This content is cached

Generated at: ${new Date().toISOString()}

\n \n \n `;\n\n return new Response(htmlContent, {\n headers: {\n \"content-type\": \"text/html\",\n ...etagResult, // Adds ETag and Cache-Control headers\n },\n });\n }\n}",6,[151],{"_152":153,"_104":230,"_109":233,"_155":139,"_169":234},["D",1738859482670],[235],{"_107":236,"_155":139,"_152":153,"_100":151,"_162":237,"_160":161,"_104":238,"_154":-5,"_109":233,"_156":230,"_165":-5,"_157":27,"_164":27,"_103":239},"84589f94-2780-11f0-b46e-569c3dd06744","\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hash = new Uint8Array(await crypto.subtle.digest('SHA-1', new TextEncoder().encode(hashInput))).reduce((a, b) => a + b.toString(16).padStart(2, '0'), '');\n const weakEtag = `W/\"${hash)\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n };\n}\n\n/**\n * Example usage demonstrating how to integrate etagWrapper into an HTTP val\n * This is a standalone example to show integration pattern\n */\nexport function exampleUsage() {\n /**\n * Demonstrates a typical HTTP val using the etagWrapper\n * Note: This is a conceptual example, not a runnable val\n */\n async function server(request: Request): Promise {\n // Import the etagWrapper dynamically\n const { default: etagWrapper } = await import(\n \"https://esm.town/v/yourUsername/etagWrapper\"\n );\n\n // Apply the etagWrapper\n const etagResult = await etagWrapper(request, import.meta.url);\n\n // If etagResult is a Response, it means the content is cached\n if (etagResult instanceof Response) {\n return etagResult;\n }\n\n // Generate your content\n const content = JSON.stringify({ \n message: \"Hello, Cached World!\", \n timestamp: new Date().toISOString() \n });\n\n // Return the response with ETag and cache headers\n return new Response(content, {\n headers: {\n 'content-type': 'application/json',\n ...etagResult // Spread the ETag and Cache-Control headers\n }\n });\n }\n}\n\n/**\n * Practical example of how to use in a real val\n * Shows integration pattern with a simple static content val\n */\nexport function practicalExample() {\n /**\n * A more concrete example of using etagWrapper\n * This demonstrates caching a simple HTML page\n */\n async function server(request: Request): Promise {\n const { default: etagWrapper } = await import(\n \"https://esm.town/v/yourUsername/etagWrapper\"\n );\n\n const etagResult = await etagWrapper(request, import.meta.url);\n\n if (etagResult instanceof Response) {\n return etagResult;\n }\n\n const htmlContent = `\n \n \n Cached Page\n \n

This content is cached

Generated at: ${new Date().toISOString()}

\n \n \n `;\n\n return new Response(htmlContent, {\n headers: {\n 'content-type': 'text/html',\n ...etagResult // Adds ETag and Cache-Control headers\n }\n });\n }\n}",5,[151],{"_152":153,"_104":238,"_109":241,"_155":139,"_169":242},["D",1738859411345],[243],{"_107":244,"_155":139,"_152":153,"_100":151,"_162":245,"_160":161,"_104":246,"_154":-5,"_109":241,"_156":238,"_165":-5,"_157":27,"_164":27,"_103":247},"8452c1c8-2780-11f0-b46e-569c3dd06744","import { createHash } from \"https://deno.land/std@0.224.0/crypto/mod.ts\";\n\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hashBuffer = await createHash('sha256').update(hashInput).digest();\n const weakEtag = `W/\"${Array.from(new Uint8Array(hashBuffer))\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n };\n}\n\n/**\n * Example usage demonstrating how to integrate etagWrapper into an HTTP val\n * This is a standalone example to show integration pattern\n */\nexport function exampleUsage() {\n /**\n * Demonstrates a typical HTTP val using the etagWrapper\n * Note: This is a conceptual example, not a runnable val\n */\n async function server(request: Request): Promise {\n // Import the etagWrapper dynamically\n const { default: etagWrapper } = await import(\n \"https://esm.town/v/yourUsername/etagWrapper\"\n );\n\n // Apply the etagWrapper\n const etagResult = await etagWrapper(request, import.meta.url);\n\n // If etagResult is a Response, it means the content is cached\n if (etagResult instanceof Response) {\n return etagResult;\n }\n\n // Generate your content\n const content = JSON.stringify({ \n message: \"Hello, Cached World!\", \n timestamp: new Date().toISOString() \n });\n\n // Return the response with ETag and cache headers\n return new Response(content, {\n headers: {\n 'content-type': 'application/json',\n ...etagResult // Spread the ETag and Cache-Control headers\n }\n });\n }\n}\n\n/**\n * Practical example of how to use in a real val\n * Shows integration pattern with a simple static content val\n */\nexport function practicalExample() {\n /**\n * A more concrete example of using etagWrapper\n * This demonstrates caching a simple HTML page\n */\n async function server(request: Request): Promise {\n const { default: etagWrapper } = await import(\n \"https://esm.town/v/yourUsername/etagWrapper\"\n );\n\n const etagResult = await etagWrapper(request, import.meta.url);\n\n if (etagResult instanceof Response) {\n return etagResult;\n }\n\n const htmlContent = `\n \n \n Cached Page\n \n

This content is cached

Generated at: ${new Date().toISOString()}

\n \n \n `;\n\n return new Response(htmlContent, {\n headers: {\n 'content-type': 'text/html',\n ...etagResult // Adds ETag and Cache-Control headers\n }\n });\n }\n}",4,[151],{"_152":153,"_104":246,"_109":249,"_155":139,"_169":250},["D",1738859383352],[251],{"_107":252,"_155":139,"_152":153,"_100":151,"_162":253,"_160":161,"_104":254,"_154":-5,"_109":249,"_156":246,"_165":-5,"_157":27,"_164":27,"_103":255},"844d80fa-2780-11f0-b46e-569c3dd06744","import { createHash } from \"https://deno.land/std@0.224.0/crypto/mod.ts\";\n\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hashBuffer = await createHash('sha256').update(hashInput).digest();\n const weakEtag = `W/\"${Array.from(new Uint8Array(hashBuffer))\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n // 3600 seconds = 1 hour of cache time\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n };\n}",3,[151],{"_152":153,"_104":254,"_109":257,"_155":139,"_169":258},["D",1738859364682],[259],{"_107":260,"_155":139,"_152":153,"_100":151,"_162":261,"_160":161,"_104":262,"_154":-5,"_109":257,"_156":254,"_165":-5,"_157":27,"_164":27,"_103":263},"844863f4-2780-11f0-b46e-569c3dd06744","import { createHash } from \"https://deno.land/std@0.224.0/crypto/mod.ts\";\n\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hashBuffer = await createHash('sha256').update(hashInput).digest();\n const weakEtag = `W/\"${Array.from(new Uint8Array(hashBuffer))\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n 'Cache-Control': 'public, max-age=3600, must-revalidate'\n };\n}",2,[151],{"_152":153,"_104":262,"_109":265,"_155":139,"_169":266},["D",1738859345181],[267],{"_107":268,"_155":139,"_152":153,"_100":151,"_162":269,"_160":161,"_104":175,"_154":-5,"_109":265,"_156":262,"_165":-5,"_157":27,"_164":27,"_103":270},"844341da-2780-11f0-b46e-569c3dd06744","import { createHash } from \"https://deno.land/std@0.224.0/crypto/mod.ts\";\n\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hashBuffer = await createHash('sha256').update(hashInput).digest();\n const weakEtag = `W/\"${Array.from(new Uint8Array(hashBuffer))\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n 'Cache-Control': 'no-cache, must-revalidate'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n 'Cache-Control': 'no-cache, must-revalidate'\n };\n}",[151],{"_152":153,"_104":175,"_109":272,"_155":139,"_169":273},["D",1738859324996],[274],{"_107":275,"_155":139,"_152":153,"_100":151,"_162":276,"_160":161,"_104":31,"_154":-5,"_109":272,"_156":175,"_165":-5,"_157":27,"_164":27,"_103":277},"843d5b30-2780-11f0-b46e-569c3dd06744","import { createHash } from \"https://deno.land/std@0.224.0/crypto/mod.ts\";\n\n/**\n * Generate a weak ETag and handle conditional GET requests\n * @param request The incoming HTTP request\n * @param metaUrl The import.meta.url of the parent val\n * @returns Either a cached 304 response or headers to add to the response\n */\nexport default async function etagWrapper(\n request: Request, \n metaUrl: string\n): Promise {\n // Only handle GET requests\n if (request.method !== 'GET') {\n return {};\n }\n\n // Create a hash from the import.meta.url and request URL\n const hashInput = `${metaUrl}:${request.url}`;\n const hashBuffer = await createHash('sha256').update(hashInput).digest();\n const weakEtag = `W/\"${Array.from(new Uint8Array(hashBuffer))\n .map(b => b.toString(16).padStart(2, '0'))\n .join('')\n .slice(0, 16)}\"`;\n\n // Check if the request includes an If-None-Match header\n const ifNoneMatch = request.headers.get('If-None-Match');\n \n if (ifNoneMatch === weakEtag) {\n // Return a 304 Not Modified response if etags match\n return new Response(null, { \n status: 304,\n headers: {\n 'ETag': weakEtag,\n 'Cache-Control': 'public, max-age=3600'\n }\n });\n }\n\n // Return headers to be added to the response\n return {\n 'ETag': weakEtag,\n 'Cache-Control': 'public, max-age=3600'\n };\n}",[151],"page","hasNext","routes/_app","actionData","errors"]

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