IS Packages

Detects if a given file path/buffer is a torrent file.

Detect if your code is running in AWS Lambda

check connectivity with for rm vpn desktop

Simple regex tester for jwtoken

check if is koa app instance

Check if a domain is public

Check if a Buffer/Uint8Array is a postscript

Functional way to check if a property in an object equals something

Returns true if the given string is punctuation characters.

Check if servers are reachable return with reason, forked from Sindresorhus

This package provides a function to which you may pass any integet and it will return true if the given number is a prime number, false otherwise.

Test a value for nullishness.

Check if an object is empty

is a NodeList object?

Checks for a non even number

Checks for a non odd number

Returns true if the value is a number. comprehensive tests.Study from jonschlinkert/is-number

Is it a function? Is this reality?

Checks if given path is a valid URL and resource exists

Check if a number is a HTTP server error code