fri, 10 Nov 2017 12:58:39 +0100
Subject: [PATCH] Handle numbers in `styles` (#46)

* add failing test for passing numbers in styles
* handle numbers correctly in styles
---
 src/patch.js      |  2 +-
 test/vdom.test.js | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/patch.js b/src/patch.js
index eaa8138..d81b9af 100644
--- a/src/patch.js
+++ b/src/patch.js
@@ -55,7 +55,7 @@ function setElementProp(element, name, value, oldValue) {
   if (name === "key") {
   } else if (name === "style") {
     for (var name in merge(oldValue, (value = value || {}))) {
-      element.style[name] = value[name] || ""
+      element.style[name] = value[name] != null ? value[name] : ""
     }
   } else {
     try {
diff --git a/test/vdom.test.js b/test/vdom.test.js
index 206e769..99494c6 100644
--- a/test/vdom.test.js
+++ b/test/vdom.test.js
@@ -590,10 +590,18 @@ testTrees("styles", [
     node: h("div", { style: { color: "blue", float: "left" } }),
     html: `<div style="color: blue; float: left;"></div>`
   },
+  {
+    node: h("div", { style: { opacity: 1 } }),
+    html: `<div style="opacity: 1;"></div>`
+  },
+  {
+    node: h("div", { style: { opacity: 0 } }),
+    html: `<div style="opacity: 0;"></div>`
+  },
   {
     node: h("div"),
     html: `<div style=""></div>`
-  }
+  },
 ])
 
 testTrees("update element data", [