@atlaskit/adf-schema/dist/es2019/utils/hex-to-rgba.js

Shared package that contains the ADF-schema (json) and ProseMirror node/mark specs

// eslint-disable-line import/no-namespace

import { normalizeHexColor } from './normalize-hex-color';

/**
 * Converts hex color format to rgba.
 *
 * @param hex - hex color string (#xxx, or #xxxxxx)
 */
export function hexToRgba(rawColor, alpha) {
  const color = normalizeHexColor(rawColor);
  if (!color) {
    return null;
  }
  const hex2rgb = color => {
    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
    return color.match(/[a-z0-9]{2}/giu).map(hex => parseInt(hex, 16));
  };
  return `rgba(${hex2rgb(color).concat(alpha).join(',')})`;
}