Now, say you don’t know how to create Gruntfile.js manually just like I was. You’re desperately want to use Compass (grunt-contrib-compass) and Watch (grunt-contrib-watch) to develop your project. First, you have to install it in your project folder as node_modules:
$ npm install grunt-contrib-compass grunt-contrib-watch
That will install the Compass and Watch into node_modules directory in your project folder. Yes, it’s installed locally.
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