Function parseCssColorChannels

content/vps-panel.js:263–302

(colorText)

}

function parseCssColorChannels(colorText) {
  const text = String(colorText || '').trim().toLowerCase();
  if (!text || text === 'transparent' || text === 'inherit' || text === 'initial' || text === 'unset') {
    return null;
  }

  if (text.startsWith('#')) {
    const hex = text.slice(1);
    if (hex.length === 3 || hex.length === 4) {
      const expanded = hex.split('').map((part) => part + part);
      const [r, g, b, a = 'ff'] = expanded;
      return {
        r: Number.parseInt(r, 16),
        g: Number.parseInt(g, 16),
        b: Number.parseInt(b, 16),
        a: Number.parseInt(a, 16) / 255,
      };
    }
    if (hex.length === 6 || hex.length === 8) {
      const parts = hex.match(/.{1,2}/g) || [];
      const [r, g, b, a = 'ff'] = parts;
      return {
        r: Number.parseInt(r, 16),
        g: Number.parseInt(g, 16),
        b: Number.parseInt(b, 16),
        a: Number.parseInt(a, 16) / 255,
      };
    }
  }

  if (text.startsWith('rgb')) {
    const numericParts = text.match(/[\d.]+/g) || [];
    if (numericParts.length >= 3) {
      const [r, g, b, a = '1'] = numericParts.map(Number);
      return { r, g, b, a };
    }
  }

  return null;
}

function isReddishColor(colorText) {
  const channels = parseCssColorChannels(colorText);