Gruntfile.js wrapper and configuration

Gruntfile.js implements the module pattern that injects the grunt object into its callback function. It is described as a wrapper as it effectively wraps all of the code that will make up the module. Additionally, Gruntfile.js includes all of the configuration for each plugin that is going to be included within. The following sections describe the wrapper and configuration sections of Gruntfile.js.

Wrapper

The wrapper function contains all of the Grunt-related code within its body. Recall the example from Chapter 4, Configuration of Grunt Tasks:

module.exports = function(grunt) {
  // grunt related code
};

The module.exports function encapsulates the code within to create an object with properties; in this case, we refer to it as a module. The module.exports function is set equal to a function that takes the Grunt object as its argument. Without the module.exports function or the anonymous function, which takes the grunt object as a parameter, none of the...