Puru Vijay is a full-stack web developer from India with 10+ years of experience, focused on building blazing-fast, highly performant web applications, with deep expertise in Svelte, modern testing, and frontend architecture.
41 articles from this blog
A developer's enthusiastic personal reflection on the benefits and joys of using TypeScript for JavaScript development.
Explains the evolution from callbacks to Promises and async/await in NodeJS for cleaner asynchronous code.
A quick Node.js tutorial showing how to create a folder only if it doesn't exist, using just 3 lines of code with no external dependencies.
A tutorial on using async/await with Node.js fs.promises to read, process, and write files, replacing callback patterns for cleaner, sequential code.
Explains the benefits and usage of Top-Level Await in JavaScript, comparing it to older IIFE patterns and detailing browser/Node.js requirements.
A guide for students on how to apply for the GitHub Student Developer Pack to access free tools, GitHub Pro, and other valuable perks.
A guide to setting up Prettier for automatic code formatting in VSCode, covering both the extension and CLI.
A guide on cleaning up unwanted commits from previous pull requests to keep your git history clean when contributing to open source projects.
Explains why using async/await with Array.map() returns Promises and how to properly handle chained async operations with Promise.all or for loops.
A guide to simplifying asynchronous JavaScript code by creating a promisified version of setTimeout for cleaner, more readable sequences.
A developer explains how to split an array into chunks to parallelize tasks, using a JavaScript function to improve performance in web scraping.
A technical guide on automating GIF to MP4 conversion for web performance using Node.js and the FFmpeg library.
A developer explains the importance of image optimization for performance and cost, and details their journey to automate it using incremental builds.
A technical guide on building a blog using Markdown, frontmatter for metadata, and NPM packages like markdown-it for HTML conversion.
A developer explains the design philosophy and technical requirements behind their personal website, including the choice of StencilJS and Vercel.
Explains the security and performance risks of using target=_blank links without rel="noopener" and provides the simple fix.
An introduction to Web Workers, explaining how they enable multithreading in JavaScript to prevent UI blocking, with basic usage examples.
A guide to efficiently loading Google Fonts using resource hints, respecting users' data plans by conditionally loading fonts based on Data Saver settings.
A tutorial on detecting route change events in StencilJS using the built-in router without external dependencies.
Explains a critical issue with Stencil Helmet during prerendering and the simple fix of keeping a title tag in index.html.
