enhancement: the sort now works on nested properties

src/cli/core/utils/sort.js

@@ -34,6 +34,9 @@ export function shuffle(array) {
  * @return integer the ordered value
  */
 export function predicatBy(prop, order){
+  prop = prop.split('.')
+  var len = prop.length
+
   if (order !== -1) {
     order = 1
   }
@@ -50,12 +53,14 @@ export function predicatBy(prop, order){
     }
   }
 
-  return function(a,b){
-    if( a[prop] > b[prop]){
-      return 1*order
-    }else if( a[prop] < b[prop] ){
+  return function (a, b) {
+    var i = 0
+    while( i < len ) { a = a[prop[i]]; b = b[prop[i]]; i++ }
+    if (a < b) {
       return -1*order
+    } else if (a > b) {
+      return 1*order
     }
     return 0
-  }
+  } 
 }

test/core/utils/sort.js

@@ -26,4 +26,16 @@ describe('Sort', function() {
   	var shuffled = coreUtils.sort.shuffle(list)
   	chai.expect(shuffled[0].name).to.be.oneOf(['article-2.json', 'article-1.json', 'homepage-1.json']);
   });
+
+  it('coreUtils.sort.predicatBy 1', function() {
+    var list = Manager.instance.getList()
+    list.sort(coreUtils.sort.predicatBy('name', 1))
+    chai.expect(list[0].name).to.equal('article-1.json');
+  });
+
+  it('coreUtils.sort.predicatBy 2', function() {
+    var list = Manager.instance.getList()
+    list.sort(coreUtils.sort.predicatBy('abe_meta.template', -1))
+    chai.expect(list[0].abe_meta.template).to.equal('homepage');
+  });
 });