strftime-js

Method that enable formatted output(like strftime in Python) from date instance.

Installation

Use yarn

yarn add strftime-js

or npm

npm install strftime-js

Usage

Patch method to instance

import { patchInstance } from 'data-formatter'

const instance = new Date()
console.log(patchInstance(instance).toFormatted('Today is %x')) // -> Today is 1/1/2020

Patch method to constructor

import { patch } from 'data-formatter'

patch()
const instance = new Date()
console.log(instance.toFormatted('Today is %x')) // -> Today is 1/1/2020

Reference

| Code | Meaning | Example | | ---- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------ | | %a | Weekday as abbreviated name. | Mon | | %A | Weekday as full name. | Monday | | %w | Weekday as a decimal number, where 0 is Sunday and 6 is Saturday. | 1 | | %d | Day of the month. | 30 | | %b | Month as abbreviated name. | Sep | | %B | Month as full name. | September | | %m | Month as a decimal number, where 0 is January and 11 is December. | 9 | | %y | Year without century as a decimal number. | 13 | | %Y | Year with century as a decimal number. | 2013 | | %H | Hour (24-hour clock) as a decimal number. | 07 | | %I | Hour (12-hour clock) as a decimal number. | 07 | | %p | Locale’s equivalent of either AM or PM. | AM | | %M | Minute as a decimal number. | 06 | | %S | Second as a decimal number. | 05 | | %j | Day of the year as a decimal number. | 273 | | %U | Week number of the year (Sunday as the first day of the week) as a decimal number. All days in a new year preceding the first Sunday are considered to be in week 0. | 39 | | %W | Week number of the year (Monday as the first day of the week) as a decimal number. All days in a new year preceding the first Monday are considered to be in week 0. | 39 | | %c | Locale’s appropriate date and time representation. | Mon Sep 30 07:06:05 2013 | | %x | Locale’s appropriate date representation. | 09/30/13 | | %X | Locale’s appropriate time representation. | 07:06:05 | | %% | A literal '%' character. | % |