A little library for asserting types and values, with zero dependencies.

A natural language date parser in Javascript

A module used internally by Jest to check which files have changed since you last committed in git or hg.

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Automated stream rotation useful for log files

Modern JavaScript date utility library

A lightweight cache for file metadata, ideal for processes that work on a specific set of files and only need to reprocess files that have changed since the last run

Tells you whether or not dependencies in package.json have been changed.

Postgres date column parser

Easy testing of time-dependent code.

A transport for winston which logs to a rotating file each day.

Display differences clearly so people can review changes confidently.

date-fns timezone utils

React Flow - A highly customizable React library for building node-based editors and interactive flow charts.

A JavaScript library to mock the local timezone.

Map and Set with automatic key interning

Modern JavaScript date utility library for jalali calendar

Internationalized calendar, date, and time manipulation utilities

Time zone support for date-fns v3 with the Intl API

Formatting Date objects as strings since 2013