Merge pull request #6765 from chrootsu/lodash-lt

lodash: signatures of the method _.lt have been changed

lodash/lodash-tests.ts

@@ -4985,10 +4985,25 @@ result = <boolean>_<any>([]).isUndefined();
 result = <boolean>_({}).isUndefined();
 
 // _.lt
-result = <boolean>_.lt(1, 2);
-result = <boolean>_(1).lt(2);
-result = <boolean>_([]).lt(2);
-result = <boolean>_({}).lt(2);
+
+module TestLt {
+    {
+        let result: boolean;
+
+        result = _.lt(any, any);
+        result = _(1).lt(any);
+        result = _([]).lt(any);
+        result = _({}).lt(any);
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<boolean>;
+
+        result = _(1).chain().lt(any);
+        result = _([]).chain().lt(any);
+        result = _({}).chain().lt(any);
+    }
+}
 
 // _.lte
 result = <boolean>_.lte(1, 2);

lodash/lodash.d.ts

@@ -8957,20 +8957,31 @@ declare module _ {
     interface LoDashStatic {
         /**
          * Checks if value is less than other.
+         *
          * @param value The value to compare.
          * @param other The other value to compare.
          * @return Returns true if value is less than other, else false.
          */
-        lt(value: any, other: any): boolean;
+        lt(
+            value: any,
+            other: any
+        ): boolean;
     }
 
-    interface LoDashImplicitWrapperBase<T,TWrapper> {
+    interface LoDashImplicitWrapperBase<T, TWrapper> {
         /**
          * @see _.lt
          */
         lt(other: any): boolean;
     }
 
+    interface LoDashExplicitWrapperBase<T, TWrapper> {
+        /**
+         * @see _.lt
+         */
+        lt(other: any): LoDashExplicitWrapper<boolean>;
+    }
+
     //_.lte
     interface LoDashStatic {
         /**