lodash: added _.isBuffer

lodash/lodash-tests.ts

@@ -6371,6 +6371,26 @@ module TestIsBoolean {
     }
 }
 
+// _.isBuffer
+module TestIsBuffer {
+    {
+        let result: boolean;
+
+        result = _.isBuffer(any);
+        result = _(1).isBuffer();
+        result = _<any>([]).isBuffer();
+        result = _({}).isBuffer();
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<boolean>;
+
+        result = _(1).chain().isBuffer();
+        result = _<any>([]).chain().isBuffer();
+        result = _({}).chain().isBuffer();
+    }
+}
+
 // _.isDate
 module TestIsBoolean {
     {

lodash/lodash.d.ts

@@ -11159,6 +11159,31 @@ declare module _ {
         isBoolean(): LoDashExplicitWrapper<boolean>;
     }
 
+    //_.isBuffer
+    interface LoDashStatic {
+        /**
+         * Checks if value is a buffer.
+         *
+         * @param value The value to check.
+         * @return Returns true if value is a buffer, else false.
+         */
+        isBuffer(value?: any): boolean;
+    }
+
+    interface LoDashImplicitWrapperBase<T, TWrapper> {
+        /**
+         * @see _.isBuffer
+         */
+        isBuffer(): boolean;
+    }
+
+    interface LoDashExplicitWrapperBase<T, TWrapper> {
+        /**
+         * @see _.isBuffer
+         */
+        isBuffer(): LoDashExplicitWrapper<boolean>;
+    }
+
     //_.isDate
     interface LoDashStatic {
         /**