AI SVG Architect

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Input Description

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Generated Output

\n Your generated SVG will appear here.\n

\n\n\n\n`;\n}\n\n// --- BACKEND ROUTING & LOGIC ---\n\nconst app = new Hono();\n\napp.use(\"/api/*\", cors());\n\napp.post(\"/api/generate\", async (c) => {\n try {\n const body = await c.req.json();\n const description = body.description;\n\n if (\n !description || typeof description !== \"string\" ||\n description.trim().length === 0\n ) {\n return c.json({\n error: \"A valid 'description' is required in the request body.\",\n }, 400);\n }\n\n const openai = new OpenAI();\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: SVG_GENERATOR_PROMPT },\n { role: \"user\", content: `Description: \"${description}\"` },\n ],\n temperature: 0.5,\n });\n\n const rawSvg = completion.choices[0].message.content;\n if (!rawSvg) {\n return c.json({ error: \"The AI failed to generate a response.\" }, 500);\n }\n\n const { isValid, sanitizedSvg, reason } = sanitizeSvg(rawSvg);\n if (!isValid) {\n console.error(\"AI Response Failed Validation:\", reason);\n return c.json({ error: `AI response failed validation: ${reason}` }, 500);\n }\n\n return new Response(sanitizedSvg, {\n headers: { \"Content-Type\": \"image/svg+xml\" },\n });\n } catch (error) {\n console.error(\"Server Error:\", error);\n return c.json({ error: \"An internal server error occurred.\" }, 500);\n }\n});\n\napp.get(\"*\", (c) => {\n const url = new URL(c.req.url);\n // Ensure the base URL passed to the client always ends with a slash\n const sourceUrl = `https://${url.hostname}${\n url.pathname.endsWith(\"/\") ? url.pathname : url.pathname + \"/\"\n }`;\n return c.html(generateHtml(sourceUrl));\n});\n\nexport default app.fetch;","deleted","label",[98],"permalink","https://www.val.town/x/volt/svg/code/main.ts","extension","actionData","errors"]