Observer: only walk object if it is plain

sudongyan · Aug 30, 2015 · d4d61ef · d4d61ef
1 parent 90fb381
commit d4d61ef
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/observer/index.js b/src/observer/index.js
@@ -25,7 +25,7 @@ function Observer (value) {
  : copyAugment
  augment(value, arrayMethods, arrayKeys)
  this.observeArray(value)
- } else {
+ } else if (_.isPlainObject(value)) {
  this.walk(value)
  }
 }

diff --git a/src/util/lang.js b/src/util/lang.js
@@ -191,8 +191,9 @@ exports.isObject = function (obj) {
  */
 
 var toString = Object.prototype.toString
+var OBJECT_STRING = '[object Object]'
 exports.isPlainObject = function (obj) {
- return toString.call(obj) === '[object Object]'
+ return toString.call(obj) === OBJECT_STRING
 }
 
 /**