From 79f52467c0109e63b7141beced479a9421560bbe Mon Sep 17 00:00:00 2001
From: Ilya Mochalov <chrootsu@gmail.com>
Date: Fri, 24 Jul 2015 03:00:57 +0500
Subject: [PATCH] lodash: changed _.isEqual() method

---
 lodash/lodash-tests.ts | 35 ++++++++++------
 lodash/lodash.d.ts     | 91 ++++++++++++++++++++++++++++++++++--------
 2 files changed, 97 insertions(+), 29 deletions(-)

diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 627dda565..957bd56cc 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -986,21 +986,30 @@ result = <boolean>_.isEmpty([1, 2, 3]);
 result = <boolean>_.isEmpty({});
 result = <boolean>_.isEmpty('');
 
-var moe = { 'name': 'moe', 'age': 40 };
-var copy = { 'name': 'moe', 'age': 40 };
+// _.isEqual (alias: _.eq)
+result = <boolean>_.isEqual(1, 1);
+result = <boolean>_(1).isEqual(1);
+result = <boolean>_.eq(1, 1);
+result = <boolean>_(1).eq(1);
 
-result = <boolean>_.isEqual(moe, copy);
+var testEqObject = { 'user': 'fred' };
+var testEqOtherObject = { 'user': 'fred' };
+result = <boolean>_.isEqual(testEqObject, testEqOtherObject);
+result = <boolean>_(testEqObject).isEqual(testEqOtherObject);
+result = <boolean>_.eq(testEqObject, testEqOtherObject);
+result = <boolean>_(testEqObject).eq(testEqOtherObject);
 
-var words = ['hello', 'goodbye'];
-var otherWords = ['hi', 'goodbye'];
-
-result = <boolean>_.isEqual(words, otherWords, function (a, b) {
-    var reGreet = /^(?:hello|hi)$/i,
-        aGreet = _.isString(a) && reGreet.test(a),
-        bGreet = _.isString(b) && reGreet.test(b);
-
-    return (aGreet || bGreet) ? (aGreet == bGreet) : undefined;
-});
+var testEqArray = ['hello', 'goodbye'];
+var testEqOtherArray = ['hi', 'goodbye'];
+var testEqCustomizerFn = (value: any, other: any): boolean => {
+    if (_.every([value, other], RegExp.prototype.test, /^h(?:i|ello)$/)) {
+        return true;
+    }
+};
+result = <boolean>_.isEqual(testEqArray, testEqOtherArray, testEqCustomizerFn);
+result = <boolean>_(testEqArray).isEqual(testEqOtherArray, testEqCustomizerFn);
+result = <boolean>_.eq(testEqArray, testEqOtherArray, testEqCustomizerFn);
+result = <boolean>_(testEqArray).eq(testEqOtherArray, testEqCustomizerFn);
 
 result = <boolean>_.isFinite(-101);
 result = <boolean>_.isFinite('10');
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index 7bc1df648..06d5acd00 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -5907,25 +5907,84 @@ declare module _ {
         isError(value: any): boolean;
     }
 
-
     //_.isEqual
+    interface EqCustomizer {
+        (value: any, other: any, indexOrKey?: number|string): boolean;
+    }
+
     interface LoDashStatic {
         /**
-        * Performs a deep comparison between two values to determine if they are equivalent to each
-        * other. If a callback is provided it will be executed to compare values. If the callback
-        * returns undefined comparisons will be handled by the method instead. The callback is bound to
-        * thisArg and invoked with two arguments; (a, b).
-        * @param a The value to compare.
-        * @param b The other value to compare.
-        * @param callback The function to customize comparing values.
-        * @param thisArg The this binding of callback.
-        * @return True if the values are equivalent, else false.
-        **/
-        isEqual(
-            a?: any,
-            b?: any,
-            callback?: (a: any, b: any) => boolean,
-            thisArg?: any): boolean;
+         * Performs a deep comparison between two values to determine if they are equivalent. If customizer is
+         * provided it is invoked to compare values. If customizer returns undefined comparisons are handled
+         * by the method instead. The customizer is bound to thisArg and invoked with three
+         * arguments: (value, other [, index|key]).
+         * @param value The value to compare.
+         * @param other The other value to compare.
+         * @param callback The function to customize value comparisons.
+         * @param thisArg The this binding of customizer.
+         * @return True if the values are equivalent, else false.
+         */
+        isEqual(value?: any,
+                other?: any,
+                callback?: EqCustomizer,
+                thisArg?: any): boolean;
+
+        /**
+         * @see _.isEqual
+         */
+        eq(value?: any,
+           other?: any,
+           callback?: EqCustomizer,
+           thisArg?: any): boolean;
+    }
+
+    interface LoDashWrapper<T> {
+        /**
+         * @see _.isEqual
+         */
+        isEqual(other?: any,
+                callback?: EqCustomizer,
+                thisArg?: any): boolean;
+
+        /**
+         * @see _.isEqual
+         */
+        eq(other?: any,
+           callback?: EqCustomizer,
+           thisArg?: any): boolean;
+
+    }
+
+    interface LoDashArrayWrapper<T> {
+        /**
+         * @see _.isEqual
+         */
+        isEqual(other?: any,
+                callback?: EqCustomizer,
+                thisArg?: any): boolean;
+
+        /**
+         * @see _.isEqual
+         */
+        eq(other?: any,
+           callback?: EqCustomizer,
+           thisArg?: any): boolean;
+    }
+
+    interface LoDashObjectWrapper<T> {
+        /**
+         * @see _.isEqual
+         */
+        isEqual(other?: any,
+                callback?: EqCustomizer,
+                thisArg?: any): boolean;
+
+        /**
+         * @see _.isEqual
+         */
+        eq(other?: any,
+           callback?: EqCustomizer,
+           thisArg?: any): boolean;
     }
 
     //_.isFinite