25 lines
		
	
	
		
			419 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			419 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 Meridiem 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.setHours((this.date.getHours() + 12) % 24);
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|   }
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| 
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|   down() {
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|     this.up();
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|   }
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| 
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|   toString() {
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|     let meridiem = this.date.getHours() > 12 ? 'pm' : 'am';
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|     return /\A/.test(this.token) ? meridiem.toUpperCase() : meridiem;
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|   }
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| }
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| 
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| module.exports = Meridiem;
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