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Contents
var utils = require('../utils')
, nodes = require('../nodes');
/**
* Convert the given `color` to an `HSLA` node,
* or h,s,l,a component values.
*
* Examples:
*
* hsla(10deg, 50%, 30%, 0.5)
* // => HSLA
*
* hsla(#ffcc00)
* // => HSLA
*
* @param {RGBA|HSLA|Unit} hue
* @param {Unit} saturation
* @param {Unit} lightness
* @param {Unit} alpha
* @return {HSLA}
* @api public
*/
module.exports = function hsla(hue, saturation, lightness, alpha){
switch (arguments.length) {
case 1:
utils.assertColor(hue);
return hue.hsla;
case 2:
utils.assertColor(hue);
var color = hue.hsla;
utils.assertType(saturation, 'unit', 'alpha');
var alpha = saturation.clone();
if ('%' == alpha.type) alpha.val /= 100;
return new nodes.HSLA(
color.h
, color.s
, color.l
, alpha.val);
default:
utils.assertType(hue, 'unit', 'hue');
utils.assertType(saturation, 'unit', 'saturation');
utils.assertType(lightness, 'unit', 'lightness');
utils.assertType(alpha, 'unit', 'alpha');
var alpha = alpha.clone();
if (alpha && '%' == alpha.type) alpha.val /= 100;
return new nodes.HSLA(
hue.val
, saturation.val
, lightness.val
, alpha.val);
}
};
Version data entries
39 entries across 20 versions & 2 rubygems