@atlaskit/eslint-plugin-design-system/dist/es2019/rules/utils/is-hard-coded-color.js

The essential plugin for use with the Atlassian Design System.

import { namedColors } from './named-colors';
const includesWholeWord = (value, options) => {
  const values = value.replace(/[^a-zA-Z ]/g, ' ').trim().split(/(?:,|\.| )+/);
  return values.some(value => options.has(value));
};
export const isHardCodedColor = value => {
  if (includesWholeWord(value.toLowerCase(), namedColors)) {
    return true;
  }
  if (value.startsWith('rgb(') || value.startsWith('rgba(') || value.startsWith('hsl(') || value.startsWith('hsla(') || value.startsWith('lch(') || value.startsWith('lab(') || value.startsWith('color(')) {
    return true;
  }
  if (value.startsWith('#') && (
  // short hex, hex, or hex with alpha
  value.length === 4 || value.length === 7 || value.length === 9)) {
    return true;
  }
  return false;
};