Grunt

                      Grunt : The JavaScript Task Runner     

•  Is a task-based command line build tool for java script projects which makes performing repetitive, but necessary, task trivial
•  Java script based build tool

    Use

•      Validating html/CSS/JavaScript
•      Minify CSS/ JavaScript code
•      Compile CoffeeScript/ TypeScript
•      Compile Less file into CSS
•      Run unit test case

These are the files which are used in grunt
Package.JSON: Metadata file which describes your project

Gruntfile.js : File used to configure or define GRUNT tasks

Install and configure Grunt

• Install Node.js - http://nodejs.org/
• Install Node PM --https://npmjs.org/ (If you install node then npm would automatically be installed)
• Install the GRUNT cli  npm install -g grunt-cli
• Install GRUNT to your local directory npm install grunt --save--dev

Ex of using grunt file to clean files and folder

1. Install external dependency file                                                                                                     npm install grunt-contrib-clean --save-d After successful installation of external files would automatically update the project.Json file as shown below

2.Create grunt.js file

 3. Create a folder named CleanFiles.Add/Create files inside this folder

  4. Run the grunt command in the task manager.
      grunt default -v ;
  grunt: is the grun task
  Default :is the name of the task which needs to be run.
-v : Specifies run this in verbose mode. It would show all the outputs as shown below    

 5. Verify the folder
Note: The files has been removed by the grunt task

   

 







Summary
This is an simple example how we can use grunt.