Merge pull request #586 from mousetraps/i566

#566 No IntelliSense after npm install with a new project

Author: mousetraps

Nodejs/Product/Nodejs/Project/NodejsFileNode.cs

@@ -32,7 +32,7 @@ public NodejsFileNode(NodejsProjectNode root, ProjectElement e)
             CreateWatcher(Url);
 #endif
             if (Url.Contains(AnalysisConstants.NodeModulesFolder)) {
-                root.DelayedAnalysisQueue.Enqueue(this);
+                root.EnqueueForDelayedAnalysis(this);
             } else {
                 Analyze();
             }
@@ -50,7 +50,8 @@ internal bool ShouldAnalyze {
             get {
                 // We analyze if we are a member item or the file is included
                 // Also, it should either be marked as compile or not have an item type name (value is null for node_modules
-                return !ProjectMgr.DelayedAnalysisQueue.Contains(this) &&
+                return !Url.Contains(NodejsConstants.NodeModulesStagingFolder) &&
+                    !ProjectMgr.DelayedAnalysisQueue.Contains(this) &&
                     (!IsNonMemberItem || ProjectMgr.IncludeNodejsFile(this)) &&
                     (ItemNode.ItemTypeName == ProjectFileConstants.Compile || string.IsNullOrEmpty(ItemNode.ItemTypeName));
 

Nodejs/Product/Nodejs/Project/NodejsProjectNode.cs

@@ -52,8 +52,6 @@ class NodejsProjectNode : CommonProjectNode, VsWebSite.VSWebSite, INodePackageMo
 
         // We delay analysis until things calm down in the node_modules folder.
         internal Queue<NodejsFileNode> DelayedAnalysisQueue = new Queue<NodejsFileNode>();
-        private FileWatcher _nodeModulesWatcher;
-        private readonly string[] _watcherExtensions = { ".js", ".json" };
         private object _idleNodeModulesLock = new object();
         private volatile bool _isIdleNodeModules = false;
         private Timer _idleNodeModulesTimer;
@@ -81,35 +79,6 @@ public VsProjectAnalyzer Analyzer {
             }
         }
 
-        private void CreateIdleNodeModulesWatcher() {
-            try {
-                _idleNodeModulesTimer = new Timer(OnIdleNodeModules);
-
-                // This handles the case where there are multiple node_modules folders in a project.
-                _nodeModulesWatcher = new FileWatcher(ProjectHome) {
-                    IncludeSubdirectories = true,
-                    NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.CreationTime,
-                    EnableRaisingEvents = true
-                };
-
-                _nodeModulesWatcher.Changed += OnNodeModulesWatcherChanged;
-                _nodeModulesWatcher.Created += OnNodeModulesWatcherChanged;
-                _nodeModulesWatcher.Deleted += OnNodeModulesWatcherChanged;
-
-                RestartFileSystemWatcherTimer();
-            } catch (Exception ex) {
-                if (_nodeModulesWatcher != null) {
-                    _nodeModulesWatcher.Dispose();
-                }
-
-                if (ex is IOException || ex is ArgumentException) {
-                    Debug.WriteLine("Error starting FileWatcher:\r\n{0}", ex);
-                } else {
-                    throw;
-                }
-            }
-        }
-
         private void OnIdleNodeModules(object state) {
             lock (_idleNodeModulesLock) {
                 _isIdleNodeModules = true;
@@ -128,18 +97,12 @@ private void OnIdleNodeModules(object state) {
             }
         }
 
-        private void OnNodeModulesWatcherChanged(object sender, FileSystemEventArgs e) {
-            try {
-                var extension = Path.GetExtension(e.FullPath);
-                if (e.FullPath.Contains(NodejsConstants.NodeModulesFolder) && _watcherExtensions.Any(extension.Equals)) {
-                    RestartFileSystemWatcherTimer();
-                }
-            } catch (ArgumentException) {
-                // Occurs for invalid characters in the filepath. Don't bother restarting the idle timer.
-            }
+        internal void EnqueueForDelayedAnalysis(NodejsFileNode fileNode) {
+            DelayedAnalysisQueue.Enqueue(fileNode);
+            RestartIdleNodeModulesTimer();
         }
 
-        private void RestartFileSystemWatcherTimer() {
+        private void RestartIdleNodeModulesTimer() {
             lock (_idleNodeModulesLock) {
                 _isIdleNodeModules = false;
 
@@ -694,7 +657,7 @@ protected internal override void ProcessReferences() {
             if (null == ModulesNode) {
                 ModulesNode = new NodeModulesNode(this);
                 AddChild(ModulesNode);
-                CreateIdleNodeModulesWatcher();
+                _idleNodeModulesTimer = new Timer(OnIdleNodeModules);
             }
         }
 
@@ -984,11 +947,6 @@ protected override void Dispose(bool disposing) {
                         _idleNodeModulesTimer.Dispose();
                     }
                     _idleNodeModulesTimer = null;
-
-                    // Unsubscribe event handlers that trigger _idleNodeModulesTimer.
-                    _nodeModulesWatcher.Changed -= OnNodeModulesWatcherChanged;
-                    _nodeModulesWatcher.Created -= OnNodeModulesWatcherChanged;
-                    _nodeModulesWatcher.Deleted -= OnNodeModulesWatcherChanged;
                 }
 
                 NodejsPackage.Instance.IntellisenseOptionsPage.SaveToDiskChanged -= IntellisenseOptionsPageSaveToDiskChanged;