old_contents: const SIX_MONTHS_IN_SECONDS = 15552000;
  
  const STATIC_ASSET_PATHS = [
    '/public/font/font-v1.css',
    '/public/font/v1/300.woff',
    '/public/font/v1/300i.woff',
    '/public/font/v1/400.woff',
    '/public/font/v1/400i.woff',
    '/public/font/v1/700.woff',
    '/public/font/v1/700i.woff',
    '/public/favicon.png',
    '/public/img/busy.gif',
    '/public/img/fileRenderPlaceholder.gif',
    '/public/img/gerbil-happy.png',
    '/public/img/gerbil-sad.png',
    '/public/img/placeholder.png',
    '/public/img/thumbnail-broken.png',
    '/public/img/thumbnail-missing.png',
    '/public/img/total-background.png',
  ];
  
  async function redirectMiddleware(ctx, next) {
    const {
      request: { url },
    } = ctx;
  
    if (STATIC_ASSET_PATHS.includes(url) || (url.startsWith('/public/ui-') && url.endsWith('.js'))) {
      ctx.set('Cache-Control', `public, max-age=${SIX_MONTHS_IN_SECONDS}`);
    }
  
    return next();
  }
  
  module.exports = redirectMiddleware;
  
new_contents: const SIX_MONTHS_IN_SECONDS = 15552000;
  
  const STATIC_ASSET_PATHS = [
    '/public/font/font-v1.css',
    '/public/font/v1/300.woff',
    '/public/font/v1/300i.woff',
    '/public/font/v1/400.woff',
    '/public/font/v1/400i.woff',
    '/public/font/v1/700.woff',
    '/public/font/v1/700i.woff',
    '/public/favicon.png',
    '/public/img/busy.gif',
    '/public/img/fileRenderPlaceholder.png',
    '/public/img/gerbil-happy.png',
    '/public/img/gerbil-sad.png',
    '/public/img/placeholder.png',
    '/public/img/thumbnail-broken.png',
    '/public/img/thumbnail-missing.png',
    '/public/img/total-background.png',
  ];
  
  async function redirectMiddleware(ctx, next) {
    const {
      request: { url },
    } = ctx;
  
    if (STATIC_ASSET_PATHS.includes(url) || (url.startsWith('/public/ui-') && url.endsWith('.js'))) {
      ctx.set('Cache-Control', `public, max-age=${SIX_MONTHS_IN_SECONDS}`);
    }
  
    return next();
  }
  
  module.exports = redirectMiddleware;
  
subject: Fix typo in filename