supports null/undefined children

snabbdom · Mar 5, 2017 · 21ab115 · 21ab115
1 parent c5df8e2
commit 21ab115
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diff --git a/init.js b/init.js
@@ -25,6 +25,10 @@ module.exports = function init (modules) {
   }
 
   return function renderToString (vnode) {
+    if (typeof vnode === 'undefined' || vnode === null) {
+      return ''
+    }
+
     if (!vnode.sel && vnode.text) {
       return vnode.text
     }

diff --git a/test/index.js b/test/index.js
@@ -27,6 +27,8 @@ test('No modules', function (t) {
   t.equal(renderToString(vnode), '<br>', 'void element')
 
   vnode = h('div', [
+    undefined,
+    null,
     h('p', 'Paragraph 1'),
     h('p', [h('img')]),
     h('ul', [