diff --git a/types/node/index.d.ts b/types/node/index.d.ts
index fbd0a4c211..d474a1045a 100644
--- a/types/node/index.d.ts
+++ b/types/node/index.d.ts
@@ -4580,7 +4580,6 @@ declare module "path" {
          */
         name: string;
     }
-
     export interface FormatInputPathObject {
         /**
          * The root of the path such as '/' or 'c:\'
@@ -4693,7 +4692,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 
     export module win32 {
@@ -4708,7 +4707,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 }
 
diff --git a/types/node/node-tests.ts b/types/node/node-tests.ts
index 1ed9332e94..e0c2b22b10 100644
--- a/types/node/node-tests.ts
+++ b/types/node/node-tests.ts
@@ -1759,6 +1759,46 @@ namespace path_tests {
     });
     // returns
     //    '/home/user/dir/file.txt'
+
+    path.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        root: "/",
+        dir: "/home/user/dir",
+        base: "file.txt",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.win32.format({
+        root: "C:\\",
+        dir: "C:\\home\\user\\dir",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
+
+    path.win32.format({
+        dir: "C:\\home\\user\\dir",
+        base: "file.txt"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v4/index.d.ts b/types/node/v4/index.d.ts
index eefbf46bef..259259afd0 100644
--- a/types/node/v4/index.d.ts
+++ b/types/node/v4/index.d.ts
@@ -1993,6 +1993,28 @@ declare module "path" {
          */
         name: string;
     }
+    export interface FormatInputPathObject {
+        /**
+         * The root of the path such as '/' or 'c:\'
+         */
+        root?: string;
+        /**
+         * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+         */
+        dir?: string;
+        /**
+         * The file name including extension (if any) such as 'index.html'
+         */
+        base?: string;
+        /**
+         * The file extension (if any) such as '.html'
+         */
+        ext?: string;
+        /**
+         * The file name without extension (if any) such as 'index'
+         */
+        name?: string;
+    }
 
     /**
      * Normalize a string path, reducing '..' and '.' parts.
@@ -2076,7 +2098,7 @@ declare module "path" {
      *
      * @param pathString path to evaluate.
      */
-    export function format(pathObject: ParsedPath): string;
+    export function format(pathObject: FormatInputPathObject): string;
 
     export module posix {
       export function normalize(p: string): string;
@@ -2090,7 +2112,7 @@ declare module "path" {
       export var sep: string;
       export var delimiter: string;
       export function parse(p: string): ParsedPath;
-      export function format(pP: ParsedPath): string;
+      export function format(pP: FormatInputPathObject): string;
     }
 
     export module win32 {
@@ -2105,7 +2127,7 @@ declare module "path" {
       export var sep: string;
       export var delimiter: string;
       export function parse(p: string): ParsedPath;
-      export function format(pP: ParsedPath): string;
+      export function format(pP: FormatInputPathObject): string;
     }
 }
 
diff --git a/types/node/v4/node-tests.ts b/types/node/v4/node-tests.ts
index 431dfb0520..2bb28ce779 100644
--- a/types/node/v4/node-tests.ts
+++ b/types/node/v4/node-tests.ts
@@ -772,6 +772,46 @@ namespace path_tests {
     });
     // returns
     //    '/home/user/dir/file.txt'
+
+    path.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        root: "/",
+        dir: "/home/user/dir",
+        base: "file.txt",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.win32.format({
+        root: "C:\\",
+        dir: "C:\\home\\user\\dir",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
+
+    path.win32.format({
+        dir: "C:\\home\\user\\dir",
+        base: "file.txt"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v6/index.d.ts b/types/node/v6/index.d.ts
index 1a697551a4..0c84770e93 100644
--- a/types/node/v6/index.d.ts
+++ b/types/node/v6/index.d.ts
@@ -2875,6 +2875,28 @@ declare module "path" {
          */
         name: string;
     }
+    export interface FormatInputPathObject {
+        /**
+         * The root of the path such as '/' or 'c:\'
+         */
+        root?: string;
+        /**
+         * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+         */
+        dir?: string;
+        /**
+         * The file name including extension (if any) such as 'index.html'
+         */
+        base?: string;
+        /**
+         * The file extension (if any) such as '.html'
+         */
+        ext?: string;
+        /**
+         * The file name without extension (if any) such as 'index'
+         */
+        name?: string;
+    }
 
     /**
      * Normalize a string path, reducing '..' and '.' parts.
@@ -2951,7 +2973,7 @@ declare module "path" {
      *
      * @param pathString path to evaluate.
      */
-    export function format(pathObject: ParsedPath): string;
+    export function format(pathObject: FormatInputPathObject): string;
 
     export module posix {
         export function normalize(p: string): string;
@@ -2965,7 +2987,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 
     export module win32 {
@@ -2980,7 +3002,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 }
 
diff --git a/types/node/v6/node-tests.ts b/types/node/v6/node-tests.ts
index 171b92ba1a..34a62bf88d 100644
--- a/types/node/v6/node-tests.ts
+++ b/types/node/v6/node-tests.ts
@@ -1282,6 +1282,47 @@ namespace path_tests {
     });
     // returns
     //    '/home/user/dir/file.txt'
+
+
+    path.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        root: "/",
+        dir: "/home/user/dir",
+        base: "file.txt",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.win32.format({
+        root: "C:\\",
+        dir: "C:\\home\\user\\dir",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
+
+    path.win32.format({
+        dir: "C:\\home\\user\\dir",
+        base: "file.txt"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v7/index.d.ts b/types/node/v7/index.d.ts
index 25c120ad3c..f0766a2da2 100644
--- a/types/node/v7/index.d.ts
+++ b/types/node/v7/index.d.ts
@@ -3005,6 +3005,28 @@ declare module "path" {
          */
         name: string;
     }
+    export interface FormatInputPathObject {
+        /**
+         * The root of the path such as '/' or 'c:\'
+         */
+        root?: string;
+        /**
+         * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+         */
+        dir?: string;
+        /**
+         * The file name including extension (if any) such as 'index.html'
+         */
+        base?: string;
+        /**
+         * The file extension (if any) such as '.html'
+         */
+        ext?: string;
+        /**
+         * The file name without extension (if any) such as 'index'
+         */
+        name?: string;
+    }
 
     /**
      * Normalize a string path, reducing '..' and '.' parts.
@@ -3081,7 +3103,7 @@ declare module "path" {
      *
      * @param pathString path to evaluate.
      */
-    export function format(pathObject: ParsedPath): string;
+    export function format(pathObject: FormatInputPathObject): string;
 
     export module posix {
         export function normalize(p: string): string;
@@ -3095,7 +3117,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 
     export module win32 {
@@ -3110,7 +3132,7 @@ declare module "path" {
         export var sep: string;
         export var delimiter: string;
         export function parse(p: string): ParsedPath;
-        export function format(pP: ParsedPath): string;
+        export function format(pP: FormatInputPathObject): string;
     }
 }
 
diff --git a/types/node/v7/node-tests.ts b/types/node/v7/node-tests.ts
index f0878cc6fc..a2f25db8ec 100644
--- a/types/node/v7/node-tests.ts
+++ b/types/node/v7/node-tests.ts
@@ -1379,6 +1379,46 @@ namespace path_tests {
     });
     // returns
     //    '/home/user/dir/file.txt'
+
+    path.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        root: "/",
+        dir: "/home/user/dir",
+        base: "file.txt",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.posix.format({
+        dir: "/home/user/dir",
+        base: "file.txt"
+    });
+    // returns
+    //    '/home/user/dir/file.txt'
+
+    path.win32.format({
+        root: "C:\\",
+        dir: "C:\\home\\user\\dir",
+        ext: ".txt",
+        name: "file"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
+
+    path.win32.format({
+        dir: "C:\\home\\user\\dir",
+        base: "file.txt"
+    });
+    // returns
+    //    'C:\home\user\dir\file.txt'
 }
 
 ////////////////////////////////////////////////////