date-template

date-template

1. Easy function of 20 lines of code
2. Date output in any format
3. Change the date type

install

$ npm install -D date-template

template

• ~Y~ Year ****
• ~M~ Month, from 01 to 12
• ~D~ Day, from 01 to 31
• ~Dw~ Day of the week 0-sunday, 6-saturday
• ~h~ hourse
• ~m~ minutes
• ~s~ seconds
• ~mm~ milliseconds

use

one parameter

var dateTemplate = require('date-template')

// return new Date

dateTemplate('~h~:~m~:~s~')
// "22:20:31"

dateTemplate('~h~/~m~/~s~')
// "22/20/31"

dateTemplate('hourse:~h~ minutes:~m~ seconds:~s~')
// "hourse:22 minutes:20 seconds:31"

dateTemplate('~h~:WOW:~m~')
// "22:WOW:20"

two parameters

var dateTemplate = require('date-template')

// return other Date

var oldDate = new Date()
oldDate.setHours(-3)

dateTemplate('~h~:~m~:~s~', oldDate)
// "19:20:31"

var milliseconds = +new Date()
// 1497382646504

dateTemplate('~h~:~m~:~s~', milliseconds)
// "22:39:03"

three parameters

var dateTemplate = require('date-template')

// return Date to user format

var middleware = (date) => {
  var mounth = [
    'January',
    'February',
    'March',
    'April',
    'May',
    'June',
    'July',
    'August',
    'September',
    'October',
    'November',
    'December'
  ]
  date['~M~'] = mounth[ date['~M~']-1 ]
  return date
}

dateTemplate('Today is ~M~ ~D~, ~Y~', false, middleware)
// "Today is June 13, 2017"

source code

const dateTemplate = function( format, oldDate, middleware ){ 
  let date = oldDate ? new Date(oldDate) : new Date();
  let tmp = {
    "~Y~": date.getFullYear(),   //Year ****
    "~M~": date.getMonth() + 1,  //Month, from 01 to 12
    "~D~": date.getDate(),       //Day, from 01 to 31
    "~Dw~": date.getDay(),       //Day of the week 0-sunday, 6-saturday
    "~h~": date.getHours(),      //hourse
    "~m~": date.getMinutes(),    //minutes
    "~s~": date.getSeconds(),    //seconds
    "~mm~": date.getMilliseconds //milliseconds
  };
  tmp = middleware ? middleware(tmp) : tmp
  Object.keys(tmp).forEach( key => {
    if( String(tmp[key]).length == 1 )
      tmp[key] = 0 + String(tmp[key])
    format = format.replace( key, tmp[key] )
  })
  return format
};