When dealing with object-oriented design, it is all too easy to fixate on the objects themselves. In a way, the objects are highly visible and very tangible. The problem with this fixation is that there is an equally important, but harder to visualise partner to all of these objects, and that is the relationships. I […]
Writing clean code is what you must do in order to call yourself a professional. There is no reasonable excuse for doing anything less than your best. So says the title page of Clean Code – before even a foreword or introduction. If you are object-oriented programmer you will have heard of Uncle Bob’s book, […]
If you have an object in your code, and that object has some kind of measurement, you might well have done this: class Desk { constructor( public width: number, public depth: number, public height: number ) {} } But this will almost certainly lead to some issues… for example, you store your values as centimeters […]
When I was invited to write Pro TypeScript for Apress, the pitch I prepared with my ace Editor, Gwenan, included a unique selling point. That USP was to go beyond the normal syntactical lessons of how to write various expressions using the programming language and talk in reasonable detail about how to apply some design […]
I had a great discussion with a friend on the kind of things that can act as early indicators of bad code design in an object oriented program and I was surprised at how different our views were on this topic. I routinely get alerted to problems in code design by certain patterns that, while […]