meocord/dist/esm/util/common.util.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 fs from 'fs';
import path from 'path';
import { loadMeoCordConfig } from './meocord-config-loader.util.js';
import wait from './wait.util.js';
import chalk from 'chalk';

/**
 * Finds the package directory for the given module name
 * @param {string} moduleName - The name of the module to find
 * @param {string} baseDir - The starting directory to search from (defaults to process.cwd())
 * @returns {string} - The directory path where the module's package.json is located
 */ const findModulePackageDir = (moduleName, baseDir = process.cwd())=>{
    try {
        // Resolve the node_modules directory from the base directory
        let currentDir = baseDir;
        // Traverse the node_modules directories upwards until the package is found
        while(currentDir !== path.parse(currentDir).root){
            const modulePath = path.join(currentDir, 'node_modules', moduleName);
            if (fs.existsSync(modulePath)) {
                return modulePath // Return the full path to the module directory
                ;
            }
            // Move up one level in the directory structure
            currentDir = path.join(currentDir, '..');
        }
        throw new Error(`Module ${moduleName} not found in node_modules.`);
    } catch (error) {
        if (error instanceof Error) {
            console.error(chalk.red(`Error finding package directory for ${moduleName}:`, error.message));
        } else {
            console.error(chalk.red(`Error finding package directory for ${moduleName}:`, error));
        }
        return null;
    }
};
/**
 * Compiles and validates the MeoCord configuration file.
 * Ensures that `meocord.config.ts` exists, compiles it, and checks
 * the presence of essential configuration properties like `discordToken`.
 *
 * @throws Will exit the process if the `meocord.config.ts` file is missing or
 *         if the `discordToken` property is not found in the configuration.
 */ async function compileAndValidateConfig() {
    const meocordConfigPath = path.resolve(process.cwd(), 'meocord.config.ts');
    if (!fs.existsSync(meocordConfigPath)) {
        console.error(chalk.red('Configuration file "meocord.config.ts" is missing!'));
        await wait(100);
        process.exit(1);
    }
    const meocordConfig = loadMeoCordConfig();
    if (!meocordConfig?.discordToken) {
        console.error(chalk.red('Discord token is missing!'));
        await wait(100);
        process.exit(1);
    }
}
/**
 * Sets the environment mode for the application.
 * Assigns the provided mode to `process.env.NODE_ENV` if it hasn't been set already.
 *
 * @param {'production' | 'development'} mode - The desired environment mode.
 */ function setEnvironment(mode) {
    if (!process.env.NODE_ENV) {
        process.env.NODE_ENV = mode;
    }
}

export { compileAndValidateConfig, findModulePackageDir, setEnvironment };