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

``bash
npm install structured-cli
`

Using it

`js
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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