Exists Packages

verify if a property provided is available by traversing through nested levels of an object.

Check if image exists and retrieve its size (based on Promise)

Check if NPM has the version of a given package

insert a batch of keys if and only if none of the keys already exist

Asserts that a module exists

Check for the existence of a path in a case-sensitive manner and, if not found, suggest where it might be at

fs.exists polyfill

Value OK? Shorthand validity check.

Check if a file is a file.

method_exists

Check if a file exists in Node.js. ES6 module compatible, non-depracated fs utils.

a package informer for npm modules and more

Check If The File Or Directory Exists, And Return Stats.

Methods which simplify checking whether or not AWS resources exist.

Node module to check if local file path contains a specified folder name using NodeJS

Basic file system tools with easy to remember names

Validity style validator to ensure a separate entity exists when being added to the current entity

Check if an npm module is installed

Check if the node module has exists

'fs' object extensions & promisifications