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You-Dont-Need-Momentjs

替代Moment.js的高效日期时间处理方案

本项目对比了原生JavaScript、Luxon、date-fns和dayjs等替代Moment.js的轻量级日期时间处理方案。通过功能和性能的详细比较,以及代码示例,帮助开发者选择合适的替代方案,优化应用性能和打包大小。

You don't (may not) need Moment.js

Join the community on Spectrum

Moment.js is a fantastic time & date library with lots of great features and utilities. However, if you are working on a performance sensitive web application, it might cause a huge performance overhead because of its complex APIs and large bundle size.

Large bundle size

Problems with Moment.js:

If you are not using timezone but only a few simple functions from moment.js, this might bloat your app, and therefore is considered overkill. dayjs has a smaller core and has very similar APIs so it makes it very easy to migrate. date-fns enables tree-shaking and other benefits so that it works great with React, Sinon.js, and webpack, etc. See https://github.com/moment/moment/issues/2373 for more ideas on why and how people switch from moment.js to other solutions.

Brief Comparison

NameTree-shakingMethods richnessPatternLocaleTimezone SupportPopularity (stars)Sizes
Moment.jsNoHighOO123Good (moment-timezone)starsraw size
LuxonNoHighOO-Good (Intl)starsraw size
date-fnsYesHighFunctional64Good (date-fns-tz)starsraw size
dayjsNoHighOO138Good (Intl)starsraw size

Voice of Developers

Removed moment.js to replace with date-fns - build output reduced by 40%

Jared Farago from webnode project.

Good library if you’re looking to replace Moment.js for one reason or another. Immutable too.

Dan Abramov, Author of Redux and co-author of Create React App. Building tools for humans.

I strongly recommend using date-fns over Moment.js, it's has a nicer API and you can include only parts you need!

Matija Marohnić, a design-savvy frontend developer from Croatia.

ESLint Plugin

NPM Version Downloads Build Status Coverage Status

If you're using ESLint, you can install a plugin that will help you identify places in your codebase where you don't (may not) need Moment.js.

Install the plugin...

npm install --save-dev eslint-plugin-you-dont-need-momentjs

...then update your config

"extends" : ["plugin:you-dont-need-momentjs/recommended"],

Quick Links

Parse

  1. String + Date Format
  2. String + Time Format
  3. String + Format + locale

Get + Set

  1. Millisecond/Second/Minute/Hour
  2. Date of Month
  3. Day of Week
  4. Day of Year
  5. Week of Year
  6. Days in Month
  7. Weeks in Year
  8. Maximum of the given dates
  9. Minimum of the given dates

Manipulate

  1. Add
  2. Subtract
  3. Start of Time
  4. End of Time

Display

  1. Format
  2. Time from now
  3. Time from X
  4. Difference

Query

  1. Is Before
  2. Is Same
  3. Is After
  4. Is Between
  5. Is Leap Year
  6. Is a Date

Feature Parity

⚠️ Indicates other packages or work are needed. See individual functions above.

NativeLuxondate-fnsdayjsTemporal
Parse
String + Date Format
String + Time Format⚠️
String + Format + locale⚠️⚠️
Get + Set
Millisecond/Second/Minute/Hour
Date of Month
Day of Week
Day of Year
Week of Year⚠️
Days in Month
Weeks in Year⚠️
Maximum of the given dates⚠️
Minimum of the given dates⚠️
Manipulate
Add
Subtract
Start of Time
End of Time
Display
Format
Time from now⚠️
Time from X⚠️
Difference
Query
Is Before
Is Same
Is After
Is Between⚠️
Is Leap Year⚠️
Is a Date

Parse

String + Date Format

Return the date parsed from date string using the given format string.

// Moment.js
moment('12-25-1995', 'MM-DD-YYYY');
// => "1995-12-24T13:00:00.000Z"

// Native
const datePattern = /^(\d{2})-(\d{2})-(\d{4})$/;
const [, month, day, year] = datePattern.exec('12-25-1995');
new Date(`${month}, ${day} ${year}`);
// => "1995-12-24T13:00:00.000Z"

// date-fns
import parse from 'date-fns/parse';
parse('12-25-1995', 'MM-dd-yyyy', new Date());
// => "1995-12-24T13:00:00.000Z"

// dayjs
dayjs('12-25-1995');
// => "1995-12-24T13:00:00.000Z"

// luxon
DateTime.fromFormat('12-25-1995', 'MM-dd-yyyy').toJSDate();
// => "1995-12-24T13:00:00.000Z"

// Temporal
const datePattern = /^(\d{2})-(\d{2})-(\d{4})$/;
const [, month, day, year] = datePattern.exec('12-25-1995');
new Temporal.ZonedDateTime.from({year, month, day, timeZone: Temporal.Now.timeZone()});
// => "1995-12-24T13:00:00.000Z"

⬆ back to top

String + Time Format

Return the date parsed from time string using the given format string.

// Moment.js
moment('2010-10-20 4:30', 'YYYY-MM-DD HH:mm');
// => "2010-10-19T17:30:00.000Z"

// Native
const datePattern = /^(\d{4})-(\d{2})-(\d{2})\s(\d{1,2}):(\d{2})$/;
const [, year, month, day, rawHour, min] = datePattern.exec('2010-10-20 4:30');
new Date(`${year}-${month}-${day}T${('0' + rawHour).slice(-2)}:${min}:00`);
// => "2010-10-19T17:30:00.000Z"

// date-fns
import parse from 'date-fns/parse';
parse('2010-10-20 4:30', 'yyyy-MM-dd H:mm', new Date());
// => "2010-10-19T17:30:00.000Z"

// dayjs ⚠️ requires customParseFormat plugin
import customParseFormat from 'dayjs/plugin/customParseFormat';
dayjs.extend(customParseFormat);
dayjs('2010-10-20 4:30', 'YYYY-MM-DD HH:mm');
// => "2010-10-19T17:30:00.000Z"

// luxon
DateTime.fromFormat('2010-10-20 4:30', 'yyyy-MM-dd H:mm').toJSDate();
// => "2010-10-19T17:30:00.000Z"

// Temporal
const datePattern = /^(\d{4})-(\d{2})-(\d{2})\s(\d{1,2}):(\d{2})$/;
const [, year, month, day, hour, minute] = datePattern.exec('2010-10-20 4:30');
new Temporal.ZonedDateTime.from({year, month, day, hour, minute, timeZone: Temporal.Now.timeZone()});
// => "2010-10-19T17:30:00.000Z"

⬆ back to top

String + Format + locale

Return the date parsed from string using the given format string and locale.

// Moment.js
moment('2012 mars', 'YYYY MMM', 'fr');
// => "2012-02-29T13:00:00.000Z"

// date-fns
import parse from 'date-fns/parse';
import fr from 'date-fns/locale/fr';
parse('2012 mars', 'yyyy MMMM', new Date(), { locale: fr });
// => "2012-02-29T13:00:00.000Z"

// dayjs ⚠️ requires customParseFormat plugin
import customParseFormat from 'dayjs/plugin/customParseFormat';
import 'dayjs/locale/fr';
dayjs.extend(customParseFormat);
dayjs('2012 mars', 'YYYY MMM', 'fr');
// => "2012-02-29T13:00:00.000Z"

// Luxon ❌ does not support Locale for node unless https://moment.github.io/luxon/docs/manual/install.html#node
DateTime.fromFormat('2012 mars', 'yyyy MMMM', { locale: 'fr' });
// => "2012-02-29T13:00:00.000Z"

⬆ back to top

Get + Set

Millisecond / Second / Minute / Hour

Get the Millisecond/Second/Minute/Hour of the given date.

// Moment.js
moment().seconds();
// => 49
moment().hours();
// =>
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