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