export enum LogLevel {
ERROR = 0,
WARN = 1,
INFO = 2,
DEBUG = 3
}
export class Logger {
private level: LogLevel;
constructor(level: LogLevel = LogLevel.INFO) {
this.level = level;
}
error(message: string, ...args: any[]) {
if (this.level >= LogLevel.ERROR) {
process.stderr.write(`[ERROR] ${message} ${args.map(a => typeof a === 'object' ? JSON.stringify(a) : a).join(' ')}\n`);
}
}
warn(message: string, ...args: any[]) {
if (this.level >= LogLevel.WARN) {
process.stderr.write(`[WARN] ${message} ${args.map(a => typeof a === 'object' ? JSON.stringify(a) : a).join(' ')}\n`);
}
}
info(message: string, ...args: any[]) {
if (this.level >= LogLevel.INFO) {
process.stderr.write(`[INFO] ${message} ${args.map(a => typeof a === 'object' ? JSON.stringify(a) : a).join(' ')}\n`);
}
}
debug(message: string, ...args: any[]) {
if (this.level >= LogLevel.DEBUG) {
process.stderr.write(`[DEBUG] ${message} ${args.map(a => typeof a === 'object' ? JSON.stringify(a) : a).join(' ')}\n`);
}
}
}
// Create a default logger - will be reconfigured when config loads
export let logger = new Logger(
process.env.LOG_LEVEL ? parseInt(process.env.LOG_LEVEL) : LogLevel.INFO
);
// Function to reconfigure logger with loaded config
export function configureLogger(level: LogLevel): void {
logger = new Logger(level);
}
