classroomio/apps/dashboard/src/lib/utils/functions/theme.ts

export function setTheme(theme?: string) {
  // In case the default theme is added but another theme exists
  if (!theme && document.body.className.includes('theme-')) {
    const regex = /theme-[\w]+/gi;
    document.body.className = document.body.className.replace(regex, theme);
    return;
  }

  // In case theme already exists in dom, don't add
  if (document.body.className.includes(theme || '')) return;

  localStorage.setItem('theme', theme || '');
  document.body.className = document.body.className.concat(' ', theme || '');
}