Components will improve maintainability, reduce complexity, and accelerate testi

Posted by David DM on October 6th, 2018

The use of the parts approach in Rails will improve maintainability, reduce complexity, and accelerate testing in massive Rails applications.

In preparation for making your 1st component-based Rails application (CBRA) app, you ought to make sure that your system is up thus far with respect to Ruby and Rails. I recommend mistreatment the most recent printed versions of each Ruby and also the Rails gems. The approach I even have my system discovered, mistreatment the Ruby Version Manager (RVM), are some things just like the following:

Install rvm, bundler, and rails.

Execute anywhere $ rvm get stable

$ rvm install 2.4.2

$ gem install bundler -v '1.15.4'

$ gem install rails -v '5.1.4'

Throughout this book, it takes advantage of the instance of the Sports ball app. clearly from the realm of sports, this app can permit you to store and manage groups and games, and analyse performance. the appliance can persuade be straightforward. it's straightforward enough that it doesn't overwhelm the reasons of the book with specific domain information. it'll generally feel too straightforward, as a result of the overhead from componentization can now and then so much outweigh the advantages you'll be able to reap in such a tiny low domain. In those cases, i will be able to discuss that together with the various topic.

All references to directories are relative to the basis of the Sports ball application. during this spirit, conjointly refers to the basis of the app.

Commands that are to be typewritten in are prefixed with a $ sign. The various code listing specifies during which directory to execute the command. For this chapter, solely the commands and ASCII text file changes to be dead are thoroughgoing, which means you merely would like the book. to try to identical for the following chapters would make noise the particular topics with an excessive amount of noise. For all chapters, please talk over with the ASCII text file accessible for this book. The ASCII text file is organized chapter by chapter and contains a whole list of commands and changes.

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