Merge pull request #6875 from chrootsu/lodash-isElement

lodash: signatures of _.isElement have been changed

lodash/lodash-tests.ts

@@ -4958,10 +4958,25 @@ result = <boolean>_({}).isDate();
 }
 
 // _.isElement
-result = <boolean>_.isElement(any);
-result = <boolean>_(42).isElement();
-result = <boolean>_<any>([]).isElement();
-result = <boolean>_({}).isElement();
+module TestIsElement {
+    {
+        let result: boolean;
+
+        result = _.isElement(any);
+
+        result = _(42).isElement();
+        result = _<any>([]).isElement();
+        result = _({}).isElement();
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<boolean>;
+
+        result = _(42).chain().isElement();
+        result = _<any>([]).chain().isElement();
+        result = _({}).chain().isElement();
+    }
+}
 
 // _.isEmpty
 result = <boolean>_.isEmpty([1, 2, 3]);

lodash/lodash.d.ts

@@ -8693,6 +8693,7 @@ declare module _ {
     interface LoDashStatic {
         /**
          * Checks if value is a DOM element.
+         *
          * @param value The value to check.
          * @return Returns true if value is a DOM element, else false.
          */
@@ -8706,6 +8707,13 @@ declare module _ {
         isElement(): boolean;
     }
 
+    interface LoDashExplicitWrapperBase<T, TWrapper> {
+        /**
+         * @see _.isElement
+         */
+        isElement(): LoDashExplicitWrapper<boolean>;
+    }
+
     //_.isEmpty
     interface LoDashStatic {
         /**