36 lines
		
	
	
		
			681 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			36 lines
		
	
	
		
			681 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | 'use strict'; | ||
|  | 
 | ||
|  | class DatePart { | ||
|  |   constructor({token, date, parts, locales}) { | ||
|  |     this.token = token; | ||
|  |     this.date = date || new Date(); | ||
|  |     this.parts = parts || [this]; | ||
|  |     this.locales = locales || {}; | ||
|  |   } | ||
|  | 
 | ||
|  |   up() {} | ||
|  | 
 | ||
|  |   down() {} | ||
|  | 
 | ||
|  |   next() { | ||
|  |     const currentIdx = this.parts.indexOf(this); | ||
|  |     return this.parts.find((part, idx) => idx > currentIdx && part instanceof DatePart); | ||
|  |   } | ||
|  | 
 | ||
|  |   setTo(val) {} | ||
|  | 
 | ||
|  |   prev() { | ||
|  |     let parts = [].concat(this.parts).reverse(); | ||
|  |     const currentIdx = parts.indexOf(this); | ||
|  |     return parts.find((part, idx) => idx > currentIdx && part instanceof DatePart); | ||
|  |   } | ||
|  | 
 | ||
|  |   toString() { | ||
|  |     return String(this.date); | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = DatePart; | ||
|  | 
 | ||
|  | 
 |