serializeCSS.ts

function serializeCSS(cssProperties: CSSProperties | undefined): string {
  if (!cssProperties) return '';
  let cssString = '';
  
  for (const [key, value] of Object.entries(cssProperties)) {
    cssString += key.replace(/([A-Z])/g, (g) => `-${g[0].toLowerCase()}`) + ':' + value + ';';
  }

  return cssString;
}