{"repo": "albertolive/ai-gateway", "files": {"app-callers/gateway-client.js": {"173abdc4d6548cad558be237ed5eecb7279505a3": {"t": 1786068266.912477, "n": 3104, "h": "0f5a57b5d10afbc3", "c": "// Vendored ai-gateway client for application runtime code (not CI).\n//\n// Copy this single file into your app. It fetches the shared provider/model\n// config from ai-gateway's models.json on each call, so swapping a model or\n// adding a provider (e.g. a paid one like DeepSeek) is a one-line edit in\n// ai-gateway -- this file and your app code never change. If the fetch fails\n// (GitHub outage), it falls back to OpenRouter's free auto-router so the app\n// doesn't hard-fail on a transient network issue.\n//\n// Usage:\n//   const { complete } = require(\"./gateway-client\");\n//   const text = await complete(\"Summarize this weather forecast: ...\");\n//   const text = await complete(\"...\", { cascade: \"deepseek_cheap\" }); // paid, needs DEEPSEEK_API_KEY\n//\n// Env: one API key per provider you use (OPENROUTER_API_KEY, DEEPSEEK_API_KEY,\n//      GEMINI_API_KEY, GROQ_API_KEY). Only providers with a key set are tried.\n\nconst CONFIG_URL =\n  \"https://raw.githubusercontent.com/albertolive/ai-gateway/main/models.json\";\n\nconst FALLBACK_PROVIDERS = {\n  openrouter: { url: \"https://openrouter.ai/api/v1\", key_env: \"OPENROUTER_API_KEY\" },\n};\nconst FALLBACK_ENTRIES = [{ provider: \"openrouter\", model: \"openrouter/free\" }];\n\nasync function loadConfig(timeoutMs = 10000) {\n  try {\n    const res = await fetch(CONFIG_URL, { signal: AbortSignal.timeout(timeoutMs) });\n    return await res.json();\n  } catch {\n    return { providers: FALLBACK_PROVIDERS, cascades: {} };\n  }\n}\n\nasync function complete(prompt, { cascade = \"general\", system, temperature = 0.1 } = {}) {\n  const config = await loadConfig();\n  const providers = Object.keys(config.providers || {}).length\n    ? config.providers\n    : FALLBACK_PROVIDERS;\n  const entries = (config.cascades && config.cascades[cascade]) || FALLBACK_ENTRIES;\n\n  const errors = [];\n  for (const entry of entries) {\n    const provider = providers[entry.provider];\n    if (!provider) {\n      errors.push(`${entry.provider}/${entry.model}: unknown provider '${entry.provider}'`);\n      continue;\n    }\n    const apiKey = process.env[provider.key_env];\n    if (!apiKey) {\n      errors.push(`${entry.provider}/${entry.model}: ${provider.key_env} not set`);\n      continue;\n    }\n\n    const messages = [\n      ...(system ? [{ role: \"system\", content: system }] : []),\n      { role: \"user\", content: prompt },\n    ];\n\n    try {\n      const res = await fetch(`${provider.url.replace(/\\/$/, \"\")}/chat/completions`, {\n        method: \"POST\",\n        headers: {\n          Authorization: `Bearer ${apiKey}`,\n          \"Content-Type\": \"application/json\",\n        },\n        body: JSON.stringify({ model: entry.model, messages, temperature }),\n      });\n      if (!res.ok) throw new Error(`HTTP ${res.status}: ${await res.text()}`);\n      const body = await res.json();\n      return body.choices[0].message.content;\n    } catch (e) {\n      errors.push(`${entry.provider}/${entry.model}: ${e}`);\n    }\n  }\n\n  throw new Error(\n    `All providers in cascade '${cascade}' failed or were unconfigured:\\n` +\n      errors.map((e) => `  - ${e}`).join(\"\\n\")\n  );\n}\n\nmodule.exports = { complete };\n"}}}}