From bd4bff3b6b9ad88c915e50e467de786caef66079 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Mon, 19 Nov 2012 23:02:35 -0800
Subject: [PATCH] Add `lodash.prototype` methods that return non-wrapped
 values.

Former-commit-id: b7ecb8c91ec9647827a80a297b966639c6580ef0
---
 build.js           |  5 +++-
 lodash.js          | 14 +++++++++
 lodash.min.js      | 72 +++++++++++++++++++++++-----------------------
 test/test-build.js |  7 +++--
 test/test.js       | 50 ++++++++++++++++++++++++++++++--
 5 files changed, 107 insertions(+), 41 deletions(-)

diff --git a/build.js b/build.js
index 2c9abe3ce..b3a70f6bc 100755
--- a/build.js
+++ b/build.js
@@ -124,7 +124,7 @@
     'memoize': [],
     'merge': ['forOwn', 'isArray', 'isPlainObject'],
     'min': ['forEach', 'isArray', 'isString'],
-    'mixin': ['forEach', 'functions'],
+    'mixin': ['filter', 'forEach', 'functions'],
     'noConflict': [],
     'object': [],
     'omit': ['forIn', 'indexOf'],
@@ -1397,6 +1397,9 @@
           });
         });
 
+        // remove Lo-Dash specific `lodash.prototype` extensions
+        source = source.replace(/(?:\s*\/\/.*)*\n( *)forEach\(filter[\s\S]+?lodash\.[\s\S]+?\n\1}.+/, '');
+
         // remove unneeded template related variables
         source = removeVar(source, 'reComplexDelimiter');
         source = removeVar(source, 'reEmptyStringLeading');
diff --git a/lodash.js b/lodash.js
index b1e3eeb39..645f26cbd 100644
--- a/lodash.js
+++ b/lodash.js
@@ -4225,6 +4225,20 @@
   lodash.prototype.value = wrapperValue;
   lodash.prototype.valueOf = wrapperValue;
 
+  // add all methods that return non-wrapped values
+  forEach(filter(functions(lodash), function(methodName) {
+    return /^(?:contains|every|find|first|has|is[A-Z].+|last|reduce.*|some)$/.test(methodName);
+  }),
+  function(methodName) {
+    var func = lodash[methodName];
+
+    lodash.prototype[methodName] = function() {
+      var args = [this.__wrapped__];
+      push.apply(args, arguments);
+      return func.apply(lodash, args);
+    };
+  });
+
   // add all mutator Array functions to the wrapper.
   forEach(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
     var func = arrayRef[methodName];
diff --git a/lodash.min.js b/lodash.min.js
index 2fcb4242c..99d678b25 100644
--- a/lodash.min.js
+++ b/lodash.min.js
@@ -2,39 +2,39 @@
  Lo-Dash 0.10.0 lodash.com/license
  Underscore.js 1.4.2 underscorejs.org/LICENSE
 */
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+return e==r&&t==r&&(t=1),e=+e||0,t==r&&(t=e,e=0),e+yt(_t()*((+t||0)-e+1))},s.range=function(e,t,n){e=+e||0,n=+n||1,t==r&&(t=e,e=0);for(var i=-1,t=Ot(0,mt((t-e)/n)),s=Array(t);++i<t;)s[i]=e,e+=n;return s},s.reduce=H,s.reduceRight=B,s.reject=function(e,t,n){return t=l(t,n),O(e,function(e,n,r){return!t(e,n,r)})},s.rest=R,s.result=function(e,t){var n=e?e[t]:r;return x(n)?e[t]():n},s.shuffle=function(e){var t=-1,n=Array(e?e.length:0);return pn(e,function(e){var r=yt(_t()*(++t+1));n[t]=n[r],n[r]=e}),n}
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\ No newline at end of file
diff --git a/test/test-build.js b/test/test-build.js
index 6439d092a..fcc807f50 100644
--- a/test/test-build.js
+++ b/test/test-build.js
@@ -697,8 +697,11 @@
 
         object = lodash(1);
         equal(object.clone() instanceof lodash, false, '_(...) wrapped values are not chainable by default: ' + basename);
-        equal(String(object) === '1', false, '_.prototype should not implement its own `toString` method: ' + basename);
-        equal(Number(object) === 1 , false, '_.prototype should not implement its own `valueOf` method: ' + basename);
+        equal(String(object) === '1', false, '_#toString should not be implemented: ' + basename);
+        equal(Number(object) === 1 , false, '_#valueOf should not be implemented: ' + basename);
+
+        object.chain();
+        equal(typeof object.has('x') == 'object', true, '_#has returns wrapped values when chaining: ' + basename);
 
         start();
       });
diff --git a/test/test.js b/test/test.js
index d7621fe19..b0d4f4655 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1915,7 +1915,7 @@
       wrapped.shift();
 
       deepEqual(wrapped.keys().value(), ['length']);
-      equal(wrapped.first().value(), undefined);
+      equal(wrapped.first(), undefined);
     });
   }());
 
@@ -1929,7 +1929,7 @@
       wrapped.splice(0, 1);
 
       deepEqual(wrapped.keys().value(), ['length']);
-      equal(wrapped.first().value(), undefined);
+      equal(wrapped.first(), undefined);
     });
   }());
 
@@ -1957,6 +1957,52 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash(...) methods returning non-wrapped values');
+
+  (function() {
+    var array = [1, 2, 3];
+
+    var funcs = [
+      'contains',
+      'every',
+      'find',
+      'first',
+      'has',
+      'isArguments',
+      'isArray',
+      'isBoolean',
+      'isDate',
+      'isElement',
+      'isEmpty',
+      'isEqual',
+      'isFinite',
+      'isFunction',
+      'isNaN',
+      'isNull',
+      'isNumber',
+      'isObject',
+      'isPlainObject',
+      'isRegExp',
+      'isString',
+      'isUndefined',
+      'last',
+      'reduce',
+      'reduceRight',
+      'some'
+    ];
+
+    _.each(funcs, function(methodName) {
+      test('_.' + methodName + ' should return non-wrapped values', function() {
+        var func = _[methodName],
+            result = methodName == 'reduceRight' ? func(array, _.identity) : func;
+
+        notEqual(typeof result, 'object', '_.' + methodName + ' returns non-wrapped values');
+      });
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash methods');
 
   (function() {