Momento/memento-note/lib/theme-script.ts

export function getThemeScript(theme: string = 'light') {
  return `
    (function() {
      try {
        var localTheme = localStorage.getItem('theme-preference');
        var theme = localTheme || '${theme}';
        var root = document.documentElement;
        
        root.classList.remove('dark');
        root.removeAttribute('data-theme');

        if (theme === 'auto') {
          if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
            root.classList.add('dark');
          }
        } else if (theme === 'dark') {
          root.classList.add('dark');
        } else if (theme === 'light') {
          // do nothing
        } else {
          root.setAttribute('data-theme', theme);
          if (theme === 'midnight') {
            root.classList.add('dark');
          }
        }
      } catch (e) {
        console.error('Theme script error', e);
      }
    })();
  `
}