Merge pull request #5986 from chrootsu/lodash-chunk

lodash: changed _.chunk() method

lodash/lodash-tests.ts

@@ -155,17 +155,24 @@ result = <number[]>_([1, 2, 3]).run();
 result = <_.Dictionary<string>>_(<{ [index: string]: string; }>{ 'key1': 'test1', 'key2': 'test2' }).toJSON();
 result = <_.Dictionary<number>>_({ a: 1, b: 2}).mapValues(function(num: number) { return num * 2; }).valueOf();
 
-// /*************
-//  * Arrays *
-//  *************/
-result = <any[][]>_.chunk([1, '2', '3', false]);
-result = <_.LoDashArrayWrapper<any[]>>_([1, '2', '3', false]).chunk();
-result = <any[][]>_.chunk([1, '2', '3', false], 2);
-result = <_.LoDashArrayWrapper<any[]>>_([1, '2', '3', false]).chunk(2);
-result = <number[][]>_.chunk([1, 2, 3, 4]);
-result = <_.LoDashArrayWrapper<number[]>>_([1, 2, 3, 4]).chunk();
-result = <number[][]>_.chunk([1, 2, 3, 4], 2);
-result = <_.LoDashArrayWrapper<number[]>>_([1, 2, 3, 4]).chunk(2);
+/*********
+ * Array *
+ *********/
+
+// _.chunk
+module TestChunk {
+    let array: TResult[];
+    let list: _.List<TResult>;
+    let result: TResult[][];
+    result = _.chunk<TResult>(array);
+    result = _.chunk<TResult>(array, 42);
+    result = _.chunk<TResult>(list);
+    result = _.chunk<TResult>(list, 42);
+    result = _(array).chunk().value();
+    result = _(array).chunk(42).value();
+    result = _(list).chunk<TResult>().value();
+    result = _(list).chunk<TResult>(42).value();
+}
 
 result = <any[]>_.compact([0, 1, false, 2, '', 3]);
 result = <_.LoDashArrayWrapper<any>>_([0, 1, false, 2, '', 3]).compact();

lodash/lodash.d.ts

@@ -313,33 +313,39 @@ declare module _ {
     }
 
     /*********
-    * Arrays *
-    **********/
+     * Array *
+     *********/
 
     //_.chunk
     interface LoDashStatic {
         /**
-        * Creates an array of elements split into groups the length of size. If collection can't be
-        * split evenly, the final chunk will be the remaining elements.
-        * @param array The array to process.
-        * @param size The length of each chunk.
-        * @return Returns the new array containing chunks.
-        **/
-        chunk<T>(array: Array<T>, size?: number): T[][];
-
-        /**
-        * @see _.chunk
-        **/
-        chunk<T>(array: List<T>, size?: number): T[][];
+         * Creates an array of elements split into groups the length of size. If collection can’t be split evenly, the
+         * final chunk will be the remaining elements.
+         *
+         * @param array The array to process.
+         * @param size The length of each chunk.
+         * @return Returns the new array containing chunks.
+         */
+        chunk<T>(
+            array: List<T>,
+            size?: number
+        ): T[][];
     }
 
     interface LoDashArrayWrapper<T> {
         /**
-        * @see _.chunk
-        **/
+         * @see _.chunk
+         */
         chunk(size?: number): LoDashArrayWrapper<T[]>;
     }
 
+    interface LoDashObjectWrapper<T> {
+        /**
+         * @see _.chunk
+         */
+        chunk<TResult>(size?: number): LoDashArrayWrapper<TResult[]>;
+    }
+
     //_.compact
     interface LoDashStatic {
         /**