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.

``shell script
npm i -S date-utils-2020


or


yarn add date-utils-2020
`

Usage

`javascript
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
`

`javascript
// 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
`

`javascript
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']|

`javascript
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
``