35 lines
		
	
	
		
			712 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			712 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| var nodes = require('../nodes')
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|   , hsla = require('./hsla')
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|   , component = require('./component');
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| 
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| /**
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|  * Return the hue component of the given `color`,
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|  * or set the hue component to the optional second `value` argument.
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|  *
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|  * Examples:
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|  *
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|  *    hue(#00c)
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|  *    // => 240deg
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|  *
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|  *    hue(#00c, 90deg)
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|  *    // => #6c0
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|  *
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|  * @param {RGBA|HSLA} color
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|  * @param {Unit} [value]
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|  * @return {Unit|RGBA}
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|  * @api public
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|  */
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| 
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| module.exports = function hue(color, value){
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|   if (value) {
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|     var hslaColor = color.hsla;
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|     return hsla(
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|       value,
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|       new nodes.Unit(hslaColor.s),
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|       new nodes.Unit(hslaColor.l),
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|       new nodes.Unit(hslaColor.a)
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|     )
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|   }
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|   return component(color, new nodes.String('hue'));
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| };
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