debugTheme.js

function debugTheme(originalTheme) {
  const stylesheet = originalTheme.createStylesheet()
  
  console.log(
    '%cStylesheet created:',
    'color:green;font-weight:bold;',
    stylesheet,
  )
  
  if (!stylesheet.primary) {
    console.warn(
      'A stylesheet was created without a primary theme color. There may be layout glitches.',
    )
  }
}

const theme = new Theme()
bloodTheme(theme)
if (process.env.NODE_ENV === 'development') debugTheme(theme)