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Scrap chalk for logging

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Ibra Al Tabian
2025-06-30 10:31:58 +07:00
committed by GitHub
parent bb324edee7
commit 3ccfb22a03
1 changed files with 60 additions and 20 deletions
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80
core/utils/logger.js
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@@ -1,47 +1,86 @@
const chalk = require('chalk');
/**
* A map of hardcoded ANSI escape codes for colors.
* Using these codes, we can style terminal output without any external dependencies.
*/
const ANSI_COLORS = {
RESET: '\x1b[0m',
GREEN_BRIGHT: '\x1b[92m',
YELLOW_BRIGHT: '\x1b[93m',
RED_BRIGHT: '\x1b[91m',
BLUE_BRIGHT: '\x1b[94m',
CYAN_BRIGHT: '\x1b[96m',
MAGENTA_BRIGHT: '\x1b[95m',
WHITE_BRIGHT: '\x1b[97m',
GRAY: '\x1b[90m',
};
class Logger {
constructor(moduleName = 'APP') {
this.moduleName = moduleName;
this.moduleColor = this._getModuleColor(moduleName);
// Store the raw color code for the module
this.moduleColorCode = this._getModuleColorCode(moduleName);
}
_getModuleColor(moduleName) {
/**
* Hashes the module name to select a consistent color from a predefined list.
* @param {string} moduleName - The name of the module.
* @returns {string} The ANSI color code for the module.
*/
_getModuleColorCode(moduleName) {
const colors = [
chalk.default.cyanBright,
chalk.default.magentaBright,
chalk.default.yellowBright,
chalk.default.blueBright,
chalk.default.greenBright,
chalk.default.redBright,
chalk.default.whiteBright,
chalk.default.gray,
chalk.default.blackBright
ANSI_COLORS.CYAN_BRIGHT,
ANSI_COLORS.MAGENTA_BRIGHT,
ANSI_COLORS.YELLOW_BRIGHT,
ANSI_COLORS.BLUE_BRIGHT,
ANSI_COLORS.GREEN_BRIGHT,
ANSI_COLORS.RED_BRIGHT,
ANSI_COLORS.WHITE_BRIGHT,
ANSI_COLORS.GRAY,
];
let hash = 0;
if (moduleName.length === 0) return colors[0];
for (let i = 0; i < moduleName.length; i++) {
hash = moduleName.charCodeAt(i) + ((hash << 5) - hash);
hash = hash & hash; // Convert to 32bit integer
}
const index = Math.abs(hash % colors.length);
return colors[index];
}
/**
* Formats the log message with module and level-specific colors.
* @param {string} level - The log level (e.g., 'INFO', 'WARN').
* @param {string} message - The main log message.
* @param {...any} args - Additional arguments to be logged.
* @returns {string} The fully formatted and colored log string.
*/
_formatMessage(level, message, ...args) {
const coloredModuleName = this.moduleColor(`[${this.moduleName}]`);
let formattedMessage = `${coloredModuleName} ${message}`;
const coloredModuleName = `${this.moduleColorCode}[${this.moduleName}]${ANSI_COLORS.RESET}`;
// Join the main message and any additional arguments
const fullMessageContent = [message, ...args].join(' ');
let levelColorCode;
switch (level) {
case 'INFO':
return chalk.default.greenBright(formattedMessage, ...args);
levelColorCode = ANSI_COLORS.GREEN_BRIGHT;
break;
case 'WARN':
return chalk.default.yellowBright(formattedMessage, ...args);
levelColorCode = ANSI_COLORS.YELLOW_BRIGHT;
break;
case 'ERROR':
return chalk.default.redBright(formattedMessage, ...args);
levelColorCode = ANSI_COLORS.RED_BRIGHT;
break;
case 'DEBUG':
return chalk.default.blueBright(formattedMessage, ...args);
levelColorCode = ANSI_COLORS.BLUE_BRIGHT;
break;
default:
return formattedMessage;
// For unknown levels, don't color the message part
return `${coloredModuleName} ${fullMessageContent}`;
}
const coloredMessage = `${levelColorCode}${fullMessageContent}${ANSI_COLORS.RESET}`;
return `${coloredModuleName} ${coloredMessage}`;
}
info(message, ...args) {
@@ -57,7 +96,8 @@ class Logger {
}
debug(message, ...args) {
if (process.env.NODE_ENV === 'development') { // Only show debug logs in development
// Only show debug logs in development environment
if (process.env.NODE_ENV === 'development') {
console.log(this._formatMessage('DEBUG', message, ...args));
}
}