npm-which

Locates executables from locally or parent-installed node modules, similar to `which` but respecting npm's PATH. Version 3.0.1 is stable with no recent releases. Key differentiator: it is faster than shelling out to `npm bin` and works across the node_modules hierarchy, not just the current directory. Supports both async and sync APIs, and a CLI. Requires Node >=4.2.0, no runtime dependencies.