create-node-spark/dist/tasks/setupEnv.js

CLI tool to scaffold a Node.js backend

import { writeFile } from "../utils/fileSystem.js";
import path from "path";
export async function setupEnv(projectName, language, database) {
    try {
        const extension = language === "TypeScript" ? "ts" : "js";
        // Base environment variables
        let envContent = `PORT=3000\n`;
        // Add database-specific environment variables
        if (database === 'MongoDB') {
            envContent += `MONGO_URI=mongodb+srv://<username>:<password>@cluster0.m8oca.mongodb.net/<database_name>?retryWrites=true&w=majority&appName=Cluster0\n`;
        }
        else if (database === 'MySQL') {
            envContent += `MYSQL_HOST=localhost
MYSQL_PORT=3306
MYSQL_DATABASE=your_database_name
MYSQL_USER=root
MYSQL_PASSWORD=your_password\n`;
        }
        else if (database === 'PostgreSQL') {
            envContent += `# PostgreSQL Connection String
# Format: postgresql://username:password@localhost:5432/database_name
DATABASE_URL="postgresql://username:password@localhost:5432/your_database_name"\n`;
        }
        const envPath = path.join(process.cwd(), ".env");
        writeFile(envPath, envContent.trim(), "utf-8");
        const configEnvPath = path.join(process.cwd(), "src", "config", `env.config.${extension}`);
        // Create environment config based on selected database
        let envConfigObject = `  PORT: process.env.PORT || 3000,\n`;
        if (database === 'MongoDB') {
            envConfigObject += `  MONGO_URI: process.env.MONGO_URI,\n`;
        }
        else if (database === 'MySQL') {
            envConfigObject += `  MYSQL_HOST: process.env.MYSQL_HOST,
  MYSQL_PORT: process.env.MYSQL_PORT,
  MYSQL_DATABASE: process.env.MYSQL_DATABASE,
  MYSQL_USER: process.env.MYSQL_USER,
  MYSQL_PASSWORD: process.env.MYSQL_PASSWORD,\n`;
        }
        else if (database === 'PostgreSQL') {
            envConfigObject += `  DATABASE_URL: process.env.DATABASE_URL,\n`;
        }
        const configEnvContent = language === "TypeScript" ? `
        import dotenv from "dotenv";
        
        dotenv.config();

        const ENV : any = {
${envConfigObject}};

export default ENV;

        ` :
            `
        import dotenv from "dotenv";
        
        dotenv.config();

        const ENV = {
${envConfigObject}};

export default ENV;

        `;
        writeFile(configEnvPath, configEnvContent.trim(), "utf-8");
    }
    catch (error) {
        throw error;
    }
}
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