@kcuf/mere-color/dist/esm/util/parse-color-hsl.js

Mere color utils for generating, manipulation, a11y purposes.

import matchHsl from './match-hsl';
import matchHslLegacy from './match-hsl-legacy';
import parseNumberHue from './parse-number-hue';
import parseNumberSaturation from './parse-number-saturation';
import parseNumberLightness from './parse-number-lightness';
import parseNumberAlpha from './parse-number-alpha';

/**
 * Parse `hsla?(...)` color string into an `Hsl` object.
 *
 * https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/hsl
 */
export default function parseColorHsl(color) {
  var matchModern = matchHsl(color);
  var matchLegacy = matchModern ? null : matchHslLegacy(color);
  var match = matchModern || matchLegacy;
  if (!match) {
    return null;
  }
  return {
    h: parseNumberHue(match[0] || '0', match[1]),
    s: parseNumberSaturation(match[2] || '0'),
    l: parseNumberLightness(match[3] || '0'),
    a: parseNumberAlpha(match[4], match[5])
  };
}
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