Gradual Modularization for Ruby and Rails
Gradual Modularization for Ruby and Rails
Improve collaboration, system design, and flexibility
About the Book
For the longest time, Ruby and Rails developers had gems and engines as their main tools for creating structure to manage large-scale structures within their applications. This book is about a new tool in their toolbelt: packages.
Based on the work on packwerk by Shopify packages allow a much more fluid move to modularization then components ever did. The effects are astounding: discussions about where to draw boundaries can be far less technical and focus more on the business because the underlying technology gets out of the way.
The concept underlying this is gradual modularization, which the author expects we will see spread into other languages and frameworks over the coming years. Why? Because gradual modularization allows for a not-before seen level of approachability and flexibility to modularization work. Work that required difficult decisions that were hard to reverse changes. Those decisions are now the extreme points on a spectrum of options where the right thing for the team can be somewhere in between.
About the Author
Table of Contents
- 1 Acknowledgments
-
2 Introduction to Package-based Rails Applications
- 2.1 The inescapable challenges with components
- 2.2 Component-based Challenges
-
3 Getting started with packaging in a Rails application
- 3.1 Let’s get started
- 3.2 From one to many packages
- 3.3 Accepting the intended dependencies - explicitly adding package dependencies
- 3.4 Removing the circular dependencies - creating rails_shims package
- 3.5 Analyzing and removing root dependencies (almost) - Aligning app and test code
- 3.6 Removing all dependencies from root
- 3.7 Recapping differences and similarities to CBRA
-
4 Gradual Modularization: A New Model for Application Composition
- 4.1 Gradual Typing as a Role Model
- 4.2 Commonalities of previous modularization approaches
- 4.3 Gradularity - Modularization Game Changer
- Notes
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