structured-cli

Structure your CLI application as a series of nested Categories and Commands.

Key Features

• Built off of the proven command-line argument parser argparse.
• Lets you structure your CLI tool as a set of arbitrarily nested Categories and Commands.
• Lets you easily re-use logic between different commands.
• Makes it easy to alias one command to another.
• Will provide intuitive help without the headache of setting it up.

Installing it

npm install structured-cli

Using it

var Cli = require('structured-cli');
var Widgets = require('./widget-service'); // Imaginary api

// The 'root' of our app is an anonymous category
var app = Cli.createApp();

app.addChild(Cli.command('init', {
    description: 'Initialize the tool',
    handler: function (args) {
        // Initialize the tool
    },
}));


// You can nest categories as deep as you would like
var widgets = Cli.category('widgets', {
    description: 'Manage your inventory of widgets.'
});

var listCommand = Cli.command('ls', {
    description: 'List your widgets',
    options: {
        color: {
            alias: 'c'
            description: 'Only list widgets of the given color.',
            type: 'string',
        }
    }
    handler: function (args) {
        Widgets.list(args, function (err, widgets) {
            if (err) throw err; // Thrown errors will print the error
                                // and print the help.
            
            // Pretty-print your list of widgets however you'd like
        });
    }
});

widgets.addChild(listCommand);
// The ls command is now available at `widgets.commands.ls`

// Alias `widgets ls` to the top-level command `widgets ls`
app.addChild(listCommand);

// Add the `widgets` category to the CLI
app.addChild(widgets);

Cli.run(app);

API

TODO

Usages

This library will be used in wt-cli.

Contributing

Just clone the repo, run npm install and then hack away.

Issue reporting

If you have found a bug or if you have a feature request, please report them at this repository issues section. Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.

License

MIT

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