@kcuf/mere-color/dist/cjs/util/parse-color-rgb.js

Mere color utils for generating, manipulation, a11y purposes.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = parseColorRgb;
var _matchRgb = _interopRequireDefault(require("./match-rgb"));
var _matchRgbLegacy = _interopRequireDefault(require("./match-rgb-legacy"));
var _parseNumberAlpha = _interopRequireDefault(require("./parse-number-alpha"));
var _parseNumberRgbValue = _interopRequireDefault(require("./parse-number-rgb-value"));
/**
 * Parse `rgba?(...)` color string into an `Rgb` object.
 *
 * https://developer.mozilla.org/en-US/docs/Web/CSS/color_value/rgb
 */
function parseColorRgb(color) {
  var matchModern = (0, _matchRgb.default)(color);
  var matchLegacy = matchModern ? null : (0, _matchRgbLegacy.default)(color);
  var match = matchModern || matchLegacy;
  if (!match || matchLegacy && (match[1] !== match[3] || match[3] !== match[5])) {
    // legacy format does not allow mixing number and percentage values
    return null;
  }
  return {
    r: (0, _parseNumberRgbValue.default)(match[0], match[1]),
    g: (0, _parseNumberRgbValue.default)(match[2], match[3]),
    b: (0, _parseNumberRgbValue.default)(match[4], match[5]),
    a: (0, _parseNumberAlpha.default)(match[6], match[7])
  };
}