istextorbinary
Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.
textextensions
A package that contains an array of every single file extension there is for text files
binaryextensions
A package that contains an array of every single file extension there is for binary files
errlop
An extended Error class that envelops a parent error, such that the stack trace contains the causation
typechecker
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)