Browse Source
- Add Winston-based structured logging system with: - Separate console and file output formats - Custom SQLite and migration loggers - Configurable log levels and verbosity - Log rotation and file management - Type-safe logger extensions - Improve IPC handler management: - Add handler registration tracking - Implement proper cleanup before re-registration - Fix handler registration conflicts - Add better error handling for IPC operations - Add migration logging controls: - Configurable via DEBUG_MIGRATIONS env var - Reduced console noise while maintaining file logs - Structured migration status reporting Security: - Add proper log file permissions (0o755) - Implement log rotation to prevent disk space issues - Add type safety for all logging operations - Prevent handler registration conflicts Dependencies: - Add winston for enhanced logging - Remove deprecated @types/winston This change improves debugging capabilities while reducing console noise and fixing IPC handler registration issues that could cause database operation failures.sql-absurd-sql-further
Matthew Raymer
5 days ago
5 changed files with 571 additions and 280 deletions
@ -1,77 +1,140 @@ |
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/** |
/** |
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* Structured logging system for TimeSafari |
* Enhanced logging system for TimeSafari Electron |
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* Provides structured logging with proper levels and formatting |
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* Supports both console and file output with different verbosity levels |
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* |
* |
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* Provides consistent logging across the application with: |
* @author Matthew Raymer |
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* - Timestamp tracking |
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* - Log levels (debug, info, warn, error) |
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* - Structured data support |
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* - Component tagging |
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* |
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* @author Matthew Raymer <matthew.raymer@anomalistdesign.com> |
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* @version 1.0.0 |
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* @since 2025-06-01 |
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*/ |
*/ |
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// Log levels
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import winston from 'winston'; |
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export enum LogLevel { |
import path from 'path'; |
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DEBUG = 'DEBUG', |
import os from 'os'; |
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INFO = 'INFO', |
import fs from 'fs'; |
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WARN = 'WARN', |
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ERROR = 'ERROR' |
// Extend Winston Logger type with our custom loggers
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declare module 'winston' { |
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interface Logger { |
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sqlite: { |
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debug: (message: string, ...args: unknown[]) => void; |
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info: (message: string, ...args: unknown[]) => void; |
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warn: (message: string, ...args: unknown[]) => void; |
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error: (message: string, ...args: unknown[]) => void; |
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}; |
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migration: { |
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debug: (message: string, ...args: unknown[]) => void; |
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info: (message: string, ...args: unknown[]) => void; |
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warn: (message: string, ...args: unknown[]) => void; |
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error: (message: string, ...args: unknown[]) => void; |
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}; |
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} |
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} |
} |
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// Log entry interface
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// Ensure log directory exists
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interface LogEntry { |
const logDir = path.join(os.homedir(), 'Logs', 'TimeSafari'); |
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timestamp: string; |
if (!fs.existsSync(logDir)) { |
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level: LogLevel; |
fs.mkdirSync(logDir, { recursive: true, mode: 0o755 }); |
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component: string; |
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message: string; |
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data?: unknown; |
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} |
} |
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// Format log entry
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// Custom format for console output
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const formatLogEntry = (entry: LogEntry): string => { |
const consoleFormat = winston.format.combine( |
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const { timestamp, level, component, message, data } = entry; |
winston.format.timestamp(), |
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const dataStr = data ? ` ${JSON.stringify(data, null, 2)}` : ''; |
winston.format.colorize(), |
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return `[${timestamp}] [${level}] [${component}] ${message}${dataStr}`; |
winston.format.printf(({ level, message, timestamp, ...metadata }) => { |
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}; |
// Skip debug logs for migrations unless explicitly enabled
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if (level === 'debug' && |
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typeof message === 'string' && |
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message.includes('Migration') && |
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!process.env.DEBUG_MIGRATIONS) { |
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return ''; |
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} |
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// Create logger for a specific component
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let msg = `${timestamp} [${level}] ${message}`; |
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export const createLogger = (component: string) => { |
if (Object.keys(metadata).length > 0) { |
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const log = (level: LogLevel, message: string, data?: unknown) => { |
msg += ` ${JSON.stringify(metadata, null, 2)}`; |
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const entry: LogEntry = { |
} |
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timestamp: new Date().toISOString(), |
return msg; |
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level, |
}) |
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component, |
); |
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message, |
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data |
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}; |
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const formatted = formatLogEntry(entry); |
// Custom format for file output
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const fileFormat = winston.format.combine( |
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winston.format.timestamp(), |
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winston.format.json() |
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); |
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switch (level) { |
// Create logger instance
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case LogLevel.DEBUG: |
export const logger = winston.createLogger({ |
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console.debug(formatted); |
level: process.env.NODE_ENV === 'development' ? 'debug' : 'info', |
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break; |
format: fileFormat, |
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case LogLevel.INFO: |
defaultMeta: { service: 'timesafari-electron' }, |
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console.info(formatted); |
transports: [ |
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break; |
// Console transport with custom format
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case LogLevel.WARN: |
new winston.transports.Console({ |
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console.warn(formatted); |
format: consoleFormat, |
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break; |
level: process.env.NODE_ENV === 'development' ? 'debug' : 'info' |
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case LogLevel.ERROR: |
}), |
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console.error(formatted); |
// File transport for all logs
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break; |
new winston.transports.File({ |
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} |
filename: path.join(logDir, 'error.log'), |
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level: 'error', |
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maxsize: 5242880, // 5MB
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maxFiles: 5 |
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}), |
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// File transport for all logs including debug
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new winston.transports.File({ |
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filename: path.join(logDir, 'combined.log'), |
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maxsize: 5242880, // 5MB
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maxFiles: 5 |
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}) |
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] |
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}) as winston.Logger & { |
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sqlite: { |
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debug: (message: string, ...args: unknown[]) => void; |
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info: (message: string, ...args: unknown[]) => void; |
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warn: (message: string, ...args: unknown[]) => void; |
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error: (message: string, ...args: unknown[]) => void; |
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}; |
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migration: { |
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debug: (message: string, ...args: unknown[]) => void; |
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info: (message: string, ...args: unknown[]) => void; |
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warn: (message: string, ...args: unknown[]) => void; |
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error: (message: string, ...args: unknown[]) => void; |
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}; |
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}; |
}; |
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return { |
// Add SQLite specific logger
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debug: (message: string, data?: unknown) => log(LogLevel.DEBUG, message, data), |
logger.sqlite = { |
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info: (message: string, data?: unknown) => log(LogLevel.INFO, message, data), |
debug: (message: string, ...args: unknown[]) => { |
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warn: (message: string, data?: unknown) => log(LogLevel.WARN, message, data), |
logger.debug(`[SQLite] ${message}`, ...args); |
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error: (message: string, data?: unknown) => log(LogLevel.ERROR, message, data) |
}, |
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info: (message: string, ...args: unknown[]) => { |
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logger.info(`[SQLite] ${message}`, ...args); |
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}, |
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warn: (message: string, ...args: unknown[]) => { |
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logger.warn(`[SQLite] ${message}`, ...args); |
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}, |
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error: (message: string, ...args: unknown[]) => { |
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logger.error(`[SQLite] ${message}`, ...args); |
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} |
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}; |
}; |
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// Add migration specific logger
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logger.migration = { |
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debug: (message: string, ...args: unknown[]) => { |
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if (process.env.DEBUG_MIGRATIONS) { |
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logger.debug(`[Migration] ${message}`, ...args); |
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} |
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}, |
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info: (message: string, ...args: unknown[]) => { |
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logger.info(`[Migration] ${message}`, ...args); |
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}, |
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warn: (message: string, ...args: unknown[]) => { |
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logger.warn(`[Migration] ${message}`, ...args); |
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}, |
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error: (message: string, ...args: unknown[]) => { |
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logger.error(`[Migration] ${message}`, ...args); |
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} |
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}; |
}; |
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// Create default logger for SQLite operations
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// Export logger instance
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export const logger = createLogger('SQLite'); |
export default logger; |
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