@excli/express/dist/main.js

A cli tool for creating Express.js applications, supporting both JavaScript and TypeScript.

#!/usr/bin/env node

// src/main.ts
import { cwd } from "node:process";
import { fileURLToPath } from "node:url";
import { join as join2, basename, dirname } from "node:path";
import { existsSync, mkdirSync, cpSync, writeFileSync as writeFileSync2 } from "node:fs";
import { spinner, isCancel, multiselect, confirm } from "@clack/prompts";
import { intro, text, select, outro, log } from "@clack/prompts";

// src/scripts.ts
import { join } from "node:path";
import { platform } from "node:process";
import { readFileSync, writeFileSync } from "node:fs";
import { spawnSync, spawn } from "node:child_process";

// src/options.ts
var tsScripts = {
  build: "tsc",
  esbuild: "node esbuild.config.js",
  "win:dev": "node --watch --env-file=.env dist/main.js",
  dev: "tsc --watch & node --watch --env-file=.env dist/main.js",
  start: "node --env-file=.env dist/main.js",
  "db:start": "docker compose up -d",
  "db:stop": "docker compose down"
};
var jsScripts = {
  dev: "node --watch --env-file=.env src/main.js",
  start: "node --env-file=.env src/main.js",
  "db:start": "docker compose up -d",
  "db:stop": "docker compose down"
};
function prettier() {
  const prettierrcContent = `
{
  "semi": true,
  "singleQuote": false,
  "tabWidth": 2
}
`;
  const prettierignoreContent = `
build/
dist/
out/
output/

node_modules/

.env
.env.*.local
.env.development
.env.test
.env.production
.env.local
.env.example

.vscode/
.idea/

*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
`;
  return [
    {
      filename: ".prettierrc",
      content: prettierrcContent.trim()
    },
    {
      filename: ".prettierignore",
      content: prettierignoreContent.trim()
    }
  ];
}
function env() {
  const enVariables = `NODE_ENV=
PORT=
DATABASE_URL=
ARGON2_ROUND=
JWT_ACCESS_TOKEN_SECRET_KEY=
JWT_REFRESH_TOKEN_SECRET_KEY=
JWT_ACCESS_TOKEN_EXPIRY_TIME=
JWT_REFRESH_TOKEN_EXPIRY_TIME=
CLIENT_ORIGIN=
`;
  return [
    {
      variables: enVariables,
      file: ".env"
    },
    {
      variables: enVariables,
      file: ".env.example"
    }
  ];
}

// src/scripts.ts
function hasPkManager(pkgM) {
  const command = platform !== "win32" ? "which" : "where";
  const result = spawnSync(command, [pkgM], { encoding: "utf-8" });
  return result.status === 0;
}
function fireShell(command, args, targetDir = process.cwd()) {
  return new Promise((resolve, reject) => {
    const child = spawn(command, args, {
      cwd: targetDir,
      stdio: "ignore",
      shell: true
    });
    child.on("close", (code) => {
      if (code !== 0) reject(new Error(`Command failed with code ${code}`));
      else resolve("");
    });
    child.on("error", (err) => reject(err));
  });
}
function modifyPackageJson(targetDir, language) {
  const fullPath = join(targetDir, "package.json");
  const pkg = JSON.parse(readFileSync(fullPath, { encoding: "utf-8" }));
  pkg.scripts = language === "ts" ? { ...tsScripts } : { ...jsScripts };
  pkg.license = "MIT";
  pkg.type = "module";
  pkg.main = `src/main.js`;
  writeFileSync(fullPath, JSON.stringify(pkg, null, 2));
}

// src/utils.ts
import { cancel } from "@clack/prompts";

// src/docker.ts
function dockerMongodb(name) {
  const dockerComposeConfig = `
services:
  mongodb:
    image: mongo:latest
    container_name: ${name}
    ports:
      - "27017:27017"
    restart: always
    volumes:
      - mongo:/data/db
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: admin123

networks:
  default:
    driver: bridge

volumes:
  mongo:
`;
  return dockerComposeConfig.trim();
}
function dockerPostgres(name) {
  const dockerComposeConfig = `
services:
  postgres_db:
    image: postgres:latest
    container_name: ${name}
    ports:
      - "5432:5432"
    restart: always
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: ${name}      
      POSTGRES_USER: root
      POSTGRES_PASSWORD: admin123      

networks:
  default:
    driver: bridge 

volumes:
  postgres_data: 
`;
  return dockerComposeConfig.trim();
}
function dockerMysql(name) {
  const dockerComposeConfig = `
services:
  mysql:
    image: mysql:latest
    container_name: ${name}
    ports:
      - "3306:3306"
    restart: always
    volumes:
      - mysql_data:/data/db
    environment:
      MYSQL_ROOT_PASSWORD: root123 
      MYSQL_USER: root
      MYSQL_DATABASE: ${name}   
      MYSQL_PASSWORD: admin123       

networks:
  default:
    driver: bridge

volumes:
  mysql_data:
`;
  return dockerComposeConfig.trim();
}

// src/utils.ts
var directories = [
  "db",
  "controllers",
  "routes",
  "middlewares",
  "services",
  "types",
  "utils",
  "models"
];
function terminate(message) {
  cancel(message);
  process.exit(0);
}
function sleep(timer = 1500) {
  return new Promise((r) => setTimeout(r, timer));
}
function database(db, name) {
  switch (db) {
    case "mongodb":
      return dockerMongodb(name);
    case "postgres":
      return dockerPostgres(name);
    case "mysql":
      return dockerMysql(name);
    default:
      return null;
  }
}
async function packageJsonInit(pkgManager, targetDir, language) {
  try {
    let args = [];
    if (pkgManager === "npm") args = ["init", "-y"];
    else if (pkgManager === "pnpm" || pkgManager === "yarn") args = ["init"];
    else throw new Error("Unsupported package manager");
    await fireShell(pkgManager, args, targetDir);
    modifyPackageJson(targetDir, language);
  } catch (err) {
    console.error(`\u274C ${pkgManager} command failed: ${err}`);
  }
}
async function installPackages(pkgManager, targetDir, language, devTools) {
  const packages = [
    "express",
    "cors",
    "helmet",
    "morgan",
    "compression",
    "cookie-parser"
  ];
  const devPackages = [];
  if (devTools.includes("prettier")) devPackages.push("prettier");
  if (language === "ts") {
    devPackages.push(
      "@types/node",
      "@types/express",
      "typescript",
      "@types/cors",
      "@types/morgan",
      "@types/compression",
      "@types/cookie-parser"
    );
  }
  const installCmd = pkgManager === "npm" ? "install" : "add";
  await fireShell(pkgManager, [installCmd, ...packages], targetDir);
  if (devPackages.length > 0) {
    await fireShell(pkgManager, [installCmd, ...devPackages, "-D"], targetDir);
  }
}

// src/main.ts
var __filename = fileURLToPath(import.meta.url);
var __dirname = dirname(__filename);
console.clear();
intro(
  "\u{1F525} Express.js App Generator | \u2728 We will scaffold your app in a few seconds.."
);
(async () => {
  const directory = await text({
    message: "What should we name your server directory? \u{1F3AF}",
    placeholder: "server (Hit Enter for current directory)"
  });
  if (isCancel(directory)) terminate("Process cancelled \u274C");
  const rootDir = cwd();
  const targetDir = !directory?.trim() ? rootDir : join2(rootDir, directory);
  const dirName = basename(targetDir) || "container_app";
  if (existsSync(targetDir) && directory?.trim()) {
    return terminate(
      `${directory} already exists. Please choose a different name \u{1F937}`
    );
  }
  const language = await select({
    message: "Pick your coding Language:",
    options: [
      { label: "TypeScript", value: "ts", hint: "Recommended \u{1F680}" },
      { label: "JavaScript", value: "js", hint: "Classic \u{1F4BC}" }
    ]
  });
  if (isCancel(language)) terminate("Process cancelled \u274C");
  const devTools = await multiselect({
    message: "\u{1F527} Setting up core development tools...",
    options: [
      { label: "\u2728 Prettier", value: "prettier" },
      { label: "\u{1F433} Docker (deployment + database)", value: "docker" },
      { label: "\u{1F4DD} Git", value: "git" }
    ]
  });
  if (isCancel(devTools)) terminate("Process cancelled \u274C");
  let db;
  if (devTools.includes("docker")) {
    db = await select({
      message: "Alright, pick your database:",
      options: [
        { label: "\u{1F42C} MySQL", value: "mysql", hint: "Widely used \u{1F30D}" },
        {
          label: "\u{1F418} PostgreSQL",
          value: "postgres",
          hint: "SQL powerhouse \u26A1"
        },
        { label: "\u{1F343} MongoDB", value: "mongodb", hint: "NoSQL flexible \u{1F504}" }
      ]
    });
    if (isCancel(db)) terminate("Process cancelled \u274C");
  }
  const pkgManager = await select({
    message: "Which package manager would you \u2764\uFE0F  to use?",
    options: [
      { label: "\u{1F4CB} npm", value: "npm", hint: "Standard choice \u{1F527}" },
      { label: "\u{1F9F6} yarn", value: "yarn", hint: "Smooth workflow \u{1F4AB}" },
      { label: "\u26A1 pnpm", value: "pnpm", hint: "Lightning fast \u{1F680}" }
    ]
  });
  if (isCancel(pkgManager)) terminate("Process cancelled \u274C");
  if (!hasPkManager(pkgManager)) {
    terminate(
      `\u274C ${pkgManager} is not installed on your system! Please install it first.`
    );
  }
  let builder = false;
  if (language === "ts") {
    builder = await confirm({
      message: "Do you want esbuild for fast compiling? \u26A1",
      active: "yes",
      inactive: "no"
    });
    if (isCancel(builder)) terminate("Process cancelled \u274C");
  }
  const s1 = spinner({ indicator: "dots" });
  s1.start("Installation in progress \u2615");
  if (!existsSync(targetDir)) mkdirSync(targetDir, { recursive: true });
  const sourceDir = join2(targetDir, "src");
  const publicDir = join2(targetDir, "public");
  const template = join2(__dirname, "..", "templates", language);
  if (!existsSync(template)) terminate(`\u274C Template not found at: ${template}`);
  mkdirSync(publicDir, { recursive: true });
  cpSync(template, targetDir, { recursive: true });
  for (const { file, variables } of env()) {
    const fullPath = join2(targetDir, file);
    writeFileSync2(fullPath, variables);
  }
  for (const dir of directories) {
    if (language !== "ts" && dir === "types") continue;
    const directoryPath = join2(sourceDir, dir);
    mkdirSync(directoryPath, { recursive: true });
  }
  if (devTools.includes("prettier")) {
    for (const { content, filename } of prettier()) {
      const fullPath = join2(targetDir, filename);
      writeFileSync2(fullPath, content);
    }
  }
  if (devTools.includes("git")) {
    await fireShell("npx", ["gitignore", "node"], targetDir);
  }
  if (devTools.includes("docker") && db) {
    const compose = database(db, dirName);
    const composeFile = join2(targetDir, "compose.yaml");
    const DockerFile = join2(targetDir, "Dockerfile");
    const dockerignore = join2(__dirname, "..", "templates", ".dockerignore");
    writeFileSync2(DockerFile, "", { encoding: "utf-8" });
    writeFileSync2(composeFile, compose, { encoding: "utf-8" });
    cpSync(dockerignore, join2(targetDir, ".dockerignore"));
  }
  await packageJsonInit(pkgManager, targetDir, language);
  await installPackages(pkgManager, targetDir, language, devTools);
  if (builder) {
    const esbuild = join2(__dirname, "..", "templates", "esbuild.config.js");
    cpSync(esbuild, join2(targetDir, "esbuild.config.js"));
    await fireShell(pkgManager, ["install", "-D", "esbuild"], targetDir);
    await fireShell(
      pkgManager,
      ["install", "-D", "esbuild-node-externals"],
      targetDir
    );
  }
  await sleep(1e3);
  s1.stop(`Successfully created project \x1B[32m${dirName}\x1B[0m`);
  log.success(`Scaffolding project in ${targetDir}...`);
  outro(`\u{1F680} You're all set!
Thanks for using Express App Generator \u{1F64C}
GitHub \u2192 https://github.com/pxycknomdictator
`);
})();
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