launch.json

{
	"version": "0.1.0",
	// List of configurations. Add new configurations or edit existing ones.
	"configurations": [
		{
			// Name of configuration; appears in the launch configuration drop down menu.
			"name": "Launch server.js",
			// Type of configuration.
			"type": "node",
			// Workspace relative or absolute path to the program.
			"program": "${workspaceRoot}/bin/www",
			// Automatically stop program after launch.
			"stopOnEntry": false,
			// Command line arguments passed to the program.
			"args": [],
			// Workspace relative or absolute path to the working directory of the program being debugged. Default is the current workspace.
			"cwd": "${workspaceRoot}/.",
			// Workspace relative or absolute path to the runtime executable to be used. Default is the runtime executable on the PATH.
			"runtimeExecutable": null,
			// Optional arguments passed to the runtime executable.
			"runtimeArgs": ["--nolazy"],
			// Environment variables passed to the program.
			"env": {
				"NODE_ENV": "development"
			},
			// Use JavaScript source maps (if they exist).
			"sourceMaps": false,
			// If JavaScript source maps are enabled, the generated code is expected in this directory.
			"outDir": null
		},
        {
            // Name of configuration; appears in the launch configuration drop down menu.
            "name": "Mocha",
            // Type of configuration. Possible values: "node", "mono".
            "type": "node",
            // Workspace relative or absolute path to the program.
            "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
            // Automatically stop program after launch.
            "stopOnEntry": false,
            // Command line arguments passed to the program.
            "args": ["test/node/**/*.js"],
            // Workspace relative or absolute path to the working directory of the program being debugged. Default is the current workspace.
            "cwd": "${workspaceRoot}/.",
            // Workspace relative or absolute path to the runtime executable to be used. Default is the runtime executable on the PATH.
            "runtimeExecutable": null,
            // Optional arguments passed to the runtime executable.
            "runtimeArgs": ["--nolazy"],
            // Environment variables passed to the program.
            "env": {
                "NODE_ENV": "development"
            }
        },
		{
			"name": "Attach",
			"type": "node",
			// TCP/IP address. Default is "localhost".
			"address": "localhost",
			// Port to attach to.
			"port": 5858,
			"sourceMaps": false
		}
	]
}