It was a typical Wednesday afternoon in the bustling metropolis of New Troy. The sun was hidden behind a veil of clouds, casting a gloomy shadow over the city streets. Amidst this ordinary backdrop, two packages were about to embark on very different journeys.

The first package, a small, unassuming box wrapped in brown paper and twine, contained a handmade ceramic mug meant for Emily, a freelance writer living on the outskirts of New Troy. This package was entrusted to "P2P Express," a revolutionary package delivery service that utilized a network of local, volunteer couriers. These weren't your average delivery personnel; they were everyday people who had signed up to help move packages across the city, making deliveries not just efficient but also fostering a sense of community.

The second package, a sleek, padded box with a state-of-the-art smartwatch inside, was destined for Alex, a tech enthusiast in the city center. This package was sent via "QuickDrop," a traditional, well-known delivery service famed for its speed and reliability.

As the packages began their journey, a stark contrast became apparent. The P2P Express package was picked up by a friendly local, Maria, who was on her way to run errands. She scanned the package with her smartphone, confirming it was ready for transport. Maria chatted with the sender, ensuring she understood the importance of delivering the mug safely. With a smile, she tucked the package into her bag and set off towards Emily's neighborhood.

Meanwhile, the QuickDrop package was whisked away to a nearby sorting facility. There, it was scanned, sorted, and dispatched to a professional courier. The package moved swiftly through the system, propelled by automated processes and a network of urban delivery vans. It zoomed across town, changing vehicles several times, each transfer meticulously tracked and logged.

As the hours passed, Maria navigated through familiar streets on her bicycle, dodging light traffic. She delivered the package directly to Emily's doorstep, where it was received with a warm thank you. The entire journey from sender to receiver was not only efficient but had also contributed to a sense of local connectedness.

The QuickDrop package, while still on its way, had traveled a more impersonal route. Despite its rapid transit through the logistics network, it was stuck in traffic and then misdirected to a wrong address. A delay ensued, with Alex anxiously waiting and eventually contacting customer service to rectify the situation.

This is the technical reason PNPM claims to be "safer" or "better."

In standard NPM (using a flat node_modules structure), it is possible for your code to import a package that you didn't declare in your package.json, simply because that package was a dependency of another package you installed. These are called "phantom dependencies."

PNPM creates a strict structure: It creates a node_modules folder where only your declared dependencies are accessible at the root level. If you try to import a package you haven't listed, it won't work. This prevents your code from breaking if a dependency removes one of its own sub-dependencies later.

Despite the speed, PNPM has some drawbacks: