PDF-Wizard/workbox-runtime-caching.js at main · techniflows/PDF-Wizard · GitHub

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module.exports = [
  // 1) Next.js static assets (JS/CSS/fonts) - Critical for offline functionality
  {
    urlPattern: /^\/_next\/static\/.*/i,
    handler: 'CacheFirst',
    options: {
      cacheName: 'next-static-assets',
      expiration: {
        maxEntries: 200,
        maxAgeSeconds: 60 * 60 * 24 * 30, // 30 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 2) Next.js chunks and app bundles - Essential for app functionality
  {
    urlPattern: /^\/_next\/static\/chunks\/.*/i,
    handler: 'CacheFirst',
    options: {
      cacheName: 'next-chunks',
      expiration: {
        maxEntries: 100,
        maxAgeSeconds: 60 * 60 * 24 * 30, // 30 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 3) Navigation requests (page loads) - NetworkFirst with offline fallback
  {
    urlPattern: ({ request }) => request.mode === 'navigate',
    handler: 'NetworkFirst',
    options: {
      cacheName: 'pages-cache',
      networkTimeoutSeconds: 3,
      expiration: {
        maxEntries: 10,
        maxAgeSeconds: 60 * 60 * 24, // 24 hours
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 4) Public assets (images, icons, etc.)
  {
    urlPattern: ({ url }) =>
      url.pathname.startsWith('/images/') ||
      url.pathname.startsWith('/icons/') ||
      url.pathname.startsWith('/icon-') ||
      url.pathname.match(/\.(png|jpg|jpeg|svg|gif|webp|ico)$/i),
    handler: 'StaleWhileRevalidate',
    options: {
      cacheName: 'public-assets',
      expiration: {
        maxEntries: 100,
        maxAgeSeconds: 60 * 60 * 24 * 7, // 7 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 5) WASM files for PDF processing
  {
    urlPattern: /\.(?:wasm)$/i,
    handler: 'CacheFirst',
    options: {
      cacheName: 'wasm-cache',
      expiration: {
        maxEntries: 10,
        maxAgeSeconds: 365 * 24 * 60 * 60, // 1 year
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 6) PDF worker files
  {
    urlPattern: /pdf\.worker\.min\.js$/i,
    handler: 'CacheFirst',
    options: {
      cacheName: 'pdf-worker',
      expiration: {
        maxEntries: 5,
        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 7) Google Fonts
  {
    urlPattern: /^https:\/\/fonts\.(?:googleapis|gstatic)\.com\/.*/i,
    handler: 'CacheFirst',
    options: {
      cacheName: 'google-fonts',
      expiration: {
        maxEntries: 10,
        maxAgeSeconds: 365 * 24 * 60 * 60, // 1 year
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 8) CSS files
  {
    urlPattern: /\.(?:css)$/i,
    handler: 'StaleWhileRevalidate',
    options: {
      cacheName: 'css-cache',
      expiration: {
        maxEntries: 50,
        maxAgeSeconds: 60 * 60 * 24 * 7, // 7 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 9) JavaScript files (catch-all for any missed JS)
  {
    urlPattern: /\.(?:js)$/i,
    handler: 'StaleWhileRevalidate',
    options: {
      cacheName: 'js-cache',
      expiration: {
        maxEntries: 100,
        maxAgeSeconds: 60 * 60 * 24 * 7, // 7 days
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },

  // 10) Manifest and other JSON files
  {
    urlPattern: /\.(?:json|xml)$/i,
    handler: 'NetworkFirst',
    options: {
      cacheName: 'json-cache',
      networkTimeoutSeconds: 3,
      expiration: {
        maxEntries: 20,
        maxAgeSeconds: 60 * 60 * 24, // 24 hours
      },
      cacheableResponse: {
        statuses: [0, 200],
      },
    },
  },
];