can't run Gruntfile.js

[zeinabnasser01]

Loading "Gruntfile.js" tasks...ERROR

ReferenceError: grunt is not defined

[shama]

Could you supply more information? What does your Gruntfile.js look like? What does your package.json look like? Try running grunt --stack to get more information on where the error originates.

Also double check the steps in the getting started guide: https://gruntjs.com/getting-started

[zeinabnasser01]

I did every step commend from grunt doc
my Terminal showed this..
$ grunt --stack
Loading "Gruntfile.js" tasks...ERROR

ReferenceError: grunt is not defined
Warning: Task "default" not found. Use --force to continue.
Error: Task "default" not found.
at Task.run (\node_modules\grunt\lib\util\task.js:172:28)
at \node_modules\grunt\lib\grunt.js:152:39
at Array.forEach (:null:null)
at Object.grunt.tasks (\node_modules\grunt\lib\grunt.js:152:9)
at Liftoff. (\AppData\Roaming\npm\node_modules\grunt-cli\bin\grunt:66:13)
at Liftoff.execute (\AppData\Roaming\npm\node_modules\grunt-cli\node_modules\liftoff\index.js:203:12)
at module.exports (\AppData\Roaming\npm\node_modules\grunt-cli\node_modules\flagged-respawn\index.js:51:3)
at Liftoff. (\AppData\Roaming\npm\node_modules\grunt-cli\node_modules\liftoff\index.js:195:5)
at Liftoff. (\AppData\Roaming\npm\node_modules\grunt-cli\node_modules\liftoff\index.js:170:7)
at _combinedTickCallback (internal/process/next_tick.js:132:7)
at process._tickCallback (internal/process/next_tick.js:181:9)

Aborted due to warnings.

[shama]

What does your Gruntfile.js look like?