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logger.js
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logger.js
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import { LOG_LEVELS, CONFIG } from './constants.js';
let currentLogLevel = LOG_LEVELS[CONFIG.logLevel];
function formatLogMessage(level, message) {
const timestamp = new Date().toISOString();
return `${timestamp} [${level}] ${message}`;
}
export function setLogLevel(level) {
if (LOG_LEVELS.hasOwnProperty(level)) {
currentLogLevel = LOG_LEVELS[level];
}
}
export function log(level, ...args) {
if (LOG_LEVELS[level] >= currentLogLevel && CONFIG.environment === 'development') {
const message = args.join(' ');
console[level.toLowerCase()](formatLogMessage(level, message));
}
}
export function debug(...args) {
if (CONFIG.environment === 'development') {
log('DEBUG', ...args);
}
}
export function info(...args) {
log('INFO', ...args);
}
export function warn(...args) {
log('WARN', ...args);
}
export function error(...args) {
log('ERROR', ...args);
}
// Production-safe logging function
export function safeLog(level, ...args) {
if (LOG_LEVELS[level] >= currentLogLevel) {
const message = args.join(' ');
if (CONFIG.environment === 'production') {
// In production, you might want to send logs to a server or a logging service
// For now, we'll just use console.log for all levels in production
console.log(formatLogMessage(level, message));
} else {
console[level.toLowerCase()](formatLogMessage(level, message));
}
}
}