From b4eed8ad94ce9719540462c1ee969dfd3c6b2355 Mon Sep 17 00:00:00 2001
From: Caitlin Potter
Date: Tue, 11 Feb 2014 09:57:04 -0500
Subject: feat(filterFilter): support deeply nested predicate objects

Due to 339a165, it became impossible to filter nested properties of an object using the filterFilter.
A proposed solution to this was to enable the use of nested predicate objects. This change enables the
use of these nested predicate objects.

Example:

```html
<div ng-repeat="it in items | filter:{ address: { country: 'Canuckistan'}}"></div>
```

Or

```js
$filter('filter')(items, { address: { country: 'Canuckistan' } });
```

Closes #6215
Related to #6009
---
 src/ng/filter/filter.js | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/ng')

diff --git a/src/ng/filter/filter.js b/src/ng/filter/filter.js
index eabe84a7..2bb0d174 100644
--- a/src/ng/filter/filter.js
+++ b/src/ng/filter/filter.js
@@ -136,6 +136,15 @@ function filterFilter() {
         };
       } else {
         comparator = function(obj, text) {
+          if (obj && text && typeof obj === 'object' && typeof text === 'object') {
+            for (var objKey in obj) {
+              if (objKey.charAt(0) !== '$' && hasOwnProperty.call(obj, objKey) &&
+                  comparator(obj[objKey], text[objKey])) {
+                return true;
+              }
+            }
+            return false;
+          }
           text = (''+text).toLowerCase();
           return (''+obj).toLowerCase().indexOf(text) > -1;
         };
-- 
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