Showing 21-40 of 16,198 packages
Check to see if a directory exists
Returns true if a value exists, false if empty. Works with deeply nested values using object paths.
Check if a file or directory exists in a given path.
Check whether an email address exists.
Check whether a binary exists in the PATH environment variable
Checks if a directory exists or not
Check if a URL exists.
[deprecated] This package exists for legacy reasons only
A deeper determination if an URL exists.
Check if the npm package exists
Runs a npm cli package only if it exists
Check if the binary exists on system
This module exists to facilitate the `t.match()` method in [`tap`](http://npm.im/tap).
Get an unused filename by appending a number if it exists: `file.txt` → `file (1).txt`
mongoose validation to ensure referenced object id exists
Check if a word exists or not in English
Synchronous validation of a path existing either as a file or as a directory.
Present a Promise-based interface for testing if something exists or not
Check if a node module or file exists or not
The minimum and most straightforward way to check if command exists and where the executable is.