- #Uncle bob single responsibility principle software#
- #Uncle bob single responsibility principle code#
"A class or function should only have one reason to change." So let's go through em! S: Single Responsibilty Principle
#Uncle bob single responsibility principle code#
write code that allows for implementations to be swapped out (think swapping out Email APIs, ORMs or web server frameworks).write code that separates the policy (rules) from the details (implementation).write code that can be adjusted and extended quickly without producing bugs.write code that can be adjusted and extended quickly.write code where classes narrowly do what they were intended to do.write code where things are where they're expected to be.If you ask me, the primary benefits of becoming well acquainted with the SOLID principles are that you'll learn how to: The SOLID principles are a mnemonic acronym that were popularized by Robert C.
#Uncle bob single responsibility principle software#
The SOLID principles are a set of software design principles that teach us how we can structure our functions and classes in order to be as robust, maintainable and flexible as possible. I think the answer is Uncle Bob's SOLID Principles. So today, I'm here to bring awareness on the subject of design to JavaScript developers who won't tolerate the thought of writing another flimsy Node.js backend. The learning roadmap for JavaScript developers can be a lot less streamlined than it can be for Java and C# developers. JavaScript developers have a lot on their plates to figure out as is (browsers, transpilation, build tools, and now TypeScript). Not to mention, it's pretty challenging to enter the JavaScript world these days. Why should we? After we achieve dexterity with a programming language, we focus our efforts on fighting undefined errors, what this means and several other annoying things.
When we first start out coding, we often have little regard for software design. I started learning TypeScript and studying software design. Iterations and incremental improvements are what agile is all about.Įventually, I got tired of pushing out bugs to users and getting stuck in messes that I made myself. In 180k-line JavaScript projects, I found it hard to iterate fast. I should have changed it to "if I get enough time to do it, I can hack it together and make anything work ". It's just brute force, really.īut adding features to existing code? Making it work the second time, the third time and the fourth time? Multiple iterations on something can be hard to do without introducing bugs. I realized that making things work the first time was easy. My initial approach to writing code was that "if I get enough time to do it, I can hack it together and make it work". So if we're writing code, we need to write code that can be changed. If what you've written in the past doesn't suit your needs today, it can be expensive to change. Writing code can be like pouring concrete. This article is part of Solid Book - The Software Design & Architecture Handbook w/ TypeScript + Node.js.
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