Merge pull request #6554 from chrootsu/lodash-slice

lodash: signatures of the method _.slice changed

lodash/lodash-tests.ts

@@ -914,15 +914,32 @@ module TestRest {
 }
 
 // _.slice
-{
-    let testSliceArray: TResult[];
-    let result: TResult[];
-    result = _.slice(testSliceArray);
-    result = _.slice(testSliceArray, 42);
-    result = _.slice(testSliceArray, 42, 42);
-    result = _(testSliceArray).slice().value();
-    result = _(testSliceArray).slice(42).value();
-    result = _(testSliceArray).slice(42, 42).value();
+module TestSlice {
+    let array: TResult[];
+
+    {
+        let result: TResult[];
+
+        result = _.slice(array);
+        result = _.slice(array, 42);
+        result = _.slice(array, 42, 42);
+    }
+
+    {
+        let result: _.LoDashImplicitArrayWrapper<TResult>;
+
+        result = _(array).slice();
+        result = _(array).slice(42);
+        result = _(array).slice(42, 42);
+    }
+
+    {
+        let result: _.LoDashExplicitArrayWrapper<TResult>;
+
+        result = _(array).chain().slice();
+        result = _(array).chain().slice(42);
+        result = _(array).chain().slice(42, 42);
+    }
 }
 
 result = <number>_.sortedIndex([20, 30, 50], 40);

lodash/lodash.d.ts

@@ -1599,6 +1599,16 @@ declare module _ {
         ): LoDashImplicitArrayWrapper<T>;
     }
 
+    interface LoDashExplicitArrayWrapper<T> {
+        /**
+         * @see _.slice
+         */
+        slice(
+            start?: number,
+            end?: number
+        ): LoDashExplicitArrayWrapper<T>;
+    }
+
     //_.sortedIndex
     interface LoDashStatic {
         /**