Files
claude-task-master/mcp-server/src/logger.js
2025-04-09 00:25:27 +02:00

111 lines
2.9 KiB
JavaScript

import chalk from 'chalk';
import { isSilentMode } from '../../scripts/modules/utils.js';
// Define log levels
const LOG_LEVELS = {
debug: 0,
info: 1,
warn: 2,
error: 3,
success: 4
};
// Get log level from environment or default to info
const LOG_LEVEL = process.env.LOG_LEVEL
? (LOG_LEVELS[process.env.LOG_LEVEL.toLowerCase()] ?? LOG_LEVELS.info)
: LOG_LEVELS.info;
/**
* Logs a message with the specified level
* @param {string} level - The log level (debug, info, warn, error, success)
* @param {...any} args - Arguments to log
*/
function log(level, ...args) {
// Skip logging if silent mode is enabled
if (isSilentMode()) {
return;
}
// Use text prefixes instead of emojis
const prefixes = {
debug: chalk.gray('[DEBUG]'),
info: chalk.blue('[INFO]'),
warn: chalk.yellow('[WARN]'),
error: chalk.red('[ERROR]'),
success: chalk.green('[SUCCESS]')
};
if (LOG_LEVELS[level] !== undefined && LOG_LEVELS[level] >= LOG_LEVEL) {
const prefix = prefixes[level] || '';
let coloredArgs = args;
try {
switch (level) {
case 'error':
coloredArgs = args.map((arg) =>
typeof arg === 'string' ? chalk.red(arg) : arg
);
break;
case 'warn':
coloredArgs = args.map((arg) =>
typeof arg === 'string' ? chalk.yellow(arg) : arg
);
break;
case 'success':
coloredArgs = args.map((arg) =>
typeof arg === 'string' ? chalk.green(arg) : arg
);
break;
case 'info':
coloredArgs = args.map((arg) =>
typeof arg === 'string' ? chalk.blue(arg) : arg
);
break;
case 'debug':
coloredArgs = args.map((arg) =>
typeof arg === 'string' ? chalk.gray(arg) : arg
);
break;
// default: use original args (no color)
}
} catch (colorError) {
// Fallback if chalk fails on an argument
// Use console.error here for internal logger errors, separate from normal logging
console.error('Internal Logger Error applying chalk color:', colorError);
coloredArgs = args;
}
// Revert to console.log - FastMCP's context logger (context.log)
// is responsible for directing logs correctly (e.g., to stderr)
// during tool execution without upsetting the client connection.
// Logs outside of tool execution (like startup) will go to stdout.
console.log(prefix, ...coloredArgs);
}
}
/**
* Create a logger object with methods for different log levels
* @returns {Object} Logger object with info, error, debug, warn, and success methods
*/
export function createLogger() {
const createLogMethod =
(level) =>
(...args) =>
log(level, ...args);
return {
debug: createLogMethod('debug'),
info: createLogMethod('info'),
warn: createLogMethod('warn'),
error: createLogMethod('error'),
success: createLogMethod('success'),
log: log // Also expose the raw log function
};
}
// Export a default logger instance
const logger = createLogger();
export default logger;
export { log, LOG_LEVELS };