task that wont debug

gulpfile.js

var gulp = require('gulp');
var $ = require('gulp-load-plugins')({ lazy: true });

gulp.task('serve-dev', function () {
    log(process.argv);
    var nodeOptions = {
        script: './src/server/app.js',
        delayTime: 1,
        env: {
            'PORT': 8001,
            'NODE_ENV': 'dev'
        },
        watch: ['./src/server/'],
        nodeArgs: ['--debug=5858']
    };

    return $.nodemon(nodeOptions);
});

function log(msg) {
    if (typeof(msg) === 'object') {
        for (var item in msg) {
            if (msg.hasOwnProperty(item)) {
                $.util.log($.util.colors.blue(msg[item]));
            }
        }
    } else {
        $.util.log($.util.colors.blue(msg));
    }
}

module.exports = gulp;

launch.json

{
	"version": "1.0",
	"configurations": [
		{
			"name": "Launch app.ts",
			"type": "node",
			"program": "src/server/app.ts",
			"stopOnEntry": true,
			"arguments": null,
			"workingDirectory": ".",
			"runtimeExecutable": null,
			"env": { },
			"sourceMaps": true
		}, 
		{
			"name": "Attach",
			"type": "node",
			"address": "localhost",
			"port": 5858,
			"sourceMaps": true
		},
		{
			"name": "Launch app.js",
			"type": "node",
			"program": "src/server/app.js",
			"stopOnEntry": true,
			"arguments": null,
			"workingDirectory": ".",
			"runtimeExecutable": null,
			"env": { }
		}
	]
}

tasks.json

{
    "version": "0.1.0",
    "command": "gulp",
    "isShellCommand": true,
    "args": [
        "--no-color"
    ],
    "tasks": [
        {
            "taskName": "serve-dev-debug",
            "args": [
                "serve-dev", 
                "--debug"
            ],
            "suppressTaskName": true,
            "isWatching": false,
            "problemMatcher": [
                "$lessCompile",
                "$tsc",
                "$jshint-stylish"
            ]
        },{
            "taskName": "ts-compile",
            "problemMatcher": "$tsc"
        },{
            "taskName": "ts-compile-client",
            "problemMatcher": "$tsc"
        },{
            "taskName": "ts-compile-server",
            "problemMatcher": "$tsc"
        },{
            "taskName": "test",
            "args": [],
            "isTestCommand": true
        }
    ]
}