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liftoff

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liftoff

Launch your command line tool with ease.


Version published
Weekly downloads
2.3M
decreased by-8.38%
Maintainers
4
Weekly downloads
 
Created

What is liftoff?

Liftoff is a lightweight CLI framework that helps you build command-line tools. It provides a way to bootstrap your CLI application with support for configuration files, environment variables, and plugins.

What are liftoff's main functionalities?

Command-line Interface Bootstrapping

This feature allows you to bootstrap a CLI application with Liftoff. The code sample demonstrates how to create a new Liftoff instance and launch it, printing the environment information.

const Liftoff = require('liftoff');
const MyApp = new Liftoff({
  name: 'myapp',
  moduleName: 'myapp',
  configName: 'myappfile',
  extensions: {
    '.js': null
  }
});
MyApp.launch({}, (env) => {
  console.log('MyApp is running!');
  console.log('Environment:', env);
});

Configuration File Support

Liftoff supports loading configuration files. The code sample shows how to load a configuration file if it exists and print its contents.

const Liftoff = require('liftoff');
const MyApp = new Liftoff({
  name: 'myapp',
  configName: 'myappfile',
  extensions: {
    '.js': null
  }
});
MyApp.launch({}, (env) => {
  if (env.configPath) {
    const config = require(env.configPath);
    console.log('Loaded config:', config);
  } else {
    console.log('No config file found.');
  }
});

Environment Variable Support

Liftoff can access and utilize environment variables. The code sample demonstrates how to print all environment variables when the CLI application is launched.

const Liftoff = require('liftoff');
const MyApp = new Liftoff({
  name: 'myapp',
  configName: 'myappfile',
  extensions: {
    '.js': null
  }
});
MyApp.launch({}, (env) => {
  console.log('Environment Variables:', process.env);
});

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Package last updated on 16 Mar 2024

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