AI 3D Word Cloud

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AI is analyzing your text...

\n\n\n\n`;\n}\n\n// --- BACKEND LOGIC (Unchanged) ---\nexport default async function(req: Request) {\n const url = new URL(req.url);\n\n if (req.method === \"POST\") {\n const { readable, writable } = new TransformStream();\n const writer = writable.getWriter();\n const textEncoder = new TextEncoder();\n\n (async () => {\n try {\n const openai = new OpenAI();\n const body = await req.json();\n const text = body.text;\n\n if (!text || typeof text !== \"string\" || text.trim().length === 0) {\n throw new Error(\"Input text cannot be empty.\");\n }\n\n const messages = [\n { role: \"system\", content: WORD_FREQUENCY_PROMPT },\n { role: \"user\", content: text },\n ];\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: messages,\n temperature: 0.2,\n response_format: { type: \"json_object\" },\n });\n\n const content = completion.choices[0].message.content;\n const parsedContent = JSON.parse(content);\n\n if (!parsedContent.words || !Array.isArray(parsedContent.words)) {\n throw new Error(\"AI returned a malformed data structure.\");\n }\n\n await writer.write(textEncoder.encode(content));\n } catch (error) {\n console.error(\"AI Word Cloud Error:\", error);\n const errorPayload = JSON.stringify({ error: error.message || \"An unknown error occurred.\" });\n try {\n await writer.write(textEncoder.encode(errorPayload));\n } catch (writeError) {\n console.error(\"Failed to write error to stream:\", writeError);\n }\n } finally {\n await writer.close();\n }\n })();\n\n return new Response(readable, {\n headers: { \"Content-Type\": \"application/json; charset=utf-8\" },\n });\n }\n\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(generateHtml(sourceUrl), { headers: { \"Content-Type\": \"text/html\" } });\n}","deleted","label","word-cloud",[98],"permalink","https://www.val.town/x/join/wordcloud/code/main.tsx","extension","actionData","errors"]