This probably only works if you're using a transpiler transform in the browserify pipeline. (instead of running browserify on an already-transpiled codebase)
I like that you're focusing so heavily on commonjs+browserify. We've made the switch for new projects as well. I'm curious as to why you advocate wildemitter over browserify's client side port of EventEmitter? Is it a lot lighter?
Just pass {debug: true} to build function.