Squashed 'thirdparty/preact/' changes from b2d90cc..ba094e2

ba094e2 Run only local tests for pull requests (#390)
e9fc3c2 Fix CI build (#386)
70a5ca3 This adds a link to preact-i18nline. (#382)
5dffd85 Merge branch 'pr-fix-build-for-windows' of https://github.com/Download/preact
f14edf7 kilobits => kilobytes (#383)
c193547 Test for #292
284e4aa 6.4.0
24eab2f Prevent accidental duplicate recycling of elements when swapping the base element of a component. Fixes #373.
76c5ef7 fix lint error
8008886 When swapping the base of a composed child component, update its parent's base reference. Fixes #349.
fd4f21f Add an equality check prior to setting `.nodeValue` on text nodes, since Firefox (and maybe others) don't do this internally by default.  Fixes #368 - thanks @zbinlin!
1555e2b Add CDNJS version badge in readme (#365)
79c8bae Disable React Developer Tools integration tests under IE (#362)
84f4eeb Refactor `linkState()` a bit to drop around 40 bytes. Coincidentally, that's the exact size of the hooks just added for DevTools... 👌
22bbfcb Little tweaks 👯
f8b326e Document how to use the React DevTools with Preact (#354)
1f4a8eb Correct "preact/devtools" type definitions (#355)
68f22eb Add React Developer Tools integration (#339)
2a7a027 Add ref and allow objects in className (#316)
4a59cca fix readme todomvc link (#345)
37ca4e0 Fixes build for Windows #343
cf93387 6.3.0
ff05818 Make `VNode.children` *always* be an Array, even when there are no children.
9b095f4 Added link to preact-layout (#342)

git-subtree-dir: thirdparty/preact
git-subtree-split: ba094e27b602cb16aded7dcad95f71e44b7b0476

1 files changed, 4 insertions, 5 deletions

diff --git a/src/h.js b/src/h.js
index e57ce4bde..c137bec84 100644
--- a/src/h.js
+++ b/src/h.js
@@ -2,8 +2,7 @@ import { VNode } from './vnode';
 import options from './options';
 
 
-let stack = [];
-
+const stack = [];
 
 
 /** JSX/hyperscript reviver
@@ -16,7 +15,8 @@ let stack = [];
  *  render(<span>foo</span>, document.body);
  */
 export function h(nodeName, attributes) {
-	let children, lastSimple, child, simple, i;
+	let children = [],
+		lastSimple, child, simple, i;
 	for (i=arguments.length; i-- > 2; ) {
 		stack.push(arguments[i]);
 	}
@@ -35,8 +35,7 @@ export function h(nodeName, attributes) {
 				children[children.length-1] += child;
 			}
 			else {
-				if (children) children.push(child);
-				else children = [child];
+				children.push(child);
 				lastSimple = simple;
 			}
 		}