synapse/index.html at main · simandebvu/synapse · 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="Synapse transforms complex content into accessible, reader-first experiences using Chrome's built-in AI APIs."
    />
    <meta name="theme-color" content="#3b82f6" />
    <title>Synapse · Chrome AI Accessibility Workspace</title>

    <!-- Early Browser Compatibility Detection -->
    <script>
      (function() {
        // Minimum Chrome version required
        const MIN_CHROME_VERSION = 130;

        // Early browser detection (runs before React loads)
        const userAgent = navigator.userAgent;
        const chromeMatch = userAgent.match(/Chrome\/(\d+)/);
        const isEdge = userAgent.includes('Edg/') || userAgent.includes('Edge/');
        const isChrome = chromeMatch !== null && !isEdge;
        const chromeVersion = chromeMatch ? parseInt(chromeMatch[1]) : null;

        // Store browser info in sessionStorage for app to use
        const browserInfo = {
          isChrome: isChrome,
          version: chromeVersion,
          meetsMinimumVersion: chromeVersion !== null && chromeVersion >= MIN_CHROME_VERSION,
          userAgent: userAgent,
          detectedAt: new Date().toISOString()
        };

        try {
          sessionStorage.setItem('early-browser-detection', JSON.stringify(browserInfo));
        } catch (e) {
          // SessionStorage might not be available, continue anyway
          console.warn('Could not store browser detection info:', e);
        }

        // Log browser compatibility info to console (helpful for debugging)
        if (!isChrome) {
          console.warn('⚠️ Chrome browser is required for AI features');
        } else if (!browserInfo.meetsMinimumVersion) {
          console.warn(
            `⚠️ Chrome ${chromeVersion} detected. Chrome ${MIN_CHROME_VERSION}+ is required for AI features.`
          );
        } else {
          console.info('✓ Browser meets minimum Chrome AI requirements');
        }
      })();
    </script>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.tsx"></script>
  </body>
</html>