@amaui/utils/esm/rgbToHex.js

Utils

import isValid from './isValid';
import clamp from './clamp';
import castParam from './castParam';

const intToHex = value => {
  const hex = castParam(value).toString(16);
  return hex.length === 1 ? "0".concat(hex) : hex;
};

const rgbToHex = function (value) {
  let opacity_ = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
  let array = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

  if (isValid('color-rgb', value)) {
    let values = value.replace(/rgb|a|\(|\s|\)/g, '').split(',').filter(Boolean); // If alpha value exists, multiply it by 255 rgb max range value

    if (values[3]) values[3] = Math.round(parseFloat(values[3]) * 255);
    const opacity = opacity_ !== undefined && (opacity_ > 1 ? +(opacity_ / 100).toFixed(2) : clamp(opacity_, 0, 1));
    if (opacity) values.push(Math.round(parseFloat(opacity) * 255));
    values = values.map(item => intToHex(item));
    const [r, g, b, a] = values;
    return array ? values.filter(Boolean) : "#".concat(r).concat(g).concat(b).concat(a ? a : '');
  }
};

export default rgbToHex;