pseudomap
A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.
A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.
Promisify a callback-style function
Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.
Detect whether a terminal supports color

the mighty option parser used by yargs
Generates and consumes source maps
Lightweight debugging utility for Node.js and the browser
Transforms css values and at-rule params into the tree
The semantic version parser used by npm.
Find a file or directory by walking up parent directories
Strip ANSI escape codes from a string
The string_decoder module from Node core
Escape RegExp special characters
Parse JSON with more helpful errors
Check if the character represented by a given Unicode code point is fullwidth
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.
Style elements relative to other elements in CSS
Open stuff like URLs, files, executables. Cross-platform.
Style form elements when they are empty