AI Dream Sculptor

\n \n

\n\n\n\n`;\n}\n\n/**\n * Extracts a JSON object from a string that might contain conversational text.\n * This is a critical security and robustness function.\n */\nfunction extractJson(str: string): any | null {\n const match = str.match(/\\{.*\\}/s);\n if (!match) {\n return null;\n }\n try {\n return JSON.parse(match[0]);\n } catch (e) {\n console.error(\"Failed to parse extracted JSON:\", e);\n return null;\n }\n}\n\nexport default async function (req: Request) {\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n\n if (req.method === \"POST\" && action === \"generateShape\") {\n try {\n const openai = new OpenAI();\n const body = await req.json();\n const prompt = body.prompt;\n\n if (!prompt || typeof prompt !== \"string\" || prompt.trim().length === 0) {\n return new Response(\n JSON.stringify({ error: \"A valid text prompt is required.\" }),\n {\n status: 400,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: SHAPE_GENERATOR_PROMPT },\n { role: \"user\", content: `Prompt: \"${prompt}\"` },\n ],\n temperature: 0.6,\n response_format: { type: \"json_object\" },\n });\n\n const rawContent = completion.choices[0].message.content;\n if (!rawContent) {\n throw new Error(\"AI returned an empty response.\");\n }\n\n // Sanitize AI response by extracting JSON\n const parsedContent = extractJson(rawContent);\n if (!parsedContent) {\n throw new Error(\"AI response did not contain valid JSON.\");\n }\n\n // Validate the structure of the AI's output\n if (\n !parsedContent.vertices || !Array.isArray(parsedContent.vertices) ||\n !parsedContent.edges || !Array.isArray(parsedContent.edges) ||\n !parsedContent.reasoning\n ) {\n throw new Error(\"AI returned a malformed data structure.\");\n }\n\n return new Response(JSON.stringify(parsedContent), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n } catch (error) {\n console.error(\"AI Dream Sculptor Error:\", error);\n return new Response(\n JSON.stringify({\n error: error.message || \"An internal error occurred.\",\n }),\n {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n }\n\n // Serve the main HTML page for GET requests\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(generateHtml(sourceUrl), {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}","deleted","label",[98],"permalink","https://www.val.town/x/realtime/Speak3d/code/main.ts","extension","actionData","errors"]