Subscription-Management/index.html at main · VivaciousEmu/Subscription-Management · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="A personal subscription management tool to track and manage all your recurring payments in one place" />
    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; connect-src 'self' http://localhost:3001 https://localhost:3001; font-src 'self';">
    <title>Subscription Manager</title>
    <!-- Add inline styles for the preloader -->
    <style>
      .app-preloader {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: hsl(0 0% 98%);
        color: hsl(0 0% 3.9%);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        z-index: 9999;
      }
      .dark .app-preloader {
        background-color: hsl(0 0% 3.9%);
        color: hsl(0 0% 98%);
      }
      .spinner {
        width: 40px;
        height: 40px;
        margin-bottom: 20px;
        border: 4px solid hsl(0 0% 89.8%);
        border-left-color: hsl(217.2 91.2% 59.8%);
        border-radius: 50%;
        animation: spin 1s linear infinite;
      }
      .dark .spinner {
        border: 4px solid hsl(0 0% 14.9%);
        border-left-color: hsl(217.2 91.2% 59.8%);
      }
      @keyframes spin {
        to { transform: rotate(360deg); }
      }
      .app-preloader-text {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        font-size: 16px;
        color: hsl(0 0% 45.1%);
      }
      .dark .app-preloader-text {
        color: hsl(0 0% 63.9%);
      }
      .app-preloader-error {
        margin-top: 16px;
        padding: 12px;
        background-color: hsl(0 84.2% 60.2% / 0.1);
        border: 1px solid hsl(0 84.2% 60.2% / 0.2);
        border-radius: 6px;
        max-width: 80%;
        font-size: 14px;
        color: hsl(0 84.2% 60.2%);
        display: none;
      }
      .dark .app-preloader-error {
        background-color: hsl(0 62.8% 30.6% / 0.1);
        border: 1px solid hsl(0 62.8% 30.6% / 0.2);
        color: hsl(0 62.8% 30.6%);
      }
    </style>
    <script>
      // Check preferred color scheme for preloader
      if (localStorage.getItem('vite-ui-theme') === 'dark' ||
          (!localStorage.getItem('vite-ui-theme') &&
           window.matchMedia('(prefers-color-scheme: dark)').matches)) {
        document.documentElement.classList.add('dark');
      }
    </script>
  </head>
  <body>
    <!-- Preloader that shows before React loads -->
    <div id="app-preloader" class="app-preloader">
      <div class="spinner"></div>
      <p class="app-preloader-text">Loading Subscription Manager...</p>
      <div id="app-preloader-error" class="app-preloader-error"></div>
    </div>

    <div id="root"></div>

    <!-- Error handler for environment variables -->
    <script>
      window.addEventListener('DOMContentLoaded', function() {
        // Check for environment variables and display an error if they're missing
        setTimeout(function() {
          if (document.getElementById('app-preloader') &&
              document.getElementById('app-preloader').style.display !== 'none') {
            var errorElement = document.getElementById('app-preloader-error');
            if (errorElement) {
              errorElement.style.display = 'block';
              errorElement.textContent = 'Application is taking longer than expected to load. This might indicate a configuration issue.';
            }
          }
        }, 5000);
      });

      // Global error handler
      window.onerror = function(message, source, lineno, colno, error) {
        console.error('Global error:', message, source, lineno, colno);

        // Check if this is an environment variable error
        if (message && message.toString().includes('supabaseUrl')) {
          var errorElement = document.getElementById('app-preloader-error');
          if (errorElement) {
            errorElement.style.display = 'block';
            errorElement.textContent = 'Database configuration error: ' + message;
          }
        }
      };
    </script>

    <script type="module" src="/src/main.tsx"></script>

    <script>
      // Hide preloader once the app loads
      window.addEventListener('load', function() {
        // Allow React to initialize first
        setTimeout(function() {
          var preloader = document.getElementById('app-preloader');
          if (preloader) {
            preloader.style.display = 'none';
          }
        }, 300);
      });
    </script>
  </body>
</html>