function isDarkTheme()

in render-markdown-codehighlight/generate-theme.cjs [68:84]

• 17 lines of code
• 5 McCabe index (conditional complexity)

function isDarkTheme(color) {
  if (!color.startsWith('#') && !color.startsWith('rgb')) {
    const hexColor = convertColorNameToHex(color);
    if (hexColor) {
      color = hexColor;
    } else {
      return false;
    }
  }
  const hexColor = normalizeHexColor(color);
  const rgb = parseInt(hexColor, 16);
  const r = (rgb >> 16) & 0xff;
  const g = (rgb >> 8) & 0xff;
  const b = (rgb >> 0) & 0xff;
  const brightness = (r * 299 + g * 587 + b * 114) / 1000; // Calculate brightness based on RGB values
  return brightness < 128; // Dark theme if brightness is below the threshold
}