max-safe-integer
ES2015 Number.MAX_SAFE_INTEGER ponyfill
ES2015 Number.MAX_SAFE_INTEGER ponyfill
Check if a string is a valid filename
Returns true if a path is a dot-directory.
Minimal JavaScript type checking library
Determine whether a given string is a newline character.
Validates if a value is undefined.
Check if a repository has untracked or added files
Returns `true` if a value exists in the given string, array or object.
Check if the process is running as administrator on Windows
Is this value a JS ArrayBuffer?
Tells, is given character a part of astral character, specifically, a high and low surrogate
Browser-friendly enhanced util fully compatible with standard node.js
Strict equality test (like ===) that handles both built-in and custom value objects (those with a valueOf function).
Check if a String/Buffer is TTF
Check if a String/Buffer/ArrayBuffer is OTF
typeof number, or use a default
Check if a value is something
Determine type of a variable
Determine if something is a React class component
Find out, is nested array/object/string/AST tree is empty