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jsrun-cli

v0.1.1

Published

A lightweight CLI tool for running JavaScript, TypeScript, and .jsr scripts with automatic dependency management.

Downloads

121

Readme

JSRUN

The ultimate CLI tool for effortlessly running JavaScript, TypeScript, and .jsr scripts.

⚡ Focus on coding, let JSRUN handle the rest! ⚡

npm version License: MIT npm downloads


✨ Features

  • Automatic Module Management: Automatically installs missing dependencies.
  • Version Control: Specify version numbers directly in your imports.
  • Caching for Speed: Locally cached modules reduce installation time.
  • Colorful Logging: Clear, colorful logs powered by chalk.
  • Error Handling: Comprehensive error messages for easy troubleshooting.
  • Extendable: Customizable and ready for expansion.

🔧 Installation

Prerequisites

Install via npm

npm install -g jsrun-cli

🚀 Usage

Run a Script

Run any script supported by JSRUN:

jsrun myscript.jsr

Supported extensions: .jsr, .js, .mjs, .ts.

Import Modules with Versions

import express from "[email protected]";
import chalk from "[email protected]";

console.log(chalk.green("Starting server..."));
const app = express();
app.get("/", (req, res) => res.send("Hello World!"));
app.listen(3000, () => console.log(chalk.blue("Server running on port 3000")));

Run the script:

jsrun server.jsr

Pass Arguments to Your Script

jsrun myscript.jsr --port=4000 --env=production

Inside your script:

const args = process.argv.slice(2);
const port =
    args.find((arg) => arg.startsWith("--port="))?.split("=")[1] || 3000;
const env =
    args.find((arg) => arg.startsWith("--env="))?.split("=")[1] || "development";

console.log(`Running on port ${port} in ${env} mode.`);

🧹 Clean Installed Packages

jsrun --clean

🎯 Key Features Explained

  • Performance Caching: Caches modules locally in ~/.jsrun/node_modules to speed up subsequent runs.
  • Colorful Logging: Uses chalk for colored feedback (Green for success, Yellow for warnings, Red for errors, and Blue for status).
  • Error Handling: Gives detailed error messages, simplifying debugging and fixing issues.

📝 Why JSRUN?

JSRUN was created to make running JavaScript and TypeScript scripts with modules a breeze, without the hassle of managing node_modules. Instead of manually installing packages every time, JSRUN handles everything for you. It installs the necessary dependencies automatically, allowing you to create and run executable scripts from anywhere with minimal setup.

No more worrying about how to manage node_modules just focus on writing and running your scripts, and let JSRUN take care of the rest!


📂 Examples

Explore the /examples directory for use cases and .jsr script examples.

🛠️ Troubleshooting

Common Issues

  1. Module Not Found: Ensure module names and versions are correct.
  2. Permission Denied: Use elevated privileges or adjust the ownership of the ~/.jsrun folder.
  3. Syntax Errors: Verify that your JavaScript/TypeScript syntax is correct. Use the appropriate Node.js version.
  4. Network Problems: Check your network connection or try manually installing the module.

❓ FAQ

  1. Why .jsr?
    .jsr highlights scripts specifically made for jsrun.

  2. Can I use .js files?
    Yes, .js files are supported, but .jsr is recommended for clarity.

  3. Where are modules installed?
    In the cache directory ~/.jsrun/node_modules.

  4. How do I update jsrun?
    Run npm update -g jsrun-cli.


🤝 Contributing

  1. Fork the repo
  2. Create a new branch
  3. Make your changes
  4. Push your branch
  5. Submit a Pull Request

📜 License

jsrun is licensed under the MIT License.


✉️ Contact

Have questions or feedback? Check out our GitHub page.


📚 Documentation en Français

Pour la documentation en français, consultez ce lien.