From 17264e0456977fbd79e47b116a329da7aefae747 Mon Sep 17 00:00:00 2001
From: Tim Perry <pimterry@gmail.com>
Date: Fri, 6 Jan 2017 16:04:10 +0100
Subject: [PATCH] Add missing walk() method to fs-extra (#13070)

* Add walk() to fs-extra

* Fix some indentation in fs-extra
---
 fs-extra/fs-extra-tests.ts |  9 +++++++++
 fs-extra/index.d.ts        | 28 +++++++++++++++++++++-------
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/fs-extra/fs-extra-tests.ts b/fs-extra/fs-extra-tests.ts
index c6b95c0100..0954fcaf47 100644
--- a/fs-extra/fs-extra-tests.ts
+++ b/fs-extra/fs-extra-tests.ts
@@ -101,3 +101,12 @@ fs.ensureSymlink(path, errorCallback);
 fs.ensureSymlinkSync(path);
 fs.emptyDir(path, errorCallback);
 fs.emptyDirSync(path);
+
+var items: string[];
+fs.walk("my-path")
+  .on('data', function (item) {
+    items.push(item.path);
+  })
+  .on('end', function () {
+    console.dir(items);
+  });
diff --git a/fs-extra/index.d.ts b/fs-extra/index.d.ts
index c24ee5a49d..ffc2ec434b 100644
--- a/fs-extra/index.d.ts
+++ b/fs-extra/index.d.ts
@@ -8,6 +8,7 @@
 /// <reference types="node" />
 
 import * as stream from 'stream';
+import { Stats } from "fs";
 export * from "fs";
 
 export declare function copy(src: string, dest: string, callback?: (err: Error) => void): void;
@@ -72,8 +73,21 @@ export declare function ensureSymlinkSync(path: string): void;
 
 export declare function emptyDir(path: string, callback?: (err: Error) => void): void;
 export declare function emptyDirSync(path: string): boolean;
-	
-    export interface CopyFilterFunction {
+
+export interface WalkEventEmitter {
+    on(event: 'data', callback: (file: WalkEventFile) => void): WalkEventEmitter;
+    on(event: 'end', callback: () => void): WalkEventEmitter;
+    on(event: string, callback: Function): WalkEventEmitter;
+}
+
+export interface WalkEventFile {
+    path: string;
+    stats: Stats;
+}
+
+export function walk(path: string, options?: {}): WalkEventEmitter;
+
+export interface CopyFilterFunction {
     (src: string): boolean
 }
 
@@ -86,11 +100,11 @@ export interface CopyOptions {
     filter?: CopyFilter
     recursive?: boolean
 }
-	
-	export interface MoveOptions {
-		clobber? : boolean;
-		limit?: number;
-	}
+
+export interface MoveOptions {
+    clobber? : boolean;
+    limit?: number;
+}
 
 export interface MoveOptions {
     clobber? : boolean;