Mastering Grunt (Video 23)

This video tutorial explores how to parameterize a Gruntfile using JavaScript variables and Grunt's template mechanism. It demonstrates moving variables into a configuration object and using search and replace template syntax. The tutorial also covers loading variables from an external JSON configuration file, highlighting the benefits of improved maintenance and reduced errors. Finally, it previews the next video, which will delve into Grunt's operation within a Node.js and NPM environment.

Explain how external configuration files can improve maintenance in Grunt.

What benefits do template variables provide when using Grunt?