The Bloat of Edge-Case-First Libraries: npm's Dependency Hell

This article examines the proliferation of over-engineered libraries in the npm ecosystem. Many libraries prioritize handling rare edge cases, resulting in overly granular dependency trees. The author uses the example of `is-number`, which handles various number-like inputs when most applications only need to handle the `number` type. The solution proposed is for libraries to focus on common use cases, making reasonable assumptions about input types, and leaving edge case handling to projects that need them. This simplifies code, improves performance, and reduces unnecessary dependencies.