import chalk from 'chalk';
export enum LogLevel {
DEBUG = 0,
INFO = 1,
WARN = 2,
ERROR = 3,
NONE = 4
}
// 現在のログレベル（デフォルトはINFO）
let currentLogLevel = LogLevel.INFO;
export function setLogLevel(level: LogLevel): void {
currentLogLevel = level;
}
export function getLogLevel(): LogLevel {
return currentLogLevel;
}
function getTimestamp(): string {
const now = new Date();
return `[${now.toISOString().replace('T', ' ').substring(0, 19)}]`;
}
export function debug(message: string, ...args: any[]): void {
if (currentLogLevel <= LogLevel.DEBUG) {
console.error(`${getTimestamp()} ${chalk.blue('DEBUG')} ${message}`, ...args);
}
}
export function info(message: string, ...args: any[]): void {
if (currentLogLevel <= LogLevel.INFO) {
console.error(`${getTimestamp()} ${chalk.green('INFO')} ${message}`, ...args);
}
}
export function warn(message: string, ...args: any[]): void {
if (currentLogLevel <= LogLevel.WARN) {
console.warn(`${getTimestamp()} ${chalk.yellow('WARN')} ${message}`, ...args);
}
}
export function error(message: string, ...args: any[]): void {
if (currentLogLevel <= LogLevel.ERROR) {
console.error(`${getTimestamp()} ${chalk.red('ERROR')} ${message}`, ...args);
}
}
export function logError(message: string, error: unknown): void {
if (currentLogLevel <= LogLevel.ERROR) {
console.error(`${getTimestamp()} ${chalk.red('ERROR')} ${message}: ${error instanceof Error ? error.message : String(error)}`);
if (error instanceof Error && error.stack) {
console.error(`${getTimestamp()} ${chalk.red('STACK')} ${error.stack}`);
}
}
}
// デフォルトエクスポート
export default {
setLogLevel,
getLogLevel,
debug,
info,
warn,
error,
logError,
LogLevel
};
