<ul data-eligibleForWebStory="true">This article delves into the software principles of KISS, DRY, and YAGNI, providing practical TypeScript examples to demonstrate their implementation.KISS simplifies logic by making it easier to read and extend, such as utilizing switch statements over conditionals.DRY emphasizes reducing redundancy in code to enhance maintainability and accelerate development processes.YAGNI advises against preemptive feature-building, advocating for developing only when necessary to prevent overengineering.