mockdate
v3.0.5
Published
A JavaScript mock Date object that can be used to change when "now" is.
Downloads
6,054,348
Readme
MockDate
A JavaScript Mock Date object that can be used to change when "now" is.
Installation
npm install mockdate --save-dev
Environment Support
MockDate has been tested in Node, IE9+, Chrome, Firefox, and Opera.
Usage
import MockDate from 'mockdate'
API
MockDate.set(date)
date
date: Object
The Date
to be returned when no parameters are passed to new Date()
. Supports any object that has a .valueOf
method that returns a value that can be passed to new Date()
.
date: String
The string representation of the date which is passed to the new Date()
constructor. This creates the Date
to be returned when no parameters are passed to new Date()
.
date: Number
The millisecond representation of the Date
to be returned when no parameters are passed to new Date()
.
MockDate.reset();
Will restore the original Date
object back to the native implementation.
Example
MockDate.set('2000-11-22');
new Date().toString() // "Tue Nov 21 2000 18:00:00 GMT-0600 (CST)"
MockDate.set('1/30/2000');
new Date().toString() // "Sun Jan 30 2000 00:00:00 GMT-0600 (CST)"
MockDate.set(new Date('2/20/2000'));
new Date().toString() // "Sun Feb 20 2000 00:00:00 GMT-0600 (CST)"
MockDate.set(moment('3/30/2000').toDate()); // using momentjs
new Date().toString() // "Thu Mar 30 2000 00:00:00 GMT-0600 (CST)"
MockDate.reset();
new Date().toString() // "Mon Mar 17 2014 18:08:44 GMT-0500 (CDT)"
Test
npm test