Fix #37 rootId should clear if only opts is passed

`rootId` is optional to `start`, but has lower precedence than `opts`. Currently it is not cleared when the value is passed to `opts`
2016-06-04 15:48:27 +02:00
parent a1be33269d
commit 3f38810d64
1 changed files with 4 additions and 1 deletions
@@ -52,7 +52,10 @@ function choo () {
  // start the application
  // (str?, obj?) -> DOMNode
  function start (rootId, opts) {
-    if (!opts) opts = rootId
+    if (!opts) {
+      opts = rootId
+      rootId = null
+    }
    opts = opts || {}
    const name = opts.name || 'choo'
    const initialState = {}