Prerequisite Tree Generator

\n\n\n`;\n}\n\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const path = url.pathname;\n const headers = { \"Content-Type\": \"application/json\" };\n\n try {\n if (req.method === \"POST\" && path.endsWith(\"/start\")) {\n const { fact } = await req.json();\n if (!fact || typeof fact !== \"string\" || fact.trim().length === 0) {\n throw new Error(\"A valid, non-empty 'fact' string is required.\");\n }\n\n const jobId = nanoid();\n const rootNode: FactNode = {\n id: nanoid(),\n fact: fact,\n children: [],\n depth: 0,\n };\n\n await blob.setJSON(jobId, { status: \"processing\", tree: rootNode });\n\n buildTreeInBackground(jobId, rootNode);\n\n return new Response(JSON.stringify({ jobId }), { headers });\n }\n\n if (req.method === \"GET\" && path.endsWith(\"/status\")) {\n const jobId = url.searchParams.get(\"jobId\");\n if (!jobId) {\n throw new Error(\"A 'jobId' query parameter is required.\");\n }\n const state = (await blob.getJSON(jobId)) ||\n { status: \"error\", error: \"Job not found.\" };\n return new Response(JSON.stringify(state), { headers });\n }\n\n if (req.method === \"GET\" && path === \"/\") {\n const sourceUrl = `https://${url.hostname}${\n url.pathname.substring(0, url.pathname.lastIndexOf(\"/\"))\n }`;\n return new Response(generateHtml(sourceUrl), {\n headers: { \"Content-Type\": \"text/html\" },\n });\n }\n } catch (error) {\n const errorMessage = error instanceof Error\n ? error.message\n : \"An unknown server error occurred.\";\n return new Response(JSON.stringify({ error: errorMessage }), {\n status: 400,\n headers,\n });\n }\n\n return new Response(JSON.stringify({ error: \"Not Found\" }), {\n status: 404,\n headers,\n });\n}","deleted","label","children",[],[154],"files",[152],"counts",{"_176":32,"_177":135,"_178":32,"_179":32},"pulls","branches","forks","envVars","contents",[182],{"_102":153,"_95":154,"_155":156,"_157":-5,"_158":136,"_159":135,"_160":161,"_104":183,"_99":32,"_163":164,"_165":166,"_167":22,"_168":-5,"_98":184},["D",1758100184993],[154],"file","upstreamProject",{"_102":144,"_95":96,"_110":-5,"_111":-5,"_108":109,"_23":188},{"_93":189,"_128":190},"know","https://img.clerk.com/eyJ0eXBlIjoiZGVmYXVsdCIsImlpZCI6Imluc18yTm10cGhQUklwU0tqZHNiOHNnNGd2ZjJURFUiLCJyaWQiOiJ1c2VyXzMyM3VrSDUwUHVtN3dEOWd0YmpNUWZkaXdMSSJ9","upstreamBranch",{"_102":139,"_104":193,"_194":195,"_95":43,"_137":144,"_99":196,"_138":-5,"_140":-5,"_197":198,"_106":-5,"_149":22,"_108":109,"_148":189,"_16":146,"_147":96},["D",1758002355055],"updatedAt",["D",1758101356297],28,"lockfileKey","1758101356475-esm.town_v_know_untitled-8620@28-main","emptyEnvVars","isNew","flags",[],"routes/_app.x.$handle.$name._index",{"_93":94,"_95":96,"_97":-7,"_99":-7,"_100":205,"_180":210,"_213":-7,"_214":215,"_218":-5,"_172":219,"_223":224},{"_102":103,"_95":96,"_104":206,"_106":-5,"_107":22,"_108":109,"_110":-5,"_111":-5,"_14":112,"_113":-5,"_114":22,"_115":-5,"_116":32,"_16":117,"_118":119,"_120":119,"_121":122,"_123":122,"_124":122,"_125":119,"_126":119,"_23":207,"_130":208,"_133":209,"_149":22},["D",1758100184993],{"_93":94,"_128":129},{"_93":94,"_132":129},{"_99":135,"_95":43,"_102":136,"_137":103,"_138":139,"_140":141,"_142":109,"_143":144,"_145":146,"_147":96,"_148":94},[211],{"_102":153,"_95":154,"_155":156,"_157":-5,"_158":136,"_159":135,"_160":161,"_104":183,"_99":32,"_163":164,"_165":166,"_167":22,"_168":-5,"_98":212},[154],"readme","upstream",{"_102":139,"_104":216,"_194":217,"_95":43,"_137":144,"_99":196,"_138":-5,"_140":-5,"_197":198,"_106":-5,"_149":22,"_108":109,"_148":189,"_16":146,"_147":96},["D",1758002355055],["D",1758101356297],"pull",[220],{"_102":153,"_95":154,"_155":156,"_157":-5,"_158":136,"_159":135,"_160":161,"_104":162,"_99":32,"_163":164,"_165":166,"_167":22,"_168":-5,"_169":221,"_98":222},[],[154],"previews",[220],"actionData","errors"]