date-utils-2020

date utils 2020, format(s: any, formatter: string)/toDate(s?: any)...

Note:

When the parameter s is a string: when it is a string of yyyyMMdd/yyyyMM/yyyy, it is processed as yyyyMMdd/yyyyMM01/yyyy0101, and other string numbers are processed as a timestamp.

npm i -S date-utils-2020
# or
yarn add date-utils-2020

Usage

import { formatDate, toDate } from 'date-utils-2020'

const date = toDate('2020-12-04')
console.log(date) 
// Fri Dec 04 2020 09:00:00 GMT+0900 (Japan Standard Time)

const result = formatDate('2020-12-04', 'yyyy/MM/dd W')
console.log(result)
// 2020/12/04 Fri

// node.js
const { formatDate } = require('date-utils-2020')

const result = formatDate(new Date(), 'yyyy/MM/dd hh:mm:ss')
console.log(result)
// 2020/12/05 16:07:43

// timestamp
console.log(formatDate(20210101, 'yyyy-MM-dd hh:mm:ss'))
// 1970-01-01 14:36:50

// yyyyMMdd
console.log(formatDate('20210101', 'yyyy-MM-dd hh:mm:ss g'))
// 2021-01-01 00:00:00 GMT+0900

import { formatDate } from 'date-utils-2020'
constole.log(formatDate(new Date(), 'yyyy/MM/dd hh:mm:ss'))

Methods

Method	Parameters	Description
formatDate	(date: any, format: string, langPackage?: ILangPackage)	return string
toDate	(s: any)	return Date or null. When the parameter s is a string: when it is a string of yyyyMMdd/yyyyMM/yyyy, it is processed as yyyyMMdd/yyyyMM01/yyyy0101, and other string numbers are processed as a timestamp.

format

Date Formats, Example yyyy-MM-dd hh:mm:ss W => 2021-01-01 01:01:01 Fri

format	meaning	Example
yyyy/yy	year	2021/21
MM/M	month	01/1
dd/d	day	01/1
hh/h	hour	01/1
mm/m	minute	01/1
ss/s	second	01/1
w	week	[0, 1, 2, 3, 4, 5, 6]
W	week	['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
a	am/pm	am
A	AM/PM	AM
g	GMT(Greenwich Mean Time)	GMT+0900
G	GMT(Greenwich Mean Time)	GMT+0900 (Japan Standard Time), Safari GMT+0900 (JST)

langPackage

Props	Type	Description
weeks	string[]	Example: ['日曜日', '月曜日', '火曜日', '水曜日', '木曜日', '金曜日', '土曜日'], Default: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']

const langPackage = {
  // ['日', '一', '二', '三', '四', '五', '六']
  weeks: ['日曜日', '月曜日', '火曜日', '水曜日', '木曜日', '金曜日', '土曜日']
}

formatDate(new Date(), 'yyyy/MM/dd(W) hh:mm:ss', langPackage)
// 2020/12/05(土曜日) 12:22:52