is-binary-path-cross
Check if a file path is a binary file
Check if a file path is a binary file
Check if a string is time
Simple JS library that checks if value is an empty object, collection, string
a bunch of functions to make various checks
A CLI to check if your code is running on Heroku
Check if a string is HTML
Check if the process is running in a Continuous Integration (CI) environment
Check if running in an editor
This module checks if the URL leads to a photo by analyzing the header.
Check if a file path is an image in a web browser
A npm package that checks whether today is the last day of the month or not
Check if the current request is json, express js, next js, any node js server side code.
Returns true if a package is maintained by jon schlinkert
Check if the specified IP is a proxy.
Check if a string is a valid IP address
Checks if the code is minified
Verify if something is a Promise
Simple and light-weight JavaScript type checker that brings convenience!
check if a file is a directory
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.