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<Scaling A JavaScript Codebase ⁄ >

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This is a story about how my team learnt to scale our JavaScript code. I hope the examples here will give confidence to developers that need to build a large JavaScript codebase but are unsure how to do so.

The Big Ball of Mud

In the beginning we only had one file, which was called ui.js. It followed the popular big ball of mud pattern. But a codebase with no abstractions cannot scale. We needed more abstractions. We had read about encapsulation and modularisation, but it wasn't immediately obvious how apply these ideas.

Over time we learnt how to apply these ideas and mixed them with ideas commonly found in Java code bases like dependency injection and composition. We moved away from the big ball of mud to having a lot of abstractions with a uniform structure. It all began with the namespace.

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