
The Great Migration: CJS to ESM in the npm 2026
The CJS to ESM migration in the npm ecosystem in 2026. Which major packages went ESM-only, common migration issues, and how to handle CJS/ESM interop today.
Data-driven explainers for npm trends, package comparisons, bundle optimization, maintenance risk, and developer-tooling decisions.
One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.

The CJS to ESM migration in the npm ecosystem in 2026. Which major packages went ESM-only, common migration issues, and how to handle CJS/ESM interop today.

happy-dom runs 2-4x faster than jsdom in Vitest. See real benchmarks, DOM API compatibility gaps, and a migration checklist for switching test environments.

npm dependencies cost more than bundle size — maintenance, security audits, update churn, and licensing all add up. How to calculate the true cost in 2026.

Hono.js in 2026: the edge framework replacing Express. Runs on Cloudflare Workers, Deno, Bun with 20M weekly downloads, typed routes, and tiny bundle size.

Hono handles 200K+ req/s on Bun. Elysia adds Eden Treaty for end-to-end types. Compare performance, DX, and runtime support to choose the right Bun framework.

Hono vs ElysiaJS vs Nitro compared on runtime support, TypeScript safety, performance, and DX. Which lightweight JavaScript backend framework wins in 2026?

Both Hono and itty-router are built for edge runtimes like Cloudflare Workers. Compare their bundle sizes, DX, TypeScript support, and when to choose each.

Hono vs itty-router vs worktop for Cloudflare Workers in 2026. Bundle size, TypeScript, middleware ecosystem, and which edge router to pick for your APIs.

AI coding assistants in 2026 are reshaping npm package selection. Which packages get recommended by Claude, ChatGPT, and GitHub Copilot — and why it matters.

GitHub stars are one of the most misleading signals for npm quality. The data on star inflation, abandoned packages, and what actually predicts package health.

Package health scores cut through download counts and GitHub stars to surface what matters: maintenance activity, security posture, and momentum in 2026.

How frequently do npm packages actually get updates in 2026? Data on release cadence by category, security patch speed, and how to automate staying current.

Do popular npm packages have bigger bundle sizes? The data on the popularity-to-size relationship in 2026, and what it means for choosing between alternatives.

React Server Components reshaped Next.js, Remix, and the broader JavaScript ecosystem. The 2026 impact on routing, data fetching, and npm package compatibility.

The complete 2026 guide to React authentication. Clerk, Auth.js, Lucia, and rolling your own. Session vs JWT, when to use a service vs self-host, and.

Implement dark mode in React with CSS variables, Tailwind, and next-themes. System preference detection, user toggle, and avoiding flash of unstyled content.