要在调试中运行grunt，您需要将grunt脚本显式传递给节点：

  node-debug $（which grunt）任务
 

并放置一个调试器; 在你的任务中。 node-inspector 然后打开一个带有调试工具的浏览器。

编辑2014年2月28日

node-inspector 添加了命令 node-debug 一个 - debug 状态，并将浏览器打开到节点检查器页面，当它访问第一个 debugger 行或设置断点。

编辑2015年1月30日

Does someone used node-inspector with Grunt for application debugging? If not, Can you recommend a debugging tool for Grunt based apps?

I'm working with nodejs for a server side app and I have Grunt to use separated tasks (this is because users can execute tasks separately).

Thanks in advance

To run grunt in debug, you need to pass the grunt script to node explicitly:

node-debug $(which grunt) task

and put a debugger; line in your task. node-inspector will then open a browser with debugging tools.

Edit 28 Feb 2014

node-inspector has added the command node-debug, which launches node in a --debug state and opens the browser to the node-inspector page, stopping when it hits the first debugger line or set breakpoint.

Edit 30 January 2015

On Windows, things are a touch more complicated. See the answer from @e.gluhotorenko for instructions.