29 lines
		
	
	
		
			509 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			509 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 'use strict'; | ||
|  | 
 | ||
|  | const DatePart = require('./datepart'); | ||
|  | 
 | ||
|  | class Year extends DatePart { | ||
|  |   constructor(opts={}) { | ||
|  |     super(opts); | ||
|  |   } | ||
|  | 
 | ||
|  |   up() { | ||
|  |     this.date.setFullYear(this.date.getFullYear() + 1); | ||
|  |   } | ||
|  | 
 | ||
|  |   down() { | ||
|  |     this.date.setFullYear(this.date.getFullYear() - 1); | ||
|  |   } | ||
|  | 
 | ||
|  |   setTo(val) { | ||
|  |     this.date.setFullYear(val.substr(-4)); | ||
|  |   } | ||
|  | 
 | ||
|  |   toString() { | ||
|  |     let year = String(this.date.getFullYear()).padStart(4, '0'); | ||
|  |     return this.token.length === 2 ? year.substr(-2) : year; | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = Year; |