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The missing existential operator for JavaScript. Returns true unless a variable is null or undefined
Test whether a path exists on the filesystem.
Check for the existential value of a variable. Assign value by default.
Checks existence of E-Mail DNS MX records.
- existence
- validation
- validator
- domain
- mx
- mail-exchange
- smtp
- verify
- validate
- validate-email-hostname
- mailcheck
- email-checker
- View more
Check for the existential value of a variable/object. Assign one if the value doesn't exist.
Check for the existential value of a variable. Assign value by default.
A monadic wrapper for dealing with existence
Test whether a path exists on the filesystem.
API Client for Proof of Existence
run useful tests on your arrays or hashes of arrays or hashes
Tests whether a path exists on the filesystem.
CLI util for Proof of Existence
Check if a file exists
Utility functions that emulate CoffeeScript existence operator
A variable lives here
Check if a GitHub repo exists
Checks existence of email addresses
Stimulus controller to remove elements from the dom, and be notified with an event when they are added.
All things created by God
A simple wrapper around an object that will warn when you access keys that aren't defined (using the magic of ES6 Proxies)