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35 lines
751 B
35 lines
751 B
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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* Return the saturation component of the given `color`, |
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* or set the saturation component to the optional second `value` argument. |
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* |
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* Examples: |
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* |
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* saturation(#00c) |
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* // => 100% |
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* |
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* saturation(#00c, 50%) |
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* // => #339 |
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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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module.exports = function saturation(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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new nodes.Unit(hslaColor.h), |
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value, |
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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('saturation')); |
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}; |
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