Kunjan Dhungana Self-taught software engineer from Nepal writing about TypeScript, runtimes, developer tooling, and maintainable systems. 2026-05-24T00:00:00.000Z https://twlite.dev/blogs I added `sfw` to my package manager commands after the recent npm supply chain mess https://twlite.dev/blogs/I-added-sfw-to-my-package-manager-commands-after-the-recent-npm-supply-chain-mess 2026-05-24T00:00:00.000Z 2026-05-24T00:00:00.000Z A small setup I added after recent npm supply chain attacks made me realize how casually we execute untrusted install-time code on our machines. Kunjan Dhungana Using Bitfields for Permissions and Feature Flags https://twlite.dev/blogs/bitfields-permissions-feature-flags 2025-09-03T00:00:00.000Z 2025-09-03T00:00:00.000Z Learn how to use bitfields for efficient permission systems and feature flags with TypeScript Kunjan Dhungana Building Recommendation Systems with Collaborative Filtering https://twlite.dev/blogs/collaborative-filtering-recommendation-systems 2025-08-26T00:00:00.000Z 2025-08-26T00:00:00.000Z Learn the basics of collaborative filtering and implement simple recommendation systems using TypeScript Kunjan Dhungana Understanding Next.js after() function and implementing it in Express.js https://twlite.dev/blogs/implementing-nextjs-after-function 2025-08-26T00:00:00.000Z 2025-08-26T00:00:00.000Z Learn how Next.js after() function works and how to implement a similar pattern in Express.js applications Kunjan Dhungana Automated Audit Trail in Prisma with AsyncLocalStorage https://twlite.dev/blogs/prisma-automated-audit-trail 2025-08-26T00:00:00.000Z 2025-08-26T00:00:00.000Z Learn how to implement automated audit trails in Prisma using AsyncLocalStorage for user identification and automatic logging of CUD operations Kunjan Dhungana Understanding and Implementing Next.js "use cache" Directive: A Deep Dive https://twlite.dev/blogs/how-does-nextjs-use-cache-work 2025-05-19T00:00:00.000Z 2025-05-19T00:00:00.000Z A comprehensive guide to understanding how the "use cache" directive in Next.js works, with a step-by-step implementation from scratch. Kunjan Dhungana