14 Jul '12, 7pm

But how did anyone generate generators before there was a generator generator?

Looking at this output, it’s easy to understand how generators work in Rails 3.0 and above. The scaffold generator doesn’t actually generate anything, it just invokes others to do the work. This allows us to add/replace/remove any of those invocations. For instance, the scaffold generator invokes the scaffold_controller generator, which invokes erb, test_unit and helper generators. Since each generator has a single responsibility, they are easy to reuse, avoiding code duplication.

Full article: http://guides.rubyonrails.org/generators.html#creating-ge...

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