The semantic version parser used by npm.

Enforce usage of moment-timezone instead of plain moment

Wrapper around is-valid-instance and is-registered for validating `base` plugins. Returns true if `app` is a valid instance of base and a plugin is not registered yet.

A cron based task scheduler for node and the browser, with extended syntax and timezone support.

JSON for Humans

Translation files for Moment.js timezone names.

Zod schemas for validating timezone strings, including non-canonical names.

Easy and explicit dates and times.

Convert a string to a valid safe filename

Remove unneeded data from moment-timezone in a vite/rollup build

This library includes the geocoding, carrier mapping and timezone mapping functionalities that are available in some of googles libphonenumber libraries but not in libphonenumber-js (a port of libphonenumber).

Returns true if a value is a valid instance of Base.

Validate domain name

Copy a descriptor from object A to object B

Timezone string validation for Joi 16.x or higher.

Brand checking of React Elements.

Check if a string is a valid filename

Small, elegant, Olson educated, timezone aware date math and `strftime` date formatting in pure JavaScript with no dependendcies for Node.js and the browser. Timezone uses the Olson/IANA timezone database. Timezone is aware of every clock transition in th

Detect if a user is from a country around the European Union (EU) area

DateTime, TimeZone, Duration and Period library aimed at providing a consistent and complete date-time interface, away from the original JavaScript Date class.