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.
42 articles from this blog
neotraverse 1.0 is a zero-dependency, TypeScript-first library for walking and transforming object trees, now with a functional API and ~50 helpers.
Introduces aibind, an advanced AI toolkit for SvelteKit that extends the Vercel AI SDK with features like branching chat, durable streams, and structured output.
A tutorial on building a reactive interval utility in Svelte 5 that automatically adapts to state changes without manual cleanup.
Analyzes Svelte 5's reactivity, debunking its 'magic' by comparing its explicit signals to Svelte 4's compiler-based 'magic'.
Announcing Neodrag v3 Alpha, a complete rewrite of the JavaScript drag-and-drop library for major frameworks, focusing on performance and extensibility.
A developer details how a Svelte Summit talk inspired them to overhaul their flawed testing architecture for a drag-and-drop library, dramatically improving reliability.
A developer shares a type-safe persistence utility and auto-theming system built with Svelte 5 runes and Zod for robust local storage and theming.
A developer explains the exhaustive bundle size analysis of 16,384 plugin combinations for the modular drag-and-drop library neodrag v3.
The author announces Neodrag v3, a cross-framework drag-and-drop library, discussing its origins, motivations for the update, and future goals.
Analysis of the traverse npm package's bloat and the creation of neotraverse, a zero-dependency fork to address the issue.
Compares performance of TypeScript's `private` properties vs JavaScript's `#` private fields, concluding there's no practical difference.
A developer details their journey recreating macOS Big Sur's UI for the web, comparing performance and bundle sizes between React and Svelte implementations.
A JavaScript developer shares their personal experience and first impressions of learning the Go programming language, comparing it to their favorite language.
A guide to enabling TypeScript intellisense for CSS Modules in VSCode using a specific npm plugin, without needing extensions.
A deep dive into the Preact JavaScript library's source code, analyzing its architecture, TypeScript usage, and code efficiency.
A developer explains their reasons for switching from Styled Components to SCSS Modules for styling in React applications.
A tutorial on recreating the interactive macOS Dock animation using Svelte, Popmotion, and Vite in under 100 lines of code.
An advanced guide showcasing powerful built-in TypeScript utility types like Pick, Partial, Readonly, and Record to improve code quality.
A developer shares their quick experience migrating a medium-sized React app to Preact using Vite in under 10 minutes.
Explains a TypeScript type inference issue when custom React hooks return arrays and provides two solutions using tuples or 'as const'.
