IS Packages

Check if your code is running on Heroku from the command line

Check / validate that given value is valid hexa color (hex with alpha), using `hexa-color-regex` - the best hexa color regex.

Check if a Buffer/Uint8Array is a .ico file

Helper to check if the current terminal is iTerm

a tiny, smart utility to use in js's judgement

Checks if the given token is an ES keyword.

Check if a filepath is a subtitle file

Checks if a ECMAScript feature is supported or not. Checks async, generator and more...

is-something is very useful JavaScript package simplifying validation of input and output, handling most of possible edge cases!

Check if user has starred the repository

Well, is it?

🔨 Tells you that string is in URL format. Library in UMD style.

Check if a file or directory is inside a git repository

Checks that given package is installed on system

Check if a value is an number

returns whether or not a url speaks http(s)

Check whether an object looks like Hybrid which is promises-a+ promise and callback api

Check if the runtime is io.js instead of Node.js

The shortest way to check multi-times keydown

Check if referenced object is a DOM element or Browser Object