is-date-str
Check if a string is time
Check if a string is time
Simple JS library that checks if value is an empty object, collection, string
Returns true if a package is maintained by jon schlinkert
Check if the current request is json, express js, next js, any node js server side code.
A npm package that checks whether today is the last day of the month or not
a bunch of functions to make various checks
Verify if something is a Promise
A CLI to check if your code is running on Heroku
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
Check if the specified IP is a proxy.
Check if a string is a valid IP address
Check if a string is HTML
Check if a value is a Fetch network error
Checks if the code is minified
Checks if the given string contains a human name
Just function to predicate non nullable with type guard.
Check if a file path is a text file