If you‘ve ever tried your hand at building a simple calculator in JavaScript, you may have quickly run into an issue – operator precedence. Consider an expression like: 1 + 2 * 3 A naive approach of simply evaluating the operators from left to right would produce 9 (1 + 2 is 3, then 3…
Logging is one of the most important yet often overlooked aspects of building robust software systems. When done well, logging provides invaluable diagnostic information for troubleshooting issues, auditing user actions, and gaining visibility into an application‘s behavior. However, many developers treat logging as an afterthought, littering their code with ad hoc print statements. In this…
As a seasoned full-stack developer, I‘ve worked with countless programming languages, frameworks, and tools over the years. One thing that never ceases to amaze me is the sheer volume of strange and wonderful jargon we developers use on a daily basis. From "garbage collection" to "syntactic sugar", the world of code is full of terms…
Transpilation, the process of converting source code from one version of a language to another, has become a ubiquitous part of the modern JavaScript development workflow. For years, tools like Babel, TypeScript, and PostCSS have allowed developers to leverage new syntax and language features while still supporting older browsers. But in a rapidly evolving web…
React Router is the 800-pound gorilla of routing in the React ecosystem. According to the State of JavaScript 2019 survey, 63% of React developers use React Router for client-side routing. It‘s a powerful, feature-rich library that can handle even the most complex routing requirements. However, not every React app needs the full power of React…
JavaScript is the language of the web. According to the 2020 Stack Overflow Developer Survey, it‘s the most commonly used programming language, with 67.7% of respondents reporting that they use it extensively. If you‘re a web developer, you probably write JavaScript code every day. But how well do you really know JavaScript? Sure, you might…
As a seasoned full-stack developer with a passion for exploring cutting-edge technologies, I found myself captivated by the allure of serverless computing. The promise of effortless scalability, reduced operational overhead, and pay-per-use pricing made it an irresistible proposition. Eager to dive in, I embarked on a project to build a web application using Netlify Lambda…
As a full-stack developer who has worked extensively in both dynamically and statically typed languages, I‘ve come to appreciate the power and importance of type systems. While it‘s possible to write good software without static types, I believe that leveraging the capabilities of a strong type system can make you a more effective programmer and…
Generators are a powerful but often overlooked feature in JavaScript. They provide a unique way to define functions that can be paused and resumed, enabling lazy evaluation of values and the creation of custom iterators. In this comprehensive guide, we‘ll dive deep into the world of generator functions, exploring their anatomy, mechanics, and real-world applications….
If you‘ve been following my series on utility functions made with JavaScript‘s reduce method, you know how powerful and versatile this functional programming technique can be. In part one, we covered essentials like map, filter, find, and some. Part two introduced more advanced functions like partition, pluck, and zip. Now we‘re back with another installment,…
Command-line applications (CLIs) have been a staple in the developer toolbox for decades. They provide a powerful and efficient way to interact with systems, automate tasks, and build utilities. With the rise of Node.js, creating cross-platform CLI apps has become more accessible and enjoyable than ever before. In this comprehensive guide, we‘ll dive deep into…
Building rich command-line interfaces (CLIs) used to involve a lot of manual setup and boilerplate code. But thanks to fantastic open source tools like the Open CLI Framework (OCLIF) from Salesforce and Microsoft‘s TypeScript language, you can now create powerful CLIs faster than ever before. In this tutorial, we‘ll leverage OCLIF and TypeScript to build…