Plot Weaver

Brainstorm branching story plots from a single premise.

\n\n \n\n`;\n}\n\n// --- MAIN VAL HANDLER ---\nexport default async function (req: Request) {\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n const jobId = url.searchParams.get(\"jobId\");\n\n try {\n if (req.method === \"POST\" && action === \"start\") {\n const body = await req.json();\n const premise = body.premise;\n if (\n !premise || typeof premise !== \"string\" || premise.trim().length === 0\n ) {\n return new Response(\n JSON.stringify({ error: \"Story premise cannot be empty.\" }),\n {\n status: 400,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n const newJobId = nanoid();\n const rootNode: PlotNode = {\n id: nanoid(),\n plotPoint: premise,\n description: \"The starting point of our story.\",\n children: [],\n depth: 0,\n };\n\n await blob.setJSON(newJobId, {\n status: \"pending\",\n tree: rootNode,\n });\n\n // Fire and forget the background job\n buildStoryInBackground(newJobId, rootNode).catch(console.error);\n\n return new Response(JSON.stringify({ jobId: newJobId, tree: rootNode }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (req.method === \"GET\" && action === \"status\" && jobId) {\n const currentState = await blob.getJSON(jobId);\n if (!currentState) {\n return new Response(\n JSON.stringify({ status: \"error\", error: \"Job not found.\" }),\n { status: 404, headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n return new Response(JSON.stringify(currentState), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n } catch (error) {\n console.error(\"API Error:\", error);\n return new Response(\n JSON.stringify({\n error: error.message || \"An internal server error occurred.\",\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n // Fallback to serving HTML for all other GET requests\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(generateHtml(sourceUrl), {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}","deleted","label","plots",[99],"permalink","https://www.val.town/x/know/plot/code/main.ts","extension","actionData","errors"]