Fix mutation on toReact

Olical · Oct 3, 2015 · d6b5afb · d6b5afb
1 parent bad4e8f
commit d6b5afb
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/src/Element.js b/src/Element.js
@@ -203,14 +203,14 @@ Element.prototype.getElementById = function (id) {
 
 Element.prototype.toReact = function (index) {
   index = index || 0
-  var props = this.props
+  var props = clone(this.props)
+  props.style = clone(props.style)
 
   function uniqueKey () {
     return 'faux-dom-' + index
   }
 
   if (typeof props.key === 'undefined') {
-    props = clone(props)
     props.key = uniqueKey()
   }
 

diff --git a/test/react.js b/test/react.js
@@ -53,3 +53,11 @@ test('pre-built React elements are rendered into the tree', function (t) {
   t.plan(1)
   t.equal(tree.props.children[0].props.foo, 'bar')
 })
+
+test('toReact does not mutate the state', function (t) {
+  var el = mk().node()
+  t.plan(2)
+  t.equal(typeof el.props.style.setProperty, 'function')
+  el.toReact()
+  t.equal(typeof el.props.style.setProperty, 'function')
+})