Modern JavaScript Tooling Explained: npm, npx, pnpm, Yarn & Bun

🧠 Introduction (Context Setting) Modern JavaScript development is no longer just about writing code—it’s about managing an ecosystem of dependencies, tools, and workflows. At the center of this ecosystem are package managers like npm, Yarn, and pnpm, along with newer entrants like Bun. These tools define how you: Install libraries Manage dependencies Execute scripts Optimize performance and disk usage As the ecosystem evolved, so did the tooling: npm established the foundation as the default pa