Merge pull request #5354 from chrootsu/lodash-isEmpty

lodash: changed _.isEmpty() method

lodash/lodash-tests.ts

@@ -1062,6 +1062,14 @@ result = <boolean>_(1).gte(2);
 result = <boolean>_([]).gte(2);
 result = <boolean>_({}).gte(2);
 
+// _.isEmpty
+result = <boolean>_.isEmpty([1, 2, 3]);
+result = <boolean>_.isEmpty({});
+result = <boolean>_.isEmpty('');
+result = <boolean>_([1, 2, 3]).isEmpty();
+result = <boolean>_({}).isEmpty();
+result = <boolean>_('').isEmpty();
+
 // _.isMatch
 var testIsMatchCustiomizerFn: (value: any, other: any, indexOrKey: number|string) => boolean;
 result = <boolean>_.isMatch({}, {});
@@ -1282,10 +1290,6 @@ result = <boolean>_.isDate(new Date());
 
 result = <boolean>_.isElement(document.body);
 
-result = <boolean>_.isEmpty([1, 2, 3]);
-result = <boolean>_.isEmpty({});
-result = <boolean>_.isEmpty('');
-
 // _.isEqual (alias: _.eq)
 result = <boolean>_.isEqual(1, 1);
 result = <boolean>_(1).isEqual(1);

lodash/lodash.d.ts

@@ -5861,6 +5861,24 @@ declare module _ {
         gte(other: any): boolean;
     }
 
+    //_.isEmpty
+    interface LoDashStatic {
+        /**
+         * Checks if value is empty. A value is considered empty unless it’s an arguments object, array, string, or
+         * jQuery-like collection with a length greater than 0 or an object with own enumerable properties.
+         * @param value The value to inspect.
+         * @return Returns true if value is empty, else false.
+         **/
+        isEmpty(value?: any[]|Dictionary<any>|string|any): boolean;
+    }
+
+    interface LoDashWrapperBase<T,TWrapper> {
+        /**
+         * @see _.isEmpty
+         */
+        isEmpty(): boolean;
+    }
+
     //_.isMatch
     interface isMatchCustomizer {
         (value: any, other: any, indexOrKey?: number|string): boolean;
@@ -6629,17 +6647,6 @@ declare module _ {
         isElement(value?: any): boolean;
     }
 
-    //_.isEmpty
-    interface LoDashStatic {
-        /**
-        * Checks if value is empty. Arrays, strings, or arguments objects with a length of 0 and objects
-        * with no own enumerable properties are considered "empty".
-        * @param value The value to inspect.
-        * @return True if the value is empty, else false.
-        **/
-        isEmpty(value?: any[]|Dictionary<any>|string|any): boolean;
-    }
-
     //_.isError
     interface LoDashStatic {
         /**