From code snippets, git versions to formatting, refactoring to REST APIs, database — we’ve got it all in one extension — Visual Studio Code is a great code editor that comes with JavaScript and TypeScript features like basic refactoring out of the box. However, its true strength is an outstanding extension marketplace. There are extensions for almost anything you might want to do in an IDE (Integrated Development Environment), and they…

Top-level await, RegExp, and more — JavaScript evolves quickly. In 2021, several proposals have moved to Stage 4 of the TC39 process and will be included in ES2022. They add the following features to JavaScript: Classes and Instances Private instance fields, methods, and accessors Existence checks for private fields Public static class fields Private static class fields and methods …

Strategies to reflect on work — A team retrospective is a meeting at the end of a sprint, project, or milestone where the team reflects on the past work cycle and identifies improvements. It involves celebrating achievements to raise the team spirit, gathering feedback on challenges, and planning how to execute better in upcoming sprints or…

Since February, the P42 JavaScript Assistant for Visual Studio Code has grown considerably and contains over 90 code assists and refactorings. The user interface has been improved based on feedback, and the JavaScript Assistant now supports Vue.js. Here are the details: Vue.js Support (P42 Pro) You can now use code assists, refactorings, and suggestions…

Here’s a better alternative — In JavaScript code, especially in older legacy code, you sometimes find the expression void 0. The void operator evaluates an expression and returns the primitive value undefined. void 0 evaluates 0, which does nothing, and then returns undefined. It is effectively an alias for undefined. Why is void 0 used as an alias for undefined? One of JavaScript’s quirks is…

The optional chaining operator .? returns the value of an object property when the object is available and undefined otherwise. It is similar to the standard . chaining operator, with an added check if the object is defined (i.e., not nullish). The optional chaining operator lets you write concise and…

There have been many changes to the P42 JavaScript Assistant for Visual Studio Code in January 2022: User Interface Suggestions Sidebar Panel The P42 sidebar now contains a panel with refactoring suggestions for the content of the currently active editor. You can get more details on the suggestions and apply them directly from the panel…

JavaScript has many quirks and difficult-to-understand behaviors. There are hilarious talks such as WTFJS and WAT that make fun of JavaScript for its strangeness. Since I work on refactorings, I have to consider many weird and sometimes funny sides of JavaScript. I will share some of the surprising behaviors that…

When programming, we often edit text directly to achieve our goals. Such manual editing can be slow and error-prone. For behavior-preserving changes (refactorings), automation can save you time, ensure the transformation is executed correctly, and warn about potential breakages. You can communicate your intention, e.g., “I want to extract this…