Initial commit: Brainy - Multi-Dimensional AI Database
Open source vector database with HNSW indexing, graph relationships, and metadata facets. Features CLI with professional augmentation registry integration for discovering extensions and capabilities.
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dist/utils/logger.js
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217
dist/utils/logger.js
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/**
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* Centralized logging utility for Brainy
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* Provides configurable log levels and consistent logging across the codebase
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* Automatically reduces logging in production environments to minimize costs
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*/
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import { isProductionEnvironment, getLogLevel } from './environment.js';
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export var LogLevel;
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(function (LogLevel) {
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LogLevel[LogLevel["ERROR"] = 0] = "ERROR";
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LogLevel[LogLevel["WARN"] = 1] = "WARN";
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LogLevel[LogLevel["INFO"] = 2] = "INFO";
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LogLevel[LogLevel["DEBUG"] = 3] = "DEBUG";
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LogLevel[LogLevel["TRACE"] = 4] = "TRACE";
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})(LogLevel || (LogLevel = {}));
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class Logger {
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constructor() {
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this.config = {
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level: LogLevel.ERROR, // Default to ERROR in production for cost optimization
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timestamps: false, // Disable timestamps in production to reduce log size
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includeModule: true
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};
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// Auto-detect production environment and set appropriate defaults
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this.applyEnvironmentDefaults();
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// Set log level from environment variable if available (overrides auto-detection)
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const envLogLevel = process.env.BRAINY_LOG_LEVEL;
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if (envLogLevel) {
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const level = LogLevel[envLogLevel.toUpperCase()];
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if (level !== undefined) {
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this.config.level = level;
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}
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}
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// Parse module-specific log levels
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const moduleLogLevels = process.env.BRAINY_MODULE_LOG_LEVELS;
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if (moduleLogLevels) {
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try {
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this.config.modules = JSON.parse(moduleLogLevels);
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}
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catch (e) {
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// Ignore parsing errors
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}
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}
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}
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applyEnvironmentDefaults() {
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const envLogLevel = getLogLevel();
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// Convert environment log level to Logger LogLevel
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switch (envLogLevel) {
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case 'silent':
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this.config.level = -1; // Below ERROR to silence all logs
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break;
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case 'error':
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this.config.level = LogLevel.ERROR;
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this.config.timestamps = false; // Minimize log size in production
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break;
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case 'warn':
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this.config.level = LogLevel.WARN;
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this.config.timestamps = false;
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break;
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case 'info':
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this.config.level = LogLevel.INFO;
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this.config.timestamps = true;
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break;
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case 'verbose':
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this.config.level = LogLevel.DEBUG;
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this.config.timestamps = true;
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break;
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}
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// In production environments, be extra conservative to minimize costs
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if (isProductionEnvironment()) {
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this.config.level = Math.min(this.config.level, LogLevel.ERROR);
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this.config.timestamps = false;
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this.config.includeModule = false; // Reduce log size
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}
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}
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static getInstance() {
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if (!Logger.instance) {
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Logger.instance = new Logger();
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}
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return Logger.instance;
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}
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configure(config) {
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this.config = { ...this.config, ...config };
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}
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shouldLog(level, module) {
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// Check module-specific level first
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if (this.config.modules && this.config.modules[module] !== undefined) {
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return level <= this.config.modules[module];
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}
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// Otherwise use global level
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return level <= this.config.level;
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}
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formatMessage(level, module, message) {
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const parts = [];
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if (this.config.timestamps) {
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parts.push(`[${new Date().toISOString()}]`);
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}
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parts.push(`[${LogLevel[level]}]`);
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if (this.config.includeModule) {
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parts.push(`[${module}]`);
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}
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parts.push(message);
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return parts.join(' ');
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}
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log(level, module, message, ...args) {
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if (!this.shouldLog(level, module)) {
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return;
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}
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if (this.config.handler) {
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this.config.handler(level, module, message, ...args);
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return;
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}
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const formattedMessage = this.formatMessage(level, module, message);
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switch (level) {
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case LogLevel.ERROR:
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console.error(formattedMessage, ...args);
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break;
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case LogLevel.WARN:
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console.warn(formattedMessage, ...args);
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break;
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case LogLevel.INFO:
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console.info(formattedMessage, ...args);
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break;
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case LogLevel.DEBUG:
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case LogLevel.TRACE:
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console.log(formattedMessage, ...args);
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break;
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}
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}
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error(module, message, ...args) {
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this.log(LogLevel.ERROR, module, message, ...args);
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}
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warn(module, message, ...args) {
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this.log(LogLevel.WARN, module, message, ...args);
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}
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info(module, message, ...args) {
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this.log(LogLevel.INFO, module, message, ...args);
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}
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debug(module, message, ...args) {
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this.log(LogLevel.DEBUG, module, message, ...args);
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}
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trace(module, message, ...args) {
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this.log(LogLevel.TRACE, module, message, ...args);
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}
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// Create a module-specific logger
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createModuleLogger(module) {
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return {
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error: (message, ...args) => this.error(module, message, ...args),
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warn: (message, ...args) => this.warn(module, message, ...args),
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info: (message, ...args) => this.info(module, message, ...args),
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debug: (message, ...args) => this.debug(module, message, ...args),
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trace: (message, ...args) => this.trace(module, message, ...args)
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};
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}
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}
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// Export singleton instance
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export const logger = Logger.getInstance();
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// Export convenience function for creating module loggers
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export function createModuleLogger(module) {
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return logger.createModuleLogger(module);
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}
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// Export function to configure logger
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export function configureLogger(config) {
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logger.configure(config);
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}
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/**
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* Smart console replacement that automatically reduces logging in production
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* Dramatically reduces Google Cloud Run logging costs
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*
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* Usage: Replace console.log with smartConsole.log, etc.
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*/
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export const smartConsole = {
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log: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.INFO, 'console')) {
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console.log(message, ...args);
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}
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},
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info: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.INFO, 'console')) {
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console.info(message, ...args);
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}
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},
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warn: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.WARN, 'console')) {
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console.warn(message, ...args);
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}
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},
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error: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.ERROR, 'console')) {
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console.error(message, ...args);
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}
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},
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debug: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.DEBUG, 'console')) {
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console.debug(message, ...args);
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}
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},
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trace: (message, ...args) => {
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if (logger['shouldLog'](LogLevel.TRACE, 'console')) {
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console.trace(message, ...args);
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}
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}
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};
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/**
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* Production-optimized logging functions
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* These only log in non-production environments or when explicitly enabled
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*/
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export const prodLog = {
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// Only log errors in production (always visible)
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error: (message, ...args) => {
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console.error(message, ...args);
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},
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// These are suppressed in production unless BRAINY_LOG_LEVEL is set
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warn: (message, ...args) => smartConsole.warn(message, ...args),
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info: (message, ...args) => smartConsole.info(message, ...args),
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debug: (message, ...args) => smartConsole.debug(message, ...args),
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log: (message, ...args) => smartConsole.log(message, ...args)
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};
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//# sourceMappingURL=logger.js.map
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