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date-fns

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date-fns

Modern JavaScript date utility library

    2.30.0latest
    GitHub
    npm

Version published
Maintainers
2
Weekly downloads
17,311,555
decreased by-6.87%

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Package description

What is date-fns?

The date-fns npm package provides a comprehensive, yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js. It offers a variety of functions to parse, validate, manipulate, and format dates.

What are date-fns's main functionalities?

Parsing Dates

Parse strings in ISO format to JavaScript Date objects.

const parseISO = require('date-fns/parseISO');
const result = parseISO('2023-04-12');

Formatting Dates

Format Date objects into strings with a given format.

const format = require('date-fns/format');
const result = format(new Date(2023, 3, 12), 'yyyy-MM-dd');

Comparing Dates

Compare two dates to determine if one comes before the other.

const isBefore = require('date-fns/isBefore');
const result = isBefore(new Date(2023, 3, 12), new Date(2023, 3, 13));

Manipulating Dates

Perform date calculations such as adding or subtracting time spans.

const addDays = require('date-fns/addDays');
const result = addDays(new Date(2023, 3, 12), 10);

Validating Dates

Check if a date is valid.

const isValid = require('date-fns/isValid');
const result = isValid(new Date('2023-04-12'));

Other packages similar to date-fns

Changelog

Source

v2.30.0

Kudos to @kossnocorp and @Andarist for working on the release.

Changes

  • Fixed increased build size after enabling compatibility with older browsers in the previous release. This was done by adding @babel/runtime as a dependency. See more details.

Readme

Source

date-fns

date-fns provides the most comprehensive, yet simple and consistent toolset
for manipulating JavaScript dates in a browser & Node.js.


It's like Lodash for dates

  • It has 200+ functions for all occasions.
  • Modular: Pick what you need. Works with webpack, Browserify, or Rollup and also supports tree-shaking.
  • Native dates: Uses existing native type. It doesn't extend core objects for safety's sake.
  • Immutable & Pure: Built using pure functions and always returns a new date instance.
  • TypeScript & Flow: Supports both Flow and TypeScript
  • I18n: Dozens of locales. Include only what you need.
  • and many more benefits
import { compareAsc, format } from 'date-fns'

format(new Date(2014, 1, 11), 'yyyy-MM-dd')
//=> '2014-02-11'

const dates = [
  new Date(1995, 6, 2),
  new Date(1987, 1, 11),
  new Date(1989, 6, 10),
]
dates.sort(compareAsc)
//=> [
//   Wed Feb 11 1987 00:00:00,
//   Mon Jul 10 1989 00:00:00,
//   Sun Jul 02 1995 00:00:00
// ]

The library is available as an npm package. To install the package run:

npm install date-fns --save
# or with yarn
yarn add date-fns

Docs

See date-fns.org for more details, API, and other docs.


License

MIT © Sasha Koss

FAQs

Last updated on 30 Apr 2023

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