/**
* Logger Utility for MCP Interface Validator
*
* Provides structured logging with different levels and formatting
*/
export var LogLevel;
(function (LogLevel) {
LogLevel[LogLevel["DEBUG"] = 0] = "DEBUG";
LogLevel[LogLevel["INFO"] = 1] = "INFO";
LogLevel[LogLevel["WARN"] = 2] = "WARN";
LogLevel[LogLevel["ERROR"] = 3] = "ERROR";
})(LogLevel || (LogLevel = {}));
export class Logger {
component;
logLevel;
constructor(component, logLevel = LogLevel.INFO) {
this.component = component;
this.logLevel = logLevel;
}
/**
* Log debug message
*/
debug(message, data) {
this.log(LogLevel.DEBUG, message, data);
}
/**
* Log info message
*/
info(message, data) {
this.log(LogLevel.INFO, message, data);
}
/**
* Log warning message
*/
warn(message, data) {
this.log(LogLevel.WARN, message, data);
}
/**
* Log error message
*/
error(message, error) {
this.log(LogLevel.ERROR, message, error);
}
/**
* Internal logging method
*/
log(level, message, data) {
if (level < this.logLevel) {
return;
}
const entry = {
timestamp: new Date().toISOString(),
level,
component: this.component,
message,
data
};
const formattedMessage = this.formatLogEntry(entry);
switch (level) {
case LogLevel.DEBUG:
console.debug(formattedMessage);
break;
case LogLevel.INFO:
console.info(formattedMessage);
break;
case LogLevel.WARN:
console.warn(formattedMessage);
break;
case LogLevel.ERROR:
console.error(formattedMessage);
break;
}
}
/**
* Format log entry for output
*/
formatLogEntry(entry) {
const levelName = LogLevel[entry.level];
let formatted = `[${entry.timestamp}] ${levelName} [${entry.component}] ${entry.message}`;
if (entry.data) {
formatted += `\n${JSON.stringify(entry.data, null, 2)}`;
}
return formatted;
}
/**
* Set log level
*/
setLogLevel(level) {
this.logLevel = level;
}
/**
* Get current log level
*/
getLogLevel() {
return this.logLevel;
}
}
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