From 806a5e7b3008a92bc08b3469dc144f3b4b12fd01 Mon Sep 17 00:00:00 2001
From: Strider <strange.transistor@gmail.com>
Date: Mon, 9 Oct 2017 02:17:58 +0300
Subject: [PATCH 1/2] h: reduce duplication, by bringing VNodes and
 VNodesSparse types.

---
 src/h.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/h.ts b/src/h.ts
index 5e46b4b..469dd0b 100644
--- a/src/h.ts
+++ b/src/h.ts
@@ -1,13 +1,15 @@
 import {vnode, VNode, VNodeData} from './vnode';
+export type VNodes = Array<VNode>;
+export type VNodesSparse = Array<VNode | undefined | null>;
 import * as is from './is';
 
-function addNS(data: any, children: Array<VNode> | undefined, sel: string | undefined): void {
+function addNS(data: any, children: VNodes | undefined, sel: string | undefined): void {
   data.ns = 'http://www.w3.org/2000/svg';
   if (sel !== 'foreignObject' && children !== undefined) {
     for (let i = 0; i < children.length; ++i) {
       let childData = children[i].data;
       if (childData !== undefined) {
-        addNS(childData, (children[i] as VNode).children as Array<VNode>, children[i].sel);
+        addNS(childData, (children[i] as VNode).children as VNodes, children[i].sel);
       }
     }
   }
@@ -16,9 +18,9 @@ function addNS(data: any, children: Array<VNode> | undefined, sel: string | unde
 export function h(sel: string): VNode;
 export function h(sel: string, data: VNodeData): VNode;
 export function h(sel: string, text: string): VNode;
-export function h(sel: string, children: Array<VNode | undefined | null>): VNode;
+export function h(sel: string, children: VNodesSparse): VNode;
 export function h(sel: string, data: VNodeData, text: string): VNode;
-export function h(sel: string, data: VNodeData, children: Array<VNode | undefined | null>): VNode;
+export function h(sel: string, data: VNodeData, children: VNodesSparse): VNode;
 export function h(sel: any, b?: any, c?: any): VNode {
   var data: VNodeData = {}, children: any, text: any, i: number;
   if (c !== undefined) {

From 17a6d312bb5f6bfacf3dac8d0501eae830b16dcc Mon Sep 17 00:00:00 2001
From: Strider <strange.transistor@gmail.com>
Date: Mon, 9 Oct 2017 02:18:55 +0300
Subject: [PATCH 2/2] h: allow VNodesSparse to accept single VNode, because
 underlying mechanism actually allows it.

---
 src/h.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/h.ts b/src/h.ts
index 469dd0b..c334b29 100644
--- a/src/h.ts
+++ b/src/h.ts
@@ -1,6 +1,6 @@
 import {vnode, VNode, VNodeData} from './vnode';
 export type VNodes = Array<VNode>;
-export type VNodesSparse = Array<VNode | undefined | null>;
+export type VNodesSparse = VNode | Array<VNode | undefined | null>;
 import * as is from './is';
 
 function addNS(data: any, children: VNodes | undefined, sel: string | undefined): void {