meocord/dist/esm/common/logger.js

Decorator-based Discord bot framework built on discord.js. Brings NestJS-style controllers, dependency injection, guards, and testing utilities to bot development — with a full CLI and TypeScript-first design.

import { inspect } from 'node:util';
import dayjs from 'dayjs';
import utc from 'dayjs/plugin/utc.js';
import timezone from 'dayjs/plugin/timezone.js';
import { loadMeoCordConfig } from '../util/meocord-config-loader.util.js';
import chalk from 'chalk';

dayjs.extend(utc);
dayjs.extend(timezone);
class Logger {
    log(...args) {
        this.logWithContext('log', args);
    }
    info(...args) {
        this.logWithContext('log', args);
    }
    warn(...args) {
        this.logWithContext('warn', args);
    }
    error(...args) {
        this.logWithContext('error', args);
    }
    debug(...args) {
        this.logWithContext('debug', args);
    }
    verbose(...args) {
        this.logWithContext('log', args);
    }
    formatMessage(message, logType) {
        if (typeof message === 'object' && message !== null) {
            return inspect(message, {
                showHidden: true,
                depth: null,
                colors: true,
                compact: false,
                showProxy: true
            });
        }
        return (this.colorMap[logType] || ((msg)=>msg))(message);
    }
    logWithContext(logLevel, messages) {
        if (messages.length === 0) return;
        const config = loadMeoCordConfig();
        const logType = logLevel.toUpperCase();
        const applyColor = this.colorMap[logType] || ((msg)=>msg);
        const formattedMessages = messages.map((message)=>this.formatMessage(message, logType));
        const coloredAppName = config?.appName ? applyColor(chalk.bold(`[${config.appName}]`)) : undefined;
        const timestamp = chalk.bold(dayjs().format('dddd, MMMM D, YYYY HH:mm:ss [UTC]Z'));
        const coloredLogLevel = applyColor(chalk.bold(`[${logType}]`));
        const coloredContext = this.context ? chalk.yellow.bold(`[${this.context}]`) : '';
        const logTexts = [
            coloredAppName,
            timestamp,
            coloredLogLevel,
            coloredContext,
            ...formattedMessages
        ].filter((log)=>!!log);
        console[logLevel](...logTexts);
    }
    constructor(context){
        this.context = context;
        this.colorMap = {
            LOG: chalk.green,
            INFO: chalk.cyan,
            WARN: chalk.yellow,
            ERROR: chalk.red,
            DEBUG: chalk.magenta
        };
    }
}

export { Logger };