An example of how to setup a Visual Studio Code Tasks.son file with a current working directory set. Useful if your gulp file is nested in a src folder.

visual_studio_code_tasks_example.json

{
    "version": "0.1.0",
    "command": "gulp",
    "isShellCommand": true,
    "options": {
        "cwd": "${workspaceRoot}/src/MyProject"
    },
    "tasks": [
        {
            "taskName": "dnu-build",
            "isBuildCommand": true,
            "showOutput": "always",
            "isWatching": true
        }
    ]
}