From db315eae134c1e0d9d9b47531615b13c4abb9026 Mon Sep 17 00:00:00 2001
From: Vince <vincent_likes_games@hotmail.com>
Date: Tue, 16 Oct 2018 20:50:10 -0400
Subject: [PATCH] Added unwatchFile method for issue-551

---
 src/filesystem/interface.js | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/filesystem/interface.js b/src/filesystem/interface.js
index 0c6b331..c66dd71 100644
--- a/src/filesystem/interface.js
+++ b/src/filesystem/interface.js
@@ -17,6 +17,7 @@ var providers = require('../providers/index.js');
 var Shell = require('../shell/shell.js');
 var Intercom = require('../../lib/intercom.js');
 var FSWatcher = require('../fs-watcher.js');
+//var unwatcher = require('../unwatcherFile.js');
 var Errors = require('../errors.js');
 var defaultGuidFn = require('../shared.js').guid;
 
@@ -159,6 +160,27 @@ function FileSystem(options, callback) {
     return watcher;
   };
 
+  this.unwatchFile = function(filename, listener) {
+    if(isNullPath(filename)) {
+      throw new Error('Path must be a string without null bytes.');
+    }
+    listener = listener || nop;
+
+    if(listener == nop){
+      this.removeAllListeners();
+    }
+    else{
+      this.off('change', listener);
+    }
+    /*var unwatch = new unwatchFile();
+    if(listener == nop){
+      unwatch.removeListeners();
+    }
+    else{
+      unwatch.removeSingleListener(listener);
+    }*/
+  };
+
   // Deal with various approaches to node ID creation
   function wrappedGuidFn(context) {
     return function(callback) {
@@ -347,7 +369,7 @@ function FileSystem(options, callback) {
         callback(error);
       }
     };
-    
+
     FileSystem.prototype.promises[methodName] = promisify(FileSystem.prototype[methodName].bind(fs));
   });