@nabog, Thank you for using NTVS and your continued contributions to make it better. As Ptools stated the .dat file is generated when analysis is on. On is the default so you'll see a .dat file in most projects. Unless you've changed the default you will see a .dat file generated for each project. Its safe to delete the file however we will write it again as we detect changes in analysis. You can change this behavior by turning off analysis, tools->options->Text Editor->Node.js->IntelliSense. Setting the value to Off will stop analysis and in turn prevent us from writing the .dat file.
In the next release we are working to address the size of these files and provide mechanisms to disable saving them. The issue is tracked in, https://nodejstools.codeplex.com/workitem/1303
In the next release we are working to address the size of these files and provide mechanisms to disable saving them. The issue is tracked in, https://nodejstools.codeplex.com/workitem/1303
