nt-arcane/lib/nt-arcane-project.js

App creator for arcane framework.

var commandLineArgs = require('command-line-args');
var inquirer = require('inquirer');
var path = require('path');
var unzip = require('unzip2');
var fs = require('fs');
var npm = require('npm');

var cli = commandLineArgs([
	{name: 'create', alias: 'c', type: String},
	{name: 'src', type: String, defaultOption: true}
]);

var options = cli.parse();

var directory_exists = function(path) {
	try {
		stats = fs.lstatSync(path);
		if (stats.isDirectory()) {
			return true;
		}
	} catch (e) {
		return false;
	}
};

var create_directory = function(path) {
	if(!directory_exists(path)) {
		fs.mkdirSync(path);
	}
};

var project_location = process.cwd();
if(options.src) {
	project_location = path.resolve(options.src.replace(/\/$/g, ''));
}

var default_name = options.src.split('/').slice(-1)[0];

if(options.create) {
	create_project(options);
} else {
	inquirer.prompt([
	{
		type: 'list',
		name: 'create',
		message: 'Select Project type',
		choices: [
			'Angular',
			'API',
			'Basic Web',
			// new inquirer.Separator(),
			// 'Custom'
		]
	}
	], create_project);
 }

function create_project(answers) {
	var target_app = null;
	switch(answers.create.toLowerCase()) {
		case 'angular':
			target_app = __dirname + '/../files/applications/angular.web.app';
			break;
		case 'api':
			target_app = __dirname + '/../files/applications/api.web.app';
			break;
		case 'basic web':
			target_app = __dirname + '/../files/applications/basic.web.app';
			break;
		case 'custom':

			break;
		default:
			console.log('Invalid project type.');
	}
	if(target_app) {
		create_project_information(project_location, function(package) {
			create_directory(project_location);
			var unzipExtractor = unzip.Extract({ path: project_location });
			var fscrs = fs.createReadStream(target_app);
			fscrs.pipe(unzipExtractor);
			unzipExtractor.on('close', update_package(package));
		});
	}
}

function create_project_information(path, cb) {
	inquirer.prompt([
		{
			type: 'input',
			name: 'name',
			message: 'Project Name',
			default: default_name
		},
		{
			type: 'input',
			name: 'description',
			message: 'Description'
		},
		{
			type: 'input',
			name: 'version',
			message: 'Version',
			default: '1.0.0'
		},
		{
			type: 'input',
			name: 'author',
			message: 'Author'
		},
	], cb);
}

function update_package(package) {
	return function() {
		var json_path = project_location + '/package.json';
		var json = require(json_path);
		for(var i in json) {
			if(!package[i]) {
				package[i] = json[i];
			}
		}
		fs.writeFileSync(json_path, JSON.stringify(package, null, 4));
		process.chdir(project_location);
		npm.load(package, function(er) {
			if (er) throw er;
			npm.commands.install(function (er, data) {
				// console.log(data);
			});
			npm.on('log', function(message) {
				console.log(message);
			});
		});
	}
}