/**
* Logger utility for Jira MCP Server
*/
interface Logger {
debug: (message: string, ...args: any[]) => void;
info: (message: string, ...args: any[]) => void;
warn: (message: string, ...args: any[]) => void;
error: (message: string, ...args: any[]) => void;
}
export function createLogger(name: string): Logger {
const logLevel = process.env.LOG_LEVEL?.toLowerCase() || 'info';
const shouldLog = (level: string) => {
const levels = ['debug', 'info', 'warn', 'error'];
const currentLevel = levels.indexOf(logLevel);
const messageLevel = levels.indexOf(level);
return messageLevel >= currentLevel;
};
const formatMessage = (level: string, message: string, ...args: any[]) => {
const timestamp = new Date().toISOString();
const prefix = `[${timestamp}] [${level.toUpperCase()}] [${name}]`;
if (args.length > 0) {
return `${prefix} ${message} ${args.map(arg =>
typeof arg === 'object' ? JSON.stringify(arg, null, 2) : String(arg)
).join(' ')}`;
}
return `${prefix} ${message}`;
};
return {
debug: (message: string, ...args: any[]) => {
if (shouldLog('debug')) {
console.log(formatMessage('debug', message, ...args));
}
},
info: (message: string, ...args: any[]) => {
if (shouldLog('info')) {
console.log(formatMessage('info', message, ...args));
}
},
warn: (message: string, ...args: any[]) => {
if (shouldLog('warn')) {
console.warn(formatMessage('warn', message, ...args));
}
},
error: (message: string, ...args: any[]) => {
if (shouldLog('error')) {
console.error(formatMessage('error', message, ...args));
}
}
};
}
