{"version":3,"file":"index.mjs","sources":["../../src/adapters/winston.ts","../../src/adapters/pino.ts"],"sourcesContent":["import { Logger, type LogLevel } from '../SimpleMcpLogger.js';\n\nimport TransportStream from 'winston-transport';\n\ninterface TransportStreamOptions {\n level?: string;\n silent?: boolean;\n handleExceptions?: boolean;\n handleRejections?: boolean;\n [key: string]: any;\n}\n\n/**\n * Winston transport that uses SimpleMcpLogger as the underlying logger\n */\nexport class SimpleMcpWinstonTransport extends TransportStream {\n private logger: Logger;\n private options: TransportStreamOptions;\n\n constructor(options: TransportStreamOptions & {\n mcpMode?: boolean;\n prefix?: string;\n logToFile?: string;\n } = {}) {\n super(options);\n this.options = options;\n\n const level = this.mapWinstonLevelToMcp(options.level || 'info');\n\n this.logger = new Logger({\n level,\n mcpMode: options.mcpMode || false,\n prefix: options.prefix,\n logToFile: options.logToFile\n });\n }\n\n /**\n * Emit method for Winston compatibility\n */\n emit(event: string, ...args: any[]): boolean {\n return super.emit(event, ...args);\n }\n\n /**\n * Map Winston log levels to SimpleMcpLogger levels\n */\n private mapWinstonLevelToMcp(winstonLevel: string): LogLevel {\n const levelMap: Record = {\n 'error': 'error',\n 'warn': 'warn',\n 'info': 'info',\n 'http': 'info',\n 'verbose': 'debug',\n 'debug': 'debug',\n 'silly': 'debug'\n };\n \n return levelMap[winstonLevel] || 'info';\n }\n\n\n\n /**\n * Log method called by Winston\n */\n log(info: any, callback?: () => void): void {\n const level = this.mapWinstonLevelToMcp(info.level);\n const message = info.message || '';\n\n // Extract metadata from the info object, excluding Winston-specific fields\n const { level: _, message: __, timestamp: ___, ...meta } = info;\n\n // Remove any Symbol properties and other Winston internals\n const cleanMeta: any = {};\n for (const [key, value] of Object.entries(meta)) {\n if (typeof key === 'string' && !key.startsWith('Symbol(') && key !== 'splat') {\n cleanMeta[key] = value;\n }\n }\n\n const args = Object.keys(cleanMeta).length > 0 ? [cleanMeta] : [];\n\n switch (level) {\n case 'debug':\n this.logger.debug(message, ...args);\n break;\n case 'info':\n this.logger.info(message, ...args);\n break;\n case 'warn':\n this.logger.warn(message, ...args);\n break;\n case 'error':\n this.logger.error(message, ...args);\n break;\n default:\n this.logger.info(message, ...args);\n }\n\n // Emit the 'logged' event as expected by Winston\n setImmediate(() => {\n this.emit('logged', info);\n });\n\n if (callback) {\n callback();\n }\n }\n\n /**\n * Set MCP mode\n */\n setMcpMode(enabled: boolean): void {\n this.logger.setMcpMode(enabled);\n }\n\n /**\n * Set log level\n */\n setLevel(level: LogLevel): void {\n this.logger.setLevel(level);\n }\n\n /**\n * Set prefix\n */\n setPrefix(prefix: string): void {\n this.logger.setPrefix(prefix);\n }\n\n /**\n * Create child logger\n */\n child(prefix: string): SimpleMcpWinstonTransport {\n const childLogger = this.logger.child(prefix);\n const transport = new SimpleMcpWinstonTransport(this.options);\n transport.logger = childLogger;\n return transport;\n }\n\n /**\n * Get the underlying SimpleMcpLogger instance\n */\n getLogger(): Logger {\n return this.logger;\n }\n\n /**\n * Set log file path\n */\n async setLogFile(filePath: string): Promise {\n await this.logger.setLogFile(filePath);\n }\n\n /**\n * Close file stream\n */\n async close(): Promise {\n await this.logger.close();\n }\n}\n\n/**\n * Factory function to create Winston transport\n */\nexport function createWinstonTransport(options: TransportStreamOptions & {\n mcpMode?: boolean;\n prefix?: string;\n logToFile?: string;\n} = {}): SimpleMcpWinstonTransport {\n return new SimpleMcpWinstonTransport(options);\n}\n","import { Logger, type LogLevel } from '../SimpleMcpLogger.js';\n\n/**\n * Pino transport that uses SimpleMcpLogger as the underlying logger\n */\nexport class SimpleMcpPinoTransport {\n private logger: Logger;\n private options: PinoTransportOptions;\n\n constructor(options: PinoTransportOptions = {}) {\n this.options = options;\n const level = this.mapPinoLevelToMcp(options.level || 'info');\n\n this.logger = new Logger({\n level,\n mcpMode: options.mcpMode || false,\n prefix: options.prefix,\n logToFile: options.logToFile\n });\n }\n\n /**\n * Map Pino log levels to SimpleMcpLogger levels\n */\n private mapPinoLevelToMcp(pinoLevel: string | number): LogLevel {\n if (typeof pinoLevel === 'number') {\n if (pinoLevel >= 60) return 'error';\n if (pinoLevel >= 50) return 'error';\n if (pinoLevel >= 40) return 'warn';\n if (pinoLevel >= 30) return 'info';\n if (pinoLevel >= 20) return 'debug';\n return 'debug';\n }\n \n const levelMap: Record = {\n 'fatal': 'error',\n 'error': 'error',\n 'warn': 'warn',\n 'info': 'info',\n 'debug': 'debug',\n 'trace': 'debug'\n };\n \n return levelMap[pinoLevel] || 'info';\n }\n\n /**\n * Transform function for Pino transport\n */\n transform(chunk: any): void {\n try {\n const logObj = typeof chunk === 'string' ? JSON.parse(chunk) : chunk;\n const level = this.mapPinoLevelToMcp(logObj.level);\n const message = logObj.msg || '';\n\n // Extract metadata from the log object, excluding Pino-specific fields\n const { level: _, msg: __, time: ___, hostname: ____, pid: _____, ...meta } = logObj;\n\n // Remove any other Pino internals that might be present\n const cleanMeta: any = {};\n for (const [key, value] of Object.entries(meta)) {\n if (typeof key === 'string' && !key.startsWith('Symbol(') && key !== 'v') {\n cleanMeta[key] = value;\n }\n }\n\n const args = Object.keys(cleanMeta).length > 0 ? [cleanMeta] : [];\n\n switch (level) {\n case 'debug':\n this.logger.debug(message, ...args);\n break;\n case 'info':\n this.logger.info(message, ...args);\n break;\n case 'warn':\n this.logger.warn(message, ...args);\n break;\n case 'error':\n this.logger.error(message, ...args);\n break;\n default:\n this.logger.info(message, ...args);\n }\n } catch (error) {\n this.logger.error('Failed to parse log message', error);\n }\n }\n\n /**\n * Set MCP mode\n */\n setMcpMode(enabled: boolean): void {\n this.logger.setMcpMode(enabled);\n }\n\n /**\n * Set log level\n */\n setLevel(level: LogLevel): void {\n this.logger.setLevel(level);\n }\n\n /**\n * Set prefix\n */\n setPrefix(prefix: string): void {\n this.logger.setPrefix(prefix);\n }\n\n /**\n * Create child logger\n */\n child(prefix: string): SimpleMcpPinoTransport {\n const childLogger = this.logger.child(prefix);\n const transport = new SimpleMcpPinoTransport(this.options);\n transport.logger = childLogger;\n return transport;\n }\n\n /**\n * Get the underlying SimpleMcpLogger instance\n */\n getLogger(): Logger {\n return this.logger;\n }\n\n /**\n * Set log file path\n */\n async setLogFile(filePath: string): Promise {\n await this.logger.setLogFile(filePath);\n }\n\n /**\n * Close file stream\n */\n async close(): Promise {\n await this.logger.close();\n }\n}\n\n/**\n * Options for Pino transport\n */\nexport interface PinoTransportOptions {\n level?: LogLevel;\n mcpMode?: boolean;\n prefix?: string;\n logToFile?: string;\n}\n\n/**\n * Factory function to create Pino transport\n */\nexport function createPinoTransport(options: PinoTransportOptions = {}): SimpleMcpPinoTransport {\n return new SimpleMcpPinoTransport(options);\n}\n\n/**\n * Create a Pino destination that uses SimpleMcpLogger\n */\nexport function createPinoDestination(options: PinoTransportOptions = {}) {\n const transport = new SimpleMcpPinoTransport(options);\n \n return {\n write(chunk: any) {\n transport.transform(chunk);\n },\n async end() {\n await transport.close();\n },\n async destroy() {\n await transport.close();\n }\n };\n}\n\n/**\n * Create a Pino logger that uses SimpleMcpLogger as the underlying transport\n * Note: This function requires Pino to be installed and available in the environment\n *\n * @deprecated This function uses dynamic imports which are not bundler-friendly.\n * Instead, import Pino directly in your application and use createPinoDestination:\n *\n * ```typescript\n * import pino from 'pino';\n * import { createPinoDestination } from '@alcyone-labs/simple-mcp-logger';\n *\n * const destination = createPinoDestination({ level: 'info' });\n * const logger = pino({ level: 'info' }, destination);\n * ```\n */\nexport function createPinoLogger(_options: PinoTransportOptions & {\n name?: string;\n} = {}) {\n // Check if we're in a browser environment\n if (typeof window !== 'undefined') {\n throw new Error('createPinoLogger is not supported in browser environments. Use createPinoDestination with a browser-compatible Pino build instead.');\n }\n\n // Throw an error encouraging users to import Pino directly for better bundling\n throw new Error(\n 'createPinoLogger is deprecated for bundling compatibility. 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