AtomicGameEngine/CLI/cli.js

#!/usr/bin/env node
"use strict";

var argparse = require("argparse");
var fs = require("fs");
var path = require("path");
var util = require("util");
var httpreq = require("httpreq");
var cli = require("atomic-cli");

var AtomicHelpFormatter = function (opts) {
    argparse.HelpFormatter.call(this, opts);
};
util.inherits(AtomicHelpFormatter, argparse.HelpFormatter);

// http://stackoverflow.com/questions/13423540/argparse-subparser-hide-metavar-in-command-listing
AtomicHelpFormatter.prototype._formatAction = function (action) {
    var parts = argparse.HelpFormatter.prototype._formatAction.call(this, action);
    if (action.nargs == argparse.Const.PARSER) {
        var lines = parts.split("\n");
        lines.shift();
        parts = lines.join("\n");
    }
    return parts;
};

var catchErrors = function (promise) {
    promise.catch(function (error) {
        if (Array.isArray(error)) error = error[0]; // NCP throws an array of errors...?
        if (error) console.error(error.message || error);
        process.exit(1);
    });
};

var parser = new argparse.ArgumentParser({prog: "atomic-cli", formatterClass: AtomicHelpFormatter,
    description: "Atomic Game Engine CLI"});
parser.addArgument(["-v", "--version"], {action: "version", help: "Print version and exit.",
    version: cli.VERSION});

var commands = parser.addSubparsers({title: "Commands", metavar: "<command>"});

var cmd = commands.addParser("new", {help: "Create a new project.",
    description: "Creates a new project at the given path.",
    aliases: ["create"]});
cmd.addArgument(["path"], {help: "The new project directory to create."});
cmd.setDefaults({action: function (args) {
    cli.newProject(args.path)
    .then(function () {
        console.log("New Atomic project created in " + path.resolve(args.path));
    })
    .catch(function (error) {
        console.error("Error: Could not create " + path.resolve(args.path));
        process.exit(1);
    });
}});

// GO!
if (process.argv.length > 2) {
    var args = parser.parseArgs();
    args.action(args);
} else {
    parser.printHelp();
}

// spawn(cli.ATOMIC_TOOL_BIN, { stdio: 'inherit' });