[Pkg-javascript-commits] [backbone] 27/173: Allow to make reduce without initial value

[Jonas Smedegaard]

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js pushed a commit to branch master
in repository backbone.

commit 345dd7b12828bfd12dbc8c3b3d062742ccbafa44
Author: just-boris <just-boris at hotmail.com>
Date:   Tue Sep 29 01:42:15 2015 +0300

    Allow to make reduce without initial value
---
 backbone.js        | 3 +++
 test/collection.js | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/backbone.js b/backbone.js
index bbc63fd..99e5a15 100644
--- a/backbone.js
+++ b/backbone.js
@@ -87,6 +87,9 @@
         return _[method](this[attribute], cb(iteratee, this), context);
       };
       case 4: return function(iteratee, defaultVal, context) {
+        if(arguments.length < 2) {
+          return _[method](this[attribute], cb(iteratee, this));
+        }
         return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
       };
       default: return function() {
diff --git a/test/collection.js b/test/collection.js
index eb00fe1..36c0056 100644
--- a/test/collection.js
+++ b/test/collection.js
@@ -670,10 +670,12 @@
   });
 
   QUnit.test("Underscore methods", function(assert) {
-    assert.expect(19);
+    assert.expect(21);
     assert.equal(col.map(function(model){ return model.get('label'); }).join(' '), 'a b c d');
     assert.equal(col.some(function(model){ return model.id === 100; }), false);
     assert.equal(col.some(function(model){ return model.id === 0; }), true);
+    assert.equal(col.reduce(function(a, b) {return a.id > b.id ? a : b}).id, 3);
+    assert.equal(col.reduceRight(function(a, b) {return a.id > b.id ? a : b}).id, 3);
     assert.equal(col.indexOf(b), 1);
     assert.equal(col.size(), 4);
     assert.equal(col.rest().length, 3);

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