mirror of https://github.com/jkjoy/sunpeiwen.git
36 lines
670 B
JavaScript
36 lines
670 B
JavaScript
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var nodes = require('../nodes')
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, rgba = require('./rgba');
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/**
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* Return the red component of the given `color`,
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* or set the red component to the optional second `value` argument.
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*
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* Examples:
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*
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* red(#c00)
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* // => 204
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*
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* red(#000, 255)
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* // => #f00
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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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function red(color, value){
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color = color.rgba;
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if (value) {
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return rgba(
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value,
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new nodes.Unit(color.g),
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new nodes.Unit(color.b),
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new nodes.Unit(color.a)
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);
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}
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return new nodes.Unit(color.r, '');
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}
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red.params = ['color', 'value'];
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module.exports = red;
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