All files / lib/helpers rgb.js

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'use strict';
 
Object.defineProperty(exports, "__esModule", {
  value: true
});
 
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
function toHex(value) {
  var hex = value.toString(16);
  return hex.length === 1 ? '0' + hex : hex;
}
 
/**
 * Returns a string value for the color. The returned result is the smalles possible hex notation.
 *
 * @example
 * // Styles as object usage
 * const styles = {
 *   background: rgb('255, 205, 100'),
 *   background: rgb(255, 205, 100),
 *   background: rgb({ red: 255, green: 205, blue: 100 }),
 * }
 *
 * // styled-components usage
 * const div = styled.div`
 *   background: ${rgb('255, 205, 100')};
 *   background: ${rgb(255, 205, 100)};
 *   background: ${rgb({ red: 255, green: 205, blue: 100 })};
 * `
 *
 * // CSS in JS Output
 *
 * element {
 *   background: TODO
 * }
 */
 
function rgb(value, green, blue) {
  if (typeof value === 'number' && typeof green === 'number' && typeof blue === 'number') {
    return '#' + toHex(value) + toHex(green) + toHex(blue);
  } else if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && green === undefined && blue === undefined) {
    return '#' + toHex(value.red) + toHex(value.green) + toHex(value.blue);
  }
 
  throw new Error('Passed invalid arguments to rgb, please pass multiple numbers e.g. rgb(255, 205, 100) or an object e.g. rgb({ red: 255, green: 205, blue: 100 }).');
}
 
exports.default = rgb;
module.exports = exports['default'];