better-payment/dist/adapters/node.mjs.map

Unified payment gateway library for Turkish payment providers

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{ BetterPayHandler, BetterPayRequest } from '../core/BetterPayHandler';\nimport type { Request, Response } from 'express';\nimport type { IncomingMessage, ServerResponse } from 'http';\n\n/**\n * Express/Node.js adapter for BetterPay\n *\n * Bu adapter, BetterPay handler'ını Express ve standart Node.js HTTP server ile uyumlu hale getirir.\n *\n * @example Express.js (v4):\n * ```typescript\n * import express from 'express';\n * import { betterPay } from './payment';\n * import { toExpressHandler } from 'better-pay/node';\n *\n * const app = express();\n *\n * // IMPORTANT: Don't use express.json() before the Better Pay handler\n * // or the client API will get stuck on \"pending\"\n * app.all('/api/pay/*', toExpressHandler(betterPay.handler));\n *\n * // Use express.json() AFTER the Better Pay handler\n * app.use(express.json());\n * ```\n *\n * @example Express.js (v5):\n * ```typescript\n * // Express v5 uses new wildcard syntax\n * app.all('/api/pay/{*any}', toExpressHandler(betterPay.handler));\n * ```\n *\n * @example Standard Node.js HTTP server:\n * ```typescript\n * import http from 'http';\n * import { betterPay } from './payment';\n * import { toNodeHttpHandler } from 'better-pay/node';\n *\n * const handler = toNodeHttpHandler(betterPay.handler);\n *\n * const server = http.createServer((req, res) => {\n *   if (req.url?.startsWith('/api/pay')) {\n *     return handler(req, res);\n *   }\n *   // Other routes...\n * });\n * ```\n */\n\n/**\n * Express middleware adapter\n *\n * @param handler - BetterPayHandler instance\n * @returns Express middleware function\n */\nexport function toExpressHandler(handler: BetterPayHandler) {\n  return async (req: Request, res: Response) => {\n    try {\n      // Construct full URL\n      const protocol = req.protocol || 'http';\n      const host = req.get('host') || 'localhost';\n      const url = `${protocol}://${host}${req.originalUrl || req.url}`;\n\n      // Express Request'i BetterPayRequest'e dönüştür\n      const betterPayRequest: BetterPayRequest = {\n        method: req.method,\n        url,\n        headers: req.headers as Record<string, string>,\n        body: await parseExpressBody(req),\n      };\n\n      // Handler'ı çağır\n      const response = await handler.handle(betterPayRequest);\n\n      // Response headers'ı set et\n      Object.entries(response.headers).forEach(([key, value]) => {\n        res.setHeader(key, value);\n      });\n\n      // Response'u gönder\n      res.status(response.status).json(response.body);\n    } catch (error: any) {\n      // Error'u next()'e ilet veya doğrudan response gönder\n      res.status(500).json({\n        error: true,\n        message: error.message || 'Internal server error',\n      });\n    }\n  };\n}\n\n/**\n * Standard Node.js HTTP server adapter\n *\n * @param handler - BetterPayHandler instance\n * @returns Node.js HTTP request handler\n */\nexport function toNodeHttpHandler(handler: BetterPayHandler) {\n  return async (req: IncomingMessage, res: ServerResponse) => {\n    try {\n      // Construct full URL\n      const protocol = (req as any).protocol || 'http';\n      const host = req.headers.host || 'localhost';\n      const url = `${protocol}://${host}${req.url}`;\n\n      // Node.js Request'i BetterPayRequest'e dönüştür\n      const betterPayRequest: BetterPayRequest = {\n        method: req.method || 'GET',\n        url,\n        headers: req.headers as Record<string, string>,\n        body: await parseNodeHttpBody(req),\n      };\n\n      // Handler'ı çağır\n      const response = await handler.handle(betterPayRequest);\n\n      // Response headers'ı set et\n      res.writeHead(response.status, {\n        ...response.headers,\n        'Content-Type': 'application/json',\n      });\n\n      // Response'u gönder\n      res.end(JSON.stringify(response.body));\n    } catch (error: any) {\n      res.writeHead(500, { 'Content-Type': 'application/json' });\n      res.end(\n        JSON.stringify({\n          error: true,\n          message: error.message || 'Internal server error',\n        })\n      );\n    }\n  };\n}\n\n/**\n * Express request body'sini parse et\n */\nasync function parseExpressBody(req: Request): Promise<any> {\n  // GET request - query params\n  if (req.method === 'GET') {\n    return Object.keys(req.query).length > 0 ? req.query : undefined;\n  }\n\n  // POST request - body already parsed by express.json() if it was called before\n  if (req.body && Object.keys(req.body).length > 0) {\n    return req.body;\n  }\n\n  // If express.json() not called, manually parse the body\n  return new Promise((resolve) => {\n    let body = '';\n    req.on('data', (chunk) => {\n      body += chunk.toString();\n    });\n    req.on('end', () => {\n      try {\n        resolve(body ? JSON.parse(body) : undefined);\n      } catch {\n        resolve(body || undefined);\n      }\n    });\n  });\n}\n\n/**\n * Standard Node.js HTTP request body'sini parse et\n */\nasync function parseNodeHttpBody(req: IncomingMessage): Promise<any> {\n  // GET request - extract query params from URL\n  if (req.method === 'GET') {\n    const url = new URL(req.url || '', `http://${req.headers.host}`);\n    const params: Record<string, any> = {};\n    url.searchParams.forEach((value, key) => {\n      params[key] = value;\n    });\n    return Object.keys(params).length > 0 ? params : undefined;\n  }\n\n  // POST request - parse body\n  return new Promise((resolve) => {\n    let body = '';\n    req.on('data', (chunk: Buffer) => {\n      body += chunk.toString();\n    });\n    req.on('end', () => {\n      try {\n        const contentType = req.headers['content-type'] || '';\n\n        if (contentType.includes('application/json')) {\n          resolve(body ? JSON.parse(body) : undefined);\n        } else if (contentType.includes('application/x-www-form-urlencoded')) {\n          // Parse form data\n          const params: Record<string, any> = {};\n          body.split('&').forEach((pair) => {\n            const [key, value] = pair.split('=');\n            if (key) {\n              params[decodeURIComponent(key)] = decodeURIComponent(value || '');\n            }\n          });\n          resolve(params);\n        } else {\n          resolve(body || undefined);\n        }\n      } catch {\n        resolve(body || undefined);\n      }\n    });\n  });\n}\n\n/**\n * Alias for backwards compatibility\n * @deprecated Use toExpressHandler or toNodeHttpHandler instead\n */\nexport const toNodeHandler = toExpressHandler;\n"]}